Module Name: src Committed By: chs Date: Tue Nov 13 14:08:08 UTC 2012
Modified Files: src/sys/kern: kern_pmf.c Log Message: in pmf_system_shutdown(), don't do anything if we're panicing. this prevents a hang trying to shut down other CPUs on x86, and in general we could be called in any context from a panic so it's best to skip unnecessary operations in that case. To generate a diff of this commit: cvs rdiff -u -r1.35 -r1.36 src/sys/kern/kern_pmf.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/kern/kern_pmf.c diff -u src/sys/kern/kern_pmf.c:1.35 src/sys/kern/kern_pmf.c:1.36 --- src/sys/kern/kern_pmf.c:1.35 Sun Jun 5 09:04:22 2011 +++ src/sys/kern/kern_pmf.c Tue Nov 13 14:08:07 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: kern_pmf.c,v 1.35 2011/06/05 09:04:22 dsl Exp $ */ +/* $NetBSD: kern_pmf.c,v 1.36 2012/11/13 14:08:07 chs Exp $ */ /*- * Copyright (c) 2007 Jared D. McNeill <jmcne...@invisible.ca> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: kern_pmf.c,v 1.35 2011/06/05 09:04:22 dsl Exp $"); +__KERNEL_RCSID(0, "$NetBSD: kern_pmf.c,v 1.36 2012/11/13 14:08:07 chs Exp $"); #include <sys/types.h> #include <sys/param.h> @@ -381,6 +381,10 @@ shutdown_all(int how) void pmf_system_shutdown(int how) { + + if (panicstr != NULL) + return; + aprint_debug("Shutting down devices:"); shutdown_all(how); }