linux-kernel - Re: BUG: unable to handle kernel paging request at xxx

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Date:	Thu, 08 May 2008 23:32:48 +0200
From:	Thomas Meyer <thomas@...3r.de>
To:	Mike Travis <travis@....com>
Cc:	linux-kernel@...r.kernel.org, arges@...ux.vnet.ibm.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: BUG: unable to handle kernel paging request at xxx

Zitat von Mike Travis <travis@....com>:

> Thomas Meyer wrote:
> > Am Dienstag, den 06.05.2008, 11:33 -0700 schrieb Mike Travis:
> > 
> >> Would you also send your .config file as well
> >> as a summary of the system configuration (cpu type, etc.)?
> ...
> > $ opcontrol --version
> > opcontrol: oprofile 0.9.3 compiled on Oct  8 2007 10:36:39
> > 
> > $ yum list oprofile
> > Installed Packages
> > oprofile.i386                            0.9.3-6.fc8            installed  
> 
> > 
> 
> Hi Thomas,
> 
> I've not been able to reproduce this failure on my (very similar) AMD
> box.  I've compiled and installed the oprofile package but that didn't
> seem to do it. 
> 
> # opcontrol --version
> opcontrol: oprofile 0.9.3 compiled on May  8 2008 12:02:00
> 
> One thing to note is that I'm using the very latest linux-next source,
> would this be the same as what you are using?

My git tree is currently on tag next-20080508.

> 
> Also I've noticed is that your system is loading SELinux while mine
> is not, though I doubt that has any effect on the panic.
> 
> yours:
> [    0.753301] Security Framework initialized
> [    0.753301] SELinux:  Initializing.
> [    0.753301] SELinux:  Starting in permissive mode
> 
> mine:
> Mount failed for selinuxfs on /selinux:  No such device                      
>       
> 
> (Unfortunately I'm not familiar with that package or I'd pop it in
> to try it out.)
> 
> If you can come up with some more info (or try Andrew's "back out"
> patch to verify that the oprofile changes are the cause of the panic),
> would you let me know?

when i revert commit 608dfddd845da5ab6accef70154c8910529699f7 oprofile doesn't
produce an oops, i.e. works as expected.

> 
> Thanks,
> Mike
> 
> 



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