2.6.35-rc3: Reported regressions 2.6.33 -> 2.6.34

From: Rafael J. Wysocki
Date: Sun Jun 13 2010 - 10:53:32 EST

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[NOTES:
* This report has been delayed, because I had to go through all of the
entries and filter out the fixed ones, invalid ones etc. Of course, I might
have missed some, but hopefully not too many.
* E-mail reports from the last 7 days are not included.]

This message contains a list of some post-2.6.33 regressions introduced before
2.6.34, 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-2.6.33 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
----------------------------------------
2010-06-13 111 40 34
2010-05-09 80 27 24
2010-05-04 76 26 22
2010-04-20 64 35 34
2010-04-07 48 35 33
2010-03-21 15 13 10

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16170
Subject : Leadtek Winfast DTV Dongle (STK7700P based) is not working in 2.6.34
Submitter : macjariel <macjariel@xxxxxxxxx>
Date : 2010-06-09 11:11 (5 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16162
Subject : SSD + sata_nv + btrfs oops
Submitter : Dave Airlie <airlied@xxxxxxxxx>
Date : 2010-06-01 3:04 (13 days old)
Message-ID : <AANLkTilqsIdlzZgUf7TMLHYKqHDZoVkcs42vcG8wXKEr@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127536149022333&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16158
Subject : winxp guest hangs after idle for ~30 minutes
Submitter : brimhall <brimhall@xxxxxxxxx>
Date : 2010-06-08 17:52 (6 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16139
Subject : wait_even_interruptible_timeout(), signal, spin_lock() = system hang
Submitter : Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx>
Date : 2010-05-28 16:44 (17 days old)
Message-ID : <AANLkTiliRFydAhxH2-Dp1RKuz6sq7vgWIcMvLMi68ftg@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127506510328758&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16137
Subject : Ooops in BTRFS in 2.6.34 / x86_64 when mounting subvolume by name
Submitter : armin walland <a.walland@xxxxxxxxxxx>
Date : 2010-05-27 12:27 (18 days old)
Message-ID : <201005271428.01239.a.walland@xxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127496434110736&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16136
Subject : Linux 2.6.34 causes system lockup on Compaq Presario 2200 Laptop
Submitter : Jeffrey Merkey <jeffmerkey@xxxxxxxxx>
Date : 2010-05-27 18:08 (18 days old)
Message-ID : <AANLkTil6GGSoc8TpzRacr1LZBZS3ee3H1ejYDSqfdul4@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127498375415689&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16135
Subject : [BUG] kacpi_notify goes into an infinite loop (luckly it calls cond_resched)
Submitter : Steven Rostedt <rostedt@xxxxxxxxxxx>
Date : 2010-05-29 1:01 (16 days old)
First-Bad-Commit: http://git.kernel.org/linus/fa80945269f312bc609e8384302f58b03c916e12
Message-ID : <1275094882.22648.607.camel@xxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127509490405845&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16134
Subject : 2.6.34 hard lock ppp/do_tty_hangup, regression
Submitter : Richard Zidlicky <rz@xxxxxxxxxxxxxx>
Date : 2010-05-26 8:48 (19 days old)
Message-ID : <20100526084811.GA5890@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127486354023473&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16111
Subject : hostap_pci: infinite registered netdevice wifi0
Submitter : Petr Pisar <petr.pisar@xxxxxxxx>
Date : 2010-06-02 20:55 (12 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16097
Subject : 2.6.34 on Samsung P460: reset after "Waiting for /dev to be fully populated"
Submitter : Harald Dunkel <harald.dunkel@xxxxxxxxx>
Date : 2010-05-25 9:12 (20 days old)
Message-ID : <4BFB947E.9080509@xxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127477877432254&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16084
Subject : iwl3945 bug in 2.6.34
Submitter : Satish Eerpini <eerpini@xxxxxxxxx>
Date : 2010-05-23 6:37 (22 days old)
Message-ID : <AANLkTik_7rxDBc0TKlAfoYyM5S6Cf_Hyxbr4W5ORnTsq@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127459596015626&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16082
Subject : host panic on kernel 2.6.34
Submitter : Hao, Xudong <xudong.hao@xxxxxxxxx>
Date : 2010-05-24 8:23 (21 days old)
Message-ID : <BC00F5384FCFC9499AF06F92E8B78A9E04DCCCE242@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127468951208864&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16054
Subject : UML broken for CONFIG_SLAB
Submitter : Parag Warudkar <parag.lkml@xxxxxxxxx>
Date : 2010-05-23 21:40 (22 days old)
Message-ID : <alpine.DEB.2.00.1005231149100.605@parag-laptop>
References : http://marc.info/?l=linux-kernel&m=127465083806617&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16050
Subject : The ibmcam driver is not working
Submitter : Bill Davidsen <davidsen@xxxxxxx>
Date : 2010-05-25 23:02 (20 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16040
Subject : kacpid consumes ~40% of cpu all the time beginning with 2.6.34
Submitter : Mehmet Giritli <mehmet@xxxxxxxxxx>
Date : 2010-05-24 07:32 (21 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16035
Subject : Incorrect initial resolution of (external) vga monitor with KMS
Submitter : andreas.eckstein <andreas.eckstein@xxxxxxx>
Date : 2010-05-23 12:28 (22 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16034
Subject : 2.6.34: dlm: possible circular locking dependency detected
Submitter : CaT <cat@xxxxxxxxxx>
Date : 2010-05-21 6:59 (24 days old)
Message-ID : <20100521065933.GH2657@xxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127442519608471&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15977
Subject : WARNING: at lib/dma-debug.c:866 check_for_stack
Submitter : Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>
Date : 2010-05-14 8:56 (31 days old)
Message-ID : <AANLkTikyx2eaxaiUCFDSfpmn1UG0t2GOxArz6F4wp1LJ@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127382742729825&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15970
Subject : BUG: amd64-agp (2.6.34-rc7)
Submitter : Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Date : 2010-05-11 20:56 (34 days old)
Message-ID : <4BE9C469.2020901@xxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127361149610881&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15951
Subject : commit 9630bdd9 changes behavior of the poweroff
Submitter : Michal Hocko <mhocko@xxxxxxx>
Date : 2010-04-01 13:39 (74 days old)
First-Bad-Commit: http://git.kernel.org/linus/9630bdd9b15d2f489c646d8bc04b60e53eb5ec78
Message-ID : <20100401133923.GA4104@xxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127012918316305&w=4
Handled-By : Rafael J. Wysocki <rjw@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15936
Subject : Suspicious rcu_dereference_check() usage detected during 2.6.34-rc6 boot on PPC64/p5 processor
Submitter : Subrata Modak <subrata@xxxxxxxxxxxxxxxxxx>
Date : 2010-05-06 7:29 (39 days old)
Message-ID : <1273130279.4898.5.camel@xxxxxxxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127313031922395&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15924
Subject : kacpid consumes ~100% CPU, system freezes randomly
Submitter : Jaroslav KamenÃk <jaroslav@xxxxxxxxxx>
Date : 2010-05-06 21:12 (39 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15862
Subject : 2.6.34-rc4/5: iwlagn unusable until reload
Submitter : Nico Schottelius <nico-linux-20100427@xxxxxxxxxxxxxxx>
Date : 2010-04-27 7:49 (48 days old)
Message-ID : <20100427074934.GB3261@xxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127235784004839&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15858
Subject : [2.6.34-rc5] bad page state copying to/from HFS+ filesystem...
Submitter : Daniel J Blueman <daniel.blueman@xxxxxxxxx>
Date : 2010-04-25 21:14 (50 days old)
Message-ID : <v2k6278d2221004251414kbbcc41baw78b86120d81dce7d@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127223008621881&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15805
Subject : reiserfs locking
Submitter : Alexander Beregalov <a.beregalov@xxxxxxxxx>
Date : 2010-04-15 21:02 (60 days old)
Message-ID : <t2ka4423d671004151402n7b2dc425mdc9c6bb9640d63fb@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127136535323933&w=2
Handled-By : Frederic Weisbecker <fweisbec@xxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15717
Subject : bluetooth oops
Submitter : Pavel Machek <pavel@xxxxxx>
Date : 2010-03-14 20:14 (92 days old)
Message-ID : <20100314201434.GE22059@xxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=126859771528426&w=4
Handled-By : Marcel Holtmann <marcel@xxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15713
Subject : hackbench regression due to commit 9dfc6e68bfe6e
Submitter : Alex Shi <alex.shi@xxxxxxxxx>
Date : 2010-03-25 8:40 (81 days old)
First-Bad-Commit: http://git.kernel.org/linus/9dfc6e68bfe6ee452efb1a4e9ca26a9007f2b864
Message-ID : <1269506457.4513.141.camel@xxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=126950632920682&w=4
Handled-By : Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Pekka Enberg <penberg@xxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15712
Subject : [regression] 2.6.34-rc1 to -rc3 on zaurus: no longer boots
Submitter : Pavel Machek <pavel@xxxxxx>
Date : 2010-04-01 6:06 (74 days old)
Message-ID : <20100401060624.GA1329@xxxxxx>
References : http://marc.info/?l=linux-kernel&m=127010200817402&w=2
Handled-By : Eric Miao <eric.y.miao@xxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15704
Subject : [r8169] WARNING: at net/sched/sch_generic.c
Submitter : Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Date : 2010-03-31 10:21 (75 days old)
Message-ID : <20100331102142.GA3294@xxxxxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127003090406108&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15673
Subject : 2.6.34-rc2: "ima_dec_counts: open/free imbalance"?
Submitter : Thomas Meyer <thomas@xxxxxxxx>
Date : 2010-03-28 11:31 (78 days old)
Message-ID : <1269775909.5301.4.camel@xxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=126977593326800&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15671
Subject : intel graphic card hanging (Hangcheck timer elapsed... GPU hung)
Submitter : Norbert Preining <preining@xxxxxxxx>
Date : 2010-03-27 16:11 (79 days old)
Message-ID : <20100327161104.GA12043@xxxxxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=126970883105262&w=2
Handled-By : Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15669
Subject : INFO: suspicious rcu_dereference_check()
Submitter : Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>
Date : 2010-03-08 1:26 (98 days old)
Message-ID : <c4e36d111003250348q678eb2e6w4f3e8133e7fd6e58@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=126801163107713&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15664
Subject : Graphics hang and kernel backtrace when starting Azureus with Compiz enabled
Submitter : Alex Villacis Lasso <avillaci@xxxxxxxxxxxxxxxxxxxxxxx>
Date : 2010-04-01 01:09 (74 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15659
Subject : [Regresion] [2.6.34-rc1] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Submitter : Maciej Rutecki <maciej.rutecki@xxxxxxxxx>
Date : 2010-03-25 20:04 (81 days old)
Message-ID : <201003252104.24965.maciej.rutecki@xxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=126954749618319&w=2
Handled-By : Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16147
Subject : ksoftirq hogs the CPU
Submitter : Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
Date : 2010-06-07 15:17 (7 days old)
First-Bad-Commit: http://git.kernel.org/linus/ae74e823cb7d4cd476f623fce9a38f625f6c09a8
Handled-By : Martin Wilck <martin.wilck@xxxxxxxxxxxxxx>
Patch : https://bugzilla.kernel.org/attachment.cgi?id=26732

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16138
Subject : PCMCIA regression
Submitter : Mikulas Patocka <mpatocka@xxxxxxxxxx>
Date : 2010-05-25 20:25 (20 days old)
Message-ID : <Pine.LNX.4.64.1005251619020.12278@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127481913909672&w=2
Handled-By : Dominik Brodowski <linux@xxxxxxxx>
Patch : https://bugzilla.kernel.org/attachment.cgi?id=26685

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16007
Subject : x86/pci Oops with CONFIG_SND_HDA_INTEL
Submitter : Graham Ramsey <ramsey.graham@xxxxxxxxxxxx>
Date : 2010-05-19 17:09 (26 days old)
Handled-By : Yinghai Lu <yinghai@xxxxxxxxxx>
Patch : https://patchwork.kernel.org/patch/105662/

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15909
Subject : open("a/",O_NOFOLLOW) fails with ELOOP if "a" is a symbolic link to a directory.
Submitter : Marius Tolzmann <tolzmann@xxxxxxxxxxxxx>
Date : 2010-05-05 13:01 (40 days old)
Handled-By : OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Jan Kara <jack@xxxxxxx>
Patch : https://patchwork.kernel.org/patch/99291/

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15863
Subject : 2.6.34-rc5-git7 (plus all patches) -- another suspicious rcu_dereference_check() usage.
Submitter : Miles Lane <miles.lane@xxxxxxxxx>
Date : 2010-04-27 0:51 (48 days old)
Message-ID : <h2ya44ae5cd1004261751waa5cb65ei3d139cbcfa2cc5cf@xxxxxxxxxxxxxx>
References : http://marc.info/?l=linux-kernel&m=127232949104878&w=2
Handled-By : Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Patch : https://patchwork.kernel.org/patch/96096/

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15589
Subject : 2.6.34-rc1: Badness at fs/proc/generic.c:316
Submitter : Christian Kujau <lists@xxxxxxxxxxxxxxx>
Date : 2010-03-13 23:53 (93 days old)
Message-ID : <<alpine.DEB.2.01.1003131544340.5493@xxxxxxxxxxxxxxxxxx>>
References : http://marc.info/?l=linux-kernel&m=126852442903680&w=2
Handled-By : Michael Ellerman <michael@xxxxxxxxxxxxxx>
Patch : http://patchwork.ozlabs.org/patch/52978/

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 2.6.33 and 2.6.34, unresolved as well as resolved, at:

http://bugzilla.kernel.org/show_bug.cgi?id=15310

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

Thanks!

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