On Wed, 24 Feb 2010, Oliver Neukum wrote: > Am Mittwoch, 24. Februar 2010 18:12:42 schrieb Alan Stern: > > > 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. > ffff880134ca7d40 1478539247 S Bo:2:003:1 -115 31 = 55534243 f9000000 12000000 80000603 00000012 00000000 00000000 000000 > ffff880134ca7d40 1478539404 C Bo:2:003:1 0 31 > > ffff880137c8c680 1478539484 S Bi:2:003:2 -115 18 < > ffff880137c8c680 1478539653 C Bi:2:003:2 0 18 = 00000000 00000000 00000000 00000000 0000 > I am afraid that turns out not to be the case. Then you need to do some finer checking. Print out the DMA address and the virtual address for all length-18 URBs at various strategic spots in usb-storage, ehci-hcd, and usbmon. The places modified by those commits are where you should start. Alan Stern -- 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
