linux-mips
[Top] [All Lists]

Re: shm broken on MIPS in current -git

To: Vasiliy Kulikov <segoon@openwall.com>
Subject: Re: shm broken on MIPS in current -git
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Mon, 1 Aug 2011 15:22:48 +0200
Cc: linux-kernel@vger.kernel.org, Linux-MIPS <linux-mips@linux-mips.org>
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=bVWPyWDEQc0+YXs3W2kQC1ZDQ7KXRt86TaRkxirgMQ0=; b=A7Py5PWwP0ClOeHrO94GxZvcHsiTGbhRMwOdcfZEwMc+ds0ZN9ufDXX01Ne7lkIJXY Y2pbFIVUR5OB5pIhOOHJ4dBgNUBUxySgoaitsEtMcnEE4B4nfc32L3lYKu/XW4vvm2Wz /9qnEcJMaadeMVutfR1P12G+BkLybevyStMd0=
In-reply-to: <20110801131137.GA10508@albatros>
References: <CAOLZvyEQNS3dwQ+6bh2o6kADp7Gd3xOpah8y1_AhqJ2FWSP9VA@mail.gmail.com> <20110801131137.GA10508@albatros>
Sender: linux-mips-bounce@linux-mips.org
On Mon, Aug 1, 2011 at 3:11 PM, Vasiliy Kulikov <segoon@openwall.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

<Prev in Thread] Current Thread [Next in Thread>