On Wed, 17 Nov 2010 21:05:40 -0500 Mike Viau <viaum@xxxxxxxxxxxxxxx> wrote: > ./mdadm -Ss > > mdadm: stopped /dev/md127 > > > ./mdadm -Asvvv > > mdadm: looking for devices for further assembly > mdadm: no RAID superblock on /dev/dm-3 > mdadm: /dev/dm-3 has wrong uuid. > want UUID-084b969a:0808f5b8:6c784fb7:62659383 > Segmentation fault Try this patch instead please. NeilBrown diff --git a/Assemble.c b/Assemble.c index afd4e60..11e6238 100644 --- a/Assemble.c +++ b/Assemble.c @@ -344,9 +344,17 @@ int Assemble(struct supertype *st, char *mddev, if (ident->uuid_set && (!update || strcmp(update, "uuid")!= 0) && (!tst || !tst->sb || same_uuid(content->uuid, ident->uuid, tst->ss->swapuuid)==0)) { - if (report_missmatch) + if (report_missmatch) { + char buf[200]; fprintf(stderr, Name ": %s has wrong uuid.\n", devname); + fprintf(stderr, " want %s\n", __fname_from_uuid(ident->uuid, 0, buf, ':')); + fprintf(stderr, " tst=%p sb=%p\n", tst, tst?tst->sb:NULL); + if (tst) { + fprintf(stderr, " have %s\n", __fname_from_uuid(content->uuid, 0, buf, ':')); + fprintf(stderr, " metadata=%s\n", tst->ss->name); + } + } goto loop; } if (ident->name[0] && (!update || strcmp(update, "name")!= 0) && -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html