Re: OOPS running "ls -l /sys/class/i2c-adapter/*"-- 2.6.12-rc1-mm2

From: Andrew Morton <akpm@osdl.org>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: miles.lane@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: OOPS running "ls -l /sys/class/i2c-adapter/*"-- 2.6.12-rc1-mm2
Date: Thu, 24 Mar 2005 23:45:44 -0800	[thread overview]
Message-ID: <20050324234544.135a1eb2.akpm@osdl.org> (raw)
In-Reply-To: <20050325073846.A18596@flint.arm.linux.org.uk>

Russell King <rmk+lkml@arm.linux.org.uk> wrote:
>
> On Thu, Mar 24, 2005 at 08:22:15PM -0800, Andrew Morton wrote:
> > Miles Lane <miles.lane@gmail.com> wrote:
> > >  Unable to handle kernel paging request at virtual address 24fc1024
> > >  c0198448
> > >  *pde = 00000000
> > >  Oops: 0000 [#1]
> > >  CPU:    0
> > >  EIP:    0060:[<c0198448>]    Not tainted VLI
> > 
> > I wonder why the EIP sometimes doesn't get decoded.
> > 
> > >  Using defaults from ksymoops -t elf32-i386 -a i386
> > >  EFLAGS: 00210206   (2.6.12-rc1-mm2)
> 
> ksymoops seems to remove lines from the kernel output that it doesn't
> like.

but.  but.  There used to be a symbol+0xN/0xM in the EIP: line.  Are you
saying that ksymoops rubbed that out and stuck a hex number in there?

>   I've seen this many times on ARM, and each time I see an oops
> from a 2.6 kernel which has been ksymoopsed, I always ask the submitter
> to send the original non-ksymoopsed version.
> 
> Users need to be re-educated _not_ to use ksymoops.

I wonder if there's something clever we could do to the kallsymsised oops
output so that ksymoops would simply cease to recognise it.