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From: Diego <diego.ml@zoho.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Issue with USB mass storage (thumb drives)
Date: Thu, 14 Apr 2016 15:20:09 +0200	[thread overview]
Message-ID: <6271677.LhHn0SdMV3@ip-192-168-197-87.eu-west-1.compute.internal> (raw)
In-Reply-To: <56C5974E.10600@exceet.de>

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.

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

  parent reply	other threads:[~2016-04-14 13:20 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-02 10:35 [U-Boot] Issue with USB mass storage (thumb drives) Schrempf Frieder
2016-02-02 16:28 ` Fabio Estevam
2016-02-02 16:39   ` Marek Vasut
2016-02-03  7:40     ` Schrempf Frieder
2016-02-03  7:45       ` Hannes Schmelzer
2016-02-03  9:34         ` Marek Vasut
2016-02-03  9:40       ` Marek Vasut
2016-02-03  9:55         ` Fabio Estevam
2016-02-03 10:15           ` Schrempf Frieder
2016-02-03 11:12             ` Marek Vasut
2016-02-03 11:49               ` Schrempf Frieder
2016-02-03 16:40                 ` Marek Vasut
2016-02-03 19:16                   ` Sergei Temerkhanov
2016-02-04  8:21                     ` Schrempf Frieder
2016-02-04 11:28                       ` Marek Vasut
2016-02-08  8:41                         ` Hannes Schmelzer
2016-02-08 14:58                           ` Marek Vasut
2016-02-12 15:53                             ` Simon Glass
2016-02-12 16:04                               ` Hannes Schmelzer
2016-02-18 10:05                         ` Schrempf Frieder
2016-02-18 15:32                           ` Marek Vasut
2016-02-18 17:14                             ` Fabio Estevam
2016-02-22  7:03                               ` Schrempf Frieder
2016-02-22 17:51                                 ` Maxime Jayat
2016-02-22 17:59                                   ` Fabio Estevam
2016-02-23  6:38                                     ` Hannes Schmelzer
2016-02-24 17:43                                       ` Marek Vasut
2016-02-25  4:13                                         ` Simon Glass
2016-02-25 17:56                                           ` Marek Vasut
2016-02-26  1:56                                             ` Simon Glass
2016-04-14 13:20                           ` Diego [this message]
2016-04-15 10:53                             ` Marek Vasut
2016-04-15 12:13                               ` Diego
2016-04-18 23:54                                 ` Marek Vasut
2016-04-25  8:16                                   ` Stefan Roese
2016-04-27  2:14                                 ` Marek Vasut
2016-04-27  9:04                                   ` Diego
2016-04-27 16:13                                     ` Marek Vasut
2016-04-28 13:04                                       ` Diego
2016-04-28 22:49                                         ` Marek Vasut
2016-04-29  7:58                                           ` Diego
2016-05-03 21:01                                             ` Marek Vasut
2016-05-04  9:13                                               ` Diego
2016-05-04 11:45                                                 ` Marek Vasut
2016-05-04 14:06                                                   ` Diego
2016-05-04 21:36                                                     ` Marek Vasut
2016-05-10 12:04                                                       ` Diego
2016-05-10 12:32                                                         ` Marek Vasut
2016-05-20  5:07                                                           ` Rajesh Bhagat
2016-05-20 11:52                                                             ` Marek Vasut
2016-02-04  8:06                   ` Schrempf Frieder
2016-10-14  9:01 Michael Kasprowicz

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