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

Ingo Molnar
2009-02-04T16:46:45Z

* Justin Mattock <justinmattock@gmail.com> wrote:

> On Wed, Feb 4, 2009 at 2:24 AM, Rafael J. Wysocki <rjw@sisk.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@gawab.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@gmail.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