[Bug 584675] Re: irq 11: nobody cared in KVM guest

[Dave Gilbert]

OK, with Maverick Alpha 2.6.35-8 guest and host (with corresponding
maverick host kvm/qemu as of yesterday), this has changed to:

[    7.327825] irq 11: nobody cared (try booting with the "irqpoll" option)
[    7.328220] Pid: 374, comm: modprobe Not tainted 2.6.35-8-server #13-Ubuntu
[    7.328222] Call Trace:
[    7.328223]  <IRQ>  [<ffffffff810c9f2b>] __report_bad_irq+0x2b/0xa0
[    7.328239]  [<ffffffff810ca12c>] note_interrupt+0x18c/0x1d0
[    7.328242]  [<ffffffff8102c369>] ? ack_apic_level+0x79/0x1b0
[    7.328245]  [<ffffffff810ca92d>] handle_fasteoi_irq+0xdd/0x110
[    7.328248]  [<ffffffff8100cb12>] handle_irq+0x22/0x30
[    7.328251]  [<ffffffff815a5e6c>] do_IRQ+0x6c/0xf0
[    7.328254]  [<ffffffff8159ea53>] ret_from_intr+0x0/0x11
[    7.328259]  [<ffffffff810664eb>] ? __do_softirq+0x6b/0x1f0
[    7.328265]  [<ffffffff8108d65a>] ? tick_program_event+0x2a/0x30
[    7.328268]  [<ffffffff8100afdc>] ? call_softirq+0x1c/0x30
[    7.328270]  [<ffffffff8100cab5>] ? do_softirq+0x65/0xa0
[    7.328272]  [<ffffffff810663f5>] ? irq_exit+0x85/0x90
[    7.328274]  [<ffffffff815a5f60>] ? smp_apic_timer_interrupt+0x70/0x9b
[    7.328276]  [<ffffffff8100aa93>] ? apic_timer_interrupt+0x13/0x20
[    7.328277]  <EOI>  [<ffffffff8159e4f9>] ? _raw_spin_unlock_irqrestore+0x19/0x30
[    7.328282]  [<ffffffff810c9093>] ? __setup_irq+0x1b3/0x340
[    7.328291]  [<ffffffff81330a00>] ? vp_interrupt+0x0/0x60
[    7.328293]  [<ffffffff810c9b6c>] ? request_threaded_irq+0x10c/0x1e0
[    7.328296]  [<ffffffff81331176>] ? vp_try_to_find_vqs+0x66/0x270
[    7.328298]  [<ffffffff81331423>] ? vp_find_vqs+0xa3/0xb0
[    7.328306]  [<ffffffff811bd9cf>] ? __sysfs_add_one+0x2f/0xf0
[    7.328311]  [<ffffffffa005b814>] ? virtballoon_probe+0xf4/0x234 [virtio_balloon]
[    7.328314]  [<ffffffff811be33f>] ? sysfs_do_create_link+0xdf/0x180
[    7.328316]  [<ffffffffa005b6f0>] ? balloon_ack+0x0/0x30 [virtio_balloon]
[    7.328319]  [<ffffffffa005b6f0>] ? balloon_ack+0x0/0x30 [virtio_balloon]
[    7.328321]  [<ffffffffa005b6b0>] ? stats_request+0x0/0x40 [virtio_balloon]
[    7.328324]  [<ffffffff81330b33>] ? vp_set_status+0x23/0x30
[    7.328326]  [<ffffffff8132f709>] ? add_status+0x39/0x50
[    7.328328]  [<ffffffff8132fa10>] ? virtio_dev_probe+0xd0/0x110
[    7.328334]  [<ffffffff8138a3e8>] ? really_probe+0x68/0x190
[    7.328338]  [<ffffffff8138a555>] ? driver_probe_device+0x45/0x70
[    7.328341]  [<ffffffff8138a61b>] ? __driver_attach+0x9b/0xa0
[    7.328343]  [<ffffffff8138a580>] ? __driver_attach+0x0/0xa0
[    7.328345]  [<ffffffff81389828>] ? bus_for_each_dev+0x68/0x90
[    7.328347]  [<ffffffff8138a25e>] ? driver_attach+0x1e/0x20
[    7.328349]  [<ffffffff81389b1e>] ? bus_add_driver+0xde/0x280
[    7.328352]  [<ffffffff8138a960>] ? driver_register+0x80/0x150
[    7.328354]  [<ffffffffa005f000>] ? init+0x0/0x12 [virtio_balloon]
[    7.328356]  [<ffffffff8132fb6d>] ? register_virtio_driver+0x1d/0x30
[    7.328359]  [<ffffffffa005f010>] ? init+0x10/0x12 [virtio_balloon]
[    7.328362]  [<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1a0
[    7.328366]  [<ffffffff8109a2bb>] ? sys_init_module+0xbb/0x200
[    7.328369]  [<ffffffff8100a0f2>] ? system_call_fastpath+0x16/0x1b
[    7.328371] handlers:
[    7.328647] [<ffffffff81330a00>] (vp_interrupt+0x0/0x60)
[    7.329773] Disabling IRQ #11

-- 
irq 11: nobody cared in KVM guest
https://bugs.launchpad.net/bugs/584675
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