On Thu, 19 Feb 2004, Benjamin Herrenschmidt wrote: > On Thu, 2004-02-19 at 00:52, Martin-Éric Racine wrote: > > I'm on an iMac CRT (rev.D, 333MHz). > > > > Today's CUPS upgrade in Sarge manages to kill kernels upon loading:
> > 1) Why do I get this timeout on IrDA port, even though this hardware has > > none? > > 2) How could trying to access the port manage to crash 2.6.3? > > There is something wrong, we don't know exactly what yet. Upon boot, > cups tries to do something to the serial ports (they may not have > connectors, but the SCCs are present in all Mac models). That turns > into the lockup you experienced. It's not 100% reproduceable though, > so I'm having a hard time tracking it down. Thanks for the explanation. > We "fixed" it on Linus G5 by not building the pmac_zilog serial > driver in the kernel, but of course, that's not a good long term solution. Here, I ended up building pmac_zilog as a module, since I don't have any IrDA port and I (currently) don't need the built-in modem either. However, as you said yourself, it's not a good long-term solution. -- Martin-Éric Racine, ICT Consultant http://www.pp.fishpool.fi/~q-funk/