From mboxrd@z Thu Jan 1 00:00:00 1970 From: sshaiju@mvista.com (shaiju) Date: Sat, 15 Oct 2011 01:25:22 +0000 (UTC) Subject: Oops #817 on ARM MPCore with 2.6.22-rc3 References: <46656DE4.2040406@ccrl-nece.de> <20070605144122.GD26519@flint.arm.linux.org.uk> <466690C0.7060500@ccrl-nece.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Joerg Wagner ccrl-nece.de> writes: > > > One more patch worth testing is: > > > > http://www.linux-arm.org/git?p=linux- 2.6.git;a=commitdiff_plain;h=3fe656e0dece808ae1de97f98a2e917c46573beb > > That one looks very interesting indeed. > However I cannot find any information about the mentioned errata. > Sadly enough the workaround presented here uses privileged access to CP15 which might fix the kernel but > userspace programs are left out. > > If someone can put more light into this I would be glad to hear about it. > At the first glance it seems to add artificial idle cycles to all operations based on ldrex/strex > combination, but why are they coupled to the processor id ? Isn't there a chance that a process/threads > gets moved to another processor when running code in kernel space (when running the idle loop), given a > preemptive kernel. > > Regards ! > > Joerg > Hi wanger, Did this problem got solved . What was the solution . I am getting similar Error . regards, shaiju > ------------------------------------------------------------------- > List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel > FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php > Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php > >