On 09.04.2012 14:30, Hans J. Koch wrote: > On Sun, Apr 08, 2012 at 04:12:23PM +0200, Christoph Fritz wrote: >>> How about works as mass storage? >> >> After some read while write testing I get the trace below. > > Is this reproducible? If you run your test several times, does it > always crash at the same address? > > If no, follow your broken-hardware theory. Another possibility could > be an error in DMA handling, which can also lead to more or less > random memory corruption. FWIW, I second this opinion. Especially as the trace seems totally unrelated to the USB function in question. A memory corruption can be tricky to find, but it would well explain the effects you see. A first step could be to disable DMA for the USB controller and see if that helps. Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
