From: Al Viro <viro@ZenIV.linux.org.uk>
To: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Issues with "x86, um: switch to generic fork/vfork/clone" commit
Date: Sat, 19 Jan 2013 06:38:08 +0000 [thread overview]
Message-ID: <20130119063808.GN4939@ZenIV.linux.org.uk> (raw)
In-Reply-To: <50F3D2F2.3080200@6wind.com>
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?
next prev parent reply other threads:[~2013-01-19 6:38 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-14 9:42 Issues with "x86, um: switch to generic fork/vfork/clone" commit Nicolas Dichtel
2013-01-19 6:38 ` Al Viro [this message]
2013-01-20 3:12 ` Al Viro
2013-01-20 20:53 ` Linus Torvalds
2013-01-20 21:28 ` Al Viro
2013-01-21 1:22 ` Al Viro
2013-01-21 1:40 ` Linus Torvalds
2013-01-21 2:30 ` Al Viro
2013-01-21 2:39 ` Linus Torvalds
2013-01-21 6:02 ` Al Viro
2013-01-21 22:55 ` [RFC] making HAVE_SYSCALL_WRAPPERS universal (Re: Issues with "x86, um: switch to generic fork/vfork/clone" commit) Al Viro
2013-01-22 12:47 ` James Hogan
2013-01-22 14:23 ` Al Viro
2013-01-22 13:16 ` Arnd Bergmann
2013-01-22 15:33 ` Arnd Bergmann
2013-01-21 9:00 ` Issues with "x86, um: switch to generic fork/vfork/clone" commit Nicolas Dichtel
-- strict thread matches above, loose matches on Subject: below --
2012-11-10 4:36 Michel Lespinasse
2012-11-10 4:51 ` Al Viro
2012-11-10 4:57 ` Michel Lespinasse
2012-11-10 5:33 ` Al Viro
2012-11-10 5:47 ` Michel Lespinasse
2012-11-10 7:33 ` Al Viro
2012-11-10 8:08 ` Michel Lespinasse
2012-11-10 18:59 ` Al Viro
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