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This message contains a list of some regressions from 2.6.35, 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 regressions from 2.6.35, 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 ---------------------------------------- 2010-10-17 70 27 27 2010-10-10 56 16 15 2010-10-03 52 16 14 2010-09-26 46 15 13 2010-09-20 38 15 15 2010-09-12 28 14 13 2010-08-30 21 16 15 Unresolved regressions ---------------------- Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20472 Subject : [2.6.35.5 -> .7] INFO: task rpcbind:14163 blocked for more than 120 seconds. Submitter : Pawel Sikora <pluto@agmk.net> Date : 2010-10-15 15:02 (3 days old) Message-ID : <201010151702.15675.pluto@agmk.net> References : http://marc.info/?l=linux-kernel&m=128715683507549&w=2 Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20462 Subject : 2.6.36-rc7-git2 - panic/GPF: e1000e/vlans? Submitter : Nikola Ciprich <extmaillist@linuxbox.cz> Date : 2010-10-15 7:10 (3 days old) Message-ID : <20101015071008.GA8714@pcnci.linuxbox.cz> References : http://marc.info/?l=linux-kernel&m=128712984831303&w=2 Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20352 Subject : Fwd: Re: UML kernel crash of v2.6.36-rcX kernel Submitter : Toralf Förster <toralf.foerster@gmx.de> Date : 2010-10-13 11:28 (5 days old) First-Bad-Commit: ...
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16951 Subject : hackbench regression with 2.6.36-rc1 Submitter : Zhang, Yanmin <yanmin_zhang@linux.intel.com> Date : 2010-08-18 6:18 (61 days old) Message-ID : <1282112318.21202.8.camel@ymzhang.sh.intel.com> References : http://marc.info/?l=linux-kernel&m=128211235904910&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19002 Subject : Radeon rv730 AGP/KMS/DRM kernel lockup Submitter : Duncan <1i5t5.duncan@cox.net> Date : 2010-09-23 16:48 (25 days old) --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=17061 Subject : 2.6.36-rc1 on zaurus: bluetooth regression Submitter : Pavel Machek <pavel@ucw.cz> Date : 2010-08-21 15:24 (58 days old) Message-ID : <20100821152445.GA1536@ucw.cz> References : http://marc.info/?l=linux-kernel&m=128240433828087&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=17121 Subject : Two blank rectangles more than 10 cm long when booting Submitter : Eric Valette <eric.valette@free.fr> Date : 2010-08-26 17:24 (53 days old) --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16971 Subject : qla4xxx compile failure on 32-bit PowerPC: missing readq and writeq Submitter : Meelis Roos <mroos@linux.ee> Date : 2010-08-19 21:03 (60 days old) Message-ID : <<alpine.SOC.1.00.1008192359310.19654@math.ut.ee>> References : http://marc.info/?l=linux-kernel&m=128225184900892&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=17361 Subject : Random kmemcheck errors and kernel freeze on 2.6.36-rc* Submitter : Christian Casteyde <casteyde.christian@free.fr> Date : 2010-08-29 19:59 (50 days old) --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19802 Subject : [drm:init_ring_common] *ERROR* render ring head not reset to zero Submitter : Thomas Meyer <thomas@m3y3r.de> Date : 2010-10-04 20:31 (14 days old) Message-ID : <201010042231.20320.thomas@m3y3r.de> References : http://marc.info/?l=linux-kernel&m=128622441331199&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19392 Subject : WARNING: at drivers/net/wireless/ath/ath5k/base.c:3475 ath5k_bss_info_changed+0x44/0x168 [ath5k]() Submitter : Justin Mattock <justinmattock@gmail.com> Date : 2010-09-28 22:30 (20 days old) Message-ID : <AANLkTim5WCGKPvEkOkO_YnMF9pg8mvLfQoFBNUFpfa_k@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128571307018635&w=2 --
yeah it's still here...(I can try and play with this, but who knows..) Justin P. Mattock --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19782 Subject : 2.6.36-rc6-git2 -- BUG dentry: Poison overwritten (after resume from hibernation) Submitter : Miles Lane <miles.lane@gmail.com> Date : 2010-10-03 3:54 (15 days old) Message-ID : <AANLkTimrqtzBHAZSuDhEs_3CKA6pCbM35b1BtKH=MvC_@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128607809314079&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19142 Subject : Screen flickers when switching from the console to X Submitter : Andrey Rahmatullin <wrar@altlinux.org> Date : 2010-09-27 12:05 (21 days old) --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19632 Subject : 2.6.36-rc6: modprobe Not tainted warning Submitter : Heinz Diehl <htd@fritha.org> Date : 2010-09-30 18:25 (18 days old) Message-ID : <20100930182516.GA15089@fritha.org> References : http://marc.info/?l=linux-kernel&m=128587114004680&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20182 Subject : 2.6.36-rc7: NULL pointer dereference in ehci_clear_tt_buffer_complete Submitter : Stefan Richter <stefanr@s5r6.in-berlin.de> Date : 2010-10-11 20:56 (7 days old) Message-ID : <tkrat.9f585ea47331a2a2@s5r6.in-berlin.de> References : http://marc.info/?l=linux-kernel&m=128683064431749&w=2 --
The bug could not be reproduced so far but might be real nonetheless. Alan Stern proposed a fix patch: <Pine.LNX.4.44L0.1010131011160.2311-100000@iolanthe.rowland.org> http://lkml.org/lkml/2010/10/13/178 -- Stefan Richter -=====-==-=- =-=- =---= http://arcgraph.de/sr/ --
Thanks, I've updated the bug with the patch information. Rafael --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20472 Subject : [2.6.35.5 -> .7] INFO: task rpcbind:14163 blocked for more than 120 seconds. Submitter : Pawel Sikora <pluto@agmk.net> Date : 2010-10-15 15:02 (3 days old) Message-ID : <201010151702.15675.pluto@agmk.net> References : http://marc.info/?l=linux-kernel&m=128715683507549&w=2 --
hi, hot news from the front, recent tests on the pld-linux.org vendor kernel show that the random task blocking in 2.6.35.7 during medium/heavy load (~4..25) is related to the grsecurity patch. we'll forward problem report to the grsec maintainer asap... --
So, to make things clear, this is not a mainline kernel issue, is it? Rafael --
i thought that was a grsecurity issue but now i have a testcase that casues task blocking on my machine with the vanilla 2.6.35.7 kernel: steps to repoduce: on console 1: - run 'make -j32' in kernel tree and wait several second for make forks and medium system load (~15). on console 2: - run 'sync' from root account to bump load more. on console 3: - observe 'tail -f /var/log/kernel' for blocking issues. [ 360.517917] INFO: task sync:6712 blocked for more than 120 seconds. [ 360.517920] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 360.517922] sync D 00000000ffff4c7c 0 6712 2770 0x00000000 [ 360.517926] ffff88021ac71d18 0000000000000086 ffff880200000000 0000000000004000 [ 360.517930] 0000000000013700 0000000000013700 ffff88021ac71fd8 ffff88021ac71fd8 [ 360.517933] ffff880205593020 0000000000013700 ffff88021ac71fd8 0000000000004000 [ 360.517936] Call Trace: [ 360.517944] [<ffffffff813b8dbd>] schedule_timeout+0x20d/0x2f0 [ 360.517949] [<ffffffff8103baba>] ? enqueue_entity+0xea/0x170 [ 360.517951] [<ffffffff8103bc09>] ? enqueue_task_fair+0x49/0x50 [ 360.517954] [<ffffffff813b8945>] wait_for_common+0xc5/0x150 [ 360.517957] [<ffffffff81040430>] ? default_wake_function+0x0/0x10 [ 360.517959] [<ffffffff813b8a78>] wait_for_completion+0x18/0x20 [ 360.517963] [<ffffffff8113b343>] sync_inodes_sb+0x83/0x170 [ 360.517967] [<ffffffff8113f890>] ? sync_one_sb+0x0/0x20 [ 360.517969] [<ffffffff8113f880>] __sync_filesystem+0x80/0x90 [ 360.517972] [<ffffffff8113f8ab>] sync_one_sb+0x1b/0x20 [ 360.517975] [<ffffffff8111d2c7>] iterate_supers+0x77/0xc0 [ 360.517978] [<ffffffff8113f7bb>] sync_filesystems+0x1b/0x20 [ 360.517980] [<ffffffff8113f92c>] sys_sync+0x1c/0x40 [ 360.517984] [<ffffffff81002d6b>] system_call_fastpath+0x16/0x1b the 'make' is running on ext4 filesystem with underlying mdadm (raid10) created from 2 caviar raid edition disks. the cpu is intel quad core Q9300 with 8GB of ddr2 ram. --
So, how is this related to the original report? Rafael --
it's easier to reproduce on single test machine (no need to playing with parallel make and nfs).
in fact this isn't a 2.6.35.5->.7 regression but 2.6.34->2.6.35. the git-bisect found
first commit that introduces the 'sync' task blocking problem here:
commit 7c8a3554c683f512dbcee26faedb42e4c05f12fa
Author: Jens Axboe <jens.axboe@oracle.com>
Date: Tue May 18 14:29:29 2010 +0200
writeback: ensure that WB_SYNC_NONE writeback with sb pinned is sync
Even if the writeout itself isn't a data integrity operation, we need
to ensure that the caller doesn't drop the sb umount sem before we
have actually done the writeback.
This is a fixup for commit e913fc82.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
i'll try to revert this patch from the 2.6.35.7 and test make+nfs in few days...
--
OK, thanks. Jens added to the CC list. Rafael --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20352 Subject : Fwd: Re: UML kernel crash of v2.6.36-rcX kernel Submitter : Toralf Förster <toralf.foerster@gmx.de> Date : 2010-10-13 11:28 (5 days old) First-Bad-Commit: http://git.kernel.org/linus/365b18189789bfa1acd9939e6312b8a4b4577b28 Message-ID : <201010131328.06465.toralf.foerster@gmx.de> References : http://marc.info/?l=linux-kernel&m=128696930132503&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20342 Subject : [LogFS] [2.6.36-rc7] Deadlock in logfs_get_wblocks, hold and wait on same lock super->s_write_mutex Submitter : Prasad Joshi <prasadjoshi124@gmail.com> Date : 2010-10-13 9:49 (5 days old) Message-ID : <AANLkTinvsMxTxEbDEFmb5M-6fYjdRvErU==Zs7+qANkV@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128696335024718&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20462 Subject : 2.6.36-rc7-git2 - panic/GPF: e1000e/vlans? Submitter : Nikola Ciprich <extmaillist@linuxbox.cz> Date : 2010-10-15 7:10 (3 days old) Message-ID : <20101015071008.GA8714@pcnci.linuxbox.cz> References : http://marc.info/?l=linux-kernel&m=128712984831303&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20032 Subject : 2.6.36-rc7 continuos kernel panics due to of cpu_idle (and cpu_intel_idle) Submitter : Patrizio Bassi <patrizio.bassi@gmail.com> Date : 2010-10-08 18:23 (10 days old) Message-ID : <AANLkTi=2irM5tM2rNC5wHVV=Nw4cs_CK59pvXDD+Y5Dz@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128656222919323&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20162 Subject : [LogFS][2.6.36.rc7+] Kernel BUG at readwrite.c:1193 Submitter : Prasad Joshi <prasadjoshi124@gmail.com> Date : 2010-10-10 17:44 (8 days old) Message-ID : <AANLkTi=JkcuWBPo+X-i+9o-BJFVqjea1J3e=Mr=HvAWF@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128673196203340&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20172 Subject : Lenovo S12 2.6.36-rc7 lockup Submitter : Chris Vine <chris@cvine.freeserve.co.uk> Date : 2010-10-10 12:59 (8 days old) Message-ID : <20101010135912.76eb61b7@boulder.homenet> References : http://marc.info/?l=linux-kernel&m=128671620721712&w=2 --
On Sun, 17 Oct 2010 22:21:44 +0200 (CEST) This bug is still present in 2.6.36-rc8. Chris --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20322 Subject : 2.6.36-rc7: inconsistent lock state: inconsistent {IN-RECLAIM_FS-R} -> {RECLAIM_FS-ON-W} usage. Submitter : Dave Jones <davej@redhat.com> Date : 2010-10-11 20:10 (7 days old) Message-ID : <20101011201007.GA29707@redhat.com> References : http://marc.info/?l=linux-kernel&m=128682782828453&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20332 Subject : [LogFS] [2.6.36-rc7] Kernel BUG at lib/btree.c:465! Submitter : Prasad Joshi <prasadjoshi124@gmail.com> Date : 2010-10-12 18:56 (6 days old) Message-ID : <AANLkTimAbCZNhLQ5nADUiAC+7JpAeJBEmjFwdxyZ-FxO@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128690910501830&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20232 Subject : kworker consumes ~100% CPU on HP Elitebook 8540w running 2.6.36_rc6-git4 Submitter : Ozan Caglayan <ozan@pardus.org.tr> Date : 2010-10-13 06:13 (5 days old) --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20022 Subject : "do_IRQ: 0.89 No irq handler for vector (irq -1)" Submitter : Dave Airlie <airlied@gmail.com> Date : 2010-10-07 8:55 (11 days old) Message-ID : <AANLkTikZj21CtFwC2ttvc0wJPx2qyedn7b1xXaxH659E@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128644173420501&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19862 Subject : [REGRESSION] no sound on T60 laptop (HDA Intel) Submitter : Miklos Szeredi <miklos@szeredi.hu> Date : 2010-10-05 9:25 (13 days old) Message-ID : <E1P33mT-0003qa-Fv@pomaz-ex.szeredi.hu> References : http://marc.info/?l=linux-kernel&m=128627079921512&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19372 Subject : 2.6.36-rc6: WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:235 radeon_fence_wait+0x35a/0x3c0 Submitter : Alexey Dobriyan <adobriyan@gmail.com> Date : 2010-09-29 21:29 (19 days old) Message-ID : <20100929212923.GA5578@core2.telecom.by> References : http://marc.info/?l=linux-kernel&m=128579579400315&w=2 --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19072 Subject : [2.6.36-rc regression] occasional complete system hangs on sparc64 SMP Submitter : Mikael Pettersson <mikpe@it.uu.se> Date : 2010-09-23 17:02 (25 days old) Message-ID : <<19611.34846.813757.309183@pilspetsen.it.uu.se>> References : http://marc.info/?l=linux-kernel&m=128526136531048&w=2 --
I've not been able to reproduce it yet with 2.6.36-rc7, but there's been no known recent bugfix in this area so whether the bug is fixed or not is unknown. If I've not been able to reproduce it on -rc7 or -rc8 after next weekend we could close the bug. --
OK, please close the bug when you think it's time or let me know if you can't close it yourself. Thanks, Rafael --
This message has been generated automatically as a part of a summary report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.35. Please verify if it still should be listed and let the tracking team know (either way). Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19052 Subject : 2.6.36-rc5-git1 -- [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking Submitter : Miles Lane <miles.lane@gmail.com> Date : 2010-09-22 23:47 (26 days old) Message-ID : <AANLkTikWQjUQjFJU9MO1+XbSLAEE-GARz+S+Dz2Fgu4h@mail.gmail.com> References : http://marc.info/?l=linux-kernel&m=128519926626322&w=2 --
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