Re: Bug#638172: [Xen-devel] Re: Bug#638172: BUG: soft lockup - CPU#0 stuck for 61s! [qemu-dm:3205]

[Ian Campbell <ijc@xxxxxxxxxxxxxx>]

On Fri, 2011-08-26 at 10:28 +0200, Giuseppe Sacco wrote:
> Hi,
> I just installed the new kernel and switched to 64bit hypervisor. I'll
> let you know about any news.
> 
> Il giorno ven, 26/08/2011 alle 08.25 +0100, Ian Campbell ha scritto:
> [...]
> > I'm in the process of uploading a kernel to
> > http://xenbits.xen.org/people/ianc/2.6.32-36~xen0/ which has a bunch of
> > patches to the event channel (aka IRQ) subsystem backported. I think the
> > kernel flavour you want is there already please could you give it a go
> > when you get the chance.
> 
> During boot I got this message. Is this related to this bug or to new
> kernel?

It's a benign (but annoying) warning. I'm angling to get it dropped:
http://marc.info/?l=xen-devel&m=131400621622691

> 
> [    0.004000] ------------[ cut here ]------------
> [    0.004000] WARNING: at 
> /tmp/buildd/linux-2.6-2.6.32/debian/build/source_i386_xen/arch/x86/xen/enlighten.c:726
>  perf_events_lapic_init+0x28/0x29()
> [    0.004000] Hardware name: MS-7368
> [    0.004000] Modules linked in:
> [    0.004000] Pid: 0, comm: swapper Not tainted 2.6.32-5-xen-686 #1
> [    0.004000] Call Trace:
> [    0.004000]  [<c1037839>] ? warn_slowpath_common+0x5e/0x8a
> [    0.004000]  [<c103786f>] ? warn_slowpath_null+0xa/0xc
> [    0.004000]  [<c1011db0>] ? perf_events_lapic_init+0x28/0x29
> [    0.004000]  [<c14033dd>] ? init_hw_perf_events+0x2dd/0x376
> [    0.004000]  [<c1403030>] ? check_bugs+0x8/0xd8
> [    0.004000]  [<c13fb808>] ? start_kernel+0x309/0x31d
> [    0.004000]  [<c13fd410>] ? xen_start_kernel+0x564/0x56b
> [    0.004000]  [<c1409045>] ? check_nmi_watchdog+0xcd/0x1f2
> [    0.004000] ---[ end trace a7919e7f17c0a725 ]---
> 
> Thanks,
> Giuseppe
> 
> 

-- 
Ian Campbell

May your Tongue stick to the Roof of your Mouth with the Force of a
Thousand Caramels.


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