On Sun, 25 Mar 2012, Gary Buhrmaster wrote:
> On Sun, Mar 25, 2012 at 19:46, Mike Isely <[email protected]> wrote:
> ....
> > Another idea - if you have a portable USB hard drive, plug it in as well
> > and run a repeated massive tar command to generate large amounts of I/O.
> > When you next get a failure, does the hard drive survive while the
> > tuners still fail? If the hard drive fails too, then you've just
> > exonerated the entire V4L subsystem and I'd then be looking really hard
> > at the USB stack.
>
> The op mentioned that he also had an APC UPS device
> that hung at the same time (although if I interpreted
> the posting correctly, that one recovered after the
> machine reboot; maybe it was not as confused and
> dazed as the pvrusb devices and was able to be
> reinitialized at boot).
Ah, I missed that part. Yes this is a pretty good clue that the USB
stack did something strange.
>
> AFAIK the APC device does not use the V4L subsystem
> (although you can never tell, APC is working at doing
> entire DC management, and maybe this one takes
> video/pictures of the site).
:-)
Last time I checked, V4L software still have nothing to do with UPS
devices!
>
> So, I am sticking with my WAG.
I agree.
-Mike
--
Mike Isely
isely @ isely (dot) net
PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8
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