Index: sys/fs/fuse/fuse_internal.c
===================================================================
--- sys/fs/fuse/fuse_internal.c	(revisione 239996)
+++ sys/fs/fuse/fuse_internal.c	(copia locale)
@@ -650,6 +650,7 @@
 
 out:
 	if (err) {
+		data->where = 5;
 		fdata_set_dead(data);
 	}
 	FUSE_LOCK();
Index: sys/fs/fuse/fuse_vnops.c
===================================================================
--- sys/fs/fuse/fuse_vnops.c	(revisione 239996)
+++ sys/fs/fuse/fuse_vnops.c	(copia locale)
@@ -493,6 +493,7 @@
 	}
 	if (!(dataflags & FSESS_INITED)) {
 		if (!vnode_isvroot(vp)) {
+			fuse_get_mpdata(vnode_mount(vp))->where = 8;
 			fdata_set_dead(fuse_get_mpdata(vnode_mount(vp)));
 			err = ENOTCONN;
 			debug_printf("fuse_getattr b: returning ENOTCONN\n");
Index: sys/fs/fuse/fuse_ipc.c
===================================================================
--- sys/fs/fuse/fuse_ipc.c	(revisione 239996)
+++ sys/fs/fuse/fuse_ipc.c	(copia locale)
@@ -487,8 +487,10 @@
 		if (!(data->dataflags & FSESS_INITED) && data->ticketer > 2) {
 			err = msleep(&data->ticketer, &fuse_mtx, PCATCH | PDROP,
 			    "fu_ini", 0);
-			if (err)
+			if (err) {
+				data->where = 6;
 				fdata_set_dead(data);
+			}
 		} else
 			FUSE_UNLOCK();
 	}
Index: sys/fs/fuse/fuse_vfsops.c
===================================================================
--- sys/fs/fuse/fuse_vfsops.c	(revisione 239996)
+++ sys/fs/fuse/fuse_vfsops.c	(copia locale)
@@ -328,6 +328,7 @@
 	mp->mnt_data = data;
 	data->ref++;
 	data->mp = mp;
+	data->where = 0;
 	data->dataflags |= mntopts;
 	data->max_read = max_read;
 	data->daemon_timeout = daemon_timeout;
@@ -415,6 +416,7 @@
 	err = fdisp_wait_answ(&fdi);
 	fdisp_destroy(&fdi);
 
+	data->where = 7;
 	fdata_set_dead(data);
 
 alreadydead:
Index: sys/fs/fuse/fuse_ipc.h
===================================================================
--- sys/fs/fuse/fuse_ipc.h	(revisione 239996)
+++ sys/fs/fuse/fuse_ipc.h	(copia locale)
@@ -194,6 +194,7 @@
 
     int                        daemon_timeout;
     uint64_t                   notimpl;
+    int                        where;
 };
 
 #define FSESS_DEAD                0x0001 /* session is to be closed */
Index: sys/fs/fuse/fuse_device.c
===================================================================
--- sys/fs/fuse/fuse_device.c	(revisione 239996)
+++ sys/fs/fuse/fuse_device.c	(copia locale)
@@ -150,6 +150,7 @@
 		return (error);
 	if (!data)
 		panic("no fuse data upon fuse device close");
+	data->where = 1;
 	fdata_set_dead(data);
 
 	FUSE_LOCK();
@@ -300,6 +301,7 @@
 		 * fallacy as loud as possible...
 		 */
 		if (uio->uio_resid < buflen[i]) {
+			data->where = 2;
 			fdata_set_dead(data);
 			DEBUG2G("daemon is stupid, kick it off...\n");
 			err = ENODEV;
@@ -361,6 +363,7 @@
 
 	if (uio->uio_resid < sizeof(struct fuse_out_header)) {
 		DEBUG("got less than a header!\n");
+		data->where = 3;
 		fdata_set_dead(data);
 		return (EINVAL);
 	}
@@ -375,6 +378,7 @@
 	 * "unique" value in the header.
 	 */
 	if ((err = fuse_ohead_audit(&ohead, uio))) {
+		data->where = 4;
 		fdata_set_dead(data);
 		return (err);
 	}