dell poweredge 1950 : not rebooting under 6.1 (sometimes) + bce0 issues

[John Baldwin]

On Tuesday 18 July 2006 07:25, Olivier Mueller wrote:
> On Wed, 2006-07-12 at 11:44 +0200, Olivier Mueller wrote:
> > Any guess about what I should try?   I recompiled the kernel
> > with & without apci support or some different options, but it didn't
> > helped yet. 
> 
> Another problem: I wanted to transfer large amount of data (10GB) using
> rsync via the network, and just after 60MB, the network card won't
> answser anymore, and here is what is displayed in dmesg:
> 
> bce0: /usr/src/sys/dev/bce/if_bce.c(4644): Error mapping mbuf into TX
> chain!
> bce0: /usr/src/sys/dev/bce/if_bce.c(4644): Error mapping mbuf into TX
> chain!
> bce0: /usr/src/sys/dev/bce/if_bce.c(4644): Error mapping mbuf into TX
> chain!
> [...]

This sounds like it is out of tx descriptors.  Do you ever get a watchdog 
timeout message?  If not, can you try this patch:

Index: if_bce.c
===================================================================
RCS file: /usr/cvs/src/sys/dev/bce/if_bce.c,v
retrieving revision 1.5
diff -u -r1.5 if_bce.c
--- if_bce.c	12 Jul 2006 23:13:09 -0000	1.5
+++ if_bce.c	18 Jul 2006 18:59:45 -0000
@@ -4391,6 +4391,9 @@
 			DBRUNIF(1, sc->tx_mbuf_alloc--);
 
 			ifp->if_opackets++;
+
+			/* Clear the TX timeout timer. */
+			ifp->if_timer = 0;
 		}
 
 		sc->used_tx_bd--;
@@ -4406,9 +4409,6 @@
 			BUS_SPACE_BARRIER_READ);
 	}
 
-	/* Clear the TX timeout timer. */
-	ifp->if_timer = 0;
-
 	/* Clear the tx hardware queue full flag. */
 	if ((sc->used_tx_bd + BCE_TX_SLACK_SPACE) < USABLE_TX_BD) {
 		DBRUNIF((ifp->if_drv_flags & IFF_DRV_OACTIVE),
@@ -5031,10 +5031,12 @@
 
 	/* DBRUN(BCE_FATAL, bce_breakpoint(sc)); */
 
+	BCE_LOCK(sc);
 	ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 
-	bce_init(sc);
+	bce_init_locked(sc);
 	ifp->if_oerrors++;
+	BCE_UNLOCK(sc);
 
 }
 

-- 
John Baldwin