[okular] [Bug 466900] Okular startup delay due to historically automounted filesystems that are currently inaccessble

[Wiley Sanders]

https://bugs.kde.org/show_bug.cgi?id=466900

--- Comment #1 from Wiley Sanders <wsanders at wsanders.net> ---
What happened to my description? Here it is in case it got lost:

Looks like okular suffers a 30 sec or so startup delay when it looks for
historically automounted filesystems that are currently inaccessble. In other
words, I see this on startup in strace:

[code]
[pid 48984] openat(AT_FDCWD,
"/home/wsanders/.local/share/okular/bookmarks.xml", O_RDONLY|O_CLOEXEC) = 10
[pid 48984] statx(10, "", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_ALL,
{stx_mask=STATX_ALL|STATX_MNT_ID, stx_attributes=0, stx_mode=S_IFREG|0600,
stx_size=2410, ...}) = 0
[pid 48984] statx(10, "", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_ALL,
{stx_mask=STATX_ALL|STATX_MNT_ID, stx_attributes=0, stx_mode=S_IFREG|0600,
stx_size=2410, ...}) = 0
[pid 48984] read(10, "<?xml version=\"1.0\" encoding=\"UT"..., 16384) = 2410
[pid 48984] read(10, "", 13974)         = 0
[pid 48984] read(10, "", 16384)         = 0
[pid 48984] read(10, "", 16384)         = 0
[pid 48984] close(10)                   = 0
[pid 48984] readlink("/net", 0x7ffc73fb8090, 1023) = -1 EINVAL (Invalid
argument)
[pid 48984] readlink("/net/192.169.1.1",  <unfinished ...>                     
                             <<<---- HERE
[pid 48987] <... poll resumed>)         = 1 ([{fd=3, revents=POLLIN}])
[pid 48987] recvmsg(3, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="U\2\250\1\377dX\5\3\4\4\0\0\0\0\0\0\0\0\4\4\4\4\4\0\0\3\37%\2\0\0",
iov_len=4096}], 
[code]

"/net/192.169.1.1..." is a previously automounted filesystem, but my server
192.169.1.1 is down.

I have no bookmarks, but the bookmarks.xml  file does have references to files
in /net/192.169.1.1; it appears that  that is where the recently open files
list is stored. 


STEPS TO REPRODUCE
1. Mount a automounted (manually mounted will probably do this too) NFS
filesystem and open some files in it.
2. Exit okular
3. Shutdown the NFS server, disable automounter, or (not tested) unmount the
filesystem, then restart okular.


OBSERVED RESULT
You should encounter a approx 30 sec delay on startup. 

EXPECTED RESULT
Okular should ascertain that some on the files in bookmarks.xml are not
accessible and ignore them so it will open without delay.

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