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| author |   mikeb <mikeb@openbsd.org> | 2017-07-19 16:48:22 +0000 |
|---|---|---|
| committer | mikeb <mikeb@openbsd.org> | 2017-07-19 16:48:22 +0000 |
| commit | 944249e80d58eea660bcc06e8571275b4d83598e (patch) | |
| tree | 6c6cf97c20dcb6f65ef3dd7f9c4d4d5e0088f8db /sys/dev/pv/xen.c | |
| parent | Add a handler for RNDIS status messages (diff) | |
| download | wireguard-openbsd-944249e80d58eea660bcc06e8571275b4d83598e.tar.xz wireguard-openbsd-944249e80d58eea660bcc06e8571275b4d83598e.zip | |
Turn this into a panic since there's no way to recover from it
Diffstat (limited to 'sys/dev/pv/xen.c')
| -rw-r--r-- | sys/dev/pv/xen.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/dev/pv/xen.c b/sys/dev/pv/xen.c index 7be07f2af05..19f16dca860 100644 --- a/sys/dev/pv/xen.c +++ b/sys/dev/pv/xen.c @@ -1,4 +1,4 @@ -/* $OpenBSD: xen.c,v 1.87 2017/07/17 16:32:26 mikeb Exp $ */ +/* $OpenBSD: xen.c,v 1.88 2017/07/19 16:48:22 mikeb Exp $ */ /* * Copyright (c) 2015, 2016, 2017 Mike Belopuhov @@ -1218,10 +1218,11 @@ xen_grant_table_remove(struct xen_softc *sc, grant_ref_t ref) loop = 0; while (atomic_cas_uint(ptr, flags, GTF_invalid) != flags) { if (loop++ > 10) { - printf("%s: grant table reference %u is held " - "by domain %d\n", sc->sc_dev.dv_xname, ref + - ge->ge_start, ge->ge_table[ref].domid); - return; + panic("%s: grant table reference %u is held " + "by domain %d: frame %#x flags %#x\n", + sc->sc_dev.dv_xname, ref + ge->ge_start, + ge->ge_table[ref].domid, ge->ge_table[ref].frame, + ge->ge_table[ref].flags); } #if (defined(__amd64__) || defined(__i386__)) __asm volatile("pause": : : "memory"); |