Author: silby
Date: Wed Sep 5 06:51:28 2012
New Revision: 240128
URL: http://svn.freebsd.org/changeset/base/240128
Log:
Only stop the BXE controller if it was first started. Stopping
an uninitialized controller can cause IPMI bus errors on some
systems.
Reviewed by: yongari
Obtained from: McAfee, Inc.
MFC after: 2 weeks
Modified:
head/sys/dev/bxe/if_bxe.c
Modified: head/sys/dev/bxe/if_bxe.c
==============================================================================
--- head/sys/dev/bxe/if_bxe.c Wed Sep 5 06:15:15 2012 (r240127)
+++ head/sys/dev/bxe/if_bxe.c Wed Sep 5 06:51:28 2012 (r240128)
@@ -3554,8 +3554,14 @@ bxe_shutdown(device_t dev)
sc = device_get_softc(dev);
DBENTER(BXE_INFO_LOAD | BXE_INFO_RESET | BXE_INFO_UNLOAD);
+ /* Stop the controller, but only if it was ever started.
+ * Stopping an uninitialized controller can cause
+ * IPMI bus errors on some systems.
+ */
BXE_CORE_LOCK(sc);
- bxe_stop_locked(sc, UNLOAD_NORMAL);
+ if (sc->state != BXE_STATE_CLOSED) {
+ bxe_stop_locked(sc, UNLOAD_NORMAL);
+ }
BXE_CORE_UNLOCK(sc);
DBEXIT(BXE_INFO_LOAD | BXE_INFO_RESET | BXE_INFO_UNLOAD);
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