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Old 07-19-2004, 12:54 AM   #1
merri
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Registered: Jul 2004
Distribution: gentoo
Posts: 1

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atheros wireless not recognized


My apologies if the answer to this is obvious, but despite days of trying, it isn't to me. The basic problem, I cannot make my laptop recognize my Dlink DWL-G50 (rev B2, Atheros chipset) wireless card. On boot, my card shows up from the cardmgr, but it is claimed to be unsupported.
Quote:
Code:
cardmgr[9191]: unsupported card in socket 1
cardmgr[9191]: product info "Atheros Communications" ...
cardmgr[9191]: manfid 0x0271, 0x0012 function: 6 (network)
...
ath0 does not exist
preup ath0 failed
And yes, I do have wireless built into the kernel, so that isn't the problem!
My diagnosis is that the drivers aren't in a card services file, so I try to loadthe madwifi drivers myself
Quote:
Code:
modprobe ath_pci
/lib/modules...ath_pci.o: init_module: No such device
Hint: insmod errors can be caused by incorrect module 
parameters, including invalaid IO or IRQ parameters.
so, the dmesg output on this is
Quote:
Code:
PCI:No IRQ known for interrupt pin A of device. Please try using pci=biosirq
ath_pci: cache line not set, forcing 8
ath_pci: cannot reserve PCI memory region
ath_pci: No devices found, driver not installed
The card is there, cardctl sees it, cardmgr sees it, it worked fine a few days ago. But somehow, the IRQ, etc isn't being set. I suspected that this had something to do with ACPI, so I've tried every version of on and off support in t he kernel,I've tried pci=biosirq at startup (but this card should be picked up by hotplug, it is cardbus 3.3V.) I've recompiled several times, even realized that it is an old bios, so ACPI is turned off unless I put in ACPI force, but this doesn't seem to matter, same problems. Any suggestions would be greatly appreciated. I simply don't understand enough about how hotplug/pcmcia support interact with ACPI, although I suspect this is the problem.

Thanks in advance!
 
Old 08-06-2004, 11:28 AM   #2
_intrepidhero
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Registered: Sep 2003
Distribution: Suse 8.2 Pro
Posts: 8

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I have revision C2 of the same card and I had to create an ifcfg-ath0 file. I'm not sure if this is distro specific or not but in Fedora Core 2 I used this script. And it was in /etc/sysconfig/networking/devices/

STARTMODE=hotplug
TYPE=Wireless
DEVICE=ath0
BOOTPROTO=dhcp
NETMASK=255.255.255.0
ONBOOT=yes
WIRELESS=yes
WIRELESS_MODE=Managed
WIRELESS_ESSID=any
#WIRELESS_ENC_KEY=(wep key)
WIRELESS_RATE=54M
WIRELESS_IWPRIV=mode 3
MII_NOT_SUPPORTED=yes
 
  


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