Messages in this thread Patch in this message |  | | | Date | Thu, 9 Jul 2009 00:07:49 +0200 | | From | Jarek Poplawski <> | | Subject | Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused by netem) |
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On Wed, Jul 08, 2009 at 10:44:47PM +0100, Joao Correia wrote: > Hello again Hello!
... > So again, the only thing that stops that freeze is `echo 0 >> > /proc/sys/kernel/timer_migration`. Apologies for pointing you in the > wrong direction.
No problem: the direction is almost right, we only need one U-turn ;-) In case you're not bored or too bored, one little patch to check the other side (after reverting the previous patch).
Thanks, Jarek P. --- kernel/hrtimer.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 9002958..23387e4 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -203,7 +203,7 @@ switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base, int cpu, preferred_cpu = -1; cpu = smp_processor_id(); -#if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP) +#if 0 if (!pinned && get_sysctl_timer_migration() && idle_cpu(cpu)) { preferred_cpu = get_nohz_load_balancer(); if (preferred_cpu >= 0)
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