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Red Hat Bugzilla – Attachment 854355 Details for
Bug 983344
QEMU core dump and host will reboot when do hot-unplug a virtio-blk disk which use the switch behind switch
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tail of dmesg from crashed kernel-3.3.0-0.20.el7.x86_64
oops-r7 (text/plain), 4.13 KB, created by
Markus Armbruster
on 2014-01-23 12:25:40 UTC
(
hide
)
Description:
tail of dmesg from crashed kernel-3.3.0-0.20.el7.x86_64
Filename:
MIME Type:
Creator:
Markus Armbruster
Created:
2014-01-23 12:25:40 UTC
Size:
4.13 KB
patch
obsolete
>[ 50.170672] pciehp 0000:02:00.0:pcie24: Card not present on Slot(0) >[ 50.186351] ------------[ cut here ]------------ >[ 50.187018] kernel BUG at drivers/virtio/virtio.c:158! >[ 50.187018] invalid opcode: 0000 [#1] SMP >[ 50.187018] CPU 0 >[ 50.187018] Modules linked in: i2c_i801 pcspkr i2c_core iTCO_wdt iTCO_vendor_support virtio_net sr_mod cdrom ahci libahci libata virtio_blk dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] >[ 50.187018] >[ 50.187018] Pid: 18, comm: kworker/0:1 Not tainted 3.3.0-0.20.el7.x86_64 #1 Red Hat KVM >[ 50.187018] RIP: 0010:[<ffffffff813ccf77>] [<ffffffff813ccf77>] virtio_dev_remove+0x57/0x60 >[ 50.187018] RSP: 0018:ffff88023dfa9a90 EFLAGS: 00010286 >[ 50.187018] RAX: 00000000000000ff RBX: ffff88023dbcef68 RCX: 00000000000008e0 >[ 50.187018] RDX: 000000000000c012 RSI: ffff880243ee2f88 RDI: 000000000001c012 >[ 50.187018] RBP: ffff88023dfa9aa0 R08: 0000000000000000 R09: 0000000000000000 >[ 50.187018] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88023dbcef60 >[ 50.187018] R13: ffffffff819dade0 R14: ffff88023db83b10 R15: ffff88023d398360 >[ 50.187018] FS: 00007faadadf3840(0000) GS:ffff88024fc00000(0000) knlGS:0000000000000000 >[ 50.187018] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >[ 50.187018] CR2: 00007faadadfa000 CR3: 000000023cd67000 CR4: 00000000000006f0 >[ 50.187018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >[ 50.187018] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 >[ 50.187018] Process kworker/0:1 (pid: 18, threadinfo ffff88023dfa8000, task ffff880243ee2690) >[ 50.187018] Stack: >[ 50.187018] ffff88023dbcef68 ffffffffa00370e0 ffff88023dfa9ac0 ffffffff8141bd9c >[ 50.187018] ffff88023dbcefc8 ffff88023dbcef68 ffff88023dfa9ae0 ffffffff8141be2e >[ 50.187018] ffff8802441c0b28 ffff88023dbcef68 ffff88023dfa9b10 ffffffff8141b4e2 >[ 50.187018] Call Trace: >[ 50.187018] [<ffffffff8141bd9c>] __device_release_driver+0x7c/0xe0 >[ 50.187018] [<ffffffff8141be2e>] device_release_driver+0x2e/0x40 >[ 50.187018] [<ffffffff8141b4e2>] bus_remove_device+0x102/0x180 >[ 50.187018] [<ffffffff81418777>] device_del+0x137/0x1c0 >[ 50.187018] [<ffffffff81418822>] device_unregister+0x22/0x60 >[ 50.187018] [<ffffffff813cce32>] unregister_virtio_device+0x12/0x20 >[ 50.187018] [<ffffffff816452d8>] virtio_pci_remove+0x28/0x6a >[ 50.187018] [<ffffffff81354d5f>] pci_device_remove+0x3f/0x110 >[ 50.187018] [<ffffffff8141bd9c>] __device_release_driver+0x7c/0xe0 >[ 50.187018] [<ffffffff8141be2e>] device_release_driver+0x2e/0x40 >[ 50.187018] [<ffffffff8141b4e2>] bus_remove_device+0x102/0x180 >[ 50.187018] [<ffffffff81418777>] device_del+0x137/0x1c0 >[ 50.187018] [<ffffffff81418822>] device_unregister+0x22/0x60 >[ 50.187018] [<ffffffff8134e974>] pci_stop_bus_device+0x94/0xa0 >[ 50.187018] [<ffffffff8134eb06>] pci_remove_bus_device+0x16/0x30 >[ 50.187018] [<ffffffff813633f9>] pciehp_unconfigure_device+0x99/0x180 >[ 50.187018] [<ffffffff81362cd6>] pciehp_disable_slot+0x76/0x220 >[ 50.187018] [<ffffffff81362f66>] pciehp_power_thread+0xe6/0x110 >[ 50.187018] [<ffffffff81087204>] process_one_work+0x1e4/0x680 >[ 50.187018] [<ffffffff8108719c>] ? process_one_work+0x17c/0x680 >[ 50.187018] [<ffffffff81362e80>] ? pciehp_disable_slot+0x220/0x220 >[ 50.187018] [<ffffffff81087a16>] worker_thread+0x126/0x2d0 >[ 50.187018] [<ffffffff810878f0>] ? rescuer_thread+0x210/0x210 >[ 50.187018] [<ffffffff8108d997>] kthread+0xb7/0xc0 >[ 50.187018] [<ffffffff8166cef4>] kernel_thread_helper+0x4/0x10 >[ 50.187018] [<ffffffff81663234>] ? retint_restore_args+0x13/0x13 >[ 50.187018] [<ffffffff8108d8e0>] ? kthread_worker_fn+0x1a0/0x1a0 >[ 50.187018] [<ffffffff8166cef0>] ? gs_change+0x13/0x13 >[ 50.187018] Code: e7 ff 50 10 84 c0 75 23 48 8b 83 80 04 00 00 4c 89 e7 48 8b 58 18 ff 50 10 83 c8 01 4c 89 e7 0f b6 f0 ff d3 5b 41 5c 31 c0 5d c3 <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 66 66 66 66 90 48 8b 87 >[ 50.187018] RIP [<ffffffff813ccf77>] virtio_dev_remove+0x57/0x60 >[ 50.187018] RSP <ffff88023dfa9a90> >[ 50.249084] ---[ end trace 85a861b3d53bc077 ]--- >[ 50.250101] Kernel panic - not syncing: Fatal exception
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bug 983344
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