Am Mittwoch, 24. Februar 2010 18:12:42 schrieb Alan Stern: > On Wed, 24 Feb 2010, Oliver Neukum wrote: > > > Hi Pete, > > > > it seems like usbmon has been broken. This is the trace in 2.6.31.11. > > The returned sense makes sense > > > As you can see the sense buffer is zeroed. > > The SCSI layer still reports that it got ASC 28 ASCQ 00. That makes it very likely > > that the malfunction is in usbmon and that the sense buffer that actually goes over > > the wire is identical in both cases. > > Do you want me to bisect, or do you have any others tests to rather run? > > I can't duplicate your results here, probably because my system doesn't > have highmem. This seems to be the most likely explanation. Limiting memory so that highmem isn't used fixes the issue. > The most likely culprit is commit > b375e1169d8ecc9e9db3ecba8147d484b5510833 (USB: add scatter-gather > support to usbmon). Related to it is commit > 40f8db8f8f5af2cafeb976ae15e11aca641a931d (USB: EHCI: add native > scatter-gather support) -- you shouldn't revert the first without > reverting the second. I am reverting. Regards Oliver -- 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
