Hi Bjorn,
I tried with "pci=routeirq" but the same behaviour.
Then I isolate uhci_hcd to be alone on IRQ 9, and I
can see that after a susp/resume cycle, the irq 9
count is still incrementing, but lsusb shows no new
device.
If I rmmod/insmod the uhci-hcd at this point, it
works.
So I think is not an IRQ problem.
Thanks,
Paul
--- Bjorn Helgaas <[EMAIL PROTECTED]> wrote:
> On Tue, 2004-12-28 at 22:11 -0500, Alan Stern wrote:
> > On Tue, 28 Dec 2004, Paul Ionescu wrote:
> >
> > > Hello all,
> > >
> > > With kernel 2.6.10, I have the following problem
> with uhci_hcd:
> > > After an ACPI S3 suspend it fails to see any USB
> device plugged in.
> > > If I unload the module and load it again, it
> works again.
> > > I hadn't this problem with previous kernels,
> where it worked just fine.
> > > Do you know something that changed between 2.6.9
> and 2.6.10 that could
> > > lead to this behavior ?
> > > It is ACPI or USB fault ?
> >
> > Nothing relevant has changed in the uhci_hcd
> driver, so far as I know.
> > I'd be inclined to guess that ACPI is the culprit.
> Have you tried booting
> > with "acpi=off", in both 2.6.9 and 2.6.10?
>
> You might also try "pci=routeirq". This works
> around some known
> issues with suspend/resume in 2.6.10.
>
>
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