Re: [Xen-devel] unlock_cpu_hotplug() Kernel Bug

[Joshua West <jwest@xxxxxxxxxxxx>]

Keir,

I take it linux-2.6.18-xen.hg changeset 931 was applied to fix this 
bug?  I'll test it out this week.
On 08/28/2009 05:01 PM, Joshua West wrote:
> Hey all,
>
> I've just encountered the following on a rather busy virtual machine:
>
> BUG: warning at
> /usr/src/redhat/BUILD/xen-3.4.1/linux-2.6.18/kernel/cpu.c:53/unlock_cpu_hotplug()
>
> Call Trace:
>   [<ffffffff80247679>] unlock_cpu_hotplug+0x3c/0x6d
>   [<ffffffff802260aa>] sched_getaffinity+0x7e/0x95
>   [<ffffffff802260e7>] sys_sched_getaffinity+0x26/0x55
>   [<ffffffff80209302>] tracesys+0xab/0xb5
>
> This is on a Dell PowerEdge 1950 w/ Xen 3.4.1, Kernel 2.6.18.8
> (changeset 928 from linux-2.6.18-xen.hg), x86_64 Hypervisor and x86_64 dom0.
>
> Perhaps the patch outlined in http://lkml.org/lkml/2007/2/16/4 should be
> applied to the linux-2.6.18-xen.hg tree?
>
> Thanks.
>
>    

--
Joshua West
Senior Systems Engineer
Brandeis University
http://www.brandeis.edu


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