Re: 2.6.30-rc6: Reported regressions from 2.6.29

Rafael J. Wysocki
2009-05-23T00:10:56Z

On Friday 22 May 2009, Linus Torvalds wrote:
>
> On Sat, 16 May 2009, Rafael J. Wysocki wrote:
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13329
> > Subject : cifs_close: NULL pointer dereference
> > Submitter : Luca Tettamanti <kronos.it@gmail.com>
> > Date : 2009-05-16 16:28 (1 days old)
> > References : http://marc.info/?l=linux-kernel&m=124249133701702&w=4
>
> Fixed by 703a3b8e5c01cf6fb33c6d8dc99905f889a4e992.
>
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13298
> > Subject : modprobe ipmi_si hangs under 2.6.30-rc5
> > Submitter : Ferenc Wagner <wferi@niif.hu>
> > Date : 2009-05-12 21:28 (5 days old)
> > References : http://marc.info/?l=linux-kernel&m=124216379407177&w=4
>
> Fixed by 9a2845c453d170e4e9b1437fa671dbf39b0e7bd8.
>
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13297
> > Subject : kernel panic - not syncing : fatel exception in interupt
> > Submitter : rob <rob1@housetosell.net>
> > Date : 2009-05-12 19:34 (5 days old)
> > References : http://marc.info/?l=linux-kernel&m=124216126903309&w=4
>
> This should be fixed by e3b29f05124b07303088795396ff858811d2acb8.
>
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13177
> > Subject : 2.6.30-rc2-git7 build problem
> > Submitter : Martin Knoblauch <spamtrap@knobisoft.de>
> > Date : 2009-04-21 13:39 (26 days old)
> > References : http://marc.info/?l=linux-kernel&m=124032163602132&w=4
> > http://lkml.org/lkml/2009/4/27/56
>
> This one really looks like a compiler bug (the undefined symbol is an
> internal gcc one: ".L192"). And the driver that gets it (kl5kusb105) has
> not actually had any changes since 2.6.29 - although header files that it
> includes obviously do have some, so it's entirely possible that some
> infrastructure change causes it to trigger.
>
> Martin hit another bug with his compiler (an ICE in gcc, fixed by commit
> 26a9a418237c0b06528941bca693c49c8d97edbe), which is why I'm so willing to
> blame that.
>
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13107
> > Subject : LTP 20080131 causes defunct processes w/2.6.30-rc1
> > Submitter : Kumar Gala <galak@kernel.crashing.org>
> > Date : 2009-04-09 15:43 (38 days old)
> > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b3bfa0cba867f23365b81658b47efd906830879b
> > References : http://marc.info/?l=linux-kernel&m=123929187208953&w=4
> > http://lkml.org/lkml/2009/4/10/193
> > Handled-By : Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
>
> This one seems to have become "not-a-bug". Yes, LTP used to check that you
> cannot send SIGSTP to init, but people do want to send signals to init
> (especially when they are inside pid-namespace containers), and as long as
> it's only a LTP test that already got modified (and not some actual
> real-life usage), I'm considering this a "test failed because it was
> testing for behavior that we want to change" at least for now.

Thanks a lot, this really helps! :-)

I've closed all of the bugs above.

Best,
Rafael