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SubjectRe: Issues with "x86, um: switch to generic fork/vfork/clone" commit
On Mon, Jan 14, 2013 at 10:42:10AM +0100, Nicolas Dichtel wrote:
> Hi,
>
> I'm running a virtual host (kvm/qemu x86 32 bits 16 CPUs, debian
> wheezy) over a x86 64bits target.
> The virtual host has problem during the boot with recent kernels
> (sometimes, daemons crash, but not always, and not always the same
> daemon). Here is an example:
> [ 2.150274] input: ImExPS/2 Generic Explorer Mouse as
> /devices/platform/i8042/serio1/input/input3
> udevd[468]: timeout: killing 'firmware.agent' [587]
>
> udevd[468]: 'firmware.agent' [587] terminated by signal 9 (Killed)
>
> done.
>
> [snip]
>
> [ 64.313636] kbd[2563]: segfault at 9fe ip 000009fe sp b758293c
> error 4 in dash[8048000+18000]
>
> After bisecting, the following commit seems responsible:
> 1d4b4b2994b5fc208963c0b795291f8c1f18becf (x86, um: switch to generic
> fork/vfork/clone)

Er... Bisect of the guest kernel, I take it? Could you check if building
the guest !SMP affects anything?


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