[alsa-devel] TASCAM US122L

Philippe CARRIERE philippe-f.carriere at wanadoo.fr
Fri Oct 31 13:24:24 CET 2008

I discovered your previous email to alsa-devel recently. Had you a look to my further mail


which possibly answer part of your questions ?

A patch is required for ehci-hcd module to access pcm emulation.



>At Mon, 6 Oct 2008 13:11:48 +0200,
>Fernando Perfumo wrote:
>> Hello all,
>>     following is an extract of kern.log when connecting and disconecting a 
>> TASCAM US122L :
>> ( the pcm part of the us122L does not appear in /proc/asound/... but only 
>> the midi part.
>>   kernel : 2.6.27-rc5-git11, alsa-driver-1.0.18rc3 compiled separately of 
>> the kernel sources, alsa-lib-1.0.18rc3 and  alsa-utils-1.0.18rc3 )
>Most messages are from snd_printdd(), so it's no bug but verbose messages.
>> I'd appreciate some ideas about the segfault in alsactl and the ausence of 
>> the pcm functionality..
>alsactl segfault seems irrelevant.  Are you using the latest git version?

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