[5/6] 2.6.21-rc4: known regressions

Adrian Bunk
2007-03-18T18:49:38Z

This email lists some known regressions in Linus' tree compared to 2.6.20.

If you find your name in the Cc header, you are either submitter of one
of the bugs, maintainer of an affectected subsystem or driver, a patch
of you caused a breakage or I'm considering you in any other way
possibly involved with one or more of these issues.

Due to the huge amount of recipients, please trim the Cc when answering.

Subject : Dynticks and High resolution Timer hanging the system
workaround: clocksource=acpi_pm
References : http://lkml.org/lkml/2007/3/7/504
Submitter : Stephane Casset <sept@logidee.com>
Caused-By : Thomas Gleixner <tglx@linutronix.de>
Status : unknown

Subject : soft lockup detected on CPU#0
References : http://lkml.org/lkml/2007/3/3/152
Submitter : Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Handled-By : Thomas Gleixner <tglx@linutronix.de>
Ingo Molnar <mingo@elte.hu>
Status : unknown

Subject : dynticks makes ksoftirqd1 use unreasonable amount of cpu time
References : http://bugzilla.kernel.org/show_bug.cgi?id=8100
Submitter : Emil Karlson <jkarlson@cc.hut.fi>
Handled-By : Thomas Gleixner <tglx@linutronix.de>
Status : problem is being debugged

Subject : i386: APIC timer disabled due to verification failure
(once in three boots or so)
References : http://lkml.org/lkml/2007/3/16/126
Submitter : Maxim Levitsky <maximlevitsky@gmail.com>
Handled-By : Thomas Gleixner <tglx@linutronix.de>
Patch : http://lkml.org/lkml/2007/3/16/420
Status : patch available