This message contains a list of some post-2.6.36 regressions introduced before 2.6.37, 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-2.6.36 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 ---------------------------------------- 2011-02-13 126 36 30 2011-02-03 118 36 31 2010-12-30 85 32 26 2010-12-19 73 28 24 2010-12-03 55 25 19 2010-11-19 39 29 25

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28812 Subject : DVI attached monitor is turned off while booting linux 2.6.37 and higher Submitter : Markus Heinz markus.heinz@uni-dortmund.de Date : 2011-02-10 19:33 (3 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28772 Subject : oops in nfs_revalidate_mapping Submitter : Daniel Poelzleithner bugzilla.kernel.org@poelzi.org Date : 2011-02-10 13:59 (3 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28662 Subject : i915 in kernel 2.6.38-rc4, high number of wakeups Submitter : Kan-Ru Chen kanru@kanru.info Date : 2011-02-09 07:06 (4 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28622 Subject : radeon video lockup Submitter : Daniel Poelzleithner bugzilla.kernel.org@poelzi.org Date : 2011-02-08 17:48 (5 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28612 Subject : regular soft lockup Submitter : Alexandre Demers alexandre.f.demers@gmail.com Date : 2011-02-08 16:39 (5 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28582 Subject : whole system hang when start X Submitter : Gu Rui chaos.proton@gmail.com Date : 2011-02-08 08:33 (5 days old) First-Bad-Commit: http://git.kernel.org/linus/d5bb081b027b520f9e59b4fb8faea83a136ec15e

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28332 Subject : [RV620] Can not re-enable LVDS after using HDMI only Submitter : Rafał Miłecki zajec5@gmail.com Date : 2011-02-05 22:42 (8 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27892 Subject : SNB: GPU hang with Slip xscreensaver Submitter : Takashi Iwai tiwai@suse.de Date : 2011-01-31 12:06 (13 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27842 Subject : [regression?] hang with 2.6.37 on a BTRFS test machine Submitter : Martin Steigerwald Martin@lichtvoll.de Date : 2011-01-23 12:06 (21 days old) Message-ID : <201101231306.23069.Martin@lichtvoll.de> References : http://marc.info/?l=linux-kernel&m=129578445613283&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27642 Subject : 2.6.37 says WARNING: at arch/x86/kernel/apic/apic.c:1287 setup_local_APIC+0x18f/0x263() Submitter : Rob Landley rlandley@parallels.com Date : 2011-01-18 13:11 (26 days old) Message-ID : 4D359188.3040408@parallels.com References : http://marc.info/?l=linux-kernel&m=129535632319892&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27532 Subject : ath9k prevents CPU from entering lower C-states Submitter : Thomas Bächler thomas@archlinux.org Date : 2011-01-24 22:43 (20 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27402 Subject : Atheros adapter no longer loads firmware Submitter : Michal Vaner vorner@ucw.cz Date : 2011-01-23 15:29 (21 days old) First-Bad-Commit: http://git.kernel.org/linus/be93112accb42c5586a459683d71975cc70673ca

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27152 Subject : VGA output broken at cold boot Submitter : Takashi Iwai tiwai@suse.de Date : 2011-01-20 13:26 (24 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27132 Subject : flush-btrfs gets into an infinite loop Submitter : Artem Anisimov aanisimov@inbox.ru Date : 2011-01-20 11:51 (24 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=26802 Subject : b43: Suspend failed Submitter : Patrick Matthäi patrick@linux-dev.org Date : 2011-01-15 18:56 (29 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=26612 Subject : BUG in fs/inode.c:429 Submitter : Florian Kriener florian@kriener.org Date : 2011-01-06 16:35 (38 days old) Message-ID : 201101061735.40060.florian@kriener.org References : http://marc.info/?l=linux-kernel&m=129433235223735&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=26582 Subject : NULL pointer dereference on pipe creation Submitter : Ferenc Wágner wferi@niif.hu Date : 2011-01-12 13:30 (32 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=26112 Subject : [LogFS] [2.6.37-rc8+] Kernel BUG at logfs/readwrite.c:297! Submitter : Prasad Joshi prasadjoshi124@gmail.com Date : 2011-01-02 21:22 (42 days old) Message-ID : AANLkTinpoM8FuG8UkF88xs_V37dz_wgE8t-s0JPzaS-w@mail.gmail.com References : http://marc.info/?l=linux-kernel&m=129400335910652&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=26102 Subject : [2.6.37-rc8] BUG kmalloc-256: Poison overwritten. Submitter : Pawel Sikora pluto@agmk.net Date : 2010-12-30 15:08 (45 days old) Message-ID : 201012301608.40859.pluto@agmk.net References : http://marc.info/?l=linux-kernel&m=129372388925679&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=25922 Subject : IdeaPad Y530 brightness keys not functioning Submitter : Tomasz tm.temp@gmx.com Date : 2010-12-30 12:48 (45 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=25832 Subject : kernel crashes upon resume if usb devices are removed when suspended Submitter : rocko rockorequin@hotmail.com Date : 2010-12-29 11:47 (46 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=25732 Subject : i915 turns picture green when display switched off-on Submitter : Tõnu Raitviir jussuf@linux.ee Date : 2010-12-27 22:14 (48 days old) First-Bad-Commit: http://git.kernel.org/linus/3c17fe4b8f40a112a85758a9ab2aebf772bdd647 Handled-By : Chris Wilson chris@chris-wilson.co.uk

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=25072 Subject : backlight level is not maintened during LID close/open Submitter : Lukas Hejtmanek xhejtman@fi.muni.cz Date : 2010-12-17 11:56 (58 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=24882 Subject : PM/Hibernate: Memory corruption patch introduces regression (2.6.36.2) Submitter : akwatts@ymail.com Date : 2010-12-14 04:00 (61 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=24822 Subject : Embedded DisplayPort is detected wrongly on HP ProBook 5320m Submitter : Takashi Iwai tiwai@suse.de Date : 2010-12-13 11:09 (62 days old) Handled-By : Chris Wilson chris@chris-wilson.co.uk

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=24762 Subject : BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582) Submitter : Chris Wilson chris@chris-wilson.co.uk Date : 2010-12-10 12:00 (65 days old) Message-ID : c6d829$pqibha@fmsmga001.fm.intel.com References : http://marc.info/?l=linux-kernel&m=129198247531612&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=24582 Subject : Kernel Oops at tty_buffer_request_room when using pppd program (2.6.37-rc4) Submitter : baoyb baoyb@avit.org.cn Date : 2010-12-08 13:55 (67 days old) Message-ID : EF6DDE218DB34702B1FA84D6CD7EA771@baoyb References : http://marc.info/?l=linux-kernel&m=129181763525738&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=22942 Subject : [2.6.37-rc1, OOM] virtblk: OOM in do_virtblk_request() Submitter : Dave Chinner david@fromorbit.com Date : 2010-11-05 1:30 (100 days old) Message-ID : 20101105013003.GE13830@dastard References : http://marc.info/?l=linux-kernel&m=128892062917641&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=22642 Subject : 2.6.37-rc1: Disk takes 10 seconds to resume - MacBook2,1 Submitter : Tobias devnull@plzk.org Date : 2010-11-10 19:33 (95 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=22542 Subject : [2.6.37-rc1] drm:i195 errors Submitter : Paul Rolland rol@witbe.net Date : 2010-11-02 14:58 (103 days old) Message-ID : 20101102155813.09cb2c6e@tux.DEF.witbe.net References : http://marc.info/?l=linux-kernel&m=128870991628970&w=2

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=28592 Subject : Multichannels LPCM through HDMI audio does not work anymore on NVidia cards Submitter : dura newsgrp@duradsl.dyndns.org Date : 2011-02-08 13:39 (5 days old) Handled-By : Takashi Iwai tiwai@suse.de Patch : https://bugzilla.kernel.org/attachment.cgi?id=46852

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=27202 Subject : Remote control of saa7134-based tv card "ASUSTeK P7131 Hybrid" stopped working in 2.6.37 Submitter : acaizzo@gmail.com Date : 2011-01-20 17:23 (24 days old) First-Bad-Commit: http://git.kernel.org/linus/4651918a4afdd49bdea21d2f919b189ef17a6399 Patch : https://bugzilla.kernel.org/attachment.cgi?id=44532

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=25822 Subject : [BUG] kernel BUG at mm/truncate.c:479! on 2.6.37-rc8 Submitter : Gurudas Pai gurudas.pai@oracle.com Date : 2010-12-29 6:58 (46 days old) Message-ID : 4D1AD935.1020504@oracle.com References : http://marc.info/?l=linux-kernel&m=129360511222037&w=2 Patch : https://lkml.org/lkml/2010/12/29/131 https://lkml.org/lkml/2011/1/20/163

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=25402 Subject : kernel (2.6.37-8-generic_amd64) panic on boot (with message "map_single: bounce buffer is not DMA'ble) - possible regression !!! Submitter : carlos carlos.palma@ono.com Date : 2010-12-21 19:58 (54 days old) Patch : https://patchwork.kernel.org/patch/522971/

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=23472 Subject : 2.6.37-rc2 vs. 2.6.36 laptop backlight changes? Submitter : Patrick Schaaf netdev@bof.de Date : 2010-11-17 13:41 (88 days old) Message-ID : 1290001262.5727.2.camel@lat1 References : http://marc.info/?l=linux-kernel&m=129000127920912&w=2 Handled-By : Indan Zupancic indan@nul.nu Patch : https://bugzilla.kernel.org/attachment.cgi?id=47302

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=22882 Subject : (2.6.37-rc1) amd64-agp module crashed on second load Submitter : Randy Dunlap randy.dunlap@oracle.com Date : 2010-11-05 0:13 (100 days old) Message-ID : 20101104171333.fea1f498.randy.dunlap@oracle.com References : http://marc.info/?l=linux-kernel&m=128891605213447&w=2 Handled-By : Florian Mickler florian@mickler.org Patch : https://bugzilla.kernel.org/attachment.cgi?id=46682

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

http://bugzilla.kernel.org/show_bug.cgi?id=21782

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

Thanks!