Re: Kernel 2.6.11-rc1/2 goes Postal on LTP

["Randy.Dunlap" <rddunlap@osdl.org>]

Bryce Harrington wrote:
> On Fri, 21 Jan 2005, Chris Wright wrote:
> 
>>* Bryce Harrington (bryce@osdl.org) wrote:
>>
>>>Well, I'm not having much luck.  strace isn't installed on the system
>>>(and is giving errors when trying to compile it).  Also, the ssh session
>>>(and sshd) quits whenever I try running the following growfiles command
>>>manually, so I'm having trouble replicating the kernel panic manually.
>>
>>Sounds very much like oom killer gone nuts.
>>
>>
>>># growfiles -W gf14 -b -e 1 -u -i 0 -L 20 -w -l -C 1 -T 10 glseek19 glseek19.2
>>>
>>>Anyway, if anyone wants to investigate this further, I can provide
>>>access to the machine (email me).  Otherwise, I'm probably just going to
>>>wait for -rc2 and see if the problem's still there.
>>
>>Wait no longer, it's here ;-)
> 
> 
> Hmm, still the kernel is going nutso.  LTP and everything else on the
> system is getting killed, including the test manager process.
> 
> Below's a bit more info scraped from the console.  This is from a run on
> RH 9.0.  It looks like LTP got through 722 of its 2270 tests before the
> kernel goes postal on it.  This time it got through all the growfile
> commands before it died (see bottom of this post), however it looks like
> the same growfile cmd I reported earlier is the one causing the problem.
> 
> When I run:
> 
> mkfifo gffifo18;
> strace growfiles -b -W gf13 -e 1 -u -i 0 -L 30 -I r -r 1-4096 gffifo18 &> /tmp/growfiles_strace_log.txt
> 
> The following happens:
> 
> * I get this strace log:  http://developer.osdl.org/bryce/growfiles_strace_log.txt
> * The ssh session dies and returns to login prompt
> * A bunch of stuff similar to below is spewed to console
> 
> Bryce
> 
> 
> Console
> =======
> ...snip...
> Memory: 905212k/917504k available (2211k kernel code, 11840k reserved,
> 871k data, 192k init, 0k highmem)
> ...snip...

Yes, about the same for me on P4-UP with 1 GB RAM (home PC :).
No X running, just console and some daemons.

-- 
~Randy