Messages in this thread | | | Date | Wed, 10 Oct 2012 22:34:59 +0200 | From | Peter Stuge <> | Subject | Re: REGRESSION: usbdevfs: Use-scatter-gather-lists-for-large-bulk-transfers |
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Hej Henrik,
Henrik Rydberg wrote: > commit 3d97ff63f8997761f12c8fbe8082996c6eeaba1a > Author: Hans de Goede <hdegoede@redhat.com> > Date: Wed Jul 4 09:18:03 2012 +0200 > > usbdevfs: Use scatter-gather lists for large bulk transfers > > breaks an usb programming cable over here. The problem is reported as > "bulk tranfer failed" [sic] by the tool, and bisection leads to this > commit. Reverting on top of 3.6 solves it for me. > > I am happy to test alternatives.
In order to make full use of the new kernel commit you also need changes in libusb, if the tool uses libusb, but I agree that the kernel change must under no circumstance cause existing userland software to regress.
What is the programming cable and software that uses it?
//Peter
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