Re: Bad page state on AMD Opteron Dual System with kernel 2.6.13-rc6-git13

[Tim Weippert <weiti@security.tds.de>]

On Sun, Aug 28, 2005 at 01:20:51AM +0100, Daniel Drake wrote:
> Hi,
> 
> Tim Weippert wrote:
> >i have read some postings concerning the following Kernel Messages:
> >
> >Aug 26 18:04:01 montdsnsu3 kernel: grep[11619] general protection
> >rip:2aaaaaaaed43 rsp:7fffff9c0740 error:0
> >Aug 26 18:08:02 montdsnsu3 kernel: ping[14867] general protection
> >rip:2aaaaaaaed43 rsp:7fffffdbf300 error:0
> >Aug 26 18:08:03 montdsnsu3 kernel: grep[14987] general protection
> >rip:2aaaaaaaed43 rsp:7fffffdbfce0 error:0
> >Aug 26 18:08:03 montdsnsu3 kernel: grep[15041] general protection
> >rip:2aaaaaaaed43 rsp:7fffff9bf550 error:0
> >
> >And the Bad Page State Messages:
> >
> >Bad page state at prep_new_page (in process 'sh', page ffff8100011a69c8)
> >flags:0x0100000000000014 mapping:0000000000000000 mapcount:-3 count:0
> >Backtrace:
> >
> >Call Trace:<ffffffff8015a653>{bad_page+99}
> ><ffffffff8015aa31>{prep_new_page+65}
> >       <ffffffff8015b1e2>{buffered_rmqueue+306}
> ><ffffffff8015b425>{__alloc_pages+261}
> >       <ffffffff8015b7c5>{get_zeroed_page+37}
> ><ffffffff801691b7>{__pmd_alloc+55}
> >       <ffffffff8016614e>{copy_page_range+462}
> ><ffffffff80131da4>{copy_mm+820}
> >       <ffffffff80132cba>{copy_process+2282}
> ><ffffffff80133407>{do_fork+215}
> >       <ffffffff8010db7a>{system_call+126}
> ><ffffffff8010deeb>{ptregscall_common+103}
> >       
> >Trying to fix it up, but a reboot is needed
> 
> Seems to be an identical problem as was filed here:
> 
> 	http://bugs.gentoo.org/show_bug.cgi?id=103497
> 
> This bug report seems to suggest that the ondemand scaling governor may be 
> at fault. Does your setup use this too?
> 
> (CC'ing some extra people to make sure problem is known)
> 

As this is an Server, i don't even use cpufreq on this machine. So it
think this isn't the same problem ...

Kind regards, 

    weiti

p.s: Please CC me, cause i am not subscribed on lkml.

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Tim Weippert <weiti@topf-sicret.org>
http://www.topf-sicret.org/
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