Attachment 588594 Details for Bug 821594 – backtrace of soft lockup

backtrace of soft lockup

softlock.log (text/plain), 4.62 KB, created by Alex Williamson on 2012-06-01 23:02:07 UTC

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Creator: Alex Williamson

Created: 2012-06-01 23:02:07 UTC

Size: 4.62 KB

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>BUG: soft lockup - CPU#0 stuck for 67s! [halt:6185]
>Modules linked in: autofs4 sunrpc ipt_REJECT ip6t_REJECT ipv6 uinput ppdev parport_pc parport microcode sg virtio_net i2c_piix4 i2c_core ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi ata_generic ata_piix virtio_pci virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod [last unloaded: nf_conntrack]
>CPU 0 
>Modules linked in: autofs4 sunrpc ipt_REJECT ip6t_REJECT ipv6 uinput ppdev parport_pc parport microcode sg virtio_net i2c_piix4 i2c_core ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi ata_generic ata_piix virtio_pci virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod [last unloaded: nf_conntrack]
>
>Pid: 6185, comm: halt Not tainted 2.6.32-276.el6.x86_64 #1 Red Hat KVM
>RIP: 0010:[<ffffffff812820f9>]  [<ffffffff812820f9>] ioread8+0x19/0x40
>RSP: 0018:ffff880002203d50  EFLAGS: 00000202
>RAX: 0000000000000000 RBX: ffff880002203d50 RCX: 0000000000000000
>RDX: 000000000001cc13 RSI: ffff880037197400 RDI: 000000000001cc13
>RBP: ffffffff8100bc13 R08: ffff88007cd14000 R09: ffff880002203ed0
>R10: 0000000000000020 R11: 0000000000000001 R12: ffff880002203cd0
>R13: 000000000000000b R14: ffff880037197400 R15: ffffffff81505b9b
>FS:  00007f47dca49700(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
>CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>CR2: 0000000000ec70a0 CR3: 00000000374c0000 CR4: 00000000000006f0
>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>Process halt (pid: 6185, threadinfo ffff88007cd14000, task ffff880037666040)
>Stack:
> ffff880002203d70 ffffffffa004b6dc ffff88006955fd40 0000000000000000
><d> ffff880002203dc0 ffffffff810db800 ffff880002203dc0 ffffffff8102e2a9
><d> ffff880002203da0 ffffffff81a83a80 ffffffff81a83aec 000000000000000b
>Call Trace:
> <IRQ> 
> [<ffffffffa004b6dc>] ? vp_interrupt+0x2c/0x60 [virtio_pci]
> [<ffffffff810db800>] ? handle_IRQ_event+0x60/0x170
> [<ffffffff8102e2a9>] ? ack_apic_level+0x79/0x1b0
> [<ffffffff810de0b8>] ? handle_fasteoi_irq+0x88/0xf0
> [<ffffffff8100df09>] ? handle_irq+0x49/0xa0
> [<ffffffff81505aac>] ? do_IRQ+0x6c/0xf0
> [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x11
> [<ffffffff81073e70>] ? __do_softirq+0x70/0x1e0
> [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30
> [<ffffffff8100de85>] ? do_softirq+0x65/0xa0
> [<ffffffff81073ca5>] ? irq_exit+0x85/0x90
> [<ffffffff81505ab5>] ? do_IRQ+0x75/0xf0
> [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x11
> <EOI> 
> [<ffffffff81500127>] ? _spin_unlock_irqrestore+0x17/0x20
> [<ffffffff81289b5a>] ? pci_bus_read_config_word+0x7a/0x90
> [<ffffffff8128d09f>] ? pci_find_capability+0x3f/0x90
> [<ffffffff812a580a>] ? pci_msix_shutdown+0x7a/0xe0
> [<ffffffff8129213c>] ? pci_device_shutdown+0x3c/0x50
> [<ffffffff8134b97b>] ? device_shutdown+0x4b/0x190
> [<ffffffff8108a316>] ? kernel_shutdown_prepare+0x36/0x40
> [<ffffffff8108a333>] ? kernel_power_off+0x13/0x50
> [<ffffffff8108a661>] ? sys_reboot+0x111/0x220
> [<ffffffff81191d8f>] ? __d_free+0x3f/0x60
> [<ffffffff81191e08>] ? d_free+0x58/0x60
> [<ffffffff8119a330>] ? mntput_no_expire+0x30/0x110
> [<ffffffff8117c9e1>] ? __fput+0x1a1/0x210
> [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
>Code: ff 00 00 c9 c3 0f 1f 44 00 00 66 8b 07 0f b7 c0 c9 c3 55 48 81 ff ff ff 03 00 48 89 e5 77 2b 48 81 ff 00 00 01 00 76 0a 89 fa ec <0f> b6 c0 c9 c3 66 90 48 c7 c6 91 ed 7b 81 e8 14 fb ff ff b8 ff 
>Call Trace:
> <IRQ>  [<ffffffffa004b6dc>] ? vp_interrupt+0x2c/0x60 [virtio_pci]
> [<ffffffff810db800>] ? handle_IRQ_event+0x60/0x170
> [<ffffffff8102e2a9>] ? ack_apic_level+0x79/0x1b0
> [<ffffffff810de0b8>] ? handle_fasteoi_irq+0x88/0xf0
> [<ffffffff8100df09>] ? handle_irq+0x49/0xa0
> [<ffffffff81505aac>] ? do_IRQ+0x6c/0xf0
> [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x11
> [<ffffffff81073e70>] ? __do_softirq+0x70/0x1e0
> [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30
> [<ffffffff8100de85>] ? do_softirq+0x65/0xa0
> [<ffffffff81073ca5>] ? irq_exit+0x85/0x90
> [<ffffffff81505ab5>] ? do_IRQ+0x75/0xf0
> [<ffffffff8100ba53>] ? ret_from_intr+0x0/0x11
> <EOI>  [<ffffffff81500127>] ? _spin_unlock_irqrestore+0x17/0x20
> [<ffffffff81289b5a>] ? pci_bus_read_config_word+0x7a/0x90
> [<ffffffff8128d09f>] ? pci_find_capability+0x3f/0x90
> [<ffffffff812a580a>] ? pci_msix_shutdown+0x7a/0xe0
> [<ffffffff8129213c>] ? pci_device_shutdown+0x3c/0x50
> [<ffffffff8134b97b>] ? device_shutdown+0x4b/0x190
> [<ffffffff8108a316>] ? kernel_shutdown_prepare+0x36/0x40
> [<ffffffff8108a333>] ? kernel_power_off+0x13/0x50
> [<ffffffff8108a661>] ? sys_reboot+0x111/0x220
> [<ffffffff81191d8f>] ? __d_free+0x3f/0x60
> [<ffffffff81191e08>] ? d_free+0x58/0x60
> [<ffffffff8119a330>] ? mntput_no_expire+0x30/0x110
> [<ffffffff8117c9e1>] ? __fput+0x1a1/0x210
> [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b

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Attachments on bug 821594: 584536 | 588268 | 588269 | 588594