Re: Libreoffice 100% CPU usage

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On 01/12/18 06:37, Alessio Ciregia wrote:
Just now I've spotted that any Libreoffice program is reported by top command as using 100% of CPU time (and in fact the fans of the laptop are spinning furiously).

Seeing this too on my desktop PC with libreoffice-5.4.4.2-2.fc27.x86_64 (soffice.bin):

strace -p <soffice.bin pid> reports:

...

write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2460) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2460) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2460) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2459) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2459) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2459) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=9, events=POLLIN}, {fd=14, events=POLLIN}, {fd=18, events=POLLIN}], 3, 2459) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\1\0\0\0\0\0\0\0", 16)         = 8
write(9, "\1\0\0\0\0\0\0\0", 8)         = 8

...


I'm on F27 x86_64, and this happens even with with libreoffice 5.4.4.2-1 and 5.4.4.2-2 (updates-testing).
Has anyone else noticed this behavior? Where can I look to debug it?

Ciao,
A.


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Ciao

Joachim Backes

--

Fedora release 27 (Twenty Seven)
Kernel-4.14.13-300.fc27.x86_64


Joachim Backes <joachim.backes@xxxxxxxxxxxxxx>
https://www-user.rhrk.uni-kl.de/~backes/
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