On Wed, May 25, 2011 at 11:15 PM, Mulyadi Santosa <mulyadi.santosa@gmail.com> wrote:

Hi...

On Wed, May 25, 2011 at 16:32, sri <bskmohan@gmail.com> wrote:
> kernel BUG at kernel/workqueue.c:113!

from http://lxr.linux.no/#linux+v2.6.18/kernel/workqueue.c, lines around 113:
int fastcall queue_work(struct workqueue_struct *wq, struct work_struct *work)
107{
108 int ret = 0, cpu = get_cpu();
109
110 if (!test_and_set_bit(0, &work->pending)) {
111 if (unlikely(is_single_threaded(wq)))
112 cpu = singlethread_cpu;
113 BUG_ON(!list_empty(&work->entry));
114 __queue_work(per_cpu_ptr(wq->cpu_wq, cpu), work);
115 ret = 1;
116 }
117 put_cpu();
118 return ret;
119}

So, if I interpret it correctly, that BUG_ON line means that if
work->entry is not empty or null, then it is a bug.

Not sure what causes that, but it could be simply due to failure of
"work" initialization (as work_struct) somewhere...

--
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com