From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-gg0-f177.google.com ([209.85.161.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SlTrs-0000Bl-Ls for barebox@lists.infradead.org; Sun, 01 Jul 2012 23:47:54 +0000 Received: by ggcs5 with SMTP id s5so4015334ggc.36 for ; Sun, 01 Jul 2012 16:47:49 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 2 Jul 2012 01:47:49 +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: Re: panda board crash when detecting usb devices To: barebox@lists.infradead.org Similar issue when shutdown barebox (before kernel startup): barebox@Texas Instrument's Panda:/ bootm /boot/uImage Image Name: Linux-3.5.0-rc5-00035-g3a9049e-d OS: Linux Architecture: ARM Type: Kernel Image Compression: uncompressed Data Size: 3868768 Bytes = 3.7 MB Load Address: 80008000 Entry Point: 80008000 commandline: console=ttyO2,115200 arch_number: 2791 Here1.1 unable to handle NULL pointer dereference at address 0x00000004 pc : [<8f00ab84>] lr : [<8f00ab74>] sp : 8cfffd48 ip : 8d001ce8 fp : 8d00ffb0 r10: 00000000 r9 : 8d00e2dd r8 : 8f03ba94 r7 : 8d00e2dd r6 : 80000100 r5 : 00000000 r4 : 8d014160 r3 : 00000000 r2 : 00000000 r1 : 0000000a r0 : 8f02820a Flags: nZCv IRQs off FIQs off Mode SVC_32 [<8f00ab84>] (ehci_halt+0x24/0x98) from [<8f00796c>] (devices_shutdown+0x28/0x44) [<8f00796c>] (devices_shutdown+0x28/0x44) from [<8f006a74>] (shutdown_barebox+0x8/0x10) [<8f006a74>] (shutdown_barebox+0x8/0x10) from [<8f022ef4>] (start_linux+0x1dc/0x238) [<8f022ef4>] (start_linux+0x1dc/0x238) from [<8f02313c>] (__do_bootm_linux+0x198/0x1c4) [<8f02313c>] (__do_bootm_linux+0x198/0x1c4) from [<8f00e668>] (do_bootm+0x6dc/0x7f8) [<8f00e668>] (do_bootm+0x6dc/0x7f8) 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) [<8f0238f8>] (unwind_backtrace+0x0/0xa8) from [<8f014520>] (panic+0x28/0x48) [<8f014520>] (panic+0x28/0x48) from [<8f023e98>] (do_exception+0x10/0x14) [<8f023e98>] (do_exception+0x10/0x14) from [<8f023f24>] (do_data_abort+0x2c/0x38) [<8f023f24>] (do_data_abort+0x2c/0x38) from [<8f023b30>] (data_abort+0x50/0x60) barebox 2012.06.0-00148-ga6e358b #0 Sun Jul 1 23:49:04 CEST 2012 On Mon, Jul 2, 2012 at 12:53 AM, Belisko Marek wrote: > 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 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