mactel-support team mailing list archive

[Leann Ogasawara <leann@xxxxxxxxxx>]

Thanks Andreas.  I'm marking this Fix Released based on your last
comment.  Steffen, since you are the original bug reporter, if this is
not resolved for you with Intrepid feel free to reopen by setting the
status back to "New".  Thanks.

** Changed in: linux (Ubuntu)
       Status: Incomplete => Fix Released

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[hardy] uvcvideo: No valid video chain found with isight
https://bugs.launchpad.net/bugs/216310
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Status in Mactel Support: Won't Fix
Status in “linux” source package in Ubuntu: Fix Released

Bug description:
The isight firmware gets loaded correctly but it fails to register a video device:
[   62.810912] uvcvideo: No valid video chain found.

My system is up2date as of today.

Linux helios 2.6.24-16-generic #1 SMP Thu Apr 10 13:23:42 UTC 2008 i686 GNU/Linux

The driver fails in uvc_driver.c:
list_for_each_entry(streaming, &dev->streaming, list) {
                        if (streaming->header.bTerminalLink == term->id) {
                                dev->video.streaming = streaming;
                                found = 1;
                                break;
                        }
                }

                if (found)
                        break;
        }

        if (!found) {
                uvc_printk(KERN_INFO, "No valid video chain found.\n");
                return -1;
        }

I will attach lsusb -vv