He means to use a user-space application that opens up "/dev/mem" and
manually writes to hardware registers.

In this case, if the stall goes away when you write to that register, a
pending transfer event not being processed could be the issue.

The other case I had to fix in the 2.6.10 audio driver (when I was
getting stalls) was to check the EDMA Missed event register, and to make
sure that that got cleared properly. 

 

Jerry Johns

Design Engineer

Nuvation Research Corp - Canada

Tel: (519) 746-2304 ext. 221

www.nuvation.com <http://www.nuvation.com> 

 

 

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