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[Bug 709440] [vp702x] BUG: unable to handle kernel NULL pointer dereference at (null)

Markus Stephan <markus_stephan@xxxxxxxxxx> changed:

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--- Comment #21 from Markus Stephan <markus_stephan@xxxxxxxxxx> 2011-08-29
08:34:01 UTC ---
Hi Florian,

Jiri made an other test kernel for me with your final + debug patch applied.

The box works fine and the message:
vp702x: usb in operation failed. (-110)

seams to be triggered by:
vp702x_fe_set_frontend+0x156/0x1a0 [dvb_usb_vp702x]

Full dmesg is attached.

Thank you,
Markus Stephan

Here is a patch to check if that failing op is even necessary.

But even if it works I don't feel comfortable of suggesting this to be
applied, since I don't have any overview about the hardware supported by this
Maybe Patrick has any opinion on this, he wrote this driver after all :)


Final patch works fine,

debug patch turns out that the function:
vp702x_fe_set_frontend() is the source of the:

vp702x: usb in operation failed. (-110)
error message storm.

Florian made a patch to test if this failing usb in op is necessary on my box.

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