Messages in this thread | | | Date | Wed, 24 Nov 2004 22:18:00 +0100 | From | Jens Axboe <> | Subject | Re: 2.6.10-rc2-bk7 - kernel BUG at fs/sysfs/file.c:87! |
| |
On Wed, Nov 24 2004, Maneesh Soni wrote: > On Wed, Nov 24, 2004 at 07:26:43PM +0000, Christopher S. Aker wrote: > > Doing "cat /sys/block/sda/queue/iosched/show_status" produces the following BUG: > > > > ------------[ cut here ]------------ > > kernel BUG at fs/sysfs/file.c:87! > > I think you are using cfq io scheduler. show_status is from cfq_ioched. Looks > like return value freom cfq_status_show() is going beyond one page. > read/write buffer for sysfs text attribute files is limited to one page.
Yeah, with many processes that is easy to hit. I dunno how to fix it yet, is it possible to combine sysfs with the seq stuff? The file should just be deleted, though.
-- Jens Axboe
- 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/
| |