3.1-rc3-git6: Reported regressions from 3.0

Rafael J. Wysocki rjw at sisk.pl
Sun Aug 28 11:22:05 PDT 2011

This message contains a list of some regressions from 3.0,
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 3.0, 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
  2011-08-28        8        4           4

Unresolved regressions

Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=41742
Subject		: duplicate filename  for intel_backlight with the i915 driver
Submitter	: François Valenduc <francois.valenduc at tvcablenet.be>
Date		: 2011-08-25 18:51 (4 days old)
First-Bad-Commit: http://git.kernel.org/linus/aaa6fd2a004147bf32fce05720938236de3361d9

Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=41512
Subject		: 3.1-rc2 failed s2ram: Freezing of tasks failed after 20.00 seconds
Submitter	: Carlos R. Mafra <crmafra2 at gmail.com>
Date		: 2011-08-16 9:42 (13 days old)
Message-ID	: <20110816094245.GA2042 at Pilar.site>
References	: http://marc.info/?l=linux-kernel&m=131348782017435&w=2

Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=41502
Subject		: cfq-iosched: a regression
Submitter	: Shaohua Li <shaohua.li at intel.com>
Date		: 2011-08-16 2:47 (13 days old)
Message-ID	: <1313462826.27321.22.camel at sli10-conroe>
References	: http://marc.info/?l=linux-kernel&m=131346279329911&w=2

Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=41442
Subject		: rcu_sched_state detected stall on CPU 0, when booting on Xen
Submitter	: Witold Baryluk <baryluk at smp.if.uj.edu.pl>
Date		: 2011-08-21 04:06 (8 days old)

Regressions with patches

For details, please visit the bug entries and follow the links given in

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 3.0,
unresolved as well as resolved, at:


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


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