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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 04-16-2003, 02:40 PM   #1
dubG
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Registered: Apr 2003
Location: Irvine, California USA
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Calling all PCMCIA/Wireless gurus


Okay, here's the thing. I know there are tons of posts on problems with the Linksys "instant wireless" WPC11, and they have all helped very much. However, I've run into a problem that I cannot find information on in any of the other posts. I've already installed the PCMCIA_CS package, and it's all set up.. I can load pcmcia_core, i82365, ds, orinoco_cs all correctly on their IF i do them manually through modprobe/insmod, but theres one problem... When I put my card into the slot (or, whenver PCMCIA is restarted or I reboot) I get the following error:

cardmgr[51] Socet 1: Linksys WPC11 11Mbps 802.11b Wlan Card
kernel: orinoco_cs REQUEST IRQ: Resource in Use
cardmgr[51] get dev info on socet 1 failed: Resource temporarily unavailable

As you can see.. cardmgr recognizes the card, and tries to load the correct module, but errors out when trying to initialize the card. I cannot find any information on this error that has helped me. *ANY* help is *GREATLY* appreciated, as I'm trying desperately to get this to work.
 
Old 04-16-2003, 02:40 PM   #2
dubG
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BTW, I'm using Slackware 9.0 for reference
 
Old 04-16-2003, 10:59 PM   #3
finegan
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Registered: Aug 2001
Location: Dublin, Ireland
Distribution: Slackware
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Its an IRQ conflict... its the kernel doing the requesting, but its the yenta_socket driver... so, you should be able to check the file:

/proc/interrupts

and take note of what's being used, and then go to:

/etc/pcmcia/config.opts

And start excluding irqs from there.

There's also a way to get cardmgr to not hand out certain IRQs through /etc/rc.d/rc.pcmcia, but I can't remember the syntax for CARDMGR_OPTS=, its on the pcmcia-cs site... I think it may even be in cardmgr's man page, check back if you can't find it.

Cheers,

Finegan
 
Old 05-21-2003, 03:47 AM   #4
tobythelard
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Registered: Feb 2002
Location: Munich, Germany
Distribution: SuSE 7.3
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Perhaps you can help me too....

A related topic but different setup. PCMCIA Orinoco wireless LAN card in a PCI bridge card, in a very old Dell 100MHz desktop machine running SuSE Linux 8.1.

It seems that the bridge card is correctly identified as a TI1410 (as supplied by Lucent with the PCMCIA cards), and the Orinoco card is also visible (although the power light is always off).

The PCMCIA-HOWTO is very helpful - it seems I have an IRQ resource conflict, common on old motherboards, apparently. But now I'm confused. I get messages like this:

PCI: No IRQ known for interrupt pin A of device 01:0E.0

Seems to be some problem with routing of CPU interrupts to the pin A of the PCI card, and how these are used on the PCMCIA socket.

Any suggestions what to do next?
 
Old 05-21-2003, 03:16 PM   #5
finegan
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Its not a bridge as far as I remember, the TI1410 is an outright pcmcia device, so its like having a laptop, and you can swap in any card you want into that... which is bloody neat!

However, it has seemed to barf on assigning the TI an IRQ. This may be a number of reasons, one of which could very well be the PCI compliance level of the P1 mobo you have. Check the manual on the card to see if it requires PCI 2.1 or greater, and then check "dmesg" on the P1 100 to see if the PCI bios is 2.1 or 2.0, big difference.

You're looking for something like:
Code:
PCI: PCI BIOS revision 2.10 entry at 0xfdb01, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Using IRQ router SIS [1039/0008] at 00:02.0
PCI: Found IRQ 11 for device 00:0d.0
PCI: Sharing IRQ 11 with 00:02.7
If that duck is in line, see if you can manually assign IRQs in Bios to the various PCI slots.

Also you can monkey with /etc/pcmcia/config.opts and since we're talking SuSe, /etc/rc.d/init.d/pcmcia to hand it various odd IRQ options.

Cheers,

Finegan
 
Old 05-22-2003, 02:17 AM   #6
tobythelard
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Registered: Feb 2002
Location: Munich, Germany
Distribution: SuSE 7.3
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Hi Finegan,

Thanks for the tips - I'll have one last check tonight but I was digging around on the net last night and found an article that explains motherboards with mixed PCI and ISA slots (which this one has) are a bit tricky to set up. Why they're so awkward, exactly, I've no idea.

For now I've given in and for 12 euro bought a 3Com wired card. Not the right spirit I know, but it can become a challenge to resume later.

Toby
 
  


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