linux-kernel - Re: x86-tip: xine bustage bisection fingers commit 97286a2b64725aac2d584ddd1f94871f9991d5a1

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Date:	Mon, 2 Mar 2009 10:33:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Galbraith <efault@....de>
Cc:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jaswinder Singh Rajput <jaswinder@...nel.org>
Subject: Re: x86-tip: xine bustage bisection fingers commit
	97286a2b64725aac2d584ddd1f94871f9991d5a1


* Mike Galbraith <efault@....de> wrote:

> Greetings and Salutations,
> 
> $subject, box is Q6600 X86_64 running v2.6.29-rc6-2261-g0fdaeee
> 
> marge:/root # xine
> This is xine (X11 gui) - a free video player v0.99.6cvs.
> (c) 2000-2007 The xine Team.
> Floating point exception
> 
> [pid  6230] 06:59:50.524473 set_robust_list(0x40e239f0, 0x18 <unfinished ...>
> [pid  6230] 06:59:50.524553 <... set_robust_list resumed> ) = 0 <0.000027>
> [pid  6230] 06:59:50.524648 select(0, NULL, NULL, NULL, {0, 500000} <unfinished ...>
> [pid  6230] 06:59:50.763988 <... select resumed> ) = ? ERESTARTNOHAND (To be restarted) <0.239321>
> [pid  6230] 06:59:50.764012 --- SIGRT_1 (Unknown signal 33) @ 0 (0) ---
> [pid  6230] 06:59:50.764074 setuid(0)   = 0 <0.000014>
> [pid  6230] 06:59:50.764151 futex(0x7fff2745e7a0, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid  6230] 06:59:50.764213 <... futex resumed> ) = 0 <0.000051>
> [pid  6230] 06:59:50.764255 futex(0x40e23d2c, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
> [pid  6230] 06:59:50.764298 <... futex resumed> ) = 0 <0.000028>
> [pid  6230] 06:59:50.764346 rt_sigreturn(0x40e23d2c <unfinished ...>
> [pid  6230] 06:59:50.778497 <... rt_sigreturn resumed> ) = 0 <0.014136>
> [pid  6230] 06:59:50.778524 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> 
> [ 1303.345419] xine[6230] bad frame in rt_sigreturn frame:0000000040e22c28 ip:7f051ca28622 sp:40e23070 orax:ffffffffffffffff in libc-2.8.so[7f051c95c000+14f000]
> 
> 97286a2b64725aac2d584ddd1f94871f9991d5a1 is first bad commit
> commit 97286a2b64725aac2d584ddd1f94871f9991d5a1
> Author: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> Date:   Fri Feb 27 10:28:48 2009 -0800
> 
>     x86: signal: intrroduce get_sigframe() and replace get_sigstack()
>     
>     Impact: cleanup

ok, that's the same area Jaswinder Singh Rajput bisected a 
breakage back to. I've excluded these commits from tip:master 
for now and pushed out an updated tip:master tree.

Hiroshi-san, mind having a look at this problem?

	Ingo
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