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From: Mikael Pettersson <mikpe@it.uu.se>
To: s0348365@sms.ed.ac.uk, torvalds@osdl.org
Cc: 76306.1226@compuserve.com, akpm@osdl.org, bunk@stusta.de,
	greg@kroah.com, linux-kernel@vger.kernel.org,
	yanmin_zhang@linux.intel.com
Subject: Re: kernel + gcc 4.1 = several problems
Date: Wed, 3 Jan 2007 03:12:13 +0100 (MET)	[thread overview]
Message-ID: <200701030212.l032CDXe015365@harpo.it.uu.se> (raw)

On Tue, 2 Jan 2007 17:43:00 -0800 (PST), Linus Torvalds wrote:
> > The suggestions I've had so far which I have not yet tried:
> > 
> > -	Select a different x86 CPU in the config.
> > 		-	Unfortunately the C3-2 flags seem to simply tell GCC
> > 			to schedule for ppro (like i686) and enabled MMX and SSE
> > 		-	Probably useless
> 
> Actually, try this one. Try using something that doesn't like "cmov". 
> Maybe the C3-2 simply has some internal cmov bugginess. 

That's a good suggestion. Earlier C3s didn't have cmov so it's 
not entirely unlikely that cmov in C3-2 is broken in some cases.
Configuring for P5MMX or 486 should be good safe alternatives.

/Mikael

             reply	other threads:[~2007-01-03  2:21 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-03  2:12 Mikael Pettersson [this message]
2007-01-03  2:20 ` kernel + gcc 4.1 = several problems Alistair John Strachan
2007-01-05 15:53   ` Alistair John Strachan
2007-01-05 16:02     ` Linus Torvalds
2007-01-05 16:19       ` Alistair John Strachan
2007-01-05 16:49         ` Linus Torvalds
2007-01-07  0:36           ` Pavel Machek
2007-01-07  0:57             ` Alistair John Strachan
2007-01-03  5:55 ` Willy Tarreau
2007-01-03 10:29 ` Alan
2007-01-03 10:32   ` Grzegorz Kulewski
2007-01-03 11:51     ` Jeff Garzik
2007-01-03 12:44     ` Alan
2007-01-03 13:32       ` Arjan van de Ven
2007-01-03 13:58         ` Jakub Jelinek
2007-01-03 14:28         ` Alan
2007-01-03 16:06           ` Linus Torvalds
2007-01-03 16:03     ` Linus Torvalds
2007-01-03 17:01       ` l.genoni
2007-01-03 17:45         ` Tim Schmielau
2007-01-03 20:24           ` Linus Torvalds
2007-01-03 17:06       ` l.genoni
2007-01-03 17:53       ` Mariusz Kozlowski
2007-01-03 19:47       ` Denis Vlasenko
2007-01-03 20:38         ` Linus Torvalds
2007-01-03 21:48           ` Denis Vlasenko
2007-01-03 22:13             ` Linus Torvalds
2007-01-03 21:44       ` Thomas Sailer
2007-01-03 22:08         ` Linus Torvalds
2007-01-04  3:08       ` Zou, Nanhai
2007-01-04 15:34         ` Linus Torvalds
  -- strict thread matches above, loose matches on Subject: below --
2007-01-04  7:11 Albert Cahalan
2007-01-04 16:43 ` Segher Boessenkool
2007-01-04 17:04   ` Albert Cahalan
2007-01-04 17:24     ` Segher Boessenkool
2007-01-04 17:47       ` Linus Torvalds
2007-01-04 18:53         ` Segher Boessenkool
2007-01-04 19:10         ` Al Viro
2007-01-05 17:17       ` Pavel Machek
2007-01-06  8:23         ` Segher Boessenkool
2007-01-04 17:37     ` Linus Torvalds
2007-01-04 18:34       ` Segher Boessenkool
2007-01-04 22:02         ` Geert Bosch
2007-01-07  4:25       ` Denis Vlasenko
2007-01-07  4:45         ` Linus Torvalds
2007-01-07  5:26           ` Jeff Garzik
2007-01-07 15:10         ` Segher Boessenkool
2007-01-26 22:05           ` Michael K. Edwards
2007-01-04 18:08     ` Andreas Schwab
2006-12-20 14:21 Oops in 2.6.19.1 Alistair John Strachan
2006-12-30 16:59 ` Alistair John Strachan
2006-12-31 16:27   ` Adrian Bunk
2006-12-31 16:55     ` Alistair John Strachan
2007-01-02 21:10       ` kernel + gcc 4.1 = several problems Adrian Bunk
2007-01-02 21:56         ` Alistair John Strachan
2007-01-02 22:06           ` D. Hazelton
2007-01-02 23:24             ` Adrian Bunk
2007-01-02 23:41               ` D. Hazelton
2007-01-03  2:05                 ` Horst H. von Brand
2007-01-02 22:13           ` Linus Torvalds
2007-01-02 23:18             ` Alistair John Strachan
2007-01-03  1:43               ` Linus Torvalds
2007-01-02 22:01         ` Linus Torvalds
2007-01-02 23:09           ` David Rientjes

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