2.6.28-rc6-git1: Reported regressions from 2.6.27

From: Rafael J. Wysocki
Date: Sat Nov 22 2008 - 17:26:06 EST

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This message contains a list of some regressions from 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 from 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
----------------------------------------
2008-11-22 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=12064
Subject : [regression] Measured 688 cycles TSC warp; marking TSC unstable
Submitter : Frans Pop <elendil@xxxxxxxxx>
Date : 2008-11-16 19:27:43 (7 days old)
References : http://marc.info/?l=linux-kernel&m=122686370308852&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12061
Subject : snd_hda_intel: power_save: sound cracks on powerdown
Submitter : Jens Weibler <bugzilla-kernel@xxxxxxxxxxxxxxx>
Date : 2008-11-18 12:07 (5 days old)
Handled-By : Takashi Iwai <tiwai@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12034
Subject : snd-hda-intel on Realtek ALC268 chip shows only Master volume (for playback)
Submitter : Sergey <azure@xxxxxxxxxxx>
Date : 2008-11-15 04:20 (8 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12031
Subject : DRM enabled kernel hangs hard on resume on x60
Submitter : Jens Axboe <jens.axboe@xxxxxxxxxx>
Date : 2008-11-12 18:42 (11 days old)
References : http://marc.info/?l=linux-kernel&m=122651551216820&w=4
Handled-By : Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12028
Subject : i915 DRM is broken in 2.6.28-rc4
Submitter : Adam Tkac <vonsch@xxxxxxxxx>
Date : 2008-11-14 01:50 (9 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11996
Subject : Tracing framework regression in 2.6.28-rc3
Submitter : Pekka Paalanen <pq@xxxxxx>
Date : 2008-11-09 10:13 (14 days old)
References : http://marc.info/?l=linux-kernel&m=122624392229317&w=4
Handled-By : Steven Rostedt <rostedt@xxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11970
Subject : gettimeofday return a old time in mmbench
Submitter : alexs <alex.shi@xxxxxxxxx>
Date : 2008-11-06 23:57 (17 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=99ebcf8285df28f32fd2d1c19a7166e70f00309c
Handled-By : Ingo Molnar <mingo@xxxxxxx>
Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Yanmin Zhang <yanmin_zhang@xxxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11965
Subject : regression introduced by - timers: fix itimer/many thread hang
Submitter : Doug Chapman <doug.chapman@xxxxxx>
Date : 2008-11-06 11:03 (17 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f06febc96ba8e0af80bcc3eaec0a109e88275fac
References : http://marc.info/?l=linux-kernel&m=122596943416648&w=4
Handled-By : Frank Mayhar <fmayhar@xxxxxxxxxx>
Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Ingo Molnar <mingo@xxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11958
Subject : [2.6.27.x => 2.6.28-rc3] Xorg crash with xf86MapVidMem error
Submitter : Tomasz Chmielewski <tch@xxxxxxxx>
Date : 2008-11-05 05:37 (18 days old)

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11947
Subject : 2.6.28-rc VC switching with Intel graphics broken
Submitter : Romano Giannetti <romano.giannetti@xxxxxxxxx>
Date : 2008-11-03 12:10 (20 days old)
Handled-By : Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11913
Subject : USB/INPUT: slab error in cache_alloc_debugcheck_after(): double free?
Submitter : Helge Deller <deller@xxxxxx>
Date : 2008-10-30 23:11 (24 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cb8f488c33539f096580e202f5438a809195008f
References : http://marc.info/?l=linux-kernel&m=122540833301394&w=4
Handled-By : Jiri Kosina <jkosina@xxxxxxx>
Jiri Slaby <jirislaby@xxxxxxxxx>
Jiri Kosina <jkosina@xxxxxxx>
Jiri Slaby <jirislaby@xxxxxxxxx>
Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx>

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11906
Subject : 2.6.28-rc2 seems to fail at powering down the monitor when it should
Submitter : Gene Heskett <gene.heskett@xxxxxxxxx>
Date : 2008-10-30 6:39 (24 days old)
References : http://marc.info/?l=linux-kernel&m=122534879721424&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11858
Subject : Timeout regression introduced by 242f9dcb8ba6f68fcd217a119a7648a4f69290e9
Submitter : Tejun Heo <tj@xxxxxxxxxx>
Date : 2008-10-26 9:46 (28 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=242f9dcb8ba6f68fcd217a119a7648a4f69290e9
References : http://marc.info/?l=linux-kernel&m=122501447326698&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11849
Subject : default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems)
Submitter : Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx>
Date : 2008-10-24 12:45 (30 days old)
References : http://marc.info/?l=linux-kernel&m=122485245924125&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11828
Subject : Linux 2.6.27-git3: no SD card reader
Submitter : J.A. MagallÃn <jamagallon@xxxxxxx>
Date : 2008-10-14 0:54 (40 days old)
References : http://marc.info/?l=linux-kernel&m=122394573904699&w=4

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

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12082
Subject : IRQ and MSI allocations broken without sparse irq
Submitter : Jesper Dangaard Brouer <hawk@xxxxxxx>
Date : 2008-11-20 19:48 (3 days old)
References : http://marc.info/?l=linux-kernel&m=122721060501073&w=4
Handled-By : Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Patch : http://marc.info/?l=linux-kernel&m=122722773824802&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12081
Subject : xen: pin correct PGD on suspend
Submitter : Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date : 2008-11-21 10:21 (2 days old)
References : http://marc.info/?l=linux-kernel&m=122726293324850&w=4
Handled-By : Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Patch : http://marc.info/?l=linux-kernel&m=122726293324850&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12047
Subject : ACPI toshiba: only register rfkill if bt is enabled
Submitter : Andrey Borzenkov <arvidjaar@xxxxxxx>
Date : 2008-10-28 19:10 (26 days old)
References : http://marc.info/?l=linux-kernel&m=122522113619025&w=2
Handled-By : Frederik Deweerdt <frederik.deweerdt@xxxxxxxxx>
Patch : http://marc.info/?l=linux-kernel&m=122526843117478&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12038
Subject : Suspend regression in stable kernel 2.6.27.4 on Mac mini Core Duo
Submitter : Tino Keitel <tino.keitel@xxxxxx>
Date : 2008-11-09 20:28 (14 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=66036f5862883fcc9f7ff8550685a5a3de1a57e4
References : http://marc.info/?l=linux-kernel&m=122626258429689&w=4
Handled-By : Rafael J. Wysocki <rjw@xxxxxxx>
Patch : http://marc.info/?l=linux-kernel&m=122661443120581&w=4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12020
Subject : scsi_times_out NULL pointer dereference
Submitter : Bernd Schubert <bs@xxxxxxxxx>
Date : 2008-11-13 10:30 (10 days old)
Handled-By : James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Patch : http://bugzilla.kernel.org/show_bug.cgi?id=12020#c4

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11982
Subject : Fan level 7 after resume wit 2.6.28-rc3
Submitter : Tino Keitel <tino.keitel@xxxxxxxx>
Date : 2008-11-05 7:33 (18 days old)
References : http://marc.info/?l=linux-kernel&m=122587043409186&w=4
Handled-By : Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Patch : http://bugzilla.kernel.org/attachment.cgi?id=18744&action=view

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11925
Subject : cdrom: missing compat ioctls
Submitter : Andreas Schwab <schwab@xxxxxxx>
Date : 2008-10-31 14:02 (23 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=33c2dca4957bd0da3e1af7b96d0758d97e708ef6
Handled-By : Andreas Schwab <schwab@xxxxxxx>
Patch : http://marc.info/?l=linux-kernel&m=122548923531545&w=2

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11898
Subject : mke2fs hang on AIC79 device.
Submitter : alexs <alex.shi@xxxxxxxxx>
Date : 2008-10-30 01:17 (24 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f0c0a376d0fcd4c5579ecf5e95f88387cba85211
Handled-By : James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Mike Christie <michaelc@xxxxxxxxxxx>
Patch : http://bugzilla.kernel.org/show_bug.cgi?id=11898#c28
http://bugzilla.kernel.org/show_bug.cgi?id=11898#c36

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11875
Subject : radeonfb lockup in .28-rc (bisected)
Submitter : James Cloos <cloos@xxxxxxxxxxx>
Date : 2008-10-28 0:00 (26 days old)
First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b1ee26bab14886350ba12a5c10cbc0696ac679bf
References : http://marc.info/?l=linux-kernel&m=122515210200530&w=4
http://lkml.org/lkml/2008/11/10/12
Handled-By : Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Patch : http://lkml.org/lkml/2008/11/10/12

Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11822
Subject : ACPI Warning (nspredef-0858): _SB_.PCI0.LPC_.EC__.BAT0._BIF: Return Package type mismatch at index 9 - found Buffer, expected String [20080926]
Submitter : Len Brown <len.brown@xxxxxxxxx>
Date : 2008-10-25 01:26 (29 days old)
Handled-By : Robert Moore <Robert.Moore@xxxxxxxxx>
Lin Ming <ming.m.lin@xxxxxxxxx>
Patch : http://bugzilla.kernel.org/attachment.cgi?id=18949&action=view

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 from 2.6.27,
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

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Next message: Justin Piszcz: "Re: Question regarding SAS controllers."
Previous message: Rafael J. Wysocki: "[Bug #11822] ACPI Warning (nspredef-0858): _SB_.PCI0.LPC_.EC__.BAT0._BIF: Return Package type mismatch at index 9 - found Buffer, expected String [20080926]"
Next in thread: Rafael J. Wysocki: "[Bug #11822] ACPI Warning (nspredef-0858): _SB_.PCI0.LPC_.EC__.BAT0._BIF: Return Package type mismatch at index 9 - found Buffer, expected String [20080926]"
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