From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ob0-f177.google.com ([209.85.214.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SlT0w-0007mA-4U for barebox@lists.infradead.org; Sun, 01 Jul 2012 22:53:12 +0000 Received: by obbta17 with SMTP id ta17so7824546obb.36 for ; Sun, 01 Jul 2012 15:53:06 -0700 (PDT) MIME-Version: 1.0 Date: Mon, 2 Jul 2012 00:53:06 +0200 Message-ID: From: Belisko Marek List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: panda board crash when detecting usb devices To: barebox@lists.infradead.org In current next there is issue with usb command on panda board: barebox@Texas Instrument's Panda:/ usb USB: scanning bus for devices... unable to handle NULL pointer dereference at address 0x00000004 pc : [<8f00ac10>] lr : [<8f00a41c>] sp : 8cfffde0 ip : 8d001ce8 fp : 00000000 r10: 00000000 r9 : 8cffff44 r8 : 8f033a34 r7 : 00100100 r6 : 00200200 r5 : 8d014160 r4 : 8d01416c r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : 8d01416c Flags: nzCv IRQs off FIQs off Mode SVC_32 [<8f00ac10>] (ehci_init+0x1c/0x128) from [<8f00a41c>] (usb_rescan+0xa4/0xfc) [<8f00a41c>] (usb_rescan+0xa4/0xfc) from [<8f01332c>] (do_usb+0x4c/0x64) [<8f01332c>] (do_usb+0x4c/0x64) from [<8f0053e0>] (execute_command+0x38/0x7c) [<8f0053e0>] (execute_command+0x38/0x7c) from [<8f001aac>] (run_list_real+0x8b8/0x9b0) [<8f001aac>] (run_list_real+0x8b8/0x9b0) from [<8f001cec>] (parse_stream_outer+0x148/0x238) [<8f001cec>] (parse_stream_outer+0x148/0x238) from [<8f002074>] (run_shell+0x3c/0x7c) [<8f002074>] (run_shell+0x3c/0x7c) from [<8f006a1c>] (start_barebox+0xd4/0x10c) [<8f006a1c>] (start_barebox+0xd4/0x10c) from [<84081164>] (0x84081164) [<8f023898>] (unwind_backtrace+0x0/0xa8) from [<8f0144bc>] (panic+0x28/0x48) [<8f0144bc>] (panic+0x28/0x48) from [<8f023e38>] (do_exception+0x10/0x14) [<8f023e38>] (do_exception+0x10/0x14) from [<8f023ec4>] (do_data_abort+0x2c/0x38) [<8f023ec4>] (do_data_abort+0x2c/0x38) from [<8f023ad0>] (data_abort+0x50/0x60) It is crashing in ehci_halt() in first ehci_read call. IMO ehci_read access wrong memory (that is reason do data_abort?) I have rev. A2. Any ideas? Thanks, Marek -- as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox