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Date: Mon, 03 Mar 2008 13:38:04 +0100 From: Jiri Olsa <olsajiri@...il.com> To: Jiri Kosina <jkosina@...e.cz> CC: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, Nadia Derbey <Nadia.Derbey@...l.net>, peifferp@...il.com Subject: Re: [BUG] soft lockup detected with ipcs Jiri Kosina wrote: > On Mon, 3 Mar 2008, Jiri Olsa wrote: > >> ipcs.kernel.out.1 is the kernel log from the time strace ipcs was done. >> ipcs.kernel.out.2 is from the next run of ipcs that stuck, >> there's no overlay between those logs. >> When the kernel freeze I'm getting logs with the spinlock lockup.. and it's repeating. > > Thanks. Have you tried turning lockdep off, if that still triggers? > > Aparently the first BUG leaves the spin lock locked, and all subsequent > accessess to it lock the machine hard. We'll need to see what goes wrong > inside lockdep. > > Could you please run > > addr2line -e vmlinux c0133034 > > (passing the path to the vmlinux binary of the crashing kernel to the -e > parameter). > I've rebuilt the kernel meanwhile, so dont know how accurate this output is: /home/jirka/xxx/kernel/linux-2.6-stable/include/asm/atomic_32.h:97 Anyway, I'll run the test again with your patch, and then we can run the addrline again... I'll try to turn the lockdep off as well. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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