FW: Resolving IRQ conflicts with 4.8

Sat Nov 8 12:00:32 PST 2003

I'm forwarding a thread from 'questions' in hopes of getting some help.
Unfortunately, the msg contains a top-post.
I hope you can sort it out.
Please CC me directly, I'm not subscribed.
Thank you.

> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org 
> [mailto:owner-freebsd-questions at freebsd.org] On Behalf Of 
> Charles Howse
> Sent: Saturday, November 08, 2003 1:17 PM
> To: fbsd_user at a1poweruser.com; freebsd-questions at freebsd.org
> Subject: RE: Resolving IRQ conflicts with 4.8
> 
> 
> > The problem you describe is becoming common in the 4.x versions of
> > FBSD.
> > I have seen these solutions voiced previously in this list.
> > 
> > 1. Check the PC's bios, look for a toggle to disable plug-n-play
> > function.
> > 
> > 2. Check that your PCI cards are not in the first or last PCI
> > expansion
> > slot on the motherboard.
> > 
> > 3 add   option   PCI_ENABLE_IO_MODES
> > to your kernel source and recompile. See LINT
> > 
> > 4. add   device  puc
> >          option  PUC_FASTINTR
> > to your kernel source and recompile. See LINT
> > 
> > 5. Follow bug fix using this url
> > http://www.freebsd.org/cgi/query-pr.cgi?pr=40636
> > 
> > 6. check /var/boot/dmesg.boot file to see if your pci cards are
> > found
> > as unknown. See FBSD FAQ for instructions on how to fix.
> > 
> > 
> > Try one of the above one at a time until your problem goes away.
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > -----Original Message-----
> > From: owner-freebsd-questions at freebsd.org
> > [mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Charles
> > Howse
> > Sent: Wednesday, November 05, 2003 10:27 AM
> > To: freebsd-questions at freebsd.org
> > Subject: Resolving IRQ conflicts with 4.8
> > 
> > Hi,
> > If this post is considered off-topic, forgive me. Perhaps someone
> > might be
> > willing to work with me off-list?
> > 
> > I have 3 PCI devices using IRQ 9!
> > The modem, nic and built-in sound card.
> > I've physically removed the modem, because it was being detected
> > before the
> > nic, and I had no ability to network.
> > 
> > In BIOS, I have PnP OS set to "No".
> > There is a setting to allow resources to be controlled manually, but
> > this
> > defaults to "Legacy ISA device".
> > Since I have no ISA devices, this won't work.
> > 
> > I noticed from output of dmesg, that it does some probing for PnP
> > devices:
> > 
> > Probing for PnP devices on ppbus0:
> > ppbus0: <Hewlett-Packard HP LaserJet 1100.1.0> PRINTER MLC,PCL,PJL
> > 
> > What, if anything can I do so that I can have my nic, modem, and
> > sound card
> > detected during boot?
> > --
> 
> Thanks for the reply, this is excellent information.
> Moving the modem away from the last PCI slot allowed it to be 
> detected.
> 
> I still have the on-board sound device listed as "unknown", so I have
> jumped from your suggestion #2 to #6.
> (Device listed as "unkown".)
> I have not recompiled the kernel yet.
> 
> I have refered to the FBSD FAQ you referenced, and have an 
> issue there.
> 
> Pnpinfo does not list any PnP devices, so I have to use pciconf -vl.
> Here is it's output re the sound card:
> 
> none0 at pci0:18:0: class=0x040100 card=0x13711274 
> chip=0x13711274 rev-ox08
> hdr=0x00
> Vendor = 'Creative (was: Ensoniq)'
> Device = 'ES1371, ES1373 Audio PCI'
> Class = multimedia
> Subclass = audio
> 
> (I've typed this from my notes, capitals and tabs may be incorrect.)
> 
> The FAQ says:
> 
> [snip]
> Alternatively, if pnpinfo(8) does not list the card in question,
> pciconf(8) can be used instead. This is part of the output 
> from pciconf
> -vl for an onboard sound chip:
> 
> # pciconf -vl
> chip1 at pci0:31:5:        class=0x040100 card=0x00931028 chip=0x24158086
> rev=0x02 hdr=0x00
>     vendor   = 'Intel Corporation'
>     device   = '82801AA 8xx Chipset AC'97 Audio Controller'
>     class    = multimedia
>     subclass = audio
> Here, you would use the chip value, ``0x24158086''.
> 
> [snip]
> You should first make a backup of sio.c just in case things go wrong.
> You will also need it to make the patch to submit with your 
> PR (you are
> going to submit a PR, are you not?) then edit sio.c and search for the
> line
> 
> static struct isa_pnp_id sio_ids[] = {
> then scroll down to find the correct place to add the entry for your
> device. The entries look like this, and are sorted on the ASCII Vendor
> ID string which should be included in the comment to the right of the
> line of code along with all (if it will fit) or part of the Device
> Description from the output of pnpinfo(8):
> 
> {0x0f804f3f, NULL},     /* OZO800f - Zoom 2812 (56k Modem) */
> {0x39804f3f, NULL},     /* OZO8039 - Zoom 56k flex */
> {0x3024a341, NULL},     /* PMC2430 - Pace 56 Voice Internal Modem */
> {0x1000eb49, NULL},     /* ROK0010 - Rockwell ? */
> {0x5002734a, NULL},     /* RSS0250 - 5614Jx3(G) Internal Modem */
> Add the hexadecimal Vendor ID for your device in the correct 
> place, save
> the file, rebuild your kernel, and reboot. Your device should now be
> found as an sio device as it was under FreeBSD 3.X
> 
> My issue is:
> Apparently, it is important to add the new listing in the 
> correct place
> in sio.c, as well as adding the ASCII Vendor ID String.
> Since I had to get the device info from pciconf instead of pnpinfo, I
> have no 7 character ASCII Vendor ID String (like RSS0250 in the listed
> example above).
> There is no example on how to format a new entry if you only have the
> output from pciconf.
> So...how should my new entry look and where should I place it 
> in sio.c?
> 
> 
> 
> 
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