On Thursday, February 04, 2016 at 09:21:08 AM, Schrempf Frieder wrote: > On 03.02.2016 20:16, Sergei Temerkhanov wrote: > > On Wed, Feb 3, 2016 at 8:40 AM, Marek Vasut <ma...@denx.de> wrote: > >> On Wednesday, February 03, 2016 at 12:49:20 PM, Schrempf Frieder wrote: > >>> On 03.02.2016 12:12, Marek Vasut wrote: > >>>> On Wednesday, February 03, 2016 at 11:15:00 AM, Schrempf Frieder wrote: > >>>>> On 03.02.2016 10:55, Fabio Estevam wrote: > >>>>>> On Wed, Feb 3, 2016 at 7:40 AM, Marek Vasut <ma...@denx.de> wrote: > >>>>>>> In that case, debug time. > >>>>>>> > >>>>>>> Usual problems are bad routing of the tracks on the board , so try > >>>>>>> with USB 1.1 hub and if that works, that's your problem. > >>>>>> > >>>>>> Another suggestion would be to try the 100MB transfer in Linux and > >>>>>> see if this works or not. > >>>>>> > >>>>>> That would help us to narrow down whether this is a hardware or > >>>>>> software problem. > > > > Another thing to try may be limiting the value of USB_MAX_XFER_BLK in > > common/usb_storage.c > > This was a really helpful hint! Thank you Sergei! > > I just tried to limit USB_MAX_XFER_BLK to 1/8 of the original value > (65535 -> 8191) and this time the transfer works without timeouts. > > As we have a customer who needs this working as soon as possible my > question now is how to properly solve this. > Should I generally limit USB_MAX_XFER_BLK in my u-boot to avoid these > errors? Which value to choose?
Nice! Can you share which sticks are those, ideally brand/type and USB IDs ? Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
