Fuse mounts not working
When I mount some remote path, I can view it in Nautilus but the appropriate path under /run/user/1000/gvfs
is not created:
$ gio mount --list
Drive(0): VirtIO Disk
Type: GProxyDrive (GProxyVolumeMonitorUDisks2)
Drive(1): Floppy Drive
Type: GProxyDrive (GProxyVolumeMonitorUDisks2)
Volume(0): Floppy Disk
Type: GProxyVolume (GProxyVolumeMonitorUDisks2)
Drive(2): QEMU DVD-ROM
Type: GProxyDrive (GProxyVolumeMonitorUDisks2)
Mount(0): jtojnar on localhost -> ftp://jtojnar@localhost/
Type: GDaemonMount
$ mount | grep gvfs
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=100)
$ ps aux | grep gvfs
jtojnar 1011 0.0 0.3 408312 7352 ? Ssl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfsd
jtojnar 1016 0.0 0.3 427784 7656 ? Sl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfsd-fuse /run/user/1000/gvfs -f -o big_writes
jtojnar 1098 0.0 0.5 446224 10760 ? Ssl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfs-udisks2-volume-monitor
jtojnar 1122 0.0 0.3 390272 6164 ? Ssl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfs-mtp-volume-monitor
jtojnar 1126 0.0 0.2 388192 5424 ? Ssl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfs-goa-volume-monitor
jtojnar 1130 0.0 0.3 403036 6432 ? Ssl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfs-gphoto2-volume-monitor
jtojnar 1134 0.0 0.3 490948 7276 ? Ssl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfs-afc-volume-monitor
jtojnar 1346 0.0 0.4 495808 9168 ? Sl 13:48 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfsd-trash --spawner :1.3 /org/gtk/gvfs/exec_spaw/0
jtojnar 1555 0.0 0.4 495932 9096 ? Sl 13:49 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfsd-network --spawner :1.3 /org/gtk/gvfs/exec_spaw/1
jtojnar 1573 0.0 0.6 683804 13244 ? Sl 13:49 0:00 /nix/store/siddx2x2qyq00fbx33hwjc85f5bmr46y-gvfs-1.38.1/libexec/gvfsd-ftp --spawner :1.3 /org/gtk/gvfs/exec_spaw/3
jtojnar 1630 0.0 0.1 133432 2220 pts/1 S+ 13:54 0:00 grep gvfs
$ ls -la /run/user/1000/gvfs
total 0
dr-x------ 2 jtojnar users 0 Feb 1 13:48 .
drwx------ 11 jtojnar users 280 Feb 1 13:48 ..
Looking at the journal, I see some assertions after log-in:
$ journalctl -u gvfs-daemon --user -b
-- Logs begin at Sat 2019-01-19 01:26:34 UTC, end at Fri 2019-02-01 14:24:08 UTC. --
Feb 01 13:48:03 nixos systemd[968]: Starting Virtual filesystem service...
Feb 01 13:48:03 nixos systemd[968]: Started Virtual filesystem service.
Feb 01 13:48:03 nixos .gvfsd-fuse-wra[1016]: g_object_new_with_properties: assertion 'G_TYPE_IS_OBJECT (object_type)' failed
Feb 01 13:48:03 nixos .gvfsd-fuse-wra[1016]: g_volume_monitor_get_mounts: assertion 'G_IS_VOLUME_MONITOR (volume_monitor)' failed
Feb 01 13:48:03 nixos .gvfsd-fuse-wra[1016]: invalid (NULL) pointer instance
Feb 01 13:48:03 nixos .gvfsd-fuse-wra[1016]: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
Feb 01 13:48:03 nixos .gvfsd-fuse-wra[1016]: invalid (NULL) pointer instance
Feb 01 13:48:03 nixos .gvfsd-fuse-wra[1016]: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
Feb 01 14:21:29 nixos .gvfsd-fuse-wra[1016]: invalid (NULL) pointer instance
Feb 01 14:21:29 nixos .gvfsd-fuse-wra[1016]: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
Feb 01 14:21:29 nixos .gvfsd-fuse-wra[1016]: invalid (NULL) pointer instance
Feb 01 14:21:29 nixos .gvfsd-fuse-wra[1016]: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
Feb 01 14:21:29 nixos .gvfsd-fuse-wra[1016]: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
Feb 01 14:23:03 nixos systemd[968]: Stopping Virtual filesystem service...
Feb 01 14:23:03 nixos systemd[968]: Stopped Virtual filesystem service.
Feb 01 14:23:11 nixos systemd[968]: Starting Virtual filesystem service...
Feb 01 14:23:11 nixos systemd[968]: Started Virtual filesystem service.
If I restart gvfs with systemctl restart --user gvfs-daemon.service
and mount the URI again, the path will appear in /run/user/1000/gvfs
.
If I start the service with G_DEBUG=fatal_warnings
, I am able to get the backtrace:
$ coredumpctl gdb
[…]
(gdb) bt
#0 _g_log_abort (breakpoint=breakpoint@entry=1) at ../glib/gmessages.c:557
#1 0x00007f77fbe2afef in g_logv (log_domain=0x7f77fc1372ef "GLib-GObject", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7f77fa05b8f0) at ../glib/gmessages.c:1371
#2 0x00007f77fbe2b1ed in g_log (log_domain=log_domain@entry=0x7f77fc1372ef "GLib-GObject", log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, format=format@entry=0x7f77fbe7b9e4 "%s: assertion '%s' failed")
at ../glib/gmessages.c:1413
#3 0x00007f77fbe2b831 in g_return_if_fail_warning (log_domain=log_domain@entry=0x7f77fc1372ef "GLib-GObject",
pretty_function=pretty_function@entry=0x7f77fc13aba0 <__FUNCTION__.14304> "g_object_new_with_properties", expression=expression@entry=0x7f77fc13a260 "G_TYPE_IS_OBJECT (object_type)")
at ../glib/gmessages.c:2762
#4 0x00007f77fc10e152 in g_object_new_with_properties (object_type=0, n_properties=0, names=names@entry=0x0, values=values@entry=0x0) at ../gobject/gobject.c:1935
#5 0x00007f77fc10ef51 in g_object_new (object_type=<optimized out>, first_property_name=first_property_name@entry=0x0) at ../gobject/gobject.c:1645
#6 0x0000000000404ed3 in vfs_init (conn=0x2443584) at ../client/gvfsfusedaemon.c:2457
#7 0x00007f77fc72115b in fuse_fs_init (fs=0x2443230, conn=0x2443584) at fuse.c:2654
#8 0x00007f77fc7252ae in do_init (req=0x7f77f4000cc0, nodeid=<optimized out>, inarg=0x7f77fcd81038) at fuse_lowlevel.c:1836
#9 0x00007f77fc7261d1 in fuse_ll_process_buf (data=0x24433f0, buf=0x7f77fa05bd70, ch=<optimized out>) at fuse_lowlevel.c:2443
#10 0x00007f77fc722e73 in fuse_do_work (data=0x2463790) at fuse_loop_mt.c:117
#11 0x00007f77fbbb9567 in start_thread (arg=0x7f77fa05c700) at pthread_create.c:463
#12 0x00007f77fb8f01ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
- GVfs version: 1.38.1
- FUSE version: 2.9.9
- Distribution: NixOS unstable
- Downstream issue: https://github.com/NixOS/nixpkgs/issues/50254
Edited by Jan Tojnar