linux-kernel - Re: OOPS in sysctl.c

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Date:	Wed, 6 Feb 2008 00:24:20 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Holger Schurig <hs4233@...l.mn-solutions.de>
Cc:	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: OOPS in sysctl.c

On Tue, 5 Feb 2008 12:24:56 +0100 Holger Schurig <hs4233@...l.mn-solutions.de> wrote:

> > I have an embedded target (PXA255 based) where I have a nice
> > running kernel 2.6.15. Today I'm trying to get 2.6.24 running
> > on it.
> 

Backtrace:
[<c0038bbc>] (sysctl_head_next+0x0/0x64) from [<c00a4b80>] (proc_sys_readdir+0x360/0x394)
 r4:00000000
[<c00a4820>] (proc_sys_readdir+0x0/0x394) from [<c007c860>] (vfs_readdir+0x70/0x98)
[<c007c7f0>] (vfs_readdir+0x0/0x98) from [<c007cdf0>] (sys_getdents64+0x6c/0xc0)
[<c007cd84>] (sys_getdents64+0x0/0xc0) from [<c0023e60>] (ret_fast_syscall+0x0/0x2c)

> Whatever the problem is, sysfs works now flawlessly even after
> a suspend/resume with v2.6.24-7284-g9ef9dc6.

erp.  We'd really like to know what we did to fix it, and then get that
fix back into 2.6.24.x.  
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