2.6.28-rc3-git6: Reported regressions 2.6.26 -> 2.6.27

From: Rafael J. Wysocki
Date: Sun Nov 09 2008 - 16:37:37 EST

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This message contains a list of some regressions introduced between 2.6.26 and
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 introduced between 2.6.26
and 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
----------------------------------------
2008-11-09 196 28 23
2008-11-02 195 34 28
2008-10-26 190 34 29
2008-10-04 181 41 33
2008-09-27 173 35 28
2008-09-21 169 45 36
2008-09-15 163 46 32
2008-09-12 163 51 38
2008-09-07 150 43 33
2008-08-30 135 48 36
2008-08-23 122 48 40
2008-08-16 103 47 37
2008-08-10 80 52 31
2008-08-02 47 31 20

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11983
Subject : iwlagn: wrong command queue 31, command id 0x0
Submitter : Matt Mackall <mpm@xxxxxxxxxxx>
Date : 2008-11-06 4:16 (4 days old)
References : http://marc.info/?l=linux-kernel&m=122598672815803&w=4
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1703
Handled-By : reinette chatre <reinette.chatre@xxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11892
Subject : Battery information and status disappearing and wrong thermal status.
Submitter : Mark <makalsky@xxxxxxxxx>
Date : 2008-10-29 15:33 (12 days old)
Handled-By : Alexey Starikovskiy <astarikovskiy@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11876
Subject : RCU hang on cpu re-hotplug with 2.6.27rc8
Submitter : Andi Kleen <andi@xxxxxxxxxxxxxx>
Date : 2008-10-06 23:28 (35 days old)
References : http://marc.info/?l=linux-kernel&m=122333610602399&w=2
Handled-By : Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11843
Subject : usb hdd problems with 2.6.27.2
Submitter : Luciano Rocha <luciano@xxxxxxxxxxx>
Date : 2008-10-22 16:22 (19 days old)
References : http://marc.info/?l=linux-kernel&m=122469318102679&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11836
Subject : Scheduler on C2D CPU and latest 2.6.27 kernel
Submitter : Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>
Date : 2008-10-21 9:59 (20 days old)
References : http://marc.info/?l=linux-kernel&m=122458320502371&w=4
Handled-By : Chris Snook <csnook@xxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11830
Subject : disk statistics issue in 2.6.27
Submitter : Miquel van Smoorenburg <mikevs@xxxxxxxxxx>
Date : 2008-10-19 11:31 (22 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=427e59f09fdba387547106de7bab980b7fff77be
References : http://marc.info/?l=linux-kernel&m=122441671421326&w=4
Handled-By : Jens Axboe <jens.axboe@xxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11820
Subject : 2.6.27: 0 MHz CPU and wrong system time on AMD Geode system
Submitter : Antipov Dmitry <dmantipov@xxxxxxxxx>
Date : 2008-10-15 6:39 (26 days old)
References : http://marc.info/?l=linux-kernel&m=122405421010969&w=4
Handled-By : Jordan Crouse <jordan.crouse@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11795
Subject : ks959-sir dongle no longer works under 2.6.27 (REGRESSION)
Submitter : Alex Villacis Lasso <avillaci@xxxxxxxxxxxxxxxxxxxxxxx>
Date : 2008-10-20 10:49 (21 days old)
Handled-By : Samuel Ortiz <samuel@xxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11698
Subject : 2.6.27-rc7, freezes with > 1 s2ram cycle
Submitter : Soeren Sonnenburg <kernel@xxxxxx>
Date : 2008-09-29 11:29 (42 days old)
References : http://marc.info/?l=linux-kernel&m=122268780926859&w=4
Handled-By : Rafael J. Wysocki <rjw@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11608
Subject : 2.6.27-rc6 BUG: unable to handle kernel paging request
Submitter : John Daiker <daikerjohn@xxxxxxxxx>
Date : 2008-09-16 23:00 (55 days old)
References : http://marc.info/?l=linux-kernel&m=122160611517267&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11607
Subject : 2.6.27-rc6 ÂBug in tty_chars_in_buffer
Submitter : John Daiker <daikerjohn@xxxxxxxxx>
Date : 2008-09-15 2:26 (56 days old)
References : http://marc.info/?l=linux-kernel&m=122144565514490&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11569
Subject : Panic stop CPUs regression
Submitter : Andi Kleen <andi@xxxxxxxxxxxxxx>
Date : 2008-09-02 13:49 (69 days old)
References : http://marc.info/?l=linux-kernel&m=122036356127282&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11543
Subject : kernel panic: softlockup in tick_periodic() ???
Submitter : Joshua Hoblitt <j_kernel@xxxxxxxxxxx>
Date : 2008-09-11 16:46 (60 days old)
References : http://marc.info/?l=linux-kernel&m=122117786124326&w=4
Handled-By : Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cyrill Gorcunov <gorcunov@xxxxxxxxx>
Ingo Molnar <mingo@xxxxxxx>
Cyrill Gorcunov <gorcunov@xxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11476
Subject : failure to associate after resume from suspend to ram
Submitter : Michael S. Tsirkin <m.s.tsirkin@xxxxxxxxx>
Date : 2008-09-01 13:33 (70 days old)
References : http://marc.info/?l=linux-kernel&m=122028529415108&w=4
Handled-By : Zhu Yi <yi.zhu@xxxxxxxxx>
Dan Williams <dcbw@xxxxxxxxxx>
Jouni Malinen <j@xxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11407
Subject : suspend: unable to handle kernel paging request
Submitter : Vegard Nossum <vegard.nossum@xxxxxxxxx>
Date : 2008-08-21 17:28 (81 days old)
References : http://marc.info/?l=linux-kernel&m=121933974928881&w=4
Handled-By : Rafael J. Wysocki <rjw@xxxxxxx>
Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Pavel Machek <pavel@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11404
Subject : BUG: in 2.6.23-rc3-git7 in do_cciss_intr
Submitter : rdunlap <randy.dunlap@xxxxxxxxxx>
Date : 2008-08-21 5:52 (81 days old)
References : http://marc.info/?l=linux-kernel&m=121929819616273&w=4
http://marc.info/?l=linux-kernel&m=121932889105368&w=4
Handled-By : Miller, Mike (OS Dev) <Mike.Miller@xxxxxx>
James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11380
Subject : lockdep warning: cpu_add_remove_lock at:cpu_maps_update_begin+0x14/0x16
Submitter : Ingo Molnar <mingo@xxxxxxx>
Date : 2008-08-20 6:44 (82 days old)
References : http://marc.info/?l=linux-kernel&m=121921480931970&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11340
Subject : LTP overnight run resulted in unusable box
Submitter : Alexey Dobriyan <adobriyan@xxxxxxxxx>
Date : 2008-08-13 9:24 (89 days old)
References : http://marc.info/?l=linux-kernel&m=121861951902949&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11308
Subject : tbench regression on each kernel release from 2.6.22 -> 2.6.28
Submitter : Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Date : 2008-08-11 18:36 (91 days old)
References : http://marc.info/?l=linux-kernel&m=121847986119495&w=4
http://marc.info/?l=linux-kernel&m=122125737421332&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11264
Subject : Invalid op opcode in kernel/workqueue
Submitter : Jean-Luc Coulon <jean.luc.coulon@xxxxxxxxx>
Date : 2008-08-07 04:18 (95 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11215
Subject : INFO: possible recursive locking detected ps2_command
Submitter : Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>
Date : 2008-07-31 9:41 (102 days old)
References : http://marc.info/?l=linux-kernel&m=121749737011637&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11209
Subject : 2.6.27-rc1 process time accounting
Submitter : Lukas Hejtmanek <xhejtman@xxxxxxxxxxx>
Date : 2008-07-31 10:43 (102 days old)
References : http://marc.info/?l=linux-kernel&m=121750102917490&w=4
http://lkml.org/lkml/2008/9/30/199
http://marc.info/?l=linux-kernel&m=122470441624295&w=4
Handled-By : Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11207
Subject : VolanoMark regression with 2.6.27-rc1
Submitter : Zhang, Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx>
Date : 2008-07-31 3:20 (102 days old)
References : http://marc.info/?l=linux-kernel&m=121747464114335&w=4
Handled-By : Zhang, Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx>
Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx>
Miao Xie <miaox@xxxxxxxxxxxxxx>

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11865
Subject : WOL for E100 Doesn't Work Anymore
Submitter : roger <rogerx@xxxxxxxxxxxxxxxx>
Date : 2008-10-26 21:56 (15 days old)
Handled-By : Rafael J. Wysocki <rjw@xxxxxxx>
Patch : http://bugzilla.kernel.org/attachment.cgi?id=18646&action=view

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11829
Subject : Kernel 2.6.26.5 -> 2.6.27.2 [USB REGRESSION] (USB -> D_STATE)
Submitter : Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Date : 2008-10-19 11:26 (22 days old)
References : http://marc.info/?l=linux-kernel&m=122441560120027&w=4
Handled-By : Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Mike Isely <isely@xxxxxxxxx>
Patch : http://linuxtv.org/hg/~mcisely/pvrusb2/rev/0bb411d8d2e4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11805
Subject : mounting XFS produces a segfault
Submitter : Tiago Maluta <maluta_tiago@xxxxxxxxxxxx>
Date : 2008-10-21 18:00 (20 days old)
Handled-By : Dave Chinner <dgc@xxxxxxx>
Patch : http://bugzilla.kernel.org/attachment.cgi?id=18397&action=view

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11664
Subject : acpi errors and random freeze on sony vaio sr
Submitter : Giovanni Pellerano <giovanni.pellerano@xxxxxxxxx>
Date : 2008-09-28 03:48 (43 days old)
Patch : http://marc.info/?l=linux-acpi&m=122514341319748&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11505
Subject : oltp ~10% regression with 2.6.27-rc5 on stoakley machine
Submitter : Lin Ming <ming.m.lin@xxxxxxxxx>
Date : 2008-09-04 7:06 (67 days old)
References : http://marc.info/?l=linux-kernel&m=122051202202373&w=4
http://marc.info/?t=122089704700005&r=1&w=4
Handled-By : Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Gregory Haskins <ghaskins@xxxxxxxxxx>
Ingo Molnar <mingo@xxxxxxx>
Patch : http://marc.info/?l=linux-kernel&m=122194673932703&w=4

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 2.6.26 and 2.6.27, unresolved as well as resolved, at:

http://bugzilla.kernel.org/show_bug.cgi?id=11167

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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Next message: Bruno PrÃmont: "Re: [PATCH] Fix crash in viafb due to 4k stack overflow"
Previous message: Rafael J. Wysocki: "[Bug #11207] VolanoMark regression with 2.6.27-rc1"
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