From mboxrd@z Thu Jan 1 00:00:00 1970 From: Schrempf Frieder Date: Wed, 3 Feb 2016 07:40:00 +0000 Subject: [U-Boot] Issue with USB mass storage (thumb drives) In-Reply-To: <201602021739.02666.marex@denx.de> References: <56B08683.9000607@exceet.de> <201602021739.02666.marex@denx.de> Message-ID: <56B1AED0.2000601@exceet.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 02.02.2016 17:39, Marek Vasut wrote: > On Tuesday, February 02, 2016 at 05:28:42 PM, Fabio Estevam wrote: >> Adding Marek in case he has any ideas. >> >> On Tue, Feb 2, 2016 at 8:35 AM, Schrempf Frieder >> >> wrote: >>> Hello, >>> >>> I'm using U-Boot on a custom i.MX6 board and I'm having problems while >>> reading (large) files from USB thumb drives. >>> I wouldn't really mind if this only happened with some specific USB >>> device, but the problem occurs with 3 out of 4 tested thumb drives while >>> loading a 100M test file. >>> The devices that work seem to be rather old ones. >>> >>> The same issue is also reported here: >>> https://community.freescale.com/thread/377911 >>> >>> I can reproduce this behaviour with u-boot-imx v2014.04 and with >>> mainline u-boot v2015.10 and v2016.01. >>> >>> Can someone tell me if this is a known issue? >>> What could be the reason for this and how can I get this working? >>> >>> Thanks! >>> >>> >>> U-Boot 2016.01 (Feb 02 2016 - 10:31:32 +0100) >>> >>> CPU: Freescale i.MX6SOLO rev1.3 at 792MHz >>> CPU: Industrial temperature grade (-40C to 105C) at 31C >>> Reset cause: POR >>> Board: MX6EXCEET >>> DRAM: 1 GiB >>> NAND: 256 MiB >>> MMC: FSL_SDHC: 0, FSL_SDHC: 1 >>> SF: Detected EN25Q80 with page size 256 Bytes, erase size 4 KiB, total 1 >>> MiB No panel detected: default to Hannstar-XGA >>> Display: Hannstar-XGA (1024x768) >>> In: serial >>> Out: serial >>> Err: serial >>> Net: Found Micrel KS8051/KS8081 PHY >>> FEC >>> Hit any key to stop autoboot: 0 >>> => usb start >>> starting USB... >>> USB0: Port not available. >>> USB1: USB EHCI 1.00 >>> scanning bus 1 for devices... 2 USB Device(s) found >>> >>> scanning usb for storage devices... 1 Storage Device(s) found >>> scanning usb for ethernet devices... 0 Ethernet Device(s) found >>> >>> => fatload usb 0 0x18000000 test.file >>> reading test.file >>> EHCI timed out on TD - token=0xac008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x128d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x801f8c80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x801f8c80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x801f8c80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x801f8c80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> EHCI timed out on TD - token=0x80008d80 >>> Error reading cluster >>> ** Unable to read file test.file ** > What happens if you do 'dcache off' and then read the file ? Unfortunately turning off dcache doesn't seem to change the behaviour. I'm still getting the same error messages.