On Tue, 25 Nov 2014, Ricardo Ribalda Delgado wrote: > Hello Alan > > Could you test if the parameter dma_chaining works on your board with > the current kernel? > > #on the target > modprobe net2280 use_dma_chaining=1 #(it it is already loaded, rmmod) > dd if=/dev/zero of=/tmp/mem bs=256M count=1 > modprobe g_mass_storage file=/tmp/mem > > #on the host > #Check if /dev/sdX has apperared > dd if=/dev/sdX of=/dev/null It doesn't even come close to working. The system grinds to a halt when the UDC fails to send the third bulk-out packet. The first two packets get sent okay. 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