diff options
Diffstat (limited to 'sys/dev/vt/vt_core.c')
| -rw-r--r-- | sys/dev/vt/vt_core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/vt/vt_core.c b/sys/dev/vt/vt_core.c index d4baa65f06c9..884050f4f0c5 100644 --- a/sys/dev/vt/vt_core.c +++ b/sys/dev/vt/vt_core.c @@ -595,7 +595,13 @@ vt_window_switch(struct vt_window *vw) VT_LOCK(vd); if (curvw == vw) { - /* Nothing to do. */ + /* + * Nothing to do, except ensure the driver has the opportunity to + * switch to console mode when panicking, making sure the panic + * is readable (even when a GUI was using ttyv0). + */ + if ((kdb_active || panicstr) && vd->vd_driver->vd_postswitch) + vd->vd_driver->vd_postswitch(vd); VT_UNLOCK(vd); return (0); } |