> Guess what, this issue indeed seems to be completely unrelated to USB.
> Something similar is going on for SD card access (see Bug #787246), and accessing LAN/WLAN has only an indirect influence.
>
> Look at this: http://paste.ubuntu.com/656410/
> Seems like the CPU entering sleep states or something similar is the culprit?
Interesting.
To confirm this, please add nohlt to your kernel cmdline string and
retest.
On Mon, 1 Aug 2011, Michael Sparmann wrote:
> Guess what, this issue indeed seems to be completely unrelated to USB. paste.ubuntu. com/656410/
> Something similar is going on for SD card access (see Bug #787246), and accessing LAN/WLAN has only an indirect influence.
>
> Look at this: http://
> Seems like the CPU entering sleep states or something similar is the culprit?
Interesting.
To confirm this, please add nohlt to your kernel cmdline string and
retest.