R: [cpia] USB CAM crash

[Johannes Erdfelt]

Could you giv us some more information? Such as some logs? Run dmesg
after you have some problems and there should be some messages which may
give us some information.

JE

On Wed, May 03, 2000, Piero Campanelli <piero.campanelli@galactica.it> wrote:
> Hi
> 
> The patch is present in the kernel pre6 (i have seen this code in soruce
> kernel)...so I think the problem is more serious :-)
> 
> This is the report for today:
> 
> Started at 9.00 am
> Crash at 9.43 (reboot)
> Crash at 15.30 (reboot)
> 
> At the moment is live....
> 
> I do every 56 second a
> 
> vidcat -f jpeg -d /dev/video1 ...
> 
> Byeee
> 
> 
> 
> : /usr/src/linux/drivers/char
> :
> : Look at the file cpia.c. Starting from the line 1579
> : you should see the code from the patch:
> :         retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data);
> : -       if (retval)
> : +       if (retval) {
> :                 DBG("%x - failed, retval=%d\n", command, retval);
> : -       else {
> : +               if (command == CPIA_COMMAND_GetColourParams ||
> : +                   command == CPIA_COMMAND_GetColourBalance ||
> : +                   command == CPIA_COMMAND_GetExposure)
> : +                       up(&cam->param_lock);
> : +       } else {
> :                 switch(command) {
> :                 case CPIA_COMMAND_GetCPIAVersion:
> :                         cam->params.version.firmwareVersion = data[0];
> :
> : I did not recompiled my kernel yet to verify the fix.
> :
> : Regards,
> :
> : Jacob Nikom
> :
> :
> : Piero Campanelli wrote:
> : >
> : > Hi.
> : >
> : > I am loading kernel 2.3.99pre6 (so I think with the latest
> : patchs of cpia
> : > driver). However after 30 minutes drivers crash !
> : > When i do a new videocapture I receive:
> : >
> : > Can't open device /dev/video
> : >
> : > So the only thing I can do is to reboot the machine. Could you help me ?
> : > Evetnually how can i refix it without rebooting ?
> : >
> : > Tnx
> : >
> : > _______________________________________________
> : > cpia mailing list  -  cpia@risc.uni-linz.ac.at
> : > http://mailman.risc.uni-linz.ac.at/mailman/cgi-bin/listinfo/cpia
> 
> 
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