[linux-audio-user] Low latency USB 1.1 card?

Frank Barknecht fbar at footils.org
Wed Jun 15 04:23:43 EDT 2005


Hallo,
Clemens Ladisch hat gesagt: // Clemens Ladisch wrote:

> Frank Barknecht wrote:
> > ALSA: could not start playback (Broken pipe)
> 
> There should be an error message in the system log.

I looked it up, and there is this: 

Jun 13 09:46:48 fliwatut kernel: usb 4-1: new full speed USB device
using uhci_hcd and address 2
Jun 13 09:46:48 fliwatut kernel: input: USB HID v1.00 Device [USB
Audio] on usb-0000:00:10.3-1
Jun 13 09:46:49 fliwatut usb.agent[8687]:      usbhid: already loaded
Jun 13 09:46:49 fliwatut input.agent[8747]:      evbug: blacklisted
Jun 13 09:46:49 fliwatut input.agent[8747]:      evdev: already loaded
Jun 13 09:46:49 fliwatut input.agent[8721]:      evbug: blacklisted
Jun 13 09:46:49 fliwatut input.agent[8721]:      evdev: already loaded
Jun 13 09:46:50 fliwatut usb.agent[8684]:      audio: blacklisted
Jun 13 09:46:50 fliwatut kernel: usbcore: registered new driver
snd-usb-audio
Jun 13 09:46:51 fliwatut usb.agent[8684]:      snd-usb-audio: loaded
successfully
Jun 13 09:48:05 fliwatut kernel: cannot submit datapipe for urb 0, err
= -28
Jun 13 09:48:43 fliwatut kernel: cannot submit datapipe for urb 0, err
= -28
Jun 13 09:49:24 fliwatut named[4124]: listening on IPv4 interface
ppp0, 213.196.204.19#53
Jun 13 09:49:25 fliwatut kernel: cannot submit datapipe for urb 0, err
= -28
Jun 13 09:49:25 fliwatut last message repeated 7 times


At that time, after trying Jack I also tried to run Pd (in OSS mode)
and Pd totally hung up, seemingly trying to access the device forever. 

Ciao
-- 
 Frank Barknecht                               _ ______footils.org__
             
          _ __latest track: "scans" _ http://footils.org/cms/show/41


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