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 ---------------------------------------- 2008-11-02 195 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=11876 Subject : RCU hang on cpu re-hotplug with 2.6.27rc8 Submitter : Andi Kleen <andi@xxxxxxxxxxxxxx> Date : 2008-10-06 23:28 (28 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 (12 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 (13 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=11832 Subject : 2.6.27: "irq 18: nobody cared" on Toshiba Satellite A100 Submitter : M. Vefa Bicakci <bicave@xxxxxxxxxxxxxxx> Date : 2008-10-19 14:06 (15 days old) References : http://marc.info/?l=linux-kernel&m=122442552100406&w=4 Handled-By : Stefan Assmann <sassmann@xxxxxxx> 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 (15 days old) 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 (19 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 (14 days old) Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11699 Subject : 2.6.27-rc-7: BUG: scheduling while atomic, c1e_idle+0x98/0xe0 Submitter : Prakash Punnoor <prakash@xxxxxxxxxx> Date : 2008-09-28 17:45 (36 days old) References : http://marc.info/?l=linux-kernel&m=122262403415629&w=4 Handled-By : Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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 (35 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=11664 Subject : acpi errors and random freeze on sony vaio sr Submitter : Giovanni Pellerano <giovanni.pellerano@xxxxxxxxx> Date : 2008-09-28 03:48 (36 days old) 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 (48 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 Bug in tty_chars_in_buffer Submitter : John Daiker <daikerjohn@xxxxxxxxx> Date : 2008-09-15 2:26 (49 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 (62 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 (53 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> 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 (63 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 (74 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 (74 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 (75 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 (82 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 (84 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=11272 Subject : BUG: parport_serial in 2.6.27-rc1 for NetMos Technology PCI 9835 Submitter : Jaswinder Singh <jaswinderlinux@xxxxxxxxx> Date : 2008-08-05 15:12 (90 days old) References : http://marc.info/?l=linux-kernel&m=121794900319776&w=4 Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11271 Subject : BUG: fealnx in 2.6.27-rc1 Submitter : Jaswinder Singh <jaswinderlinux@xxxxxxxxx> Date : 2008-08-05 14:58 (90 days old) References : http://marc.info/?l=linux-netdev&m=121794762016830&w=4 http://lkml.org/lkml/2008/8/10/98 Handled-By : Francois Romieu <romieu@xxxxxxxxxxxxx> 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 (88 days old) Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11220 Subject : Screen stays black after resume Submitter : Nico Schottelius <nico@xxxxxxxxxxxxxxx> Date : 2008-07-31 21:05 (95 days old) References : http://marc.info/?l=linux-kernel&m=121753882422899&w=4 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 (95 days old) References : http://marc.info/?l=linux-kernel&m=121749737011637&w=4 Handled-By : Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11210 Subject : IRQ routing badness Submitter : Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx> Date : 2008-07-31 18:53 (95 days old) References : http://marc.info/?l=linux-ide&m=121753059307310&w=4 Handled-By : Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx> 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 (95 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 (95 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=11907 Subject : NVRAM being corrupted on ppc64 preventing boot Submitter : Mel Gorman <mel@xxxxxxxxx> Date : 2008-10-30 14:26 (4 days old) References : http://marc.info/?l=linux-kernel&m=122537727204584&w=4 Handled-By : Paul Mackerras <paulus@xxxxxxxxx> Mel Gorman <mel@xxxxxxxxx> Patch : http://marc.info/?l=linux-kernel&m=122547833412996&w=4 Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11904 Subject : upstream regression (IO-APIC?) Submitter : Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> Date : 2008-10-30 0:00 (4 days old) References : http://marc.info/?l=linux-kernel&m=122532510328618&w=4 Patch : http://marc.info/?l=linux-kernel&m=122563711522315&w=4 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 (15 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 (13 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=11550 Subject : pnp: Huge number of "io resource overlap" messages Submitter : Frans Pop <elendil@xxxxxxxxx> Date : 2008-09-09 10:50 (55 days old) References : http://marc.info/?l=linux-kernel&m=122095745403793&w=4 Handled-By : Rene Herman <rene.herman@xxxxxxxxxxxx> Bjorn Helgaas <bjorn.helgaas@xxxxxx> Patch : http://marc.info/?l=linux-kernel&m=122246533505643&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 (60 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 -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html