From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Revell Subject: Oops with emu10k1 multichannel device - possible bug Date: Fri, 18 Feb 2005 17:15:03 -0500 Message-ID: <1108764903.5278.3.camel@krustophenia.net> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel List-Id: alsa-devel@alsa-project.org Testing ALSA CVS on a new machine using the emu10k1 multichannel device produced this Oops. I am investigating. Although the multichannel patch was very well tested, until further notice the device should be considered buggy. Lee BUG: Unable to handle kernel paging request at virtual address 03020108 printing eip: e09ad9e6 *pde = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: realtime commoncap snd_emu10k1 snd_rawmidi snd_seq_device snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_util_mem snd_hwdep snd af_packet e100 mii uhci_hcd evdev psmouse usbhid ehci_hcd usbcore CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00210286 (2.6.11-rc4-RT-V0.7.39-02) EIP is at snd_emu10k1_pcm_init_voice+0x16/0x5e0 [snd_emu10k1] eax: 03020100 ebx: 00001700 ecx: 00000008 edx: d41caa08 esi: 00001700 edi: d41caa08 ebp: d41ca000 esp: de725e24 ds: 007b es: 007b ss: 0068 preempt: 00000001 Process jackd (pid: 5231, threadinfo=de724000 task=d5646550) Stack: d41ca000 0808001a 0000003f 00000000 00200212 00000001 00000000 df52ac00 000000ff 00000000 0e0d000c 00000000 00001700 00001700 0000000e de21bd80 e09ae386 d41ca000 00000000 00000000 d41caa08 00001680 00001700 00000080 Call Trace: [] snd_emu10k1_efx_playback_prepare+0xd6/0xf0 [snd_emu10k1] (68) [] snd_pcm_do_prepare+0x14/0x40 [snd_pcm] (52) [] snd_pcm_action_group+0x96/0x1b0 [snd_pcm] (16) [] snd_pcm_action_nonatomic+0x65/0xa0 [snd_pcm] (32) [] snd_pcm_prepare+0x1f/0x30 [snd_pcm] (36) [] snd_pcm_playback_ioctl1+0x52/0x370 [snd_pcm] (16) [] lock_kernel+0x2e/0x50 (44) [] snd_pcm_playback_ioctl_old+0x28/0x40 [snd_pcm] (20) [] do_ioctl+0x6f/0xa0 (20) [] vfs_ioctl+0x65/0x1e0 (36) [] sys_ioctl+0x67/0xa0 (36) [] syscall_call+0x7/0xb (40) Code: 00 00 06 89 f6 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 57 56 53 83 ec 30 8b 54 24 50 8b 7c 24 50 8b 6c 24 44 8b 42 10 <8b> 50 08 8b 4a 60 89 4c 24 1c 83 78 04 01 8b 77 04 0f 84 93 05 ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click