[Xfce-bugs] [Bug 15789] Hangs when Places/Bookmark target is autofs and doesn't exist/not available
bugzilla-daemon at xfce.org
bugzilla-daemon at xfce.org
Wed Aug 7 12:24:26 CEST 2019
https://bugzilla.xfce.org/show_bug.cgi?id=15789
--- Comment #2 from Tj <0.xubuntu at iam.tj> ---
For debugging I'm working from Xubuntu 18.04 so this backtrace and strace are
from v1.6.15 but for the purpose of identifying what is going on I don't think
it makes much difference.
The traces were captured just after Thunar was started and had hung without
drawing its content window. There's an attempt to access the currently
disconnected/unreachable autofs CIFS mount to /mnt/SLBS/Data which is
triggering repeated autofs mount attempts (reported by journalctl -f).
$ gdb --args /usr/bin/thunar /tmp/test
...
(gdb) bt full
#0 0x00007ffff45f82d7 in inotify_add_watch () at
../sysdeps/unix/syscall-template.S:78
#1 0x00007ffff5165e95 in _ik_watch (path=<optimised out>,
mask=mask at entry=16789454, err=err at entry=0x7fffffffd534)
at ../../../../../gio/inotify/inotify-kernel.c:425
wd = -1
__func__ = "_ik_watch"
#2 0x00007ffff51669d2 in _ip_start_watching (sub=sub at entry=0x5555558756d0) at
../../../../../gio/inotify/inotify-path.c:264
wd = <optimised out>
err = 0
dir = 0x0
__func__ = "_ip_start_watching"
#3 0x00007ffff51673a8 in _ih_sub_add (sub=0x5555558756d0) at
../../../../../gio/inotify/inotify-helper.c:107
#4 0x00007ffff513a8a6 in g_local_file_monitor_start
(local_monitor=local_monitor at entry=0x7fffe0013690 [GInotifyFileMonitor],
filename=filename at entry=0x555555c5aca0 "/mnt/SLBS/Data",
is_directory=is_directory at entry=1,
flags=flags at entry=(G_FILE_MONITOR_WATCH_MOUNTS | G_FILE_MONITOR_SEND_MOVED),
context=0x0) at ../../../../gio/glocalfilemonitor.c:789
class = 0x555555b8a000
__func__ = "g_local_file_monitor_start"
#5 0x00007ffff513a9f6 in g_local_file_monitor_new_for_path
(pathname=0x555555c5aca0 "/mnt/SLBS/Data", is_directory=1,
flags=(G_FILE_MONITOR_WATCH_MOUNTS | G_FILE_MONITOR_SEND_MOVED),
error=<optimised out>) at ../../../../gio/glocalfilemonitor.c:873
monitor = 0x7fffe0013690 [GInotifyFileMonitor]
is_remote_fs = <optimised out>
#6 0x00005555555914e7 in thunar_file_watch (file=0x555555c37420 [ThunarFile])
at thunar-file.c:3898
file_watch = 0x5555558ee7b0
error = 0x0
#7 0x00005555555bb7f1 in thunar_shortcuts_model_add_shortcut_with_path
(model=0x5555559246a0 [ThunarShortcutsModel], shortcut=0x7fffe0013630,
path=0x0) at thunar-shortcuts-model.c:1137
iter = {stamp = 0, user_data = 0x3, user_data2 = 0x7fffe0013630,
user_data3 = 0x555555c37420}
sorted_path = 0x0
#8 0x00005555555d91b2 in thunar_util_load_bookmarks (bookmarks_file=<optimised
out>, foreach_func=foreach_func at entry=0x5555555bc980
<thunar_shortcuts_model_load_line>, user_data=user_data at entry=0x5555559246a0)
at thunar-util.c:235
bookmarks_path = <optimised out>
line = "file:///mnt/SLBS/Data\000"
name = 0x0
space = <optimised out>
fp = 0x555555c39c00
row_num = 4
file = 0x55555588a200
#9 0x00005555555bc958 in thunar_shortcuts_model_load (data=<optimised out>) at
thunar-shortcuts-model.c:1302
model = 0x5555559246a0 [ThunarShortcutsModel]
#10 0x00007ffff4b32285 in g_main_dispatch (context=0x555555859400) at
../../../../glib/gmain.c:3176
dispatch = 0x7ffff4b2ec10 <g_idle_dispatch>
prev_source = 0x0
was_in_call = 0
user_data = 0x5555559246a0
callback = 0x5555555bc920 <thunar_shortcuts_model_load>
cb_funcs = 0x7ffff4dfb280 <g_source_callback_funcs>
cb_data = 0x5555558f6ca0
need_destroy = <optimised out>
source = 0x5555558f8c20
current = 0x555555885e00
i = 9
$ strace -o /tmp/thunar.strace -f /usr/bin/thunar /tmp/test
...
9739 access("/home/tj", W_OK) = 0
9739 stat("/home/tj", {st_mode=S_IFDIR|0750, st_size=32768, ...}) = 0
9739 lstat("/home/tj/Documents", {st_mode=S_IFDIR|0755, st_size=12288, ...}) =
0
9739 access("/home/tj/Documents", R_OK) = 0
9739 access("/home/tj/Documents", W_OK) = 0
9739 access("/home/tj/Documents", X_OK) = 0
9739 lstat("/home/tj", {st_mode=S_IFDIR|0750, st_size=32768, ...}) = 0
9739 lstat("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
9739 lstat("/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
9739 lstat("/home/tj/Documents", {st_mode=S_IFDIR|0755, st_size=12288, ...}) =
0
9739 inotify_add_watch(12, "/home/tj/Documents",
IN_MODIFY|IN_ATTRIB|IN_CLOSE_WRITE|IN_MOVED_FROM|IN_MOVED_TO|IN_CREATE|IN_DELETE|IN_DELETE_SELF|IN_MOVE_SELF|IN_UNMOUNT|IN_ONLYDIR)
= 6
9739 access("/mnt/SLBS", W_OK) = -1 EACCES (Permission denied)
9739 stat("/mnt/SLBS", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
9739 lstat("/mnt/SLBS/Data", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
9739 openat(AT_FDCWD, "/mnt/SLBS/.hidden", O_RDONLY) = -1 ENOENT (No such file
or directory)
9739 write(7, "\1\0\0\0\0\0\0\0", 8) = 8
9740 <... poll resumed> ) = 1 ([{fd=7, revents=POLLIN}])
9739 access("/mnt/SLBS/Data", R_OK <unfinished ...>
9740 read(7, <unfinished ...>
9739 <... access resumed> ) = 0
9740 <... read resumed> "\1\0\0\0\0\0\0\0", 16) = 8
9739 access("/mnt/SLBS/Data", W_OK <unfinished ...>
9740 poll([{fd=7, events=POLLIN}, {fd=12, events=POLLIN}], 2, 4118 <unfinished
...>
9739 <... access resumed> ) = -1 EACCES (Permission denied)
9739 access("/mnt/SLBS/Data", X_OK) = 0
9739 lstat("/mnt/SLBS", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
9739 lstat("/mnt", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
9739 lstat("/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
9739 eventfd2(0, EFD_CLOEXEC|EFD_NONBLOCK) = 18
9739 write(18, "\1\0\0\0\0\0\0\0", 8) = 8
9739 write(9, "\1\0\0\0\0\0\0\0", 8) = 8
9741 <... poll resumed> ) = 1 ([{fd=9, revents=POLLIN}])
9739 poll([{fd=18, events=POLLIN}], 1, 25000 <unfinished ...>
9741 read(9, <unfinished ...>
9739 <... poll resumed> ) = 1 ([{fd=18, revents=POLLIN}])
9741 <... read resumed> "\1\0\0\0\0\0\0\0", 16) = 8
9739 read(18, "\1\0\0\0\0\0\0\0", 16) = 8
9741 sendmsg(8, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="l\1\0\1\10\0\0\0K\0\0\0v\0\0\0\10\1g\0\2uu\0\1\1o\0\25\0\0\0"...,
iov_len=144}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL
<unfinished ...>
9739 poll([{fd=18, events=POLLIN}], 1, 25000 <unfinished ...>
9741 <... sendmsg resumed> ) = 144
9741 poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=15,
events=POLLIN}], 3, -1) = 1 ([{fd=8, revents=POLLIN}])
9741 write(9, "\1\0\0\0\0\0\0\0", 8) = 8
9741 recvmsg(8, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="l\2\1\1\5\0\0\0\202\6\0\0.\0\0\0", iov_len=16}],
msg_iovlen=1, msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC)
= 16
9741 poll([{fd=8, events=POLLIN}], 1, 0) = 1 ([{fd=8, revents=POLLIN}])
9741 recvmsg(8, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="\10\1g\0\1s\0\0\5\1u\0K\0\0\0\6\1s\0\6\0\0\0:1.173\0\0"...,
iov_len=53}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC},
MSG_CMSG_CLOEXEC) = 53
9741 write(9, "\1\0\0\0\0\0\0\0", 8) = 8
9741 write(9, "\1\0\0\0\0\0\0\0", 8) = 8
9741 poll([{fd=9, events=POLLIN}, {fd=15, events=POLLIN}], 2, 0) = 1 ([{fd=9,
revents=POLLIN}])
9741 read(9, "\3\0\0\0\0\0\0\0", 16) = 8
9741 write(18, "\1\0\0\0\0\0\0\0", 8) = 8
9739 <... poll resumed> ) = 1 ([{fd=18, revents=POLLIN}])
9741 poll([{fd=8, events=POLLIN}], 1, 0 <unfinished ...>
9739 read(18, <unfinished ...>
9741 <... poll resumed> ) = 0 (Timeout)
9739 <... read resumed> "\1\0\0\0\0\0\0\0", 16) = 8
9741 write(9, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
9739 write(18, "\1\0\0\0\0\0\0\0", 8 <unfinished ...>
9741 <... write resumed> ) = 8
9739 <... write resumed> ) = 8
9739 futex(0x55beaa9e2d10, FUTEX_WAKE_PRIVATE, 2147483647 <unfinished ...>
9741 poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=15,
events=POLLIN}], 3, -1 <unfinished ...>
9739 <... futex resumed> ) = 0
9741 <... poll resumed> ) = 1 ([{fd=9, revents=POLLIN}])
9739 close(18 <unfinished ...>
9741 read(9, <unfinished ...>
9739 <... close resumed> ) = 0
9741 <... read resumed> "\1\0\0\0\0\0\0\0", 16) = 8
9741 poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=15,
events=POLLIN}], 3, -1 <unfinished ...>
9739 lstat("/mnt/SLBS/Data", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
9739 inotify_add_watch(12, "/mnt/SLBS/Data",
IN_MODIFY|IN_ATTRIB|IN_CLOSE_WRITE|IN_MOVED_FROM|IN_MOVED_TO|IN_CREATE|IN_DELETE|IN_DELETE_SELF|IN_MOVE_SELF|IN_UNMOUNT|IN_ONLYDIR)
= -1 EINTR (Interrupted system call)
9739 --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} ---
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