On Wed, 27 Oct 2021 at 06:54, Philip Rhoades via users <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
Samuel,
On 2021-10-27 19:31, Samuel Sieb wrote:
> On 2021-10-26 10:10, Philip Rhoades via users wrote:
>> I am getting nothing recorded in /var/log/messages when I plug in the
>> GoPro and push its power button (plugging in any other USB device is
>> working of course) so maybe it is the USB port on the camera that is
>> the problem? - is there any way to debug that from the Fedora
>> workstation?
>
> After seeing Tim's message, I realized what you wrote. How do you
> have /var/log/messages? Run "sudo journalctl -fa" in a terminal
> before plugging in the cable and see if anything shows up.
Interesting - at first I got no response for a couple of the permuations
I had tried before - so I tried a new permutation of USB port and two
cables - an extension cable connected to a std USB cable with a micro
plug - which worked! Now I am confused about why ALL the other
permutations worked for ALL the other devices - besides the camera . .
weird - maybe it is an intermittent cable or camera problem? - hmm . .
more testing required . . at least I know now that the connection is not
100% failed . .
Thanks for responding - I appreciate it!
Glad your camera is still alive. Cables and connectors should always be a
prime suspect when things stop working. Having worked at an oceanographic
institute, salt air and cables is not a good combination. Cables and
connectors are vulnerable to damage from corrosion and vibration.
Cheap cables are also prone radio-frequency interference (RFI). You
can buy "contact enhancer" fluid such as "Stabilant 22" (used in aviation
and increasingly used by automakers and auto repair shops -- I'm in
Canada and Stabilant 22 is now sold by auto parts stores here).
USB3 uses signals that can cause RFI with older equipment.
I find that older USB2 devices are often more reliable when used with
an external hub so not connected to a socket on the back of a system
next to one being used by a USB3 device.
George N. White III
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