Re: 2.5.64-mm6: oops in elv_remove_request

From: Jens Axboe (axboe@suse.de)
Date: Fri Mar 14 2003 - 15:33:24 EST

On Fri, Mar 14 2003, Jeremy Fitzhardinge wrote:
> With the version or cdrtools I compiled, I get an instant oops+lockup
> with the above command when running with anticipatory scheduler in
> 2.5.64-mm6 (hand written):
>
> elv_remove_request
> ide_end_request
> cdrom_end_request
> cdrom_decode_status
> cdrom_newpc_intr

--- drivers/block/as-iosched.c~ 2003-03-14 21:32:14.000000000 +0100
+++ drivers/block/as-iosched.c 2003-03-14 21:32:38.000000000 +0100
@@ -1341,6 +1341,8 @@
                         insert_here = ad->dispatch->prev;
 
                 list_add(&rq->queuelist, insert_here);
+ if (arq)
+ RB_CLEAR(&arq->rb_node);
                 
                 if (!list_empty(ad->dispatch) && rq_data_dir(rq) == READ
                         && (ad->antic_status == ANTIC_WAIT_REQ 

-- 
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/

This archive was generated by hypermail 2b29 : Sat Mar 15 2003 - 22:00:41 EST