Pastebin

[ 6864.902185] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6864.903875]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6864.915402]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6864.920092]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6864.926349]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6864.933436]  [<c011f019>] printk+0x14/0x18
[ 6864.939685]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6864.942813]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6864.949064]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6864.954599]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6864.960854]  [<c012ebd9>] kthread+0x38/0x5f
[ 6864.965542]  [<c012eba1>] kthread+0x0/0x5f
[ 6864.970231]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6864.977321]  =======================
[ 6864.980469] ---[ end trace f6014aa1488aa957 ]---
[ 6864.983625] ------------[ cut here ]------------
[ 6864.990758] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6864.995442] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6865.048759] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6865.049960]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6865.060810]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6865.067062]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6865.071999]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6865.078261]  [<c01dec03>] kref_get+0x17/0x1c
[ 6865.084501]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6865.089190]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6865.093891]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6865.099414]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6865.105671]  [<c011f019>] printk+0x14/0x18
[ 6865.110374]  [<c0104e05>] show_trace+0xe/0x11
[ 6865.117449]  [<c011f019>] printk+0x14/0x18
[ 6865.122143]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6865.126838]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6865.133093]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6865.138616]  [<c011f019>] printk+0x14/0x18
[ 6865.144875]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6865.152035]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6865.156659]  [<c012ebd9>] kthread+0x38/0x5f
[ 6865.163743]  [<c012eba1>] kthread+0x0/0x5f
[ 6865.168432]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6865.173125]  =======================
[ 6865.177142] ---[ end trace f6014aa1488aa957 ]---
[ 6865.180301] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6865.186619] ------------[ cut here ]------------
[ 6865.197694] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6865.202393] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6865.254612] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6865.256851]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6865.266206]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6865.270898]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6865.277152]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6865.284510]  [<c011f019>] printk+0x14/0x18
[ 6865.289195]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6865.293884]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6865.298573]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6865.304836]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6865.309520]  [<c012ebd9>] kthread+0x38/0x5f
[ 6865.315772]  [<c012eba1>] kthread+0x0/0x5f
[ 6865.320465]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6865.323613]  =======================
[ 6865.326743] ---[ end trace f6014aa1488aa957 ]---
[ 6865.331435] ------------[ cut here ]------------
[ 6865.338590] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6865.343273] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6865.397971] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6865.398063]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6865.410473]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6865.417525]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6865.423776]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6865.429093]  [<c01dec03>] kref_get+0x17/0x1c
[ 6865.433787]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6865.438479]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6865.444849]  [<c011f019>] printk+0x14/0x18
[ 6865.449525]  [<c0104e05>] show_trace+0xe/0x11
[ 6865.455792]  [<c011f019>] printk+0x14/0x18
[ 6865.461386]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6865.467566]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6865.473825]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6865.479427]  [<c011f019>] printk+0x14/0x18
[ 6865.486517]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6865.491229]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6865.495905]  [<c012ebd9>] kthread+0x38/0x5f
[ 6865.502158]  [<c012eba1>] kthread+0x0/0x5f
[ 6865.506852]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6865.511545]  =======================
[ 6865.514147] ---[ end trace f6014aa1488aa957 ]---
[ 6865.518886] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6865.524134] ------------[ cut here ]------------
[ 6865.536098] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6865.543000] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6865.598753] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6865.598846]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6865.610318]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6865.615915]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6865.622165]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6865.629505]  [<c011f019>] printk+0x14/0x18
[ 6865.634004]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6865.638699]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6865.643388]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6865.650015]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6865.656320]  [<c012ebd9>] kthread+0x38/0x5f
[ 6865.661007]  [<c012eba1>] kthread+0x0/0x5f
[ 6865.665694]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6865.671392]  =======================
[ 6865.674537] ---[ end trace f6014aa1488aa957 ]---
[ 6865.680786] ------------[ cut here ]------------
[ 6865.685477] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6865.690162] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6865.746172] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6865.747651]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6865.757560]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6865.763817]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6865.770066]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6865.774765]  [<c01dec03>] kref_get+0x17/0x1c
[ 6865.781390]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6865.786584]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6865.791283]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6865.798587]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6865.804902]  [<c011f019>] printk+0x14/0x18
[ 6865.809588]  [<c0104e05>] show_trace+0xe/0x11
[ 6865.816844]  [<c011f019>] printk+0x14/0x18
[ 6865.821532]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6865.826912]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6865.834919]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6865.839674]  [<c011f019>] printk+0x14/0x18
[ 6865.845918]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6865.850614]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6865.856799]  [<c012ebd9>] kthread+0x38/0x5f
[ 6865.861495]  [<c012eba1>] kthread+0x0/0x5f
[ 6865.866201]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6865.870891]  =======================
[ 6865.874034] ---[ end trace f6014aa1488aa957 ]---
[ 6865.878757] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6865.885565] ------------[ cut here ]------------
[ 6865.894884] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6865.902004] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6865.961383] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6865.963067]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6865.973916]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6865.980173]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6865.984857]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6865.991109]  [<c011f019>] printk+0x14/0x18
[ 6865.996313]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6866.001006]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6866.005696]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6866.013755]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6866.018449]  [<c012ebd9>] kthread+0x38/0x5f
[ 6866.025758]  [<c012eba1>] kthread+0x0/0x5f
[ 6866.032011]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6866.036705]  =======================
[ 6866.040719] ---[ end trace f6014aa1488aa957 ]---
[ 6866.044719] ------------[ cut here ]------------
[ 6866.049410] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6866.056533] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6866.114457] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6866.114549]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6866.127262]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6866.138878]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6866.143066]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6866.149824]  [<c01dec03>] kref_get+0x17/0x1c
[ 6866.154833]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6866.160426]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6866.167164]  [<c011f019>] printk+0x14/0x18
[ 6866.173346]  [<c0104e05>] show_trace+0xe/0x11
[ 6866.178042]  [<c011f019>] printk+0x14/0x18
[ 6866.182729]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6866.187423]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6866.192956]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6866.200127]  [<c011f019>] printk+0x14/0x18
[ 6866.206307]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6866.210997]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6866.215692]  [<c012ebd9>] kthread+0x38/0x5f
[ 6866.223470]  [<c012eba1>] kthread+0x0/0x5f
[ 6866.229006]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6866.233700]  =======================
[ 6866.236853] ---[ end trace f6014aa1488aa957 ]---
[ 6866.240036] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6866.244792] ------------[ cut here ]------------
[ 6866.255920] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6866.260633] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6866.318997] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6866.319000]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6866.332619]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6866.338666]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6866.342658]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6866.350666]  [<c011f019>] printk+0x14/0x18
[ 6866.357833]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6866.360186]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6866.365717]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6866.370418]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6866.378438]  [<c012ebd9>] kthread+0x38/0x5f
[ 6866.383970]  [<c012eba1>] kthread+0x0/0x5f
[ 6866.388534]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6866.393719]  =======================
[ 6866.398760] ---[ end trace f6014aa1488aa957 ]---
[ 6866.402780] ------------[ cut here ]------------
[ 6866.407469] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6866.412155] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6866.467382] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6866.472747]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6866.484276]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6866.490406]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6866.496127]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6866.502888]  [<c01dec03>] kref_get+0x17/0x1c
[ 6866.510035]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6866.517133]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6866.522527]  [<c0104e05>] show_trace+0xe/0x11
[ 6866.529674]  [<c011f019>] printk+0x14/0x18
[ 6866.536765]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6866.541433]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6866.547865]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6866.554126]  [<c011f019>] printk+0x14/0x18
[ 6866.560399]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6866.565098]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6866.570503]  [<c012ebd9>] kthread+0x38/0x5f
[ 6866.577598]  [<c012eba1>] kthread+0x0/0x5f
[ 6866.582288]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6866.586984]  =======================
[ 6866.590978] ---[ end trace f6014aa1488aa957 ]---
[ 6866.595707] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6866.600465] ------------[ cut here ]------------
[ 6866.611035] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6866.618151] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6866.674300] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6866.674392]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6866.685454]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6866.692543]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6866.699696]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6866.706790]  [<c011f019>] printk+0x14/0x18
[ 6866.711473]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6866.716384]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6866.722795]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6866.729900]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6866.733951]  [<c012ebd9>] kthread+0x38/0x5f
[ 6866.741046]  [<c012eba1>] kthread+0x0/0x5f
[ 6866.745735]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6866.750429]  =======================
[ 6866.754446] ---[ end trace f6014aa1488aa957 ]---
[ 6866.757575] ------------[ cut here ]------------
[ 6866.764006] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6866.772000] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6866.826424] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6866.827073]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6866.837862]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6866.845702]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6866.850450]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6866.857002]  [<c0150885>] mempool_alloc+0x1c/0xba
[ 6866.863185]  [<c026c3f4>] net_rx_action+0xb9/0x1cf
[ 6866.867753]  [<c01dec03>] kref_get+0x17/0x1c
[ 6866.874136]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6866.880234]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6866.885766]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6866.892238]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6866.896987]  [<c011f019>] printk+0x14/0x18
[ 6866.903391]  [<c0104e05>] show_trace+0xe/0x11
[ 6866.910489]  [<c011f019>] printk+0x14/0x18
[ 6866.915179]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6866.918312]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6866.923906]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6866.930164]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6866.937261]  [<c011f019>] printk+0x14/0x18
[ 6866.944357]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6866.949264]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6866.954633]  [<c012ebd9>] kthread+0x38/0x5f
[ 6866.960886]  [<c012eba1>] kthread+0x0/0x5f
[ 6866.967985]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6866.972678]  =======================
[ 6866.973386] ---[ end trace f6014aa1488aa957 ]---
[ 6866.976725] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6866.984714] ------------[ cut here ]------------
[ 6866.995819] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6867.000523] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6867.060341] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6867.060434]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6867.072839]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6867.077529]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6867.083999]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.091122]  [<c011f019>] printk+0x14/0x18
[ 6867.097348]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6867.104509]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6867.109196]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6867.114042]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6867.120292]  [<c012ebd9>] kthread+0x38/0x5f
[ 6867.125826]  [<c012eba1>] kthread+0x0/0x5f
[ 6867.131262]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6867.135954]  =======================
[ 6867.139966] ---[ end trace f6014aa1488aa957 ]---
[ 6867.144658] ------------[ cut here ]------------
[ 6867.149350] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6867.156444] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6867.211609] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6867.212264]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6867.224672]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6867.229362]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6867.234674]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6867.240935]  [<c0150885>] mempool_alloc+0x1c/0xba
[ 6867.246528]  [<c026c3f4>] net_rx_action+0xb9/0x1cf
[ 6867.252782]  [<c01dec03>] kref_get+0x17/0x1c
[ 6867.259535]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6867.264584]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6867.269784]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6867.277800]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.284037]  [<c011f019>] printk+0x14/0x18
[ 6867.288966]  [<c0104e05>] show_trace+0xe/0x11
[ 6867.293655]  [<c011f019>] printk+0x14/0x18
[ 6867.298345]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6867.303183]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6867.310338]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6867.317438]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.323613]  [<c011f019>] printk+0x14/0x18
[ 6867.330020]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6867.334719]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6867.339396]  [<c012ebd9>] kthread+0x38/0x5f
[ 6867.344966]  [<c012eba1>] kthread+0x0/0x5f
[ 6867.350290]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6867.355823]  =======================
[ 6867.358994] ---[ end trace f6014aa1488aa957 ]---
[ 6867.363840] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6867.368589] ------------[ cut here ]------------
[ 6867.379695] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6867.385723] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6867.444776] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6867.448747]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6867.459595]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6867.464966]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6867.471221]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.476825]  [<c011f019>] printk+0x14/0x18
[ 6867.481511]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6867.488589]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6867.495596]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6867.500289]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6867.505870]  [<c012ebd9>] kthread+0x38/0x5f
[ 6867.512124]  [<c012eba1>] kthread+0x0/0x5f
[ 6867.516823]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6867.521448]  =======================
[ 6867.526159] ---[ end trace f6014aa1488aa957 ]---
[ 6867.530155] ------------[ cut here ]------------
[ 6867.537290] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6867.541982] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6867.600646] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6867.601317]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6867.612263]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6867.618417]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6867.623371]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6867.631380]  [<c0150885>] mempool_alloc+0x1c/0xba
[ 6867.637691]  [<c026c3f4>] net_rx_action+0xb9/0x1cf
[ 6867.645470]  [<c01dec03>] kref_get+0x17/0x1c
[ 6867.649470]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6867.653492]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6867.660673]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6867.666541]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.671120]  [<c011f019>] printk+0x14/0x18
[ 6867.676456]  [<c0104e05>] show_trace+0xe/0x11
[ 6867.683988]  [<c011f019>] printk+0x14/0x18
[ 6867.689747]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6867.693836]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6867.700093]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6867.712089]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.718339]  [<c011f019>] printk+0x14/0x18
[ 6867.722345]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6867.727094]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6867.731790]  [<c012ebd9>] kthread+0x38/0x5f
[ 6867.740951]  [<c012eba1>] kthread+0x0/0x5f
[ 6867.748023]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6867.752566]  =======================
[ 6867.756583] ---[ end trace f6014aa1488aa957 ]---
[ 6867.759723] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6867.764462] ------------[ cut here ]------------
[ 6867.775582] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6867.783202] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6867.841185] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6867.841860]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6867.853337]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6867.859972]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6867.867974]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6867.874224]  [<c011f019>] printk+0x14/0x18
[ 6867.878917]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6867.886072]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6867.890763]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6867.898041]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6867.904294]  [<c012ebd9>] kthread+0x38/0x5f
[ 6867.908980]  [<c012eba1>] kthread+0x0/0x5f
[ 6867.916046]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6867.920752]  =======================
[ 6867.924740] ---[ end trace f6014aa1488aa957 ]---
[ 6867.929454] ------------[ cut here ]------------
[ 6867.936580] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6867.941271] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6867.998559] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6867.999111]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6868.010577]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6868.020816]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6868.023991]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6868.028829]  [<c01dec03>] kref_get+0x17/0x1c
[ 6868.035875]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6868.044110]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6868.048949]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6868.055190]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6868.061450]  [<c011f019>] printk+0x14/0x18
[ 6868.066136]  [<c0104e05>] show_trace+0xe/0x11
[ 6868.070831]  [<c011f019>] printk+0x14/0x18
[ 6868.075512]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6868.081156]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6868.087397]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6868.093718]  [<c011f019>] printk+0x14/0x18
[ 6868.098401]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6868.103095]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6868.110096]  [<c012ebd9>] kthread+0x38/0x5f
[ 6868.115296]  [<c012eba1>] kthread+0x0/0x5f
[ 6868.120523]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6868.125216]  =======================
[ 6868.128550] ---[ end trace f6014aa1488aa957 ]---
[ 6868.133286] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6868.140411] ------------[ cut here ]------------
[ 6868.149096] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6868.155012] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6868.214526] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6868.214526]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6868.224533]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6868.235632]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6868.240314]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6868.246500]  [<c011603c>] set_next_entity+0x11/0x38
[ 6868.251199]  [<c011f019>] printk+0x14/0x18
[ 6868.257454]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6868.262135]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6868.266827]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6868.272887]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6868.279230]  [<c012ebd9>] kthread+0x38/0x5f
[ 6868.283011]  [<c012eba1>] kthread+0x0/0x5f
[ 6868.288044]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6868.293393]  =======================
[ 6868.296563] ---[ end trace f6014aa1488aa957 ]---
[ 6868.301406] ------------[ cut here ]------------
[ 6868.306638] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6868.311322] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6868.368529] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6868.368529]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6868.379466]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6868.386564]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6868.394897]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6868.397524]  [<c0150885>] mempool_alloc+0x1c/0xba
[ 6868.405882]  [<c026c3f4>] net_rx_action+0xb9/0x1cf
[ 6868.410008]  [<c01dec03>] kref_get+0x17/0x1c
[ 6868.414721]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6868.422150]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6868.429185]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6868.435711]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6868.441959]  [<c011f019>] printk+0x14/0x18
[ 6868.443496]  [<c0104e05>] show_trace+0xe/0x11
[ 6868.450882]  [<c011f019>] printk+0x14/0x18
[ 6868.458044]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6868.462734]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6868.466729]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6868.472990]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6868.480988]  [<c011603c>] set_next_entity+0x11/0x38
[ 6868.486511]  [<c011f019>] printk+0x14/0x18
[ 6868.492978]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6868.497674]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6868.504824]  [<c012ebd9>] kthread+0x38/0x5f
[ 6868.510777]  [<c012eba1>] kthread+0x0/0x5f
[ 6868.516245]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6868.520939]  =======================
[ 6868.526796] ---[ end trace f6014aa1488aa957 ]---
[ 6868.529953] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6868.534681] ------------[ cut here ]------------
[ 6868.545554] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6868.550252] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6868.614749] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6868.614842]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6868.625081]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6868.629769]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6868.636026]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6868.643074]  [<c011f019>] printk+0x14/0x18
[ 6868.647767]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6868.652509]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6868.657198]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6868.661002]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6868.669347]  [<c012ebd9>] kthread+0x38/0x5f
[ 6868.674037]  [<c012eba1>] kthread+0x0/0x5f
[ 6868.678721]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6868.685880]  =======================
[ 6868.686592] ---[ end trace f6014aa1488aa957 ]---
[ 6868.693724] ------------[ cut here ]------------
[ 6868.698411] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6868.703095] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6868.761631] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6868.761723]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6868.774076]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6868.779672]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6868.788882]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6868.793579]  [<c01dec03>] kref_get+0x17/0x1c
[ 6868.798918]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6868.804046]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6868.809997]  [<c011f019>] printk+0x14/0x18
[ 6868.820731]  [<c0104e05>] show_trace+0xe/0x11
[ 6868.821769]  [<c011f019>] printk+0x14/0x18
[ 6868.828736]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6868.833429]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6868.839739]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6868.845942]  [<c011f019>] printk+0x14/0x18
[ 6868.853780]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6868.859941]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6868.866130]  [<c012ebd9>] kthread+0x38/0x5f
[ 6868.869974]  [<c012eba1>] kthread+0x0/0x5f
[ 6868.877976]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6868.880199]  =======================
[ 6868.886486] ---[ end trace f6014aa1488aa957 ]---
[ 6868.890534] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6868.895249] ------------[ cut here ]------------
[ 6868.904449] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6868.913250] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6868.971431] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6868.971525]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6868.983638]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6868.989898]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6868.996911]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6869.003324]  [<c011f019>] printk+0x14/0x18
[ 6869.008005]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6869.013744]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6869.020900]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6869.025752]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6869.030435]  [<c012ebd9>] kthread+0x38/0x5f
[ 6869.037602]  [<c012eba1>] kthread+0x0/0x5f
[ 6869.042448]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6869.047216]  =======================
[ 6869.051867] ---[ end trace f6014aa1488aa957 ]---
[ 6869.054948] ------------[ cut here ]------------
[ 6869.061204] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6869.068344] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6869.123887] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6869.123887]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6869.134793]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6869.141044]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6869.145733]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6869.152521]  [<c0150885>] mempool_alloc+0x1c/0xba
[ 6869.158779]  [<c026c3f4>] net_rx_action+0xb9/0x1cf
[ 6869.165937]  [<c01dec03>] kref_get+0x17/0x1c
[ 6869.170107]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6869.176303]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6869.182564]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6869.190367]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6869.195055]  [<c011f019>] printk+0x14/0x18
[ 6869.201082]  [<c0104e05>] show_trace+0xe/0x11
[ 6869.205771]  [<c011f019>] printk+0x14/0x18
[ 6869.212026]  [<c011e2f3>] print_oops_end_marker+0x1b/0x1f
[ 6869.215157]  [<c011e656>] warn_on_slowpath+0x45/0x64
[ 6869.221426]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6869.228429]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6869.235589]  [<c011f019>] printk+0x14/0x18
[ 6869.239363]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6869.245124]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6869.250560]  [<c012ebd9>] kthread+0x38/0x5f
[ 6869.256802]  [<c012eba1>] kthread+0x0/0x5f
[ 6869.261699]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6869.268287]  =======================
[ 6869.271428] ---[ end trace f6014aa1488aa957 ]---
[ 6869.275459] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6869.280208] ------------[ cut here ]------------
[ 6869.291083] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6869.295780] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6869.353701] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6869.353843]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6869.366253]  [<c010412c>] hypervisor_callback+0x3c/0x44
[ 6869.370943]  [<c023cbd1>] force_evtchn_callback+0xa/0xc
[ 6869.376308]  [<c011efcf>] vprintk+0x2e1/0x317
[ 6869.382567]  [<c011603c>] set_next_entity+0x11/0x38
[ 6869.389733]  [<c011f019>] printk+0x14/0x18
[ 6869.393000]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6869.399746]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6869.404588]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6869.411751]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6869.415618]  [<c012ebd9>] kthread+0x38/0x5f
[ 6869.422028]  [<c012eba1>] kthread+0x0/0x5f
[ 6869.429185]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6869.433124]  =======================
[ 6869.437151] ---[ end trace f6014aa1488aa957 ]---
[ 6869.441150] ------------[ cut here ]------------
[ 6869.448273] WARNING: at lib/kref.c:43 kref_get+0x17/0x1c()
[ 6869.453139] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6869.508916] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6869.512554]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6869.523208]  [<c026a3e0>] netif_receive_skb+0x2ee/0x39a
[ 6869.527855]  [<ee09311f>] tg3_poll+0x892/0x9bc [tg3]
[ 6869.534521]  [<c01e5b64>] swiotlb_unmap_single+0x0/0x13
[ 6869.540369]  [<c01dec03>] kref_get+0x17/0x1c
[ 6869.546682]  [<c01de1a7>] kobject_get+0xf/0x13
[ 6869.553837]  [<c02452ba>] dispatch_rw_block_io+0x497/0x55d
[ 6869.560384]  [<c011f019>] printk+0x14/0x18
[ 6869.566888]  [<c0245773>] blkif_schedule+0x39d/0x4b6
[ 6869.574672]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6869.579710]  [<c012ebd9>] kthread+0x38/0x5f
[ 6869.589826]  [<c012eba1>] kthread+0x0/0x5f
[ 6869.593772]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6869.598470]  =======================
[ 6869.601719] ---[ end trace f6014aa1488aa957 ]---
[ 6869.617496] kobject: '<NULL>' (ec754184): is not initialized, yet kobject_put() is being called.
[ 6869.617606] ------------[ cut here ]------------
[ 6869.625497] WARNING: at lib/kobject.c:583 kobject_put+0x29/0x3c()
[ 6869.631702] Modules linked in: xenblktap aoe xt_mark ebt_mark ebtable_filter ebtables nfs lockd nfs_acl sunrpc bridge netloop ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables pl2303 usbserial pcspkr rng_core button shpchp pci_hotplug evdev ext3 jbd mbcache raid1 md_mod sd_mod usbhid hid ff_memless ide_pci_generic piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd uhci_hcd usbcore tg3 thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
[ 6869.691492] Pid: 7680, comm: blkback.7.sda1 Tainted: G        W 2.6.26-2-xen-686 #1
[ 6869.691586]  [<c011e651>] warn_on_slowpath+0x40/0x64
[ 6869.704261]  [<c0114b84>] __wake_up_common+0x2e/0x58
[ 6869.708950]  [<c011684b>] __wake_up+0x29/0x39
[ 6869.715347]  [<c011e97b>] wake_up_klogd+0x2b/0x2d
[ 6869.722842]  [<c011efa9>] vprintk+0x2bb/0x317
[ 6869.727530]  [<c011603c>] set_next_entity+0x11/0x38
[ 6869.732225]  [<c011f019>] printk+0x14/0x18
[ 6869.738654]  [<c01de0b1>] kobject_put+0x29/0x3c
[ 6869.745300]  [<c0244e1a>] unplug_queue+0x20/0x29
[ 6869.749990]  [<c02457be>] blkif_schedule+0x3e8/0x4b6
[ 6869.754687]  [<c02453d6>] blkif_schedule+0x0/0x4b6
[ 6869.762356]  [<c012ebd9>] kthread+0x38/0x5f
[ 6869.767042]  [<c012eba1>] kthread+0x0/0x5f
[ 6869.771732]  [<c010425f>] kernel_thread_helper+0x7/0x10
[ 6869.778840]  =======================
[ 6869.779535] ---[ end trace f6014aa1488aa957 ]---
[ 6869.801927] eth0: port 2(vif7.0) entering disabled state
[ 6869.820406] eth0: port 2(vif7.0) entering disabled state