> > host system error, PCI problems?
> > host controller halted, very bad
> >
> > Yack, that doesn't sound good. ...
>
> According to the UHCI spec, possible causes for a Host System Error are:
> PCI Parity Error, PCI Master Abort and PCI Target Abort. I'm not a PCI
> guru so I couldn't tell you what those mean.
Translate to OHCI, and it's a "Unrecoverable Error" (UE)
interrupt. Current handling of this case is to disable
everything possible related to this USB controller, since
it's dead in the water anyway in a way that should get at
least some human attention. (rmmod/modprobe restarts.)
Should all HCDs stop dead in such cases? That's safer than
continuing into an all but certain error, I'd think.
- Dave
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