Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755972AbYBQIrW (ORCPT ); Sun, 17 Feb 2008 03:47:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753424AbYBQIrM (ORCPT ); Sun, 17 Feb 2008 03:47:12 -0500 Received: from mail-09.jhb.wbs.co.za ([196.2.97.6]:12538 "EHLO mail-09.jhb.wbs.co.za" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753060AbYBQIrJ (ORCPT ); Sun, 17 Feb 2008 03:47:09 -0500 X-Greylist: delayed 641 seconds by postgrey-1.27 at vger.kernel.org; Sun, 17 Feb 2008 03:47:08 EST X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAMuAt0fEAmHEh2dsb2JhbACQVAEBAQgKKZpP From: Bongani Hlope To: video4linux-list@redhat.com Subject: 2.6.25-rc[12] Video4Linux Bttv Regression Date: Sun, 17 Feb 2008 10:36:19 +0200 User-Agent: KMail/1.9.8 Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200802171036.19619.bonganilinux@mweb.co.za> X-Original-Subject: 2.6.25-rc[12] Video4Linux Bttv Regression X-Scan-Signature: f1a7e279f3b5c113402d8a8324db0cf8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5123 Lines: 96 The bttv driver seems to be experiencing problems in the 2.6.25-rcX kernels. I have the divided by error that Robert Fitzsimons has already reported (I'll test his patch and see if it fixes it for me) and I have the following Oops when I try to use the radio: BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [] __mutex_lock_slowpath+0x3b/0xb2 PGD 67671067 PUD 63f47067 PMD 0 Oops: 0002 [1] PREEMPT SMP CPU 0 Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq binfmt_misc loop nls_cp437 vfat fat nls_iso8859_1 ntfs dm_mod thermal processor fan container button pcspkr snd_pcm_oss snd_mixer_oss tuner tea5767 tda8290 tuner_xc2028 tda9887 tuner_simple mt20xx tea5761 snd_emu10k1 snd_rawmidi bttv snd_ac97_codec videodev ac97_bus v4l1_compat snd_pcm ir_common firewire_ohci firewire_core snd_seq_device compat_ioctl32 snd_timer uhci_hcd ehci_hcd v4l2_common ide_cd_mod crc_itu_t snd_page_alloc usbcore videobuf_dma_sg snd_util_mem videobuf_core ohci1394 btcx_risc i2c_viapro sr_mod snd_hwdep ieee1394 emu10k1_gp snd tg3 cdrom tveeprom gameport sg evdev soundcore Pid: 7197, comm: radio Tainted: G M 2.6.25-rc1 #20 RIP: 0010:[] [] __mutex_lock_slowpath+0x3b/0xb2 RSP: 0018:ffff81007df515e8 EFLAGS: 00010246 RAX: ffff81007f13ef10 RBX: ffff81007f13ef08 RCX: 0000000000000000 RDX: ffff81007df515e8 RSI: ffffffff88184050 RDI: ffff81007f13ef0c RBP: ffff81007df51628 R08: 0000000000000004 R09: ffff81007df51aa8 R10: ffff81007e680a40 R11: 0000000000000202 R12: ffff81007f13ef0c R13: ffff81007f13ef08 R14: ffff810063cfc040 R15: ffffffff88184050 FS: 00007fa8d92ba6f0(0000) GS:ffffffff805b2000(0000) knlGS:00000000f61fb980 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000676dc000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process radio (pid: 7197, threadinfo ffff81007df50000, task ffff810063cfc040) Stack: ffff81007f13ef10 0005049900000000 018060f7018060fa 0000000000000024 ffff81007df51aa8 ffff81007f13e800 ffff81007f13ef08 ffff81007e0e5800 ffff81007df51638 ffffffff80457083 ffff81007df51668 ffffffff88162f2f Call Trace: [] mutex_lock+0xe/0x10 [] :bttv:radio_g_tuner+0x40/0xa6 [] :videodev:__video_do_ioctl+0x2a6e/0x2e25 [] :v4l1_compat:v4l_compat_translate_ioctl+0xea9/0x1af5 [] ? :videodev:__video_do_ioctl+0x0/0x2e25 [] ? blk_recount_segments+0x3e/0x62 [] ? mempool_alloc_slab+0x11/0x13 [] ? mempool_alloc+0x48/0xf9 [] ? ext3_get_acl+0x87/0x332 [] ? __d_lookup+0x125/0x137 [] ? do_lookup+0x63/0x1b1 [] ? dput+0x22/0x120 [] ? __link_path_walk+0xbbd/0xd1b [] ? ext3_get_acl+0x87/0x332 [] ? native_read_tsc+0x11/0x22 [] ? __delay+0x27/0x59 last message repeated 2 times [] ? __udelay+0x40/0x42 [] ? i2c_stop+0x47/0x4b [] ? bit_xfer+0x412/0x423 [] ? i2c_transfer+0x79/0x85 [] ? :tuner_simple:simple_set_params+0x2bd/0xc1c [] ? get_unused_fd_flags+0x10d/0x11c [] ? touch_atime+0xe3/0xec [] ? mntput_no_expire+0x20/0x8f [] ? :tuner:fe_set_params+0x46/0x48 [] ? :tuner:set_radio_freq+0x159/0x162 [] ? klist_dec_and_del+0x14/0x16 [] ? klist_next+0x6b/0x8a [] ? i2c_cmd+0x0/0x3e [] ? device_for_each_child+0x4c/0x5c [] :videodev:__video_do_ioctl+0x139/0x2e25 [] ? :bttv:bttv_call_i2c_clients+0x16/0x18 [] ? :bttv:audio_mux+0x105/0x1b5 [] ? filemap_fault+0x1fe/0x371 [] :videodev:video_ioctl2+0x1b8/0x259 [] ? handle_mm_fault+0x341/0x697 [] vfs_ioctl+0x5e/0x77 [] do_vfs_ioctl+0x24d/0x262 [] ? do_page_fault+0x434/0x7aa [] sys_ioctl+0x42/0x67 [] system_call_after_swapgs+0x7b/0x80 Feb 15 08:42:03 bongani64 kernel: Feb 15 08:42:03 bongani64 kernel: Code: 89 fb 4c 89 e7 48 83 ec 20 65 4c 8b 34 25 00 00 00 00 e8 19 12 00 00 48 8d 43 08 48 8d 55 c0 48 8b 48 08 48 89 45 c0 48 89 50 08 <48> 89 11 48 83 ca ff 48 89 4d c8 4c 89 75 d0 48 89 d0 87 03 ff RIP [] __mutex_lock_slowpath+0x3b/0xb2 RSP CR2: 0000000000000000 ---[ end trace fdf145f4fc51dccd ]--- note: radio[7197] exited with preempt_count 1 -- 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/