On Tue, 18 Apr 2017, Andreas Hartmann wrote: > Am 18.04.2017 um 21:31 schrieb Alan Stern: > > On Mon, 17 Apr 2017, Andreas Hartmann wrote: > > > >>> Good start, but there are five (!) other places in this driver where > >>> the same bug occurs, at lines 904, 1350, 1577, 2088, and 2157. Would > >>> you like to fix them too? > >>> > >>> Maybe it would be easier for the driver to allocate a single 512-byte > >>> buffer at the start, and use it for all of these I/O requests. > >> > >> Yes, it doesn't work yet: > > > > Okay, please try this patch instead. > > Thanks for your patch! It's working mostly. Sometimes, there are errors. > The short sequences are the broken one. They are not always behaving equal!
Can you collect a usbmon trace showing a good sequence and a trace showing a bad sequence? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
