2.6.28-rc9-git1: Reported regressions from 2.6.27

Rafael J. Wysocki
2008-12-20T21:56:40Z

This message contains a list of some regressions from 2.6.27, for which there
are no fixes in the mainline I know of. If any of them have been fixed already,
please let me know.

If you know of any other unresolved regressions from 2.6.27, please let me know
either and I'll add them to the list. Also, please let me know if any of the
entries below are invalid.

Each entry from the list will be sent additionally in an automatic reply to
this message with CCs to the people involved in reporting and handling the
issue.

Listed regressions statistics:

Date Total Pending Unresolved
----------------------------------------
2008-12-21 120 19 17
2008-12-13 111 14 13
2008-12-07 106 20 17
2008-12-04 106 29 21
2008-11-22 93 25 15
2008-11-16 89 32 18
2008-11-09 73 40 27
2008-11-02 55 41 29
2008-10-25 26 25 20

Unresolved regressions
----------------------

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12265
Subject : FPU emulation broken in 2.6.28-rc8 ?
Submitter : Rogier Wolff <R.E.Wolff@bitwizard.nl>
Date : 2008-12-17 8:56 (4 days old)
References : http://marc.info/?l=linux-kernel&m=122950463030747&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12264
Subject : i915: switching from kwin in opengl mode to a VT then back to x11, x11 freezes
Submitter : Caleb Cushing <xenoterracide@gmail.com>
Date : 2008-12-16 11:40 (5 days old)
References : http://marc.info/?l=linux-kernel&m=122942777030666&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12263
Subject : Sata soft reset filling log
Submitter : Justin Madru <bevicm@dslextreme.com>
Date : 2008-12-13 2:07 (8 days old)
References : http://marc.info/?l=linux-kernel&m=122913412608533&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12256
Subject : [regression: 2.6.28] NFS client with locking fails
Submitter : Kees Cook <kees@outflux.net>
Date : 2008-12-19 13:38 (2 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12224
Subject : journal activity on inactive partition causes inactive harddrive spinup
Submitter : C Sights <csights@fastmail.fm>
Date : 2008-12-14 11:39 (7 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c87591b719737b4e91eb1a9fa8fd55a4ff1886d6
Handled-By : Eric Sandeen <sandeen@redhat.com>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12216
Subject : Error when drm is loaded
Submitter : François Valenduc <francois.valenduc@tvcablenet.be>
Date : 2008-12-13 09:59 (8 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=52440211dcdc52c0b757f8b34d122e11b12cdd50

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12210
Subject : 2.6.28-rc8 big regression in VM
Submitter : Lukas Hejtmanek <xhejtman@ics.muni.cz>
Date : 2008-12-12 18:38 (9 days old)
References : http://marc.info/?l=linux-kernel&m=122910711005135&w=4
Handled-By : Wu Fengguang <fengguang.wu@intel.com>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12209
Subject : oldish top core dumps (in its meminfo() function)
Submitter : Andreas Mohr <andi@lisas.de>
Date : 2008-12-12 18:49 (9 days old)
References : http://marc.info/?l=linux-kernel&m=122910784006472&w=4
http://marc.info/?l=linux-kernel&m=122907511319288&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12208
Subject : uml is very slow on 2.6.28 host
Submitter : Miklos Szeredi <miklos@szeredi.hu>
Date : 2008-12-12 9:35 (9 days old)
References : http://marc.info/?l=linux-kernel&m=122907463518593&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12195
Subject : "dd" make kernel panic
Submitter : alexs <alex.shi@intel.com>
Date : 2008-12-10 18:07 (11 days old)
Handled-By : James Bottomley <James.Bottomley@HansenPartnership.com>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12178
Subject : Xorg crash at first start
Submitter : Cédric Godin <cedric@belbone.be>
Date : 2008-12-04 14:26 (17 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=52440211dcdc52c0b757f8b34d122e11b12cdd50
References : http://marc.info/?l=linux-kernel&m=122840082828098&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12160
Subject : networking oops after resume from s2ram (2.6.28-rc6)
Submitter : Marcin Slusarz <marcin.slusarz@gmail.com>
Date : 2008-11-28 21:15 (23 days old)
References : http://marc.info/?l=linux-kernel&m=122790701615723&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12159
Subject : 2.6.28-rc6-git1 -- No sound produced from Intel HDA ALSA driver
Submitter : Miles Lane <miles.lane@gmail.com>
Date : 2008-11-27 20:33 (24 days old)
References : http://marc.info/?l=linux-kernel&m=122781805620212&w=4
Handled-By : Takashi Iwai <tiwai@suse.de>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12156
Subject : v2.6.28-rc2: x86_32 relocation regression?
Submitter : Vegard Nossum <vegard.nossum@gmail.com>
Date : 2008-11-24 21:19 (27 days old)
References : http://marc.info/?l=linux-kernel&m=122756158220966&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12061
Subject : snd_hda_intel: power_save: sound cracks on powerdown
Submitter : Jens Weibler <bugzilla-kernel@jensthebrain.de>
Date : 2008-11-18 12:07 (33 days old)
Handled-By : Takashi Iwai <tiwai@suse.de>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12028
Subject : i915 DRM is broken in 2.6.28-rc4
Submitter : Adam Tkac <vonsch@gmail.com>
Date : 2008-11-14 01:50 (37 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11849
Subject : default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems)
Submitter : Kumar Gala <galak@kernel.crashing.org>
Date : 2008-10-24 12:45 (58 days old)
References : http://marc.info/?l=linux-kernel&m=122485245924125&w=4

Regressions with patches
------------------------

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12260
Subject : Regression due to commit 2b80848e3818fb1c (p54usb: support LM87 firmwares)
Submitter : Larry Finger <Larry.Finger@lwfinger.net>
Date : 2008-12-20 10:45 (1 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2b80848e3818fb1c8ccddc105b065a86c68afa9d
Patch : http://bugzilla.kernel.org/show_bug.cgi?id=12260

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12252
Subject : new oops on resume due to ACPI_PREEMPTION_POINT()
Submitter : Len Brown <len.brown@intel.com>
Date : 2008-12-18 18:17 (3 days old)
Handled-By : Len Brown <lenb@kernel.org>
Patch : http://bugzilla.kernel.org/attachment.cgi?id=19370&action=view

For details, please visit the bug entries and follow the links given in
references.

As you can see, there is a Bugzilla entry for each of the listed regressions.
There also is a Bugzilla entry used for tracking the regressions from 2.6.27,
unresolved as well as resolved, at:

http://bugzilla.kernel.org/show_bug.cgi?id=11808

Please let me know if there are any Bugzilla entries that should be added to
the list in there.

Thanks,
Rafael

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