From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Trofimovich Date: Sat, 7 Aug 2010 23:57:01 +0300 Subject: [U-Boot] 'usb start' works very unstable In-Reply-To: <20100807154756.AD4D11536EF@gemini.denx.de> References: <20100807101848.636cb978@mosly> <20100807112205.A5D141536EF@gemini.denx.de> <20100807163957.52c1cceb@mosly> <20100807154756.AD4D11536EF@gemini.denx.de> Message-ID: <20100807235701.5d441ca5@mosly> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > > > > Heh, capacity is reported incorrectly, but it works am I'm able > > > > to load kernel from there. > > > The reason for this is that the multiplication 488397168 x 512 will > > > overflow a 32 bit integer as used in "disk/part.c"; this shouldbe > > > fixed... > > > > This issue is still here: > > Sorry for not being clear. What I meant was: this is a bug that needs > to be fixed (patches welcome). Oh, I've attached my solution. > > $sudo openocd -f /usr/share/openocd/scripts/board/sheevaplug.cfg > > Open On-Chip Debugger 0.5.0-dev-00466-g28ddefd (2010-08-06-22:54) > > ... > > > reset > > Hm... I am not sure what exactly the OpenOCD debugger does when you > run the reset command; eventually it performs some initializations > (defined in sheevaplug.cfg ?), and/or prevents others. The CPU may, or > may not, be in the virgin state expected by U-Boot. > > Detach the debugger, and perform a real hard reset instead. Or try to > configure the debugger not to perform any initializations (i. e. the > equivalent of the "reset run" command on BDI2000/30000). Sheevaplug has reset button on the box. So I've pushed it, no change. sh-4.0# hdparm /dev/sda /dev/sda: HDIO_DRIVE_CMD(identify) failed: Invalid exchange readonly = 0 (off) readahead = 256 (on) geometry = 30401/255/63, sectors = 488397168, start = 0 sh-4.0# sh-4.0# U-Boot 2010.06-00267-gb1f95b4 (Aug 07 2010 - 15:30:45) Marvell-Sheevaplug SoC: Kirkwood 88F6281_A0 DRAM: 512 MiB NAND: 512 MiB In: serial Out: serial Err: serial Net: egiga0 88E1116 Initialized on egiga0 Hit any key to stop autoboot: 0 Marvell>> usb start (Re)start USB... USB: Register 10011 NbrPorts 1 USB EHCI 1.00 scanning bus for devices... 2 USB Device(s) found scanning bus for storage devices... 0 Storage Device(s) found Kernel does not boot as well: [ 22.867512] Waiting for root device /dev/sda3... [ 22.973783] usb 1-1: device descriptor read/64, error -32 [ 23.203774] usb 1-1: device descriptor read/64, error -32 -- Sergei -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-disk-part.c-usb-storage-avoiding-overflow-when-outpu.patch Type: text/x-patch Size: 2210 bytes Desc: not available Url : http://lists.denx.de/pipermail/u-boot/attachments/20100807/1f8cbc37/attachment.bin -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: not available Url : http://lists.denx.de/pipermail/u-boot/attachments/20100807/1f8cbc37/attachment.pgp