This message contains a list of some post-2.6.37 regressions introduced before 2.6.38, for which there are no fixes in the mainline known to the tracking team. If any of them have been fixed already, please let us know.

If you know of any other unresolved post-2.6.37 regressions, please let us know either and we'll add them to the list. Also, please let us 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 ---------------------------------------- 2011-04-30 105 29 28 2011-04-17 98 28 28 2011-03-27 88 26 26 2011-03-06 70 27 26 2011-02-21 51 18 17 2011-02-12 39 20 18 2011-02-03 19 11 7

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=34022 Subject : Kernel OOPS turning on Radeon on vgaswitcheroo enabled system Submitter : blazej.bucko@gmail.com Date : 2011-04-27 19:39 (4 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=33982 Subject : ath9k: regulatory: strange tx power limits Submitter : Richard Schütz r.schtz@t-online.de Date : 2011-04-26 18:37 (5 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=33892 Subject : Kernel sometimes fails to find major/minor number of root device Submitter : Aaron Barany akb825@gmail.com Date : 2011-04-23 20:13 (8 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=33882 Subject : rt2800pci bad performance in 2.6.38 Submitter : Ricardo Graça r.jpg@iol.pt Date : 2011-04-23 14:35 (8 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=33852 Subject : Regression of AR2413 802.11bg in 2.6.38.4 Submitter : Boris Popov popov.b@gmail.com Date : 2011-04-23 12:12 (8 days old) First-Bad-Commit: http://git.kernel.org/linus/42c025f3de9042d9c9abd9a6f6205d1a0f4bcadf

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=33662 Subject : System hangs during X startup (kwin compositing?) Submitter : Luke-Jr luke-jr+linuxbugs@utopios.org Date : 2011-04-19 04:26 (12 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32762 Subject : Booting with external monitor attached results in red flickering screen on the external monitor Submitter : Anton anton.bugs@gmail.com Date : 2011-04-06 04:50 (25 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32522 Subject : drm:i915_hangcheck_ring_idle after suspend/resume cycle Submitter : fhimpe@telenet.be Date : 2011-04-02 18:40 (29 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32202 Subject : 2.6.38 hangs on boot until key is pressed Submitter : Tvrtko Ursulin tvrtko@ursulin.net Date : 2011-03-27 19:18 (35 days old) Message-ID : 1301253485.2500.2.camel@deuteros References : http://marc.info/?l=linux-kernel&m=130125411116558&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32112 Subject : Writes to USB flash drives are extremely slow in 2.6.38 Submitter : Delan Azabani delan@azabani.com Date : 2011-03-29 08:10 (33 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32072 Subject : 2.6.38 Regression: Nvidia GeForce8400 + i915 = Crash on Boot Submitter : simon@mungewell.org Date : 2011-03-24 15:20 (38 days old) Message-ID : fe471c05897776b7c26b9fd2603e3b76.squirrel@host171.canaca.com References : http://marc.info/?l=linux-kernel&m=130100955926434&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31982 Subject : XFS memory allocation deadlock in 2.6.38 Submitter : Sean Noonan Sean.Noonan@twosigma.com Date : 2011-03-21 16:19 (41 days old) Message-ID : 081DDE43F61F3D43929A181B477DCA95639B52FD@MSXAOA6.twosigma.com References : http://marc.info/?l=linux-kernel&m=130072585111310&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31922 Subject : ath5k: Decreased throughput in IBSS or 802.11n mode Submitter : Jeff Cook jeff@deserettechnology.com Date : 2011-03-26 20:06 (36 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31782 Subject : nouveau: lockdep spew Submitter : Johannes Berg johannes@sipsolutions.net Date : 2011-03-24 09:51 (38 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31702 Subject : ath5k phy2: failed to wakeup the MAC Chip Submitter : Justin P. Mattock justinmattock@gmail.com Date : 2011-03-22 19:15 (40 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31572 Subject : BUG in vb_alloc() - firewire crash at boot Submitter : Pavel Kysilka goldenfish@linuxsoft.cz Date : 2011-03-21 12:40 (41 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31532 Subject : 2.6.38: Quota over NFS4 Submitter : Adam Lackorzynski adam@os.inf.tu-dresden.de Date : 2011-03-17 13:32 (45 days old) Message-ID : 20110317133247.GB6424@os.inf.tu-dresden.de References : http://marc.info/?l=linux-kernel&m=130036878203485&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31522 Subject : i915/kms regression after 2.6.38-rc8 (was: Re: Linux 2.6.38) Submitter : Melchior FRANZ melchior.franz@gmail.com Date : 2011-03-16 17:30 (46 days old) Message-ID : 201103161830.52231@rk-nord.at References : http://marc.info/?l=linux-kernel&m=130029706416659&w=2 http://marc.info/?l=linux-kernel&m=130409270332174&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31402 Subject : Diminished brightness at startup Submitter : Guilherme Salazar guilhermesalazar@ymail.com Date : 2011-03-18 16:29 (44 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31322 Subject : 2.6.38-rc echo 3 > /proc/sys/vm/drop_caches repairs mplayer distortions Submitter : Hans de Bruin jmdebruin@xmsnet.nl Date : 2011-03-14 21:34 (48 days old) Message-ID : 4D7E89E7.3080505@xmsnet.nl References : http://marc.info/?l=linux-kernel&m=130014181919827&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=31012 Subject : WARNING: Perf: bad frame pointer = (null), 2.6.38-rc8 Submitter : Chuck Ebbert cebbert@redhat.com Date : 2011-03-12 19:08 (50 days old) Message-ID : 20110312140851.52420149@katamari References : http://marc.info/?l=linux-kernel&m=129995721014931&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=30992 Subject : 2.6.38-rc7: Some strange soft-lockup Submitter : Dmitry Nezhevenko dion@inhex.net Date : 2011-03-06 14:01 (56 days old) Message-ID : 20110306140104.GA7700@laptop.local References : http://marc.info/?l=linux-kernel&m=129942161205739&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=30582 Subject : WARNING: at drivers/net/wireless/ath/ath9k/recv.c:536 ath_stoprecv+0xc8/0xda [ath9k]() Submitter : Justin Mattock justinmattock@gmail.com Date : 2011-03-03 5:47 (59 days old) Message-ID : AANLkTik9To0Rkq2FRqQFB2wNu0kyJ7CzyBek2jBp36Cb@mail.gmail.com References : http://marc.info/?l=linux-kernel&m=129913127722786&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=29992 Subject : boot hang 2.6.37.1 regression w/ intel_idle and CONFIG_NO_HZ=n - asus p7p55d le Submitter : De Ganseman Amaury amaury.deganseman@gmail.com Date : 2011-02-27 10:38 (63 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=29672 Subject : [regression][ALSA][hda-conexant][2.6.38-rcX] external microphone sound too quiet Submitter : Shawn Starr shawn.starr@rogers.com Date : 2011-02-19 6:02 (71 days old) Message-ID : 474630.25335.qm@smtp105.rog.mail.re2.yahoo.com References : http://marc.info/?l=linux-kernel&m=129809536502092&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28522 Subject : Unable to mount FAT-formatted floppy on /dev/fd0, plus WARN_ON when using /dev/fd0u1440 Submitter : Alex Villacis Lasso avillaci@ceibo.fiec.espol.edu.ec Date : 2011-02-07 17:21 (83 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28452 Subject : 2.6.38-rc3 regression on parisc: segfaults Submitter : Meelis Roos mroos@linux.ee Date : 2011-02-01 22:00 (89 days old) Message-ID : alpine.SOC.1.00.1102012342200.25944@math.ut.ee References : http://marc.info/?l=linux-kernel&m=129659763426600&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28422 Subject : kref and apparmor panic in 2.6.38-rc2. Submitter : Tao Ma tm@tao.ma Date : 2011-01-31 10:06 (90 days old) Message-ID : 4D46899B.80302@tao.ma References : http://marc.info/?l=linux-kernel&m=129646840303149&w=2

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=32862 Subject : acer_wmi partially crashes ACPI/EC (Aspire 8930G) Submitter : Hector Martin hector@marcansoft.com Date : 2011-04-07 17:44 (24 days old) Handled-By : Lee, Chun-Yi jlee@novell.com Patch : https://bugzilla.kernel.org/attachment.cgi?id=54492

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 2.6.37 and 2.6.38, unresolved as well as resolved, at:

http://bugzilla.kernel.org/show_bug.cgi?id=27352

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

Thanks!