Re: the reboot will hang at guest os when output "irq 11: nobody cared (try booting with the "irqpoll" option)"

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Jan 15, 2014 at 02:48:35PM +0800, 李义 wrote:
> Hi ALL,
> 
>  i have meet kvm guest os issue at redhat7beta.
> 
> Host os:
> iredhat7 Beta
>  #virsh version
> Compiled against library: libvirt 1.1.1
> Using library: libvirt 1.1.1
> Using API: QEMU 1.1.1
> Running hypervisor: QEMU 1.5.3
> 
> guest os:
> 2.6.32.43 x86-64

Which OS is this, exactly?
Does this reproduce with a newer guest?

> Problem:
>    reboot at the guest os, the guest os will hang.(i have not find the
> reproduce method)
> 
> pls: the below is the crash info.
> 
> [    3.446282] Adding 2104504k swap on /dev/vda2.  Priority:-1
> extents:1 across:2104504k
> [   63.862133] md: stopping all md devices.
> [   64.960702] ACPI: Preparing to enter system sleep state S5
> [   64.961280] Disabling non-boot CPUs ...
> [   66.370651] irq 11: nobody cared (try booting with the "irqpoll" option)

What uses irq 11? Could you check with lspci before you try to shutdown?

> [   66.370656] Pid: 0, comm: swapper Not tainted
> 2.6.32.43_guest-1.0.8.kvmguest-default #1
> [   66.370658] Call Trace:
> [   66.370660]  <IRQ>  [<ffffffff8107b176>] __report_bad_irq+0x26/0xa0
> [   66.370687]  [<ffffffff8107b37c>] note_interrupt+0x18c/0x1d0
> [   66.370691]  [<ffffffff8107bd4d>] handle_fasteoi_irq+0x13d/0x1c0
> [   66.370701]  [<ffffffff8100ee5d>] handle_irq+0x1d/0x30
> [   66.370704]  [<ffffffff8100e557>] do_IRQ+0x67/0xe0
> [   66.370708]  [<ffffffff8100c813>] ret_from_intr+0x0/0x11
> [   66.370716]  [<ffffffff8104ace3>] ? __do_softirq+0x63/0x140
> [   66.370720]  [<ffffffff8100cfcc>] ? call_softirq+0x1c/0x30
> [   66.370723]  [<ffffffff8100ee05>] ? do_softirq+0x65/0xa0
> [   66.370725]  [<ffffffff8104abbd>] ? irq_exit+0x7d/0x90
> [   66.370728]  [<ffffffff8100e560>] ? do_IRQ+0x70/0xe0
> [   66.370731]  [<ffffffff8100c813>] ? ret_from_intr+0x0/0x11
> [   66.370732]  <EOI>  [<ffffffff81025586>] ? native_safe_halt+0x6/0x10
> [   66.370747]  [<ffffffff81061d65>] ? atomic_notifier_call_chain+0x15/0x20
> [   66.370753]  [<ffffffff81013f27>] ? default_idle+0x27/0x50
> [   66.370757]  [<ffffffff8100b036>] ? cpu_idle+0x66/0xc0
> [   66.370772]  [<ffffffff81597545>] ? rest_init+0x75/0x80
> [   66.370786]  [<ffffffff81840c42>] ? start_kernel+0x2ed/0x2f9
> [   66.370790]  [<ffffffff818402f4>] ? x86_64_start_reservations+0xfb/0xff
> [   66.370793]  [<ffffffff818403f2>] ? x86_64_start_kernel+0xfa/0x109
> [   66.370795] handlers:
> [   66.370796] [<ffffffff8133d7c0>] (vp_interrupt+0x0/0x60)
> [   66.370810] Disabling IRQ #11
> 
> 进程:
> PID: 1943   TASK: ffff88007da18580  CPU: 0   COMMAND: "halt"
>  #0 [ffff88007e8b1b98] schedule at ffffffff815b295d
>  #1 [ffff88007e8b1ca0] schedule_timeout at ffffffff815b358e
>  #2 [ffff88007e8b1d30] schedule_timeout_uninterruptible at ffffffff815b36c9
>  #3 [ffff88007e8b1d40] msleep at ffffffff81050f98
>  #4 [ffff88007e8b1d50] native_cpu_die at ffffffff8101d81c
>  #5 [ffff88007e8b1d80] _cpu_down at ffffffff8159840a
>  #6 [ffff88007e8b1de0] disable_nonboot_cpus at ffffffff810461f2
>  #7 [ffff88007e8b1e30] kernel_power_off at ffffffff81057321
>  #8 [ffff88007e8b1e40] sys_reboot at ffffffff810575dc
>  #9 [ffff88007e8b1f80] system_call_fastpath at ffffffff8100bf02
>     RIP: 00007f2d9c768c66  RSP: 00007fff4ad666f8  RFLAGS: 00010202
>     RAX: 00000000000000a9  RBX: ffffffff8100bf02  RCX: 0000000000000000
>     RDX: 000000004321fedc  RSI: 0000000028121969  RDI: fffffffffee1dead
>     RBP: 0000000000000003   R8: 0000000000000000   R9: ff00000000000000
>     R10: 00007fff4ad711e0  R11: 0000000000000202  R12: 0000000000000000
>     R13: 00007fff4ad71690  R14: 0000000000000003  R15: 0000000000000002
>     ORIG_RAX: 00000000000000a9  CS: 0033  SS: 002b
> 
> 
> 
> struct irq_desc {
>   irq = 11,
>   timer_rand_state = 0x0,
>   kstat_irqs = 0xffff88007f80d598,
>   handle_irq = 0xffffffff8107bc10 <handle_fasteoi_irq>,
>   chip = 0xffffffff81825e40,
>   msi_desc = 0x0,
>   handler_data = 0x0,
>   chip_data = 0xffffffff817bd4f0,
>   action = 0xffff88007efda340,
>   status = 8406528,
>   depth = 1,
>   wake_depth = 0,
>   irq_count = 0,
>   last_unhandled = 4294908888,
>   irqs_unhandled = 0,
>   lock = {
>     raw_lock = {
>       {
>         head_tail = 2532349678,
>         tickets = {
>           head = 38638,
>           tail = 38640
>         }
>       }
>     }
>   },
>   affinity = {{
>       bits = {3, 0}
>     }},
>   node = 0,
>   pending_mask = {{
>       bits = {0, 0}
>     }},
>   threads_active = {
>     counter = 0
>   },
>   wait_for_threads = {
>     lock = {
>       raw_lock = {
>         {
>           head_tail = 0,
>           tickets = {
>             head = 0,
>             tail = 0
>           }
>         }
>       }
>     },
>     task_list = {
>       next = 0xffffffff817b8ae0,
>       prev = 0xffffffff817b8ae0
>     }
>   },
>   dir = 0xffff88007f0045c0,
>   name = 0xffffffff8171cd20 "fasteoi"
> }
> 
> 
> 
> thanks
> yili