linux-kernel - Re: [Bug #12505] 2.6.29-rc1 Firefox crashing on page load

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Date:	Wed, 4 Feb 2009 18:15:10 +0000
From:	Justin Mattock <justinmattock@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	Justin Madru <jdm64@...ab.com>
Subject: Re: [Bug #12505] 2.6.29-rc1 Firefox crashing on page load

On Wed, Feb 4, 2009 at 4:46 PM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Justin Mattock <justinmattock@...il.com> wrote:
>
>> On Wed, Feb 4, 2009 at 2:24 AM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>> > This message has been generated automatically as a part of a report
>> > of recent regressions.
>> >
>> > The following bug entry is on the current list of known regressions
>> > from 2.6.28.  Please verify if it still should be listed and let me know
>> > (either way).
>> >
>> >
>> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=12505
>> > Subject         : 2.6.29-rc1 Firefox crashing on page load
>> > Submitter       : Justin Madru <jdm64@...ab.com>
>> > Date            : 2009-01-16 20:56 (20 days old)
>> > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4217458dafaa57d8e26a46f5d05ab8c53cf64191
>> > References      : http://marc.info/?l=linux-kernel&m=123213941914274&w=4
>> > Handled-By      : Justin P. Mattock <justinmattock@...il.com>
>> >
>> >
>> >
>>
>> Well the hardest for this, was to reproduce
>> the error.(never did). I guess it can be taken
>> of if there was a patch for the fix, and the patch
>> made it into the main tree. but if this  is a firefox
>> issue, then a report needs to be filed with them.
>> so overall my answer is "I don't know."
>> :^)
>
> the error is spurious because gcc randomly stomps on user register state so
> the effects can be rather random and unpredictable.
>
> The fix:
>
>  552b8aa: Revert "x86: signal: change type of paramter for sys_rt_sigreturn()"
>
> was included in -rc2 already, so please test latest -git whether you can see
> any such troubles.
>
>        Ingo
>

Sure I'll test it.
I'm just in the process of compiling libc.
which looks like I'll be here for a while.

-- 
Justin P. Mattock
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