lkml.org 
[lkml]   [2008]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: deadlocks if use htb
On Thu, Dec 11, 2008 at 08:46:06AM +0000, Jarek Poplawski wrote:
> On Wed, Dec 10, 2008 at 06:14:28PM +0300, Badalian Vyacheslav wrote:
> > Hello again! Sorry for long away.
> Hi!
>
> > I was go away from this work for long time.
> >
> > May we return to this bug?
> > Servers at last stable kernel 2.6.27.8
> > HZ=1000, HR=off, DynamicTicks=off, hysteresis=1
> > Sorry - no patched, update do not i. Do you have fresh patches or ideas
> > for tests?
>
> Not much, but I can have if you only are willing to test them...
> I attach below a patch which combines 2 patches I sent yesterday to
> netdev (PATCH 7/6 and 8/6) vs. 2.6.27.7 (named testing patch #3 here).
>
> You can still try the testing patch #2 I sent previously (quoted below)
> with or without this new #3 patch.
>

Here is another idea worth checking (instead of patch #2).

Jarek P.

--- (testing patch #4)
diff -Nurp a2.6.27.7/net/sched/sch_htb.c b2.6.27.7/net/sched/sch_htb.c
--- a2.6.27.7/net/sched/sch_htb.c 2008-12-11 08:16:16.000000000 +0000
+++ b2.6.27.7/net/sched/sch_htb.c 2008-12-15 10:44:32.000000000 +0000
@@ -924,6 +924,7 @@ static struct sk_buff *htb_dequeue(struc
}
}
sch->qstats.overlimits++;
+ qdisc_watchdog_cancel(&q->watchdog);
qdisc_watchdog_schedule(&q->watchdog, next_event);
fin:
return skb;

\
 
 \ /
  Last update: 2008-12-15 12:15    [from the cache]
©2003-2011 Jasper Spaans