linux-kernel - Re: Top kernel oopses/warnings for the week of May 30th 2008

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Message-ID: <48407667.5040001@linux.intel.com>
Date:	Fri, 30 May 2008 14:49:27 -0700
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Hugh Dickins <hugh@...itas.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Greg KH <greg@...ah.com>,
	Jeff Garzik <jeff@...zik.org>
Subject: Re: Top kernel oopses/warnings for the week of May 30th 2008

Linus Torvalds wrote:
> 
> On Fri, 30 May 2008, Hugh Dickins wrote:
>> On Fri, 30 May 2008, Arjan van de Ven wrote:
>>> Rank 7: set_page_address (oops)
>>> 	Reported 53 times (65 total reports)
>>> 	crash coming from flush_all_zero_pkmaps; was this fixed by Hugh the
>>> 	other day?
>> No, not at all.  But I'll have a little ponder over it.
> 
> It's a BUG_ON(), but sadly the oops gatherer doesn't seem to gather that 
> part. You can see it from the code portion: the "<0f> 0b" gives it away 
> (that's the ud2 opcode).

I've seen it a few more times the last few weeks, I'll dig into how that is happening.
Maybe we changed the bug_on text to miss my regexps ;(
(it's only about 1000 lines of perl, so what can go wrong in that ;-)
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