Package: src:linux
Version: 3.9-1-amd64
Severity: important

--- Please enter the report below this line. ---

Hi,

after an upgrade some weeks ago (after the new Debian was released), my
system irregularly slows down for some (about 10, sometimes up to 30)
seconds.

These moments, the system reacts very slowly and the mouse moves very
sluggish. A CPU meter like htop shows no significant usage at these
moments. I don't find anything suspicious in the kernel or xserver logs.
There is no significant hard disk usage.

The same problem happens when using 3.8, but not when using 3.2 (so I
guess it has something to do with the kernel).

I use a Thinkpad R500 with an Intel i915 graphics card and an Intel Core
2 Duo.

I don't know if it has something to do with this problem, but also
/sys/devices/platform/dock.0/docked gives a wrong value with this new
kernel versions.

This bug makes the system almost unusable. The only workaround is using
the old kernel version.


Thanks,
Christian


--- System information. ---
Architecture: amd64
Kernel:       Linux 3.9-1-amd64

Debian Release: jessie/sid
  600 unstable        ftp2.de.debian.org

--- Package information. ---
Package's Depends field is empty.

Package's Recommends field is empty.

Package's Suggests field is empty.


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