On 2021-02-06 00:22:12 (+0100), David Runge wrote:
> On 2021-02-05 12:26:38 (+0100), Sebastian Andrzej Siewior wrote:
> > On 2021-02-01 09:34:41 [+0100], To David Runge wrote:
> > > + firewire maintainer
> > > 
> > > On 2021-01-30 12:46:04 [+0100], David Runge wrote:
> > > > On 2021-01-29 18:04:14 (+0100), Sebastian Andrzej Siewior wrote:
> > > > > I don't see anything wrong. There is small difference in timing and
> > > > > then the RT version does not do a thing while !RT keeps reseting…
> > > > > Could you try non-RT with the
> > > > > 	threadirqs
> > > > > 
> > > > > option?
> > > > 
> > > > Yes, (sorry for not including that earlier D:) that fails the same way
> > > > as the realtime kernel:
> > > > https://pkgbuild.com/~dvzrv/bugs/2021/01/linux-5.4.91-kernel_threadirqs.log
> > > 
> > > Could be specific to the chip or the ohci driver. Either way, the problem
> > > are the threaded interrupts.
> > 
> > David, could you please try a v5.10 kernel with threadirqs? I've been
> > just told that it works there on a ppc64 box.
> 
> I have now tried with our vanilla 5.10.13 kernel, as I have issues
> getting 5.10.12-rt26 to boot at all on my machine (will try to
> investigate that tomorrow).

With 5.10.12-rt26 the controller still does not initialize at all
though (/dev/fw0 does not appear):
https://pkgbuild.com/~dvzrv/bugs/2021/01/linux-5.10.12-rt26-kernel.log

Best,
David

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