On Sat, Jan 9, 2010 at 10:53 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Sat, 9 Jan 2010, Alan Stern wrote: > >> What do you get when you do "dd if=/dev/sde count=1 | hexdump -C", >> under kernels with and without the patch? (Replace "sde" with the >> appropriate device name for the camera.) I would rather expect the >> output to be the same whether the patch is present or not... but you >> never know. > > One other thing to try, again on both types of kernel. After plugging > in the camera, unmount the partition (for the patched kernel, of > course). Then do: > > blockdev --flushbufs /dev/sdb > > (or sd-whatever). Start up a usbmon trace, and then try to mount the > partition. That should generate significantly different activity on > the two kernels. Actually, all of the usbmon traces I sent before should include the devices being mounted, are at least an attempt at mounting. I'll send the output from dd when I get the chance, but I can at least tell you from trying that before that the results are indeed different, which I found interesting. Ryan -- Ryan May Graduate Research Assistant School of Meteorology University of Oklahoma -- 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
