Author: marius
Date: Wed Aug 26 21:10:47 2009
New Revision: 196567
URL: http://svn.freebsd.org/changeset/base/196567
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
MFC after: 3 days
Modified:
head/sys/kern/kern_exit.c
Modified: head/sys/kern/kern_exit.c
==============================================================================
--- head/sys/kern/kern_exit.c Wed Aug 26 21:08:41 2009 (r196566)
+++ head/sys/kern/kern_exit.c Wed Aug 26 21:10:47 2009 (r196567)
@@ -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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