This message contains a list of some regressions introduced between 2.6.27 and
2.6.28, 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 introduced between 2.6.27
and 2.6.28, 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
  ----------------------------------------
  2009-02-24      154       27          23
  2009-02-15      152       30          26
  2009-02-04      149       33          30
  2009-01-20      144       30          27
  2009-01-11      139       33          30
  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=12759
Subject		: scsi: aic7xxx hang since v2.6.28-rc1 ...
Submitter	: Ingo Molnar [off-list ref]
Date		: 2009-02-15 11:44 (9 days old)
References	: http://marc.info/?l=linux-kernel&m=123469852817058&w=4
Handled-By	: Alan Stern [off-list ref]


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12757
Subject		: >2.6.27 dies at cardbus init on laptop
Submitter	: David Pflug [off-list ref]
Date		: 2009-02-17 19:28 (7 days old)
References	: http://marc.info/?l=linux-kernel&m=123489904218306&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12690
Subject		: DPMS (LCD powersave, poweroff) don't work
Submitter	: Antonin Kolisek [off-list ref]
Date		: 2009-02-11 09:40 (13 days old)


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12645
Subject		: DMI low-memory-protect quirk causes resume hang on Samsung NC10
Submitter	: Patrick Walton [off-list ref]
Date		: 2009-02-06 18:35 (18 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0af40a4b1050c050e62eb1dc30b82d5ab22bf221


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12634
Subject		: video distortion and lockup with i830 video chip and 2.6.28.3
Submitter	: Bob Raitz [off-list ref]
Date		: 2009-02-04 21:10 (20 days old)


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12619
Subject		: Regression 2.6.28 and last - boot failed
Submitter	: jan sonnek [off-list ref]
Date		: 2009-02-01 19:59 (23 days old)
References	: http://marc.info/?l=linux-kernel&m=123351836213969&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12559
Subject		: Huawei E169 doesn't work as mass storage anymore
Submitter	: kpalberg [off-list ref]
Date		: 2009-01-28 02:34 (27 days old)


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12500
Subject		: r8169: NETDEV WATCHDOG: eth0 (r8169): transmit timed out
Submitter	: Justin Piszcz [off-list ref]
Date		: 2009-01-13 21:19 (42 days old)
References	: http://marc.info/?l=linux-kernel&m=123188160811322&w=4
Handled-By	: Francois Romieu [off-list ref]


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12465
Subject		: KVM guests stalling on 2.6.28 (bisected)
Submitter	: Kevin Shanahan [off-list ref]
Date		: 2009-01-17 03:37 (38 days old)


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12421
Subject		: GPF on 2.6.28 and 2.6.28-rc9-git3, e1000e and e1000 issues
Submitter	: Doug Bazarnic [off-list ref]
Date		: 2009-01-09 21:26 (46 days old)
References	: http://marc.info/?l=linux-kernel&m=123153653120204&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12411
Subject		: 2.6.28: BUG in r8169
Submitter	: Andrey Vul [off-list ref]
Date		: 2008-12-31 18:37 (55 days old)
References	: http://marc.info/?l=linux-kernel&m=123074869611409&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12409
Subject		: NULL pointer dereference at get_stats()
Submitter	: Tetsuo Handa [off-list ref]
Date		: 2008-12-30 12:53 (56 days old)
References	: http://marc.info/?l=linux-kernel&m=123064167008695&w=4
Handled-By	: Frederik Deweerdt [off-list ref]


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12408
Subject		: Funny problem with 2.6.28: Kernel stalls
Submitter	: Michael Roth [off-list ref]
Date		: 2008-12-25 15:14 (61 days old)
References	: http://marc.info/?l=linux-kernel&m=123021931714282&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12407
Subject		: Kernel 2.6.28 regression: Hang after hibernate
Submitter	: Frank Groeneveld [off-list ref]
Date		: 2008-12-28 20:34 (58 days old)
References	: http://marc.info/?l=linux-kernel&m=123049651906081&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12405
Subject		: oops in __bounce_end_io_read under kvm
Submitter	: Christoph Hellwig [off-list ref]
Date		: 2008-12-26 17:36 (60 days old)
References	: http://marc.info/?l=linux-kernel&m=123031303400676&w=4
Handled-By	: Jens Axboe [off-list ref]


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12404
Subject		: Oops in 2.6.28-rc9 and -rc8 -- mtrr issues / e1000e
Submitter	: Kernel [off-list ref]
Date		: 2008-12-22 9:37 (64 days old)
References	: http://marc.info/?l=linux-kernel&m=122993873320150&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12401
Subject		: 2.6.28 regression: xbacklight broken on ThinkPad X61s
Submitter	: Tino Keitel [off-list ref]
Date		: 2009-01-05 8:39 (50 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=22c13f9d8179f4c9caecfcb60a95214562b9addc
References	: http://marc.info/?l=linux-kernel&m=123114479110314&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12395
Subject		: 2.6.28-rc9: oprofile regression
Submitter	: Tim Blechmann [off-list ref]
Date		: 2008-12-21 14:23 (65 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b99170288421c79f0c2efa8b33e26e65f4bb7fb8
References	: http://marc.info/?l=linux-kernel&m=122986946614791&w=4
Handled-By	: Andi Kleen [off-list ref]


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12337
Subject		: ~100 extra wakeups reported by powertop
Submitter	: Alberto Gonzalez [off-list ref]
Date		: 2008-12-31 12:25 (55 days old)


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12209
Subject		: oldish top core dumps (in its meminfo() function)
Submitter	: Andreas Mohr [off-list ref]
Date		: 2008-12-12 18:49 (74 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 [off-list ref]
Date		: 2008-12-12 9:35 (74 days old)
References	: http://marc.info/?l=linux-kernel&m=122907463518593&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 [off-list ref]
Date		: 2008-11-28 21:15 (88 days old)
References	: http://marc.info/?l=linux-kernel&m=122790701615723&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 [off-list ref]
Date		: 2008-11-18 12:07 (98 days old)
Handled-By	: Takashi Iwai [off-list ref]


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

Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12614
Subject		: WOL with forcedeth broken since f55c21fd9a92a444e55ad1ca4e4732d56661bf2e
Submitter	: Philipp Matthias Hahn [off-list ref]
Date		: 2009-01-29 6:31 (26 days old)
References	: http://marc.info/?l=linux-kernel&m=123321232825316&w=4
Handled-By	: Yinghai Lu [off-list ref]
		  Tobias Diedrich [off-list ref]
Patch		: http://marc.info/?l=linux-kernel&m=123330459229248&w=4
		  http://marc.info/?l=linux-kernel&m=123411195117835&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12612
Subject		: hard lockup when interrupting cdda2wav
Submitter	: Matthias Reichl [off-list ref]
Date		: 2009-01-28 16:41 (27 days old)
References	: http://marc.info/?l=linux-kernel&m=123316111415677&w=4
Handled-By	: FUJITA Tomonori [off-list ref]
Patch		: http://marc.info/?l=linux-scsi&m=123371501613019&w=2


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12406
Subject		: 2.6.28 thinks that my PS/2 mouse is a touchpad
Submitter	: Alexander E. Patrakov [off-list ref]
Date		: 2008-12-27 9:06 (59 days old)
References	: http://marc.info/?l=linux-kernel&m=123036893817280&w=4
Handled-By	: Arjan Opmeer [off-list ref]
Patch		: http://marc.info/?l=linux-kernel&m=123092147703236&w=4


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12393
Subject		: debugging in dosemu causes lots of 'scheduling while atomic'
Submitter	: Michal Suchanek [off-list ref]
Date		: 2009-01-09 07:28 (46 days old)
Handled-By	: Thomas Gleixner [off-list ref]
Patch		: http://lkml.org/lkml/2009/1/13/445


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 introduced
between 2.6.27 and 2.6.28, 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