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Re: OOps - very obscure

To: Florian Lohoff <flo@rfc822.org>
Subject: Re: OOps - very obscure
From: Jun Sun <jsun@mvista.com>
Date: Thu, 25 Jan 2001 10:59:07 -0800
Cc: linux-mips@oss.sgi.com
References: <20010124163048.B15348@paradigm.rfc822.org> <20010124165919.C15348@paradigm.rfc822.org> <20010125134331.A11489@paradigm.rfc822.org>
Sender: owner-linux-mips@oss.sgi.com
Florian,

What is the kernel version?  Your symptom seems to remind me the corrupted s0
bug in several syscalls. The bug is fixed around test9 I believe.  Check for
"save_static_function(sys_sigsuspend);" statement in arch/mips/kernel/signal.c
file.  If you have it, then you don't have the bug.


Jun

Florian Lohoff wrote:
> 
> On Wed, Jan 24, 2001 at 04:59:19PM +0100, Florian Lohoff wrote:
> 
> > Decoded this is:
> 
> > >>RA;  00000000 Before first symbol
> > >>PC;  00000000 Before first symbol
> > Trace; 88028344 <sys_nanosleep+190/24c>
> > Trace; 8800fa88 <stack_done+1c/38>
> 
> I am trying to track this down a bit more:
> 
> with strace (very old version)
> 
> rt_sigaction(34, {SIG_DFL}, NULL, 16)   = 0
> rt_sigprocmask(SIG_BLOCK, [], NULL, 16) = 0
> sysmips(0x7d1, 0x2ac95d24, 0x1, 0)      = 4149
> sched_yield(0x7d1, 0x2ac95d24, 0x1, 0, 0x2acfad50) = 0
> sysmips(0x7d1, 0x2ac95d24, 0x1, 0)      = 4149
> sched_yield(0x7d1, 0x2ac95d24, 0x1, 0, 0x2acfad50) = 0
> sysmips(0x7d1, 0x2ac95d24, 0x1, 0)      = 4149
> sched_yield(0x7d1, 0x2ac95d24, 0x1, 0, 0x2acfad50) = 0
> sysmips(0x7d1, 0x2ac95d24, 0x1, 0)      = 4149
> sched_yield(0x7d1, 0x2ac95d24, 0x1, 0, 0x2acfad50) = 0
> sysmips(0x7d1, 0x2ac95d24, 0x1, 0)      = 4149
> [... repeated this 2 lines ...]
> 
> Every 1000 lines or something:
> 
> nanosleep({0, 2000001}, NULL)           = 0
> 
> But with strace it doesnt crash it seems at least not within 10 Minutes
> i let it run ...
> 
> Flo
> --
> Florian Lohoff                  flo@rfc822.org             +49-5201-669912
>      Why is it called "common sense" when nobody seems to have any?

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