Date: Tue, 1 May 2018 15:33:21 +0000 (UTC) From: Andrew Gallatin <gallatin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r333141 - head/sys/dev/cxgbe Message-ID: <201805011533.w41FXLpo084622@repo.freebsd.org>
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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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