From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: LKML <linux-kernel@vger.kernel.org>,
Borislav Petkov <borislav.petkov@amd.com>
Subject: Re: 3.2-rc2 freezes on boot for AMD K6 - bisected to commit bcb80e53877c2045d9e52f4a71372c3fe6501f6f
Date: Wed, 30 Nov 2011 11:29:28 +0530 [thread overview]
Message-ID: <4ED5C640.8030102@linux.vnet.ibm.com> (raw)
In-Reply-To: <4ED5B70F.606@lwfinger.net>
On 11/30/2011 10:24 AM, Larry Finger wrote:
> I have an ancient laptop with an AMD-K6 CPU that freezes on boot with
> 3.2-rc2. The problem was bisected to commit bcb80e53877c2.
>
> The cpuinfo for this box is:
>
>>> cpu.1: cpuinfo
> ----- /proc/cpuinfo -----
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 5
> model : 8
> model name : AMD-K6(tm) 3D processor
> stepping : 12
> cpu MHz : 428.804
> cache size : 64 KB
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr cx8 pge mmx syscall 3dnow
> k6_mtrr up
> bogomips : 857.60
> clflush size : 32
> cache_alignment : 32
> address sizes : 32 bits physical, 32 bits virtual
> power management:
>
> ----- /proc/cpuinfo end -----
>
> This patch is quite simple, thus it appears that rdmsr() is OK, but that
> rdmsr_safe() is not.
>
> I am happy to provide any other info regarding this box.
>
Hi Larry,
Can you please try out the patch posted in
https://lkml.org/lkml/2011/11/28/178 ?
This patch will be available in mainline kernel from -rc4.
https://lkml.org/lkml/2011/11/28/457
--
Regards,
Srivatsa S. Bhat
IBM Linux Technology Center
next prev parent reply other threads:[~2011-11-30 5:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-30 4:54 3.2-rc2 freezes on boot for AMD K6 - bisected to commit bcb80e53877c2045d9e52f4a71372c3fe6501f6f Larry Finger
2011-11-30 5:59 ` Srivatsa S. Bhat [this message]
2011-11-30 7:09 ` Larry Finger
2011-12-03 20:43 ` Larry Finger
2011-12-03 23:07 ` Linus Torvalds
2011-12-04 3:15 ` Larry Finger
2011-12-04 6:05 ` Bob Tracy
2011-12-04 13:09 ` Borislav Petkov
2011-12-05 7:28 ` Ingo Molnar
2011-12-05 17:40 ` [tip:x86/urgent] x86: Document rdmsr_safe restrictions tip-bot for Borislav Petkov
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