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List:       linux-kernel
Subject:    Re: Bug on Quad Opteron in 2.6.6-rc3
From:       Andi Kleen <ak () muc ! de>
Date:       2004-04-30 20:59:31
Message-ID: m3ekq59o7g.fsf () averell ! firstfloor ! org
[Download RAW message or body]

"Alexander v. Buelow" <buelow@lpr.e-technik.tu-muenchen.de> writes:

> Hi,
>
> I use a quad opteron machine based on the fedora core 2 test 3 release.
> I compiled a kernel 2.6.6-rc3 myself and the machine crashes when
> mounting the rootfs. I tested kernel 2.6.6-rc2 with exact the same
> .config and it works fine, the same with kernel 2.6.6-rc1.

Apply the appended patch.

-Andi

diff -puN include/asm-x86_64/processor.h~a include/asm-x86_64/processor.h
--- 25/include/asm-x86_64/processor.h~a	Fri Apr 30 11:24:58 2004
+++ 25-akpm/include/asm-x86_64/processor.h	Fri Apr 30 11:25:28 2004
@@ -20,6 +20,8 @@
 #include <asm/mmsegment.h>
 #include <linux/personality.h>
 
+#define ARCH_MIN_TASKALIGN L1_CACHE_BYTES
+
 #define TF_MASK		0x00000100
 #define IF_MASK		0x00000200
 #define IOPL_MASK	0x00003000



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