Messages in this thread | | | Date | Fri, 18 Jun 2004 04:41:32 -0300 | From | Peter Cordes <> | Subject | Re: x86-64: double timer interrupts in recent 2.4.x |
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On Thu, Jun 17, 2004 at 12:26:45PM +0200, Andi Kleen wrote: > On Thu, 17 Jun 2004 10:54:00 +0200 (MEST) > Mikael Pettersson <mikpe@csd.uu.se> wrote: > > > On Wed, 16 Jun 2004 16:28:26 -0300, Peter Cordes wrote: > > > I just noticed that on my Opteron cluster, the nodes that are running 64bit > > >kernels have their clocks ticking at double speed. This happens with > > >Linux 2.4.26, and 2.4.27-pre2 > > > > I had the same problem: 2.4 x86-64 kernels ticking the clock > > twice its normal speed, unless I booted with pci=noacpi. > > > > This got fixed very recently I believe, in a 2.4.27-pre kernel. > > In which one exactly? Most likely it was an ACPI problem/fix. > Len, do you remember fixing such an issue?
It's fixed in 2.4.27-pre3 and later. Coincidentally or not, it was released only 4 days after I mentioned the bug on debian-amd64 and discuss@x86-64. I'd narrow it down further, but kernel.org doesn't have -bk patches for 2.4, and I don't know where to download more fine-grained patch versions.
(BTW, 2.4.27-pre6 doesn't compile without declaring struct task_struct *tsk; in rwsem-spinlock.c:__rwsem_wake_one_writer.)
Thanks for the help.
-- #define X(x,y) x##y Peter Cordes ; e-mail: X(peter@cor , des.ca)
"The gods confound the man who first found out how to distinguish the hours! Confound him, too, who in this place set up a sundial, to cut and hack my day so wretchedly into small pieces!" -- Plautus, 200 BC [unhandled content-type:application/pgp-signature] | |