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| author | Kirk McKusick <mckusick@FreeBSD.org> | 2020-04-09 23:42:13 +0000 |
|---|---|---|
| committer | Kirk McKusick <mckusick@FreeBSD.org> | 2020-04-09 23:42:13 +0000 |
| commit | 9a79b9900346a405780f02f757396070de5e9a51 (patch) | |
| tree | 50a7adea1884b1bcecca964460f88c06debdb5d8 /sys/kern/kern_lock.c | |
| parent | 09bae0a02343d49e7ee97b78a13a36d84880d250 (diff) | |
| download | src-9a79b9900346a405780f02f757396070de5e9a51.tar.gz src-9a79b9900346a405780f02f757396070de5e9a51.zip | |
When running with a kernel compiled with DEBUG_LOCKS, before
panic'ing for recusing on a non-recursive lock, print out the
kernel stack where the lock was originally acquired.
Notes
Notes:
svn path=/head/; revision=359759
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index 09e56cc08005..d5cf65c27de6 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -732,6 +732,7 @@ lockmgr_xlock_hard(struct lock *lk, u_int flags, struct lock_object *ilk, class = LOCK_CLASS(ilk); class->lc_unlock(ilk); } + STACK_PRINT(lk); panic("%s: recursing on non recursive lockmgr %p " "@ %s:%d\n", __func__, lk, file, line); } |