If you use rds-ping of the local IP address of some Infiniband HCAs (QLogic, possibly others) the machine will panic with a BUG_ON due to an overly restrictive check. Loosen the restriction a bit
This should have gotten sent a while ago (it was first noticed in https://bugzilla.redhat.com/show_bug.cgi?id=803936 and patched in kernel-2.6.32-275.el6) but I got confused about its embargo status and lost it. Signed-off-by: Jay Fenlason <[email protected]> diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c index e590949..7920c85 100644 --- a/net/rds/ib_send.c +++ b/net/rds/ib_send.c @@ -544,7 +544,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, int flow_controlled = 0; int nr_sig = 0; - BUG_ON(off % RDS_FRAG_SIZE); + BUG_ON(!conn->c_loopback && off % RDS_FRAG_SIZE); BUG_ON(hdr_off != 0 && hdr_off != sizeof(struct rds_header)); /* Do not send cong updates to IB loopback */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
