On 04/14/2016 03:20 PM, Diego wrote: > On 18.02.2016, Schrempf Frieder wrote: >> At the moment I have two sticks with the same chip around for which >> setting USB_MAX_XFER_BLK from 65535 to 32767 fixed the file transfer. >> Also one of our customers tested a few non-working sticks with this >> change and reported, that it fixed it for him. > > Hi all, > > sorry for reopening this thread, but I'd like to provide some additional > infos. > > I was experiencing the same problem with several USB thumb drives, especially > with some Kingston DataTraveler. > > Changing USB_MAX_XFER_BLK from 65535 to 32767 definitely fixed the "EHCI > timed > out on TD" but also fixed a more subtle problem.
So the DTSE9 is problematic even on EHCI ? Sigh ... I'll have to look into that one stick deeper, that's real bad. > Additionally, on a Kingston DataTraveler labelled "DTSE9 G2 USB 3.0": > ID 0951:1666 Kingston Technology DataTraveler G4 > I was experiencing apparently successful "load" transfers, but the data > loaded > was actually corrupted when loaded in memory, as a subsequent gzwrite > reported > broken CRC. > > U-Boot > usb dev 0 > > USB device 0: > Device 0: Vendor: Kingston Rev: PMAP Prod: DataTraveler 3.0 > Type: Removable Hard Disk > Capacity: 15004.3 MB = 14.6 GB (30728832 x 512) > ... is now current device > U-Boot > load usb 0:1 0x10008000 my-image.sdcard.gz > reading my-image.sdcard.gz > 112364153 bytes read in 3306 ms (32.4 MiB/s) > U-Boot > gzwrite mmc 1 0x10008000 $filesize > Error: inflate() returned -3 > > uncompressed 4194304 of 2218786816 > crcs == 0xa85fe71c/0xd0244792 > > > The decrease of USB_MAX_XFER_BLK from 65535 to 32767 fixed also that > "corrupted > load" problem, so from what I experienced 32767 is a much more practical and > "real life" reliable value. > > If, as Fabio Estevam suggested, changing USB_MAX_XFER_BLK to 32767 is being > considered, I definitely vote for it. > > Bests, > Diego > > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot > -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
