Re: [Bugme-new] [Bug 16050] New: The ibmcam driver is not working

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Andrew Morton wrote:
(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Tue, 25 May 2010 23:02:23 GMT
bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote:

https://bugzilla.kernel.org/show_bug.cgi?id=16050

               URL: https://bugzilla.redhat.com/show_bug.cgi?id=588900
           Summary: The ibmcam driver is not working
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.34
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
        AssignedTo: greg@xxxxxxxxx
        ReportedBy: davidsen@xxxxxxx
        Regression: Yes


This driver has been working, and around the 1st of May I updated my Fedora
kernel (FC13-RC) to current. The camera stopped working, so I built the latest
2.6.34-rc version and verified the problem. When 2.6.34 final released I
repeated the test and the driver is still not working.

Originally reported against Fedora (not going to be fixed in FC13) the
information in the Fedora report may be enough to identify the problem. I can
do a bit of test almost any day, but the cams are on a video monitoring system,
so I'm not able to do long bisects and such.


It's a 2.6.33 -> 2.6.34 regression, I think.  I don't know whether it's
a v4l problem or a USB one..

Sounds right, there's quite a bit of version information in the redhat BZ entry I noted, and I thought it was a Fedora issue at first. Then when Fedora support said it wasn't going to be fixed for FC13 I tried the kernel.org source instead. There are some initial comments from zaitcev@xxxxxxxxxx saying there were patches in git to make it work with fswebcam (don't use it), but it doesn't seem to with cheese, motion, or xawtv, so I'm unsure how "fixed" it is.

I'm ready to try stable releases as they come out, or git releases if need be. I have issues getting time on build machine or time of video server to do bisect, unfortunately. I looked at the patches all the way back to 2.6.27, and ibmcam looks inert, so the changes in v4l would be my first guess. Sorry I can't do more.

--
Bill Davidsen <davidsen@xxxxxxx>
 "We can't solve today's problems by using the same thinking we
  used in creating them." - Einstein

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