Author: marius
Date: Mon Aug 31 19:16:58 2009
New Revision: 196709
URL: http://svn.freebsd.org/changeset/base/196709
Log:
Add a temporary workaround which just lets init die instead of
causing a panic if it is killed due to a unsolved stack overflow
seen very late during shutdown on sparc64 when the gmirror worker
process exists, which is a regression introduced in 8.0.
Reviewed by: kib
Approved by: re (rwatson)
Modified:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/kern/kern_exit.c
Modified: stable/8/sys/kern/kern_exit.c
==============================================================================
--- stable/8/sys/kern/kern_exit.c Mon Aug 31 19:07:19 2009
(r196708)
+++ stable/8/sys/kern/kern_exit.c Mon Aug 31 19:16:58 2009
(r196709)
@@ -131,7 +131,12 @@ exit1(struct thread *td, int rv)
mtx_assert(&Giant, MA_NOTOWNED);
p = td->td_proc;
- if (p == initproc) {
+ /*
+ * XXX in case we're rebooting we just let init die in order to
+ * work around an unsolved stack overflow seen very late during
+ * shutdown on sparc64 when the gmirror worker process exists.
+ */
+ if (p == initproc && rebooting == 0) {
printf("init died (signal %d, exit %d)\n",
WTERMSIG(rv), WEXITSTATUS(rv));
panic("Going nowhere without my init!");
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