Mark wrote: > I switched from RH8 to FC1 some time ago. After that my USB-camera, which is > connected to the PC with 2 single-port extension cables, didn't work anymore. > Versions FC2 and FC3-test3 (that I am running now) have the same problem. > Is there a solution to this problem? So is that USB port <-- extension cable --><-- extension cable --><-- USB camera --> or USB port <-- ext. cable --><-- ext. cable --><--camera cable--><-- camera --> How complex are those cables? How likely is it that there are chips in them? What happens if you take them out of the equation? > Here's some output that may be of any help: > <snip> > Nov 12 23:32:55 amdrvk kernel: usb 2-2.2: can't connect bus-powered hub to this port This message comes from drivers/usb/core/hub.c. Above it is the comment: /* consecutive bus-powered hubs aren't reliable; they can * violate the voltage drop budget. if the new child has * a "powered" LED, users should notice we didn't enable it * (without reading syslog), even without per-port LEDs * on the parent. */ The kernel may have become more fussy about proper cabling because the alternative may well be lost data. Hope this helps, James. -- E-mail address: james | ... File not found, I'll load something *I* think @westexe.demon.co.uk | is interesting.
