On Thu, 30 May 2013, Arnd Bergmann wrote:
I'll try to replicate your result. I don't have my USB audio device here today, so it will have to wait until tomorrow.
Strange enough, it seems to be working now, on a different base.
The kernel I tried last (based on yesterday's linux-next) also had other issues and was very slow, so it may have been something different.
My test ran successfully, no problems. I guess we can ignore this.
Alan Stern