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From: Navdeep Parhar <np@FreeBSD.org>
Date: Mon, 29 Apr 2019 00:08:31 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject: svn commit: r346859 - stable/11/sys/dev/cxgbe
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X-List-Received-Date: Mon, 29 Apr 2019 00:08:32 -0000
Author: np
Date: Mon Apr 29 00:08:30 2019
New Revision: 346859
URL: https://svnweb.freebsd.org/changeset/base/346859
Log:
MFC r333141 (by gallatin@):
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:
stable/11/sys/dev/cxgbe/t4_main.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/dev/cxgbe/t4_main.c
==============================================================================
--- stable/11/sys/dev/cxgbe/t4_main.c Sun Apr 28 23:46:01 2019 (r346858)
+++ stable/11/sys/dev/cxgbe/t4_main.c Mon Apr 29 00:08:30 2019 (r346859)
@@ -544,6 +544,8 @@ SYSCTL_INT(_hw_cxgbe, OID_AUTO, pcie_relaxed_ordering,
&pcie_relaxed_ordering, 0,
"PCIe Relaxed Ordering: 0 = disable, 1 = enable, 2 = leave alone");
+static int t4_panic_on_fatal_err = 0;
+TUNABLE_INT("hw.cxgbe.panic_on_fatal_err", &t4_panic_on_fatal_err);
#ifdef TCP_OFFLOAD
/*
@@ -2509,6 +2511,8 @@ 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