On 12/21/06, Jon Smirl <jonsmirl@xxxxxxxxx> wrote: > On 12/21/06, Takashi Iwai <tiwai@xxxxxxx> wrote: > > At Thu, 21 Dec 2006 09:23:55 -0800, > > Pete Zaitcev wrote: > > > > > > On Wed, 20 Dec 2006 11:34:48 -0500, "Jon Smirl" <jonsmirl@xxxxxxxxx> wrote: > > > > > > Adding list to cc: > > > > > > > My new WebCam is a USB audio device and so is my sound system, PSC805. > > > > When I boot sound doesn't initially work. If I unplug the PSC805 and > > > > plug it back in again I get this. I don't get this using only one > > > > device at a time. > > > > > > > > [ 176.243298] usb 2-2: configuration #1 chosen from 1 choice > > > > [ 176.298092] kobject_add failed for card1 with -EEXIST, don't try to register things with the same name in the same directory. > > > > [ 176.298125] [<c01e690f>] kobject_add+0x10f/0x190 > > > > [ 176.298156] [<c023d1b7>] device_add+0xb7/0x530 > > > > [ 176.298177] [<c01e65df>] kobject_get+0xf/0x20 > > > > [ 176.298184] [<c01e69eb>] kobject_init+0x2b/0x40 > > > > [ 176.298201] [<c023d6c8>] device_create+0x88/0xc0 > > > > [ 176.298220] [<f8a21b87>] snd_card_register+0x2b7/0x320 [snd] > > > > [ 176.298253] [<f8867c74>] usb_driver_claim_interface+0x84/0xb0 [usbcore] > > > > > > Jon, sorry for the finger-pointing, but you better take it up with ALSA > > > people. It seems that snd_usb_audio_create calls snd_card_new incorrectly, > > > but I have no idea what the constrains on the ID are, so I won't try to > > > make a patch here. > > > > Is it 2.6.20 kernel? > > 2.6.20 patched with the ehci patches from mm. But it happens without > the mm patches too. > > > > > How is the status of /sys/class/sound before and after unplugging a > > device? > > Plugged-in at boot: > > jonsmirl@jonsmirl:/sys/class/sound$ ls > audio card0 controlC0 dsp mixer pcmC0D0c pcmC1D0p > audio1 card1 controlC1 dsp1 mixer1 pcmC1D0c timer > jonsmirl@jonsmirl:/sys/class/sound$ cat /proc/asound/cards > 0 [Camera ]: USB-Audio - USB Camera > OmniVision Technologies, Inc. USB Camera at > usb-0000:00:1d.1-1, full speed > 1 [U0x4710x155 ]: USB-Audio - USB Device 0x471:0x155 > USB Device 0x471:0x155 at usb-0000:00:1d.7-4.4, full speed > jonsmirl@jonsmirl:/sys/class/sound$ ls /proc/asound > Camera card0 card1 cards devices hwdep modules oss pcm seq > timers U0x4710x155 version > jonsmirl@jonsmirl:/sys/class/sound$ ls /proc/asound/card1 > id oss_mixer pcm0c pcm0p stream0 usbbus usbid > jonsmirl@jonsmirl:/sys/class/sound$ > > > [U0x4710x155 ] is not normal, for some reason it didn't get the > device name on this boot. Could be because I did a long fsck at boot. > > Unplug it: > jonsmirl@jonsmirl:/sys/class/sound$ ls > audio card0 card1 controlC0 dsp mixer pcmC0D0c timer > jonsmirl@jonsmirl:/sys/class/sound$ cat /proc/asound/cards > 0 [Camera ]: USB-Audio - USB Camera > OmniVision Technologies, Inc. USB Camera at > usb-0000:00:1d.1-1, full speed > jonsmirl@jonsmirl:/sys/class/sound$ ls /proc/asound > Camera card0 cards devices hwdep modules oss pcm seq timers version > jonsmirl@jonsmirl:/sys/class/sound$ > > No error in dmesg yet > Plug it back in > error is in dmesg > > jonsmirl@jonsmirl:/sys/class/sound$ ls > audio card0 controlC0 dsp mixer pcmC0D0c pcmC1D0p > audio1 card1 controlC1 dsp1 mixer1 pcmC1D0c timer > jonsmirl@jonsmirl:/sys/class/sound$ cat /proc/asound/cards > 0 [Camera ]: USB-Audio - USB Camera > OmniVision Technologies, Inc. USB Camera at > usb-0000:00:1d.1-1, full speed > 1 [PSC805 ]: USB-Audio - Philips PSC805 > Philips Electronics Philips PSC805 at > usb-0000:00:1d.7-4.4, full speed > jonsmirl@jonsmirl:/sys/class/sound$ ls /proc/asound/card1 > id oss_mixer pcm0c pcm0p stream0 usbbus usbid > jonsmirl@jonsmirl:/sys/class/sound$ > Full contents of kernel log entry: Something has stopped working between usb_audio and ALSA. When I boot my USB audio won't work, but if I remove it and plug it in again it works. I posted this on usb-dev and alsa-dev but everyone is gone. The error occurs when the device is plugged in a again. usb 2-1: new full speed USB device using uhci_hcd and address 3 usb 2-1: configuration #1 chosen from 1 choice ALSA sound/usb/usbaudio.c:2739: 3:1:1: add audio endpoint 0x1 ALSA sound/usb/usbaudio.c:2739: 3:2:1: add audio endpoint 0x82 ALSA sound/usb/usbmixer.c:989: [2] FU [PCM Playback Switch] ch = 1, val = 0/1/1 ALSA sound/usb/usbmixer.c:989: [2] FU [PCM Playback Volume] ch = 6, val = 0/32512/127 ALSA sound/usb/usbmixer.c:989: [5] FU [PCM Capture Switch] ch = 1, val = 0/1/1 ALSA sound/usb/usbmixer.c:989: [5] FU [PCM Capture Volume] ch = 2, val = 0/6144/768 kobject_add failed for card0 with -EEXIST, don't try to register things with the same name in the same directory. [<c01be26f>] kobject_add+0x10f/0x190 [<c020b0c7>] device_add+0xb7/0x530 [<c01bdf3f>] kobject_get+0xf/0x20 [<c01be34b>] kobject_init+0x2b/0x40 [<c020b5d8>] device_create+0x88/0xc0 [<f8a6cc47>] snd_card_register+0x2e7/0x3c0 [snd] [<f8865c74>] usb_driver_claim_interface+0x84/0xb0 [usbcore] [<f8a875bc>] usb_audio_probe+0x5dc/0xa30 [snd_usb_audio] [<c01257e7>] try_to_del_timer_sync+0x47/0x50 [<f8865b06>] usb_probe_interface+0x96/0xe0 [usbcore] [<c020d204>] really_probe+0x54/0x140 [<c020d339>] driver_probe_device+0x49/0xc0 [<c02af7e3>] klist_next+0x53/0xa0 [<c020c614>] bus_for_each_drv+0x44/0x70 [<c020d44a>] device_attach+0x7a/0x80 [<c020d3b0>] __device_attach+0x0/0x10 [<c020c556>] bus_attach_device+0x26/0x60 [<c020b465>] device_add+0x455/0x530 [<f8863e71>] usb_set_configuration+0x3f1/0x4d0 [usbcore] [<f886b867>] generic_probe+0x157/0x210 [usbcore] [<f8865753>] usb_probe_device+0x33/0x40 [usbcore] [<c020d204>] really_probe+0x54/0x140 [<c020d339>] driver_probe_device+0x49/0xc0 [<c02af7e3>] klist_next+0x53/0xa0 [<c020c614>] bus_for_each_drv+0x44/0x70 [<c020d44a>] device_attach+0x7a/0x80 [<c020d3b0>] __device_attach+0x0/0x10 [<c020c556>] bus_attach_device+0x26/0x60 [<c020b465>] device_add+0x455/0x530 [<f885f422>] __usb_new_device+0x92/0x120 [usbcore] [<f88607db>] hub_thread+0x74b/0xc10 [usbcore] [<c012f530>] autoremove_wake_function+0x0/0x50 [<f8860090>] hub_thread+0x0/0xc10 [usbcore] [<c012f37a>] kthread+0xba/0xf0 [<c012f2c0>] kthread+0x0/0xf0 [<c0103cab>] kernel_thread_helper+0x7/0x1c ======================= input: Philips Electronics Philips PSC805 as /class/input/input6 input,hiddev96: USB HID v1.00 Device [Philips Electronics Philips PSC805] on usb-0000:00:1d.1-1 ALSA sound/usb/usbaudio.c:1317: setting usb interface 1:1 ALSA sound/usb/usbaudio.c:1317: setting usb interface 1:1 > > > > > > > Takashi > > > > > -- > Jon Smirl > jonsmirl@xxxxxxxxx > -- Jon Smirl jonsmirl@xxxxxxxxx ------------------------------------------------------------------------- Take Surveys. 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