Date: Mon, 29 Apr 2019 00:08:31 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> 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 Message-ID: <201904290008.x3T08VmJ061160@repo.freebsd.org>
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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
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