kernel panic trying to utilize a da(4)/umass(4) device with
ohci(4)
Bernd Walter
ticso at cicely12.cicely.de
Fri Nov 21 12:30:11 PST 2003
On Fri, Nov 21, 2003 at 12:35:50PM -0500, Brian F. Feldman wrote:
> Doug White <dwhite at gumbysoft.com> wrote:
> > The OHCI driver is largely synced with NetBSD so you might see if they
> > have the same bug.
>
> I'll look around for a bootable NetBSD CD.
NetBSD is different in that point.
> > This might be the underlying wierdness we were seeing in gtetlow's
> > microdrive with transfers over 8k. The one-page-crossing ohci limitation
> > is really annoying.
>
> Is there a way to add a quirk for max 8k transfers or anything? Even though
> that would be patently lame, I'd like to get some sort of workaround here.
> I don't even know what is supposed to be the problem here -- the fact that
> it's an ohci controller, an ohci+ehci controller, or that it's some specific
> controller issue...
We never did any page crossing on ohci/ehci bevor the newbus change
took place.
--
B.Walter BWCT http://www.bwct.de
ticso at bwct.de info at bwct.de
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