From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-15?Q?Martin_D=E4umler?= Subject: Linux 2.6.31.12-rt21 hangs on AT91 based board Date: Wed, 21 Sep 2011 11:48:06 +0200 Message-ID: <4E79B2D6.7040503@cs.tu-chemnitz.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE To: linux-rt-users@vger.kernel.org Return-path: Received: from nick.hrz.tu-chemnitz.de ([134.109.228.11]:41598 "EHLO nick.hrz.tu-chemnitz.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752508Ab1IUKTE (ORCPT ); Wed, 21 Sep 2011 06:19:04 -0400 Received: from postman.hrz.tu-chemnitz.de ([134.109.133.5] helo=mailbox.hrz.tu-chemnitz.de) by nick.hrz.tu-chemnitz.de with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1R6JPZ-0006Dm-Aq for linux-rt-users@vger.kernel.org; Wed, 21 Sep 2011 11:48:13 +0200 Received: from camo159-153.hrz.tu-chemnitz.de ([134.109.159.153]) by mailbox.hrz.tu-chemnitz.de with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.76) (envelope-from ) id 1R6JPZ-0004tm-7O for linux-rt-users@vger.kernel.org; Wed, 21 Sep 2011 11:48:13 +0200 Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hello, I want to use Linux 2.6.31.12-rt21 with a AT91SAM9G20 based board. I followed the instructions described in [1] and set the kernel options that are mentioned there (AEABI=3Dy, OABI_COMPAT=3Dn). Unfortunately, Linux hangs after mounting the root file system: #:rtc-pcf8563 0-0051: low voltage detected, date/time is not reliable. #:rtc-pcf8563 0-0051: retrieved date/time is not valid. #:rtc-pcf8563 0-0051: hctosys: invalid date/time #:VFS: Mounted root (jffs2 filesystem) on device 31:3. #:*********************************************************************= ******** #:* = =20 * #:* REMINDER, the following debugging options are turned on in your=20 =2Econfig: * #:* = =20 * #:* =20 CONFIG_DEBUG_RT_MUTEXES * #:* =20 CONFIG_LOCKDEP * #:* = =20 * #:* they may increase runtime overhead and=20 latencies. * #:* = =20 * #:*********************************************************************= ******** #:Freeing init memory: 124K Setting OABI_COMPAT=3Dy leads to the same output. Setting AEABI=3Dn lea= ds to: #:rtc-pcf8563 0-0051: low voltage detected, date/time is not reliable. #:rtc-pcf8563 0-0051: retrieved date/time is not valid. #:rtc-pcf8563 0-0051: hctosys: invalid date/time #:VFS: Mounted root (jffs2 filesystem) on device 31:3. #:*********************************************************************= ******** #:* = =20 * #:* REMINDER, the following debugging options are turned on in your=20 =2Econfig: * #:* = =20 * #:* =20 CONFIG_DEBUG_RT_MUTEXES * #:* =20 CONFIG_LOCKDEP * #:* = =20 * #:* they may increase runtime overhead and=20 latencies. * #:* = =20 * #:*********************************************************************= ******** #:Freeing init memory: 132K #:Kernel panic - not syncing: Attempted to kill init! #:Backtrace: #:[] (dump_backtrace+0x0/0xfc) from []=20 (dump_stack+0x18/0x1c) #: r6:00000001 r5:c1c1b020 r4:c0352edc #:[] (dump_stack+0x0/0x1c) from [] (panic+0x54/0x12= c) #:[] (panic+0x0/0x12c) from []=20 (find_new_reaper+0x74/0x90) #: r3:c032d690 r2:c1c1fdc8 r1:00000000 r0:c02e0f22 #:[] (find_new_reaper+0x0/0x90) from []=20 (forget_original_parent+0x34/0x114) #: r5:00000001 r4:c1c1b020 #:[] (forget_original_parent+0x0/0x114) from []=20 (exit_notify+0x18/0x150) #: r7:c1c1fee8 r6:00000001 r5:00000001 r4:c1c1b020 #:[] (exit_notify+0x0/0x150) from []=20 (do_exit+0x1d0/0x2a8) #: r5:00000004 r4:c1c1b020 #:[] (do_exit+0x0/0x2a8) from []=20 (do_group_exit+0x98/0xcc) #:[] (do_group_exit+0x0/0xcc) from []=20 (get_signal_to_deliver+0x268/0x29c) #: r7:c1c1fee8 r6:c1c1e000 r5:c1d4d824 r4:0830009f #:[] (get_signal_to_deliver+0x0/0x29c) from []=20 (do_signal+0xa4/0x1d8) #:[] (do_signal+0x0/0x1d8) from []=20 (do_notify_resume+0x30/0x34) #: r8:00000000 r7:00900000 r6:00000000 r5:40026000 r4:00000000 #:[] (do_notify_resume+0x0/0x34) from []=20 (work_pending+0x1c/0x20) Do you have a hint how to solve this problem? Is this problem solved in= =20 later versions, e.g. 2.6.33.7.2-rt30? With kind regards, Martin D=E4umler [1]=20 http://www.at91.com/linux4sam/bin/view/Linux4SAM/BuildRootFAQ#Failed_to= _mount_rootfs_system_ha -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html