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Date: Mon, 1 Aug 2011 15:22:48 +0200
From: Manuel Lauss <manuel.lauss@...glemail.com>
To: Vasiliy Kulikov <segoon@...nwall.com>
Cc: linux-kernel@...r.kernel.org,
Linux-MIPS <linux-mips@...ux-mips.org>
Subject: Re: shm broken on MIPS in current -git
On Mon, Aug 1, 2011 at 3:11 PM, Vasiliy Kulikov <segoon@...nwall.com> wrote:
> On Mon, Aug 01, 2011 at 14:51 +0200, Manuel Lauss wrote:
>> Commits 5774ed014f02120db9a6945a1ecebeb97c2acccb
>> (shm: handle separate PID namespaces case)
>> and 4c677e2eefdba9c5bfc4474e2e91b26ae8458a1d
>> (shm: optimize locking and ipc_namespace getting)
>> break on my MIPS systems.
>
> Can you please identify what commit breaks the system?
Reverting this one fixes the oops for good:
5774ed014f02120db9a6945a1ecebeb97c2acccb
(shm: handle separate PID namespaces case)
>> The following oops is
>> printed on boot, and as a result, more than 300 zombie kworker
>> kernel processes are resident. I don't see this oops on x86 or x64.
>
> Do you have the same configs for x86 and mips?
MIPS is UP, SLAB without preempt, x86 is UP/SMP, SLUB with preempt.
It's not SLAB/SLUB and not preempt, and both MIPS+x86 have all
namespace options enabled.
both configs are temporarily available here:
http://mlau.at/config-mips
http://mlau.at/config-x64
Thanks!
Manuel Lauss
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