Re: today's CURRENT lockups

From: Gleb Smirnoff <glebius_at_cell.sick.ru>
Date: Thu, 8 Jul 2004 13:33:09 +0400
On Thu, Jul 08, 2004 at 11:10:51AM +0200, Michael L. Hostbaek wrote:
M> > I got bit by this problem when I tried to do some browsing on my
M> > Thinkpad R40 after my primary (4.10-STABLE) machine lost a disk.
M> > 
M> > It's a July 5th kernel with SCHED_ULE, DDB, INVARIANTS, WITNESS, and
M> > ACPI.
M> 
M> Try to cvsup your sources, and rebuild your kernel. rwatson's commit to
M> sched_ule.c (rev. 1.113) fix this issue for me.

Now I am working with rev. 1.113 and I faced some performance degradation.
Sound from xmms trembles when I start xterm or open a new TAB in mozilla,
unless I give a real time priority to xmms. No CPU consumers are working at
this moment, LA is 0.

Yesterday I was working on a buggy revision of 1.113, but compiled without
'#define PREEMPTION'. There were no performance problems.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE
Received on Thu Jul 08 2004 - 07:33:13 UTC

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