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| author | alfred <alfred@FreeBSD.org> | 2012-12-10 23:11:26 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 2012-12-10 23:11:26 +0000 |
| commit | 0edf2075d58352827b19fe3f76f55f0d37dc3b10 (patch) | |
| tree | 683882b84df543d148af103c8bbdff2cfede948b | |
| parent | 255d7c4222ad9d538bea37cd41dc0cb72c8d98e9 (diff) | |
| download | FreeBSD-src-0edf2075d58352827b19fe3f76f55f0d37dc3b10.zip FreeBSD-src-0edf2075d58352827b19fe3f76f55f0d37dc3b10.tar.gz | |
allow KASSERT to enter KDB.
| -rw-r--r-- | sys/kern/kern_shutdown.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c index 10267d4..fdaa166 100644 --- a/sys/kern/kern_shutdown.c +++ b/sys/kern/kern_shutdown.c @@ -542,6 +542,9 @@ shutdown_reset(void *junk, int howto) #ifdef INVARIANTS static int kassert_warn_only = 0; +#ifdef KDB +static int kassert_do_kdb = 0; +#endif #ifdef KTR static int kassert_do_ktr = 0; #endif @@ -558,6 +561,12 @@ SYSCTL_INT(_debug_kassert, OID_AUTO, warn_only, CTLFLAG_RW | CTLFLAG_TUN, "KASSERT triggers a panic (1) or just a warning (0)"); TUNABLE_INT("debug.kassert.warn_only", &kassert_warn_only); +#ifdef KDB +SYSCTL_INT(_debug_kassert, OID_AUTO, do_kdb, CTLFLAG_RW | CTLFLAG_TUN, + &kassert_do_kdb, 0, "KASSERT will enter the debugger"); +TUNABLE_INT("debug.kassert.do_kdb", &kassert_do_kdb); +#endif + #ifdef KTR SYSCTL_UINT(_debug_kassert, OID_AUTO, do_ktr, CTLFLAG_RW | CTLFLAG_TUN, &kassert_do_ktr, 0, @@ -650,6 +659,11 @@ kassert_panic(const char *fmt, ...) kdb_backtrace(); } } +#ifdef KDB + if (kassert_do_kdb) { + kdb_enter(KDB_WHY_KASSERT, buf); + } +#endif atomic_add_int(&kassert_warnings, 1); } #endif |
