panda board crash when detecting usb devices

Jan Lübbe jlu at
Mon Jul 2 04:01:15 EDT 2012


On Mon, 2012-07-02 at 00:53 +0200, Belisko Marek wrote:
> In current next there is issue with usb command on panda board:
> It is crashing in ehci_halt() in first ehci_read call. IMO ehci_read
> access wrong memory (that is reason do data_abort?)
> I have rev. A2. Any ideas?

I had a problem with USB on the BeagleBoard: 
Message-id: <20120623232159.GA30515 at>
Subject: Regression for the Beagle Board

For the BeagleBoard this change results in conflicting resource ranges.

Sascha added a check in a6e358b2f5b219fda18a7bc9348cb969043c19d5, maybe
a NULL return value from dev_request_mem_region is not handled correctly
in the driver?


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