From: "H. Peter Anvin" <hpa@zytor.com>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: linux kernel <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@kernel.org>,
Ivan Seskar <Seskar@winlab.rutgers.edu>,
jfm3 <jfm3@winlab.rutgers.edu>, Sujith <m.sujith@gmail.com>
Subject: Re: Bug on 2.6.26 - x86 VIA Nehemiah CentaurHauls processor cannot boot
Date: Mon, 21 Jul 2008 06:23:43 -0700 [thread overview]
Message-ID: <48848DDF.6010903@zytor.com> (raw)
In-Reply-To: <43e72e890807210614y58065d75j5b2fb3c5ebe6180a@mail.gmail.com>
Luis R. Rodriguez wrote:
> This bug seems to be present since 2.6.22 [1], so hope we can get this
> fixed ASAP. Let me know if you have patch suggestions I can test.
>
> This crashes very early, I had to use earlyprintk to get it.
>
> BUG: Int 6: CR2 00000000
> EDI 00000000 ESI 0009f000 EBP 00000000 ESP c036ff60
> EBX c03e6070 EDX 00000006 ECX 0000009f EAX c034d240
> err 00000000 EIP c0387ac2 CS 00000060 flg 00010016
> Stack: 00000000 00000000 c03b63d8 c037bb11 0001dff0 00003c00 c0399614 c03b6304
> 00822007 c037aeb4 c0304134 000001df c0304117 00000000 30303030 205d3030
> 00000000 c034c794 00000000 00000000 00822007 c02b921f c034c794 00000000
> [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.26 #1
Use objdump -d or something to find out what is at 0xc0387ac2; the error
is an undefined instruction exception.
I suspect this is another case of a processor reporting family == 6 and
not providing the 0F 1F NOP opcodes.
-hpa
next prev parent reply other threads:[~2008-07-21 13:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-21 13:14 Bug on 2.6.26 - x86 VIA Nehemiah CentaurHauls processor cannot boot Luis R. Rodriguez
2008-07-21 13:23 ` H. Peter Anvin [this message]
2008-07-21 14:01 ` Luis R. Rodriguez
2008-07-21 23:24 ` H. Peter Anvin
2008-07-22 4:47 ` Luis R. Rodriguez
2008-07-22 13:10 ` H. Peter Anvin
2008-07-22 17:10 ` Jeff Garzik
2008-07-22 18:21 ` H. Peter Anvin
2008-07-22 18:33 ` Jeff Garzik
2008-07-22 18:41 ` H. Peter Anvin
2008-07-22 23:28 ` Jeff Garzik
2008-07-23 0:31 ` H. Peter Anvin
2008-07-22 13:14 ` Ingo Molnar
2008-07-22 13:24 ` H. Peter Anvin
2008-07-22 13:46 ` Ingo Molnar
2008-07-22 13:54 ` H. Peter Anvin
2008-07-26 18:31 ` Andi Kleen
2008-07-26 18:35 ` H. Peter Anvin
2008-07-26 18:44 ` Andi Kleen
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