Re: corruption

Jens Axboe
2000-12-01T13:08:41Z

On Fri, Dec 01 2000, Andrew Morton wrote:
> > > mmmm... choc-chip.
> > >
> > > With the above patch applied the machine crashed after an hour. Crashed
> > > a second time during the e2fsck. gdb backtrace:
> >
> > Very interesting. IDE / SCSI?
>
> hmm.. Overlapping emails.
>
> The crash with e2fsck was easily repeatable with the above patch. Just
> dirty a few buffers and run /sbin/sync. It's due to the __make_request
> queue_head thing which you fixed in test12-pre3. Yes, this was IDE.

Ah ok, I thought this was on test12-pre3.

> However the original problem of a list_del being performed on a wild
> pointer is being seen on SCSI systems. I expect the above patch will
> catch it if it's still happening.

Indeed, and I don't think it's request queue_head related anymore. I
will look forward to seeing a trace, though :-)

--
* Jens Axboe <axboe@suse.de>
* SuSE Labs