Nicolas Mailhot wrote:
>
> Hi,
>
> Is something done about this ?
>
> * AMD-756 [Viper] USB has a serious erratum when
> used with
> * lowspeed devices like mice; oopses have been
> seen. The
> * vendor workaround needs an NDA ... for now,
> blacklist it.
>
> I have one of these beasts, I'm not using it for lowspeed
> devices but to make the dpcm driver oops on smartmedia, so
> this is a damn nuisance.
>
> Why blacklist all devices when only lowspped ones are
> concerned ?
There was a recent discussion on the linux-kernel mailing list
concerning this issue. See Miles Lane's originating email at
http://www.uwsg.indiana.edu/hypermail/linux/kernel/0104.0/0400.html
and follow the thread. It will likely be fixed soon, courtesy
someone who knows someone in AMD.
I agree that blacklisting is undesirable, but it is the only case
that makes sense (given constraints of broken hardware, init
time decision making, hot-plugable oopses and limited developer
time).
There is a patch in the thread that may help you with particular
testing.
Brad
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