Great, that patch seems to fix both the dmesg errors and the speed issues. I'm a happy guy :). Thanks again! Will this patch be included in kernel 3.4.0? With regards, Jesse On Tue, May 8, 2012 at 7:50 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > This looks like another bug in the device; it can't transfer as much > data in a single command as the computer requests. By default Linux > sends or receives 120 KB at a time, but the device indicated that it > wasn't able to handle more than 56 KB. The following patch adds a > workaround for that problem; use it in place of the earlier patch. > > Alan Stern > > > > Index: usb-3.4/drivers/usb/storage/unusual_devs.h > =================================================================== > --- usb-3.4.orig/drivers/usb/storage/unusual_devs.h > +++ usb-3.4/drivers/usb/storage/unusual_devs.h > @@ -1885,6 +1885,13 @@ UNUSUAL_DEV( 0x1652, 0x6600, 0x0201, 0x > USB_SC_DEVICE, USB_PR_DEVICE, NULL, > US_FL_IGNORE_RESIDUE ), > > +/* Reported by Jesse Feddema <jdfeddema@xxxxxxxxx> */ > +UNUSUAL_DEV( 0x177f, 0x0400, 0x0000, 0x0000, > + "Yarvik", > + "PMP400", > + USB_SC_DEVICE, USB_PR_DEVICE, NULL, > + US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ), > + > /* Reported by Hans de Goede <hdegoede@xxxxxxxxxx> > * These Appotech controllers are found in Picture Frames, they provide a > * (buggy) emulation of a cdrom drive which contains the windows software > -- 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
