Re: 2.4.30: pwc pwc_isoc_handler() called with status -84

[Marcelo Tosatti]

Hi Gabor, 

This seems to be a USB specific problem and my USB knowledge is null.

CCing Pete.

On Mon, Apr 04, 2005 at 08:59:57PM +0200, Gabor Z. Papp wrote:
> I have a Philips 750 webcam camera, equipped with a
> Sony CCD sensor + TDA878.
> 
> It was working fine with 2.4.29 and earlier kernels, often with
> 100-150 days uptime.
> 
> As I upgraded to 2.4.30-rc kernels, started getting such error in my
> kernel log:
> 
> pwc Too many ISOC errors, bailing out.
> pwc pwc_isoc_handler() called with status -84 [CRC/Timeout (could be anything)].
> 
> [khubd] got 100% cputime, and kernel just printed and printed this
> message to the log, generating huge files. :-)
> 
> rc4 is still doing this. 1-2 hour online, the something get mad and
> the pwc driver eat the cputime. 2.4.28 was 100% okay from this point
> of view.
> 
> http://gzp.odpn.net/tmp/pwc/
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