Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261549AbTIXRqW (ORCPT ); Wed, 24 Sep 2003 13:46:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261559AbTIXRqV (ORCPT ); Wed, 24 Sep 2003 13:46:21 -0400 Received: from web40013.mail.yahoo.com ([66.218.78.53]:28257 "HELO web40013.mail.yahoo.com") by vger.kernel.org with SMTP id S261549AbTIXRqR (ORCPT ); Wed, 24 Sep 2003 13:46:17 -0400 Message-ID: <20030924174616.763.qmail@web40013.mail.yahoo.com> Date: Wed, 24 Sep 2003 10:46:16 -0700 (PDT) From: Brad Chapman Subject: Re: Problems with the maestro3 OSS driver on 2.6.0-test5-bk10 To: zab@zabbo.net Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5281 Lines: 141 Mr. Brown, UPDATE: Ugh, it fails on 2.6.0-test5-mm4 as well. Here are the Oopses: Unable to handle kernel NULL pointer dereference at virtual address 00000188 printing eip: e4cb4d38 *pde = 00000000 Oops: 0000 [#1] PREEMPT CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00210002 EIP is at m3_open+0x12d/0x3ad [maestro3] eax: d324c000 ebx: 00000000 ecx: dfb4f904 edx: d2fef500 esi: dfb4f8f4 edi: 00000003 ebp: dfb4f904 esp: d324de98 ds: 007b es: 007b ss: 0068 Process mplayer (pid: 1260, threadinfo=d324c000 task=d5120300) Stack: e4cb6a91 00000077 c018a343 dfca129c d324df00 d324defc 00000000 d9bfc300 00200246 ff003850 d324c000 e4c90f40 00000000 00000003 e4c8fa59 df5adb4c d2fef500 00e00003 d324df28 d88e0794 d324c000 c0183718 e4cb9980 d324c000 Call Trace: [] link_path_walk+0x85e/0xdd2 [] soundcore_open+0x2a3/0x626 [soundcore] [] exact_match+0x0/0x5 [] chrdev_open+0x220/0x616 [] get_empty_filp+0x75/0xe8 [] chrdev_open+0x0/0x616 [] dentry_open+0x14d/0x218 [] filp_open+0x67/0x69 [] sys_open+0x5b/0x8b [] sysenter_past_esp+0x43/0x65 Code: db 89 e9 ff 4e 10 0f 88 58 1b 00 00 8b 54 24 40 0f b7 42 1c 66 85 46 58 75 9d 9c 8f 44 24 20 fa b8 00 e0 ff ff 21 e0 83 40 14 01 <81> bb 88 01 00 00 3c 4b 24 1d 74 26 8d 83 88 01 00 00 c7 44 24 <6>note: mplayer[1260] exited with preempt_count 2 bad: scheduling while atomic! Call Trace: [] schedule+0x8ee/0x8f3 [] zap_pmd_range+0x48/0x64 [] unmap_page_range+0x43/0x69 [] unmap_vmas+0x22a/0x358 [] exit_mmap+0xce/0x2b7 [] mmput+0xc8/0x170 [] do_exit+0x27e/0x8e1 [] do_divide_error+0x0/0xfb [] do_page_fault+0x20d/0x54b [] blk_run_queues+0x148/0x353 [] pty_write+0x1cd/0x1cf [] autoremove_wake_function+0x0/0x4f [] __copy_from_user_ll+0x74/0x78 [] find_get_page+0x7a/0x161 [] do_page_fault+0x0/0x54b [] error_code+0x2f/0x38 [] m3_open+0x12d/0x3ad [maestro3] [] link_path_walk+0x85e/0xdd2 [] soundcore_open+0x2a3/0x626 [soundcore] [] exact_match+0x0/0x5 [] chrdev_open+0x220/0x616 [] get_empty_filp+0x75/0xe8 [] chrdev_open+0x0/0x616 [] dentry_open+0x14d/0x218 [] filp_open+0x67/0x69 [] sys_open+0x5b/0x8b [] sysenter_past_esp+0x43/0x65 bad: scheduling while atomic! Call Trace: [] schedule+0x8ee/0x8f3 [] zap_pmd_range+0x48/0x64 [] unmap_page_range+0x43/0x69 [] unmap_vmas+0x22a/0x358 [] exit_mmap+0xce/0x2b7 [] mmput+0xc8/0x170 [] do_exit+0x27e/0x8e1 [] do_divide_error+0x0/0xfb [] do_page_fault+0x20d/0x54b [] blk_run_queues+0x148/0x353 [] pty_write+0x1cd/0x1cf [] autoremove_wake_function+0x0/0x4f [] __copy_from_user_ll+0x74/0x78 [] find_get_page+0x7a/0x161 [] do_page_fault+0x0/0x54b [] error_code+0x2f/0x38 [] m3_open+0x12d/0x3ad [maestro3] [] link_path_walk+0x85e/0xdd2 [] soundcore_open+0x2a3/0x626 [soundcore] [] exact_match+0x0/0x5 [] chrdev_open+0x220/0x616 [] get_empty_filp+0x75/0xe8 [] chrdev_open+0x0/0x616 [] dentry_open+0x14d/0x218 [] filp_open+0x67/0x69 [] sys_open+0x5b/0x8b [] sysenter_past_esp+0x43/0x65 Debug: sleeping function called from invalid context at include/asm/semaphore.h:119 in_atomic():1, irqs_disabled():0 Call Trace: [] __might_sleep+0x9c/0xb6 [] remove_shared_vm_struct+0x41/0x96 [] exit_mmap+0x1d9/0x2b7 [] mmput+0xc8/0x170 [] do_exit+0x27e/0x8e1 [] do_divide_error+0x0/0xfb [] do_page_fault+0x20d/0x54b [] blk_run_queues+0x148/0x353 [] pty_write+0x1cd/0x1cf [] autoremove_wake_function+0x0/0x4f [] __copy_from_user_ll+0x74/0x78 [] find_get_page+0x7a/0x161 [] do_page_fault+0x0/0x54b [] error_code+0x2f/0x38 [] m3_open+0x12d/0x3ad [maestro3] [] link_path_walk+0x85e/0xdd2 [] soundcore_open+0x2a3/0x626 [soundcore] [] exact_match+0x0/0x5 [] chrdev_open+0x220/0x616 [] get_empty_filp+0x75/0xe8 [] chrdev_open+0x0/0x616 [] dentry_open+0x14d/0x218 [] filp_open+0x67/0x69 [] sys_open+0x5b/0x8b [] sysenter_past_esp+0x43/0x65 Should I just try the ALSA drivers w/OSS emulation? I know I should be using them but Red Hat 9 is quite involved to get complete ALSAness working on it.... Brad __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/