Comment 193 for bug 1136110

Hi!
Finally I also upgraded to Kubuntu 14.04, and have also still the crackles. Since it is a very old Laptop, there are only USB 2.0 connectors, so for sure no USB-3.0 problem...

And: running on the same laptop daphile (which is a headless player based on Gentoo) works fine, without any problems. Wondering why it's fine with that one, but not Kubuntu...

So, let's see if I can help anything...

Here's my lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 0451:8200 Texas Instruments, Inc.
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

So, the 5th is the DAC, a Audiolab 8200CD. (no other USB devices connected)

dmesg gives a lot of outputs, so only ones that differ while playback are:
[19545.228188] 3:2:1: cannot get freq at ep 0x1
[19545.231204] 3:2:1: cannot get freq at ep 0x1
[19549.621200] delay: estimated 265, actual 44
(all other lines are similar to: [19550.940214] status interrupt: 80 02)

Since I am also more a user then a linux pro: what prompts might be useful to narrow the problem down?