Author: gallatin
Date: Tue May 1 15:33:21 2018
New Revision: 333141
URL: https://svnweb.freebsd.org/changeset/base/333141
Log:
Optionally panic when cxgbe encounters a fatal error
Sometimes it is better to panic than to leave a machine
unreachable.
Reviewed by: np
Sponsored by: Netflix
Modified:
head/sys/dev/cxgbe/t4_main.c
Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c Tue May 1 15:17:46 2018
(r333140)
+++ head/sys/dev/cxgbe/t4_main.c Tue May 1 15:33:21 2018
(r333141)
@@ -469,6 +469,8 @@ TUNABLE_INT("hw.cxgbe.num_vis", &t4_num_vis);
static int pcie_relaxed_ordering = -1;
TUNABLE_INT("hw.cxgbe.pcie_relaxed_ordering", &pcie_relaxed_ordering);
+static int t4_panic_on_fatal_err = 0;
+TUNABLE_INT("hw.cxgbe.panic_on_fatal_err", &t4_panic_on_fatal_err);
#ifdef TCP_OFFLOAD
/*
@@ -2222,6 +2224,8 @@ t4_fatal_err(struct adapter *sc)
t4_intr_disable(sc);
log(LOG_EMERG, "%s: encountered fatal error, adapter stopped.\n",
device_get_nameunit(sc->dev));
+ if (t4_panic_on_fatal_err)
+ panic("panic requested on fatal error");
}
void
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