Message-ID: <40172A31.6060901@oracle.com>
Date: Wed, 28 Jan 2004 04:19:13 +0100
From: Alessandro Suardi <alessandro.suardi@oracle.com>
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To: Linus Torvalds <torvalds@osdl.org>
CC: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       linux-acpi@intel.com
Subject: Re: 2.6.2-rc2-bk1 oopses on boot (ACPI patch)
References: <40171B5B.4020601@oracle.com> <20040127184228.3a0b8a86.akpm@osdl.org> <Pine.LNX.4.58.0401271907070.10794@home.osdl.org>
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Linus Torvalds wrote:
> 
> On Tue, 27 Jan 2004, Andrew Morton wrote:
> 
>>Divide by zero.  Looks like ACPI is now passing bad values into the
>>frequency change notifier.
>>
>>Does this make the oops go away?
> 
> 
> Other values will still cause divide-by-zero (any divisor in 0..9 will do 
> it). Besides, we're dividing with _old_, not new, so that's the one we 
> should likely check.
> 
> 		Linus

Indeed... I get two of the debug printks from the patch, but in the
  end I still oops due to a div-by-zero with EIP in time_cpufreq_notifier.

I'll try and look into Linus' suggestion about printing out stuff from
  adjust_jiffies() in cpufreq.c and will report later.


Thanks,

--alessandro

  "Two rivers run too deep
   The seasons change and so do I"
       (U2, "Indian Summer Sky")

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