kmemleak, cpu usage jump out of nowhere
From: Zeno Davatz
Date: Wed Jul 14 2010 - 02:12:55 EST
Hi
I got a new Intel core-8 i7 processor.
I am on kernel uname -a
Linux zenogentoo 2.6.35-rc5 #97 SMP Tue Jul 13 16:13:25 CEST 2010 i686
Intel(R) Core(TM) i7 CPU 960 @ 3.20GHz GenuineIntel GNU/Linux
Sometimes in the middle of nowhere all of a sudden all of my 8-cores
are at 100% CPU usage and my machine really lags and hangs and is not
useable anymore. Some random process just grabs a bunch CPUs according
to htop.
dmesg tell me that
kmemleak: 38 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
I am attaching you the file from /sys/kernel/debug/kmemleak
Let me know if you need anything else.
Best
Zeno
Attachment:
kmemleak
Description: Binary data