lkml.org 
[lkml]   [2005]   [Aug]   [1]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01
FromDaniel Walker <>
DateMon, 01 Aug 2005 14:20:38 -0700
On Mon, 2005-08-01 at 14:22 -0400, Steven Rostedt wrote:
> Ingo,> > What's with the "BUG: possible soft lockup detected on CPU..."? I'm
> getting a bunch of them from the IDE interrupt.  It's not locking up,
> but it does things that probably do take some time.  Is this really
> necessary? Here's an example dump:> > -- Steve> > Note: I added the curr=%s:%d,current->comm,current->pid just to see who
> was at fault. 

It means that IRQ 14 is running for a long time as an RT task .. btw,
the curr=%s:%d information duplicates some in the "show all held locks"
section .

I could base it off current_sched_time() to only trigger if the task has
actually been running for 10 seconds, instead of just assuming that it
has..

Daniel

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-08-01 23:30    [from the cache]
©2003-2008