From: Michael Tokarev <mjt@tls.msk.ru>
To: Peter Lieven <pl@dlh.net>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: irq problems after live migration with 0.12.4
Date: Sun, 23 May 2010 14:38:47 +0400 [thread overview]
Message-ID: <4BF905B7.2040003@msgid.tls.msk.ru> (raw)
In-Reply-To: <E97A58A9-F19A-4251-8BBE-0EB215864690@dlh.net>
23.05.2010 13:55, Peter Lieven wrote:
> Hi,
>
> after live migrating ubuntu 9.10 server (2.6.31-14-server) and suse linux 10.1 (2.6.16.13-4-smp)
> it happens sometimes that the guest runs into irq problems. i mention these 2 guest oss
> since i have seen the error there. there are likely others around with the same problem.
>
> on the host i run 2.6.33.3 (kernel+mod) and qemu-kvm 0.12.4.
>
> i started a vm with:
> /usr/bin/qemu-kvm-0.12.4 -net tap,vlan=141,script=no,downscript=no,ifname=tap0 -net nic,vlan=141,model=e1000,macaddr=52:54:00:ff:00:72 -drive file=/dev/sdb,if=ide,boot=on,cache=none,aio=native -m 1024 -cpu qemu64,model_id='Intel(R) Xeon(R) CPU E5430 @ 2.66GHz' -monitor tcp:0:4001,server,nowait -vnc :1 -name 'migration-test-9-10' -boot order=dc,menu=on -k de -incoming tcp:172.21.55.22:5001 -pidfile /var/run/qemu/vm-155.pid -mem-path /hugepages -mem-prealloc -rtc base=utc,clock=host -usb -usbdevice tablet
>
> for testing i have a clean ubuntu 9.10 server 64-bit install and created a small script with fetches a dvd iso from a local server and checking md5sum in an endless loop.
>
> the download performance is approx. 50MB/s on that vm.
>
> to trigger the error i did several migrations of the vm throughout the last days. finally I ended up in the following oops in the guest:
>
> [64442.298521] irq 10: nobody cared (try booting with the "irqpoll" option)
> [64442.299175] Pid: 0, comm: swapper Not tainted 2.6.31-14-server #48-Ubuntu
> [64442.299179] Call Trace:
> [64442.299185]<IRQ> [<ffffffff810b4b96>] __report_bad_irq+0x26/0xa0
> [64442.299227] [<ffffffff810b4d9c>] note_interrupt+0x18c/0x1d0
> [64442.299232] [<ffffffff810b5415>] handle_fasteoi_irq+0xd5/0x100
> [64442.299244] [<ffffffff81014bdd>] handle_irq+0x1d/0x30
> [64442.299246] [<ffffffff810140b7>] do_IRQ+0x67/0xe0
> [64442.299249] [<ffffffff810129d3>] ret_from_intr+0x0/0x11
> [64442.299266] [<ffffffff810b3234>] ? handle_IRQ_event+0x24/0x160
> [64442.299269] [<ffffffff810b529f>] ? handle_edge_irq+0xcf/0x170
> [64442.299271] [<ffffffff81014bdd>] ? handle_irq+0x1d/0x30
> [64442.299273] [<ffffffff810140b7>] ? do_IRQ+0x67/0xe0
> [64442.299275] [<ffffffff810129d3>] ? ret_from_intr+0x0/0x11
> [64442.299290] [<ffffffff81526b14>] ? _spin_unlock_irqrestore+0x14/0x20
> [64442.299302] [<ffffffff8133257c>] ? scsi_dispatch_cmd+0x16c/0x2d0
> [64442.299307] [<ffffffff8133963a>] ? scsi_request_fn+0x3aa/0x500
> [64442.299322] [<ffffffff8125fafc>] ? __blk_run_queue+0x6c/0x150
> [64442.299324] [<ffffffff8125fcbb>] ? blk_run_queue+0x2b/0x50
> [64442.299327] [<ffffffff8133899f>] ? scsi_run_queue+0xcf/0x2a0
> [64442.299336] [<ffffffff81339a0d>] ? scsi_next_command+0x3d/0x60
> [64442.299338] [<ffffffff8133a21b>] ? scsi_end_request+0xab/0xb0
> [64442.299340] [<ffffffff8133a50e>] ? scsi_io_completion+0x9e/0x4d0
> [64442.299348] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
> [64442.299351] [<ffffffff8133224d>] ? scsi_finish_command+0xbd/0x130
> [64442.299353] [<ffffffff8133aa95>] ? scsi_softirq_done+0x145/0x170
> [64442.299356] [<ffffffff81264e6d>] ? blk_done_softirq+0x7d/0x90
> [64442.299368] [<ffffffff810651fd>] ? __do_softirq+0xbd/0x200
> [64442.299370] [<ffffffff810131ac>] ? call_softirq+0x1c/0x30
> [64442.299372] [<ffffffff81014b85>] ? do_softirq+0x55/0x90
> [64442.299374] [<ffffffff81064f65>] ? irq_exit+0x85/0x90
> [64442.299376] [<ffffffff810140c0>] ? do_IRQ+0x70/0xe0
> [64442.299379] [<ffffffff810129d3>] ? ret_from_intr+0x0/0x11
> [64442.299380]<EOI> [<ffffffff810356f6>] ? native_safe_halt+0x6/0x10
> [64442.299390] [<ffffffff8101a20c>] ? default_idle+0x4c/0xe0
> [64442.299395] [<ffffffff815298f5>] ? atomic_notifier_call_chain+0x15/0x20
> [64442.299398] [<ffffffff81010e02>] ? cpu_idle+0xb2/0x100
> [64442.299406] [<ffffffff815123c6>] ? rest_init+0x66/0x70
> [64442.299424] [<ffffffff81838047>] ? start_kernel+0x352/0x35b
> [64442.299427] [<ffffffff8183759a>] ? x86_64_start_reservations+0x125/0x129
> [64442.299429] [<ffffffff81837698>] ? x86_64_start_kernel+0xfa/0x109
> [64442.299433] handlers:
> [64442.299840] [<ffffffffa0000b80>] (e1000_intr+0x0/0x190 [e1000])
> [64442.300046] Disabling IRQ #10
See also LP bug #584131 (https://bugs.launchpad.net/bugs/584131)
and original Debian bug#580649 (http://bugs.debian.org/580649)
Not sure if they're related...
/mjt
WARNING: multiple messages have this Message-ID (diff)
From: Michael Tokarev <mjt@tls.msk.ru>
To: Peter Lieven <pl@dlh.net>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: [Qemu-devel] Re: irq problems after live migration with 0.12.4
Date: Sun, 23 May 2010 14:38:47 +0400 [thread overview]
Message-ID: <4BF905B7.2040003@msgid.tls.msk.ru> (raw)
In-Reply-To: <E97A58A9-F19A-4251-8BBE-0EB215864690@dlh.net>
23.05.2010 13:55, Peter Lieven wrote:
> Hi,
>
> after live migrating ubuntu 9.10 server (2.6.31-14-server) and suse linux 10.1 (2.6.16.13-4-smp)
> it happens sometimes that the guest runs into irq problems. i mention these 2 guest oss
> since i have seen the error there. there are likely others around with the same problem.
>
> on the host i run 2.6.33.3 (kernel+mod) and qemu-kvm 0.12.4.
>
> i started a vm with:
> /usr/bin/qemu-kvm-0.12.4 -net tap,vlan=141,script=no,downscript=no,ifname=tap0 -net nic,vlan=141,model=e1000,macaddr=52:54:00:ff:00:72 -drive file=/dev/sdb,if=ide,boot=on,cache=none,aio=native -m 1024 -cpu qemu64,model_id='Intel(R) Xeon(R) CPU E5430 @ 2.66GHz' -monitor tcp:0:4001,server,nowait -vnc :1 -name 'migration-test-9-10' -boot order=dc,menu=on -k de -incoming tcp:172.21.55.22:5001 -pidfile /var/run/qemu/vm-155.pid -mem-path /hugepages -mem-prealloc -rtc base=utc,clock=host -usb -usbdevice tablet
>
> for testing i have a clean ubuntu 9.10 server 64-bit install and created a small script with fetches a dvd iso from a local server and checking md5sum in an endless loop.
>
> the download performance is approx. 50MB/s on that vm.
>
> to trigger the error i did several migrations of the vm throughout the last days. finally I ended up in the following oops in the guest:
>
> [64442.298521] irq 10: nobody cared (try booting with the "irqpoll" option)
> [64442.299175] Pid: 0, comm: swapper Not tainted 2.6.31-14-server #48-Ubuntu
> [64442.299179] Call Trace:
> [64442.299185]<IRQ> [<ffffffff810b4b96>] __report_bad_irq+0x26/0xa0
> [64442.299227] [<ffffffff810b4d9c>] note_interrupt+0x18c/0x1d0
> [64442.299232] [<ffffffff810b5415>] handle_fasteoi_irq+0xd5/0x100
> [64442.299244] [<ffffffff81014bdd>] handle_irq+0x1d/0x30
> [64442.299246] [<ffffffff810140b7>] do_IRQ+0x67/0xe0
> [64442.299249] [<ffffffff810129d3>] ret_from_intr+0x0/0x11
> [64442.299266] [<ffffffff810b3234>] ? handle_IRQ_event+0x24/0x160
> [64442.299269] [<ffffffff810b529f>] ? handle_edge_irq+0xcf/0x170
> [64442.299271] [<ffffffff81014bdd>] ? handle_irq+0x1d/0x30
> [64442.299273] [<ffffffff810140b7>] ? do_IRQ+0x67/0xe0
> [64442.299275] [<ffffffff810129d3>] ? ret_from_intr+0x0/0x11
> [64442.299290] [<ffffffff81526b14>] ? _spin_unlock_irqrestore+0x14/0x20
> [64442.299302] [<ffffffff8133257c>] ? scsi_dispatch_cmd+0x16c/0x2d0
> [64442.299307] [<ffffffff8133963a>] ? scsi_request_fn+0x3aa/0x500
> [64442.299322] [<ffffffff8125fafc>] ? __blk_run_queue+0x6c/0x150
> [64442.299324] [<ffffffff8125fcbb>] ? blk_run_queue+0x2b/0x50
> [64442.299327] [<ffffffff8133899f>] ? scsi_run_queue+0xcf/0x2a0
> [64442.299336] [<ffffffff81339a0d>] ? scsi_next_command+0x3d/0x60
> [64442.299338] [<ffffffff8133a21b>] ? scsi_end_request+0xab/0xb0
> [64442.299340] [<ffffffff8133a50e>] ? scsi_io_completion+0x9e/0x4d0
> [64442.299348] [<ffffffff81036419>] ? default_spin_lock_flags+0x9/0x10
> [64442.299351] [<ffffffff8133224d>] ? scsi_finish_command+0xbd/0x130
> [64442.299353] [<ffffffff8133aa95>] ? scsi_softirq_done+0x145/0x170
> [64442.299356] [<ffffffff81264e6d>] ? blk_done_softirq+0x7d/0x90
> [64442.299368] [<ffffffff810651fd>] ? __do_softirq+0xbd/0x200
> [64442.299370] [<ffffffff810131ac>] ? call_softirq+0x1c/0x30
> [64442.299372] [<ffffffff81014b85>] ? do_softirq+0x55/0x90
> [64442.299374] [<ffffffff81064f65>] ? irq_exit+0x85/0x90
> [64442.299376] [<ffffffff810140c0>] ? do_IRQ+0x70/0xe0
> [64442.299379] [<ffffffff810129d3>] ? ret_from_intr+0x0/0x11
> [64442.299380]<EOI> [<ffffffff810356f6>] ? native_safe_halt+0x6/0x10
> [64442.299390] [<ffffffff8101a20c>] ? default_idle+0x4c/0xe0
> [64442.299395] [<ffffffff815298f5>] ? atomic_notifier_call_chain+0x15/0x20
> [64442.299398] [<ffffffff81010e02>] ? cpu_idle+0xb2/0x100
> [64442.299406] [<ffffffff815123c6>] ? rest_init+0x66/0x70
> [64442.299424] [<ffffffff81838047>] ? start_kernel+0x352/0x35b
> [64442.299427] [<ffffffff8183759a>] ? x86_64_start_reservations+0x125/0x129
> [64442.299429] [<ffffffff81837698>] ? x86_64_start_kernel+0xfa/0x109
> [64442.299433] handlers:
> [64442.299840] [<ffffffffa0000b80>] (e1000_intr+0x0/0x190 [e1000])
> [64442.300046] Disabling IRQ #10
See also LP bug #584131 (https://bugs.launchpad.net/bugs/584131)
and original Debian bug#580649 (http://bugs.debian.org/580649)
Not sure if they're related...
/mjt
next prev parent reply other threads:[~2010-05-23 10:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-23 9:55 irq problems after live migration with 0.12.4 Peter Lieven
2010-05-23 9:55 ` [Qemu-devel] " Peter Lieven
2010-05-23 10:38 ` Michael Tokarev [this message]
2010-05-23 10:38 ` [Qemu-devel] " Michael Tokarev
2010-05-23 10:44 ` Peter Lieven
2010-05-25 11:03 ` Peter Lieven
2010-05-25 19:27 ` Michael Tokarev
2010-05-26 11:47 ` Peter Lieven
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4BF905B7.2040003@msgid.tls.msk.ru \
--to=mjt@tls.msk.ru \
--cc=kvm@vger.kernel.org \
--cc=pl@dlh.net \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.