[Libreoffice-bugs] [Bug 75488] Filesystem lock on shared Calc Documents in Excel-format not released

Mon Dec 28 15:20:46 UTC 2020

https://bugs.documentfoundation.org/show_bug.cgi?id=75488

--- Comment #17 from Christophe Lyon <christophelyon+libreoffice at gmail.com> ---
Hello,

I've just downloaded libre office 7.0.4 from
https://www.libreoffice.org/download/download/

Version: 7.0.4.2
Build: dcf040e67528d9187c66b2379df5ea4407429775
CPU threads: 4; OS: Linux 5.4; UI render: default; VCL: gtk3; 
Locale: fr-FR (en_US.UTF-8); UI-Language: en-US
Calc: threaded

Same command as in comment #8, different trace, where we now can see many uses
of UNLCK.
However when the trace reaches the point marked with '***', opening the
document stalls for a long while (about 30 seconds I guess), then resumes, and
we see another use of l_type=F_WRLCK.
When quiting Libre Office, we can see 6 uses of l_type=F_WRLCK:

[pid 11281] fcntl(15, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(15, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(19, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(19, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(20, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(20, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(20, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(20, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11287] fcntl(20, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0} <unfinished ...>
[pid 11281] fcntl(20, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET,
l_start=1073741825, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=2}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET,
l_start=1073741825, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=2}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(22, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET,
l_start=1073741826, l_len=510}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET,
l_start=1073741824, l_len=1}) = 0
[pid 11281] fcntl(21, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11293] fcntl(24, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0} <unfinished ...>
***
[pid 11321] fcntl(25, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11326] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0
[pid 11281] fcntl(3, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0,
l_len=0}) = 0

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