From: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Chong Yidong <cyd@stupidchicken.com>,
Ken Raeburn <raeburn@raeburn.org>,
emacs-devel@gnu.org
Subject: Re: allocate_string_data memory corruption
Date: Thu, 19 Jan 2006 15:57:01 -0500 [thread overview]
Message-ID: <jwvhd80ndiy.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <873bjkha3d.fsf@pacem.orebokech.com> (Romain Francoise's message of "Thu, 19 Jan 2006 09:53:58 +0100")
>> He has a certain Emacs Lisp setup that he can use to crash Emacs
>> reproducibly, when hyperthreading is turned on. Without
>> hyperthreading, he has gotten one or two strange bus errors, but these
>> seem to be difficult to reproduce, and we're not sure if they are
>> real.
> Hmm... bus errors are quite uncommon on i386, are you 100% sure that
> we're looking at a software problem here? It's possible that this
> user's machine has faulty RAM chips that cause random memory corruption,
> and that HyperThreading worsens the problem because it increases memory
> pressure.
> Can the problem be reproduced on several machines? If not, could the
> user run memtest86+ on that one machine?
> If this is a problem specific to HT, it strikes me as suspicious that we
> got only *one* report given the number of people who use the CVS version
> of Emacs.
> (For the record, my main work machine has HyperThreading and Emacs
> hasn't crashed there for many months now.)
I still believe in the race-condition-with-signal-handler, because I'm
absolutely sure there are bugs left in that area (which is why I came up
with the SYNC_INPUT patch in the first place).
Stefan
next prev parent reply other threads:[~2006-01-19 20:57 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-18 16:57 allocate_string_data memory corruption Chong Yidong
2006-01-18 20:48 ` Stefan Monnier
2006-01-20 0:45 ` Chong Yidong
2006-01-20 1:14 ` Richard M. Stallman
2006-01-20 3:48 ` Stefan Monnier
2006-01-23 20:21 ` Stefan Monnier
2006-01-24 17:23 ` Chong Yidong
2006-01-18 21:35 ` Ken Raeburn
2006-01-18 23:56 ` Chong Yidong
2006-01-19 8:53 ` Romain Francoise
2006-01-19 20:57 ` Stefan Monnier [this message]
2006-01-19 22:48 ` Kim F. Storm
2006-01-20 3:46 ` Stefan Monnier
2006-01-20 22:58 ` Richard M. Stallman
2006-01-25 3:26 ` Chong Yidong
2006-01-25 15:45 ` Richard M. Stallman
2006-01-20 1:14 ` Richard M. Stallman
2006-01-20 9:28 ` Ken Raeburn
2006-01-20 22:58 ` Richard M. Stallman
2006-01-18 22:06 ` Eli Zaretskii
2006-01-18 23:48 ` David Kastrup
2006-01-18 23:48 ` Chong Yidong
2006-01-19 1:15 ` Stefan Monnier
2006-01-19 3:21 ` Ken Raeburn
2006-01-19 4:36 ` Eli Zaretskii
2006-01-20 1:14 ` Richard M. Stallman
2006-01-20 3:56 ` Stefan Monnier
2006-01-20 14:49 ` Chong Yidong
2006-01-21 19:57 ` Richard M. Stallman
2006-01-22 17:37 ` Stefan Monnier
2006-01-20 22:58 ` Richard M. Stallman
2006-01-21 4:48 ` Stefan Monnier
2006-01-21 17:31 ` Chong Yidong
2006-01-22 3:57 ` Richard M. Stallman
2006-01-22 16:45 ` Stefan Monnier
2006-01-22 20:06 ` Andreas Schwab
2006-01-23 0:10 ` Richard M. Stallman
2006-01-23 0:35 ` Ken Raeburn
2006-01-23 1:58 ` Stefan Monnier
2006-01-23 2:06 ` Stefan Monnier
2006-01-24 16:46 ` Richard M. Stallman
2006-01-23 0:55 ` Stefan Monnier
2006-01-24 16:46 ` Richard M. Stallman
2006-01-24 17:57 ` Kim F. Storm
2006-01-24 18:33 ` Chong Yidong
2006-01-25 15:45 ` Richard M. Stallman
2006-01-26 1:41 ` Chong Yidong
2006-01-26 17:46 ` Richard M. Stallman
2006-01-26 18:40 ` Stefan Monnier
2006-01-26 19:45 ` Chong Yidong
2006-01-27 22:32 ` Richard M. Stallman
2006-01-27 23:33 ` Stefan Monnier
2006-01-29 14:53 ` Chong Yidong
2006-01-29 4:58 ` Chong Yidong
2006-01-30 0:57 ` Richard M. Stallman
2006-01-30 1:06 ` Chong Yidong
2006-01-27 22:32 ` Richard M. Stallman
2006-01-26 19:10 ` Chong Yidong
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