On Fri, Mar 16, 2012 at 03:22:33PM +0000, Joe Thornber wrote: > + default: > + DMERR("discard: find block unexpectedly returned %d\n", r); What can trigger that? - Is it really BUG() or /* NOTREACHED */ perhaps? Similar question applies to (existing) process_bio(). Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel