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From: John David Anglin <dave@hiauly1.hia.nrc.ca>
To: Meelis Roos <mroos@linux.ee>
Cc: linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: 2.6.38-rc3 regression on parisc: segfaults
Date: Fri, 4 Feb 2011 10:07:03 -0500 [thread overview]
Message-ID: <20110204150703.GA9254@hiauly1.hia.nrc.ca> (raw)
In-Reply-To: <alpine.SOC.1.00.1102041150390.8218@math.ut.ee>
On Fri, 04 Feb 2011, Meelis Roos wrote:
> 2363 clone( <unfinished ...>
> 2349 <... futex resumed> ) = 1
> 2363 <... clone resumed> child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x460df4a8) = 2372
> 2349 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> 2372 rt_sigaction(SIGPIPE, {SIG_DFL, [], SA_RESTART}, <unfinished ...>
> 2349 write(1, "\33[56;1H\33[34h\33[?25h", 18 <unfinished ...>
>
> Something futex-related. Full log temprarilty available at
> http://www.cs.ut.ee/~mroos/aptitude-strace.txt
This is possibly the infamous COW bug.
> gdb does not seem to work well:
I think the segv is in the dynamic loader. Try gdb on dynamic loader
and aptitude as run argument. Also suggest adding /usr/lib/debug to
LD_LIBRARY_PATH.
Dave
--
J. David Anglin dave.anglin@nrc-cnrc.gc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)
next prev parent reply other threads:[~2011-02-04 15:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 22:00 Meelis Roos
2011-02-01 22:12 ` James Bottomley
2011-02-03 22:36 ` Meelis Roos
2011-02-01 22:16 ` Carlos O'Donell
2011-02-03 2:24 ` John David Anglin
2011-02-03 7:03 ` Meelis Roos
2011-02-04 10:11 ` Meelis Roos
2011-02-04 15:07 ` John David Anglin [this message]
2011-02-04 15:20 ` Carlos O'Donell
2011-02-04 16:17 ` John David Anglin
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