Messages in this thread | | | Date | Sat, 10 Sep 2011 10:41:23 +0200 | From | Frank van Maarseveen <> | Subject | Re: 3.0.3 kernel BUG at kernel/timer.c:1035 |
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On Fri, Sep 09, 2011 at 10:21:36PM +0800, Lin Ming wrote: > On Thu, Sep 8, 2011 at 5:30 AM, Andrew Morton <akpm@linux-foundation.org> wrote:
(...)
> > > > Probably this will "fix" it: > > Frank, > > Does Andrew's patch help? > > Lin Ming > > > > > --- a/block/blk-sysfs.c~a > > +++ a/block/blk-sysfs.c > > @@ -4,6 +4,7 @@ > > #include <linux/kernel.h> > > #include <linux/slab.h> > > #include <linux/module.h> > > +#include <linux/timer.h> > > #include <linux/bio.h> > > #include <linux/blkdev.h> > > #include <linux/blktrace_api.h> > > @@ -486,7 +487,7 @@ static void blk_release_queue(struct kob > > __blk_queue_free_tags(q); > > > > blk_trace_shutdown(q); > > - > > + del_timer_sync(&q->backing_dev_info.wb.wakeup_timer); > > bdi_destroy(&q->backing_dev_info); > > kmem_cache_free(blk_requestq_cachep, q); > > } > > _ > >
I have no physical access to the machines showing the issue for a day or 10 and it appears to be not very reproducable on my own machines: I got only one trace so far (with a pristine 3.0.4 tree). I try to make it more reproducable before trying out the above patch. So, it will take some time before I have conclusive information on this.
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