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SubjectRe: Kernel 2.6.26.5 -> 2.6.27.2 [USB REGRESSION] (USB -> D_STATE)


On Sun, 19 Oct 2008, Oliver Neukum wrote:

> You should turn on the usbfs_snoop module parameter for usbcore and see
> what shows up in the system log.

> Alan Stern

Tried this, kernel would not boot up any further when I had that enabled
alongside the 'extra' debugging options in the kernel:

http://home.comcast.net/~jpiszcz/20081019/2.6.27.2-usb-extra-debug.txt

My netconsole is not working right at the moment either so I was not
able to pull a sysrq-of this, but it hung twice, once on one device, rebooted
then it hung on another device the second time.

>
> Please get sysrq-t of a hang.
>
> Regards
> Oliver
>

Before I tried the above, I was able to get a sysrq-t of the hang:

http://home.comcast.net/~jpiszcz/20081019/trace_before_trigger.txt
http://home.comcast.net/~jpiszcz/20081019/trace_after_trigger.txt

Justin.



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