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From: Andi Kleen <ak@suse.de>
To: Neil Brown <neilb@suse.de>
Cc: Sean Reifschneider <jafo@tummy.com>, linux-kernel@vger.kernel.org
Subject: Re: PATCH - x86-64 signed-compare bug, was Re: select() setting ERESTARTNOHAND (514).
Date: Thu, 11 Jan 2007 02:37:05 +0100	[thread overview]
Message-ID: <200701110237.05753.ak@suse.de> (raw)
In-Reply-To: <17829.36029.240912.274302@notabene.brown>

On Thursday 11 January 2007 02:02, Neil Brown wrote:
> On Thursday January 11, ak@suse.de wrote:
> > > Just a 'me too' at this point. 
> > > The X server on my shiny new notebook (Core 2 Duo) occasionally dies
> > > with 'select' repeatedly returning ERESTARTNOHAND.  It is most
> > > annoying!
> > 
> > Normally it should be only visible in strace. Did you see it without
> > strace?
> 
> No, only in strace.

strace leaks internal errors. At some point that should be fixed,
but it's not really a serious problem.

There was one other report of internal errors leaking without strace,
but it was vague and I never got confirmation.

> Still, I think it would be safer to have the cast, in case the compiler
> decided to be clever.... or does the C standard ensure against that?

It does.

-Andi

  reply	other threads:[~2007-01-11  1:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-10 23:42 Sean Reifschneider
2007-01-11  0:27 ` David Miller
2007-01-11  1:04   ` Sean Reifschneider
2007-01-11  1:15     ` David Miller
2007-01-11  8:25       ` Sean Reifschneider
2007-01-11 22:22         ` bert hubert
2007-01-24  0:50           ` Sean Reifschneider
2007-01-11  0:37 ` PATCH - x86-64 signed-compare bug, was " Neil Brown
2007-01-11  0:40   ` Andi Kleen
2007-01-11  1:02     ` Neil Brown
2007-01-11  1:37       ` Andi Kleen [this message]
2007-01-11  4:09       ` Sean Reifschneider
2007-01-11 19:38       ` Denis Vlasenko
2007-01-11  0:43   ` David Miller

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