Hi,
At least once a day, our Sogo process consumes 99% CPU. Sogo becomes unusable.
Even if we restart sogo or reboot the server, the new sogod process is still
high.
And after minutes or hours, the CPU usage drops to normal.
No errors in sogo.log.
Here is the backtrace of sogod (when I can debug). The process running 99%CPU
is the "father" not one of the "children".
backtrace of sogod
--------------------------
#0 0x00002af0ba6f9f15 in objc_msg_lookup () from /usr/lib64/libobjc.so.1
#1 0x00002af0b88c537b in -[WOWatchDog _ensureNumberOfChildren] (
self=0x158c61d0, _cmd=0x2af0b8bf16e0) at WOWatchDogApplicationMain.m:527
#2 0x00002af0b88c57f8 in -[WOWatchDog _ensureChildren] (self=0x158c61d0,
_cmd=0x2af0b8bf1950) at WOWatchDogApplicationMain.m:581
#3 0x00002af0b88c6ef0 in -[WOWatchDog run:argc:argv:] (self=0x158c61d0,
_cmd=0x2af0b8bf1a30, newAppName=0x608480, newArgC=7,
newArgV=0x7fffab0621b8) at WOWatchDogApplicationMain.m:866
#4 0x00002af0b88c7773 in WOWatchDogApplicationMain (appName=0x608480, argc=7,
argv=0x7fffab0621b8) at WOWatchDogApplicationMain.m:971
#5 0x00000000004018b7 in main ()
strace
--------
wait4(-1, 0x7fff856141e8, WNOHANG, NULL) = 0
poll([{fd=4, events=POLLIN}, {fd=7, events=POLLIN}, {fd=9, events=POLLIN},
{fd=8, events=POLLIN}, {fd=3, events=POLLIN}], 5, 140) = 1 ([{fd=3,
revents=POLLIN}])
wait4(-1, 0x7fff856141e8, WNOHANG, NULL) = 0
poll([{fd=4, events=POLLIN}, {fd=7, events=POLLIN}, {fd=9, events=POLLIN},
{fd=8, events=POLLIN}, {fd=3, events=POLLIN}], 5, 140) = 1 ([{fd=3,
revents=POLLIN}])
wait4(-1, 0x7fff856141e8, WNOHANG, NULL) = 0
poll([{fd=4, events=POLLIN}, {fd=7, events=POLLIN}, {fd=9, events=POLLIN},
{fd=8, events=POLLIN}, {fd=3, events=POLLIN}], 5, 140) = 1 ([{fd=3,
revents=POLLIN}])
wait4(-1, 0x7fff856141e8, WNOHANG, NULL) = 0
Laurent Blain
--------------------------------------------------------------------------
Laurent Blain Tel. (+33) 5 61 33 78 09
LAAS-CNRS Fax. (+33) 5 61 33 69 36
7, Av du Colonel Roche E-mail:laurent.bl...@laas.fr
31077 Toulouse Cedex 4 - FRANCE
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