From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amaury Jacquot Subject: kernel 2.6 bug Date: Thu, 18 Dec 2003 22:26:10 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <3FE21B72.8090200@esitcom.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org hi I tried the 2.6 kernel today, and have a bug using snd-usb-audio with the oss emulation I use a gstreamer based player (I know, I could use alsasink) :D notes: * uhci USB * no modules support (everything in) * preemptible kernel on when preemptible is off, I only get the "cannot submit datapipe for urb " messages as shown below restarting the application gives sound again the application works in 2.4.23 with alsa 1.0.0-rc2 I get the following trace : bad: scheduling while atomic! Call Trace: [] schedule+0x70a/0x710 [] snd_pcm_oss_get_formats+0x23/0xc0 [] recalc_task_prio+0xb6/0x220 [] wait_for_completion+0x8c/0xf0 [] default_wake_function+0x0/0x20 [] default_wake_function+0x0/0x20 [] hcd_unlink_urb+0x1a1/0x2b0 [] snd_complete_urb+0x0/0xa0 [] hcd_submit_urb+0x110/0x190 [] usb_unlink_urb+0x2a/0x30 [] deactivate_urbs+0xb8/0xc0 [] snd_usb_pcm_trigger+0x58/0x60 [] snd_pcm_do_stop+0x19/0x20 [] snd_pcm_action_single+0x22/0x50 [] snd_pcm_action+0xf0/0x100 [] snd_pcm_stop+0x14/0x20 [] snd_pcm_update_hw_ptr+0x13d/0x1e0 [] snd_pcm_lib_write1+0x5d5/0x5f0 [] resample_expand+0x271/0x340 [] resample_expand+0x2ff/0x340 [] snd_pcm_lib_write+0x72/0xa0 [] snd_pcm_lib_write_transfer+0x0/0xc0 [] snd_pcm_oss_write3+0x50/0xb0 [] snd_pcm_plug_write_transfer+0x81/0xf0 [] snd_pcm_oss_write2+0xb1/0x130 [] snd_pcm_oss_write1+0x1c8/0x200 [] snd_pcm_kernel_playback_ioctl+0x27/0x30 [] snd_pcm_oss_write+0x36/0x50 [] vfs_write+0x9c/0x100 [] sys_write+0x2d/0x50 [] syscall_call+0x7/0xb bad: scheduling while atomic! Call Trace: [] schedule+0x70a/0x710 [] recalc_task_prio+0xb6/0x220 [] wait_for_completion+0x8c/0xf0 [] default_wake_function+0x0/0x20 [] default_wake_function+0x0/0x20 [] hcd_unlink_urb+0x1a1/0x2b0 [] snd_complete_urb+0x0/0xa0 [] hcd_submit_urb+0x110/0x190 [] usb_unlink_urb+0x2a/0x30 [] deactivate_urbs+0xb8/0xc0 [] snd_usb_pcm_trigger+0x58/0x60 [] snd_pcm_do_stop+0x19/0x20 [] snd_pcm_action_single+0x22/0x50 [] snd_pcm_action+0xf0/0x100 [] snd_pcm_stop+0x14/0x20 [] snd_pcm_update_hw_ptr+0x13d/0x1e0 [] snd_pcm_lib_write1+0x5d5/0x5f0 [] resample_expand+0x271/0x340 [] resample_expand+0x2ff/0x340 [] snd_pcm_lib_write+0x72/0xa0 [] snd_pcm_lib_write_transfer+0x0/0xc0 [] snd_pcm_oss_write3+0x50/0xb0 [] snd_pcm_plug_write_transfer+0x81/0xf0 [] snd_pcm_oss_write2+0xb1/0x130 [] snd_pcm_oss_write1+0x1c8/0x200 [] snd_pcm_kernel_playback_ioctl+0x27/0x30 [] snd_pcm_oss_write+0x36/0x50 [] vfs_write+0x9c/0x100 [] sys_write+0x2d/0x50 [] syscall_call+0x7/0xb cannot submit datapipe for urb 0, err = -22 cannot submit datapipe for urb 0, err = -22 cannot submit datapipe for urb 0, err = -22 cannot submit datapipe for urb 1, err = -22 cannot submit datapipe for urb 0, err = -22 cannot submit datapipe for urb 1, err = -22 cannot submit datapipe for urb 0, err = -22 cannot submit datapipe for urb 1, err = -22 ------------------------------------------------------- This SF.net email is sponsored by: IBM Linux Tutorials. Become an expert in LINUX or just sharpen your skills. Sign up for IBM's Free Linux Tutorials. Learn everything from the bash shell to sys admin. Click now! http://ads.osdn.com/?ad_id=1278&alloc_id=3371&op=click