Date: Thu, 24 Mar 2011 13:15:28 -0400 From: John Baldwin <jhb@freebsd.org> To: Steven Nikkel <steven_nikkel@ertyu.org> Cc: freebsd-hardware@freebsd.org Subject: Re: 8.x and Modems Message-ID: <201103241315.28747.jhb@freebsd.org> In-Reply-To: <M.O.0.1103240822440.21311@ertyu.org> References: <3052ba363957ef179b4531ed0362d494.squirrel@www2.ertyu.org> <201103230817.07347.jhb@freebsd.org> <M.O.0.1103240822440.21311@ertyu.org>
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On Thursday, March 24, 2011 9:26:16 am Steven Nikkel wrote: > On Wed, 23 Mar 2011, John Baldwin wrote: > > > On Wednesday, March 23, 2011 1:34:54 am Steven Nikkel wrote: > >> On Tue, 22 Mar 2011, John Baldwin wrote: > >>>>> On Monday, March 21, 2011 5:17:19 pm steven_nikkel@ertyu.org wrote: > >>>>>> I recently upgraded my trusty old 4.x system to 8.1 and the one little > >>> bit > >>>>>> I can't get working is the internal ISA modem in the system. On 4.x it > >>> was > >>>>>> detected automatically by the sio driver: > >>>>>> > >>>>>> /kernel: sio4: <U.S. Robotics Sportster 33600 FAX/Voice Int> at > >>> port > >>>>>> 0x3e8-0x3ef irq 5 on isa0 > >>>>>> /kernel: sio4: type 16550A > >>>>> > >> > >> Ok, here's the proper verbose dump: http://pastebin.com/DJ1z0k4D > >> I've set it back to PnP mode and taken out all the specific hints. > > > > Hmm, no helpful bootverbose messages in the pnp.c code it seems. > > > > Can you take a hand at adding printfs to sys/isa/pnp.c? Specifically, > > something like this: > > > > Index: pnp.c > > =================================================================== > > --- pnp.c (revision 219740) > > +++ pnp.c (working copy) > > @@ -743,10 +743,10 @@ pnp_isolation_protocol(device_t parent) > > printf("A Normal-ISA-PnP card (%s).\n", > > pnp_eisaformat(id.vendor_id)); > > } > > +#endif > > if (bootverbose) > > printf("Reading PnP configuration for %s.\n", > > pnp_eisaformat(id.vendor_id)); > > -#endif > > error = pnp_read_resources(&resources, &space, &len); > > if (error) > > break; > > > > That should at least list each card it finds in a verbose boot. If you get > > a message showing your card, then the next step is probably to see if > > pnp_read_resources() is failing. If it is you'd want to narrow down where it > > fails. If not then you'd want to trace pnp_create_devices() to see if it > > fails. > > > > Oh, and a 'devinfo -v' to make sure your device doesn't already exist might > > be a good sanity check as well. > > > > -- > > John Baldwin > > > > I updated to 8.2 and patched pnp.c as you proposed. Here's the result: > http://pastebin.com/AWpiBxRA > > It is the modem that is causing those 'PnP device failed to report > resource data' > and I don't see it appear in devinfo. Yes, so the next step would be to instrument pnp_read_resources() to see exactly where it is failing. -- John Baldwin
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