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Re: prism54pci fails to read eeprom on PowerPC, then bugs in pci code

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On Sat, Mar 17, 2007 at 12:50:32AM -0400, Pavel Roskin wrote:
> On Sat, 2007-03-17 at 00:37 -0400, Michael Wu wrote:
>> On Friday 16 March 2007 23:46, Paul TBBle Hampson wrote:
> >> The (built-in) bcm43xx-mac80211 driver works, but when I try to load a
> >> CardBus Atheros card I've got lying around with dadwifi-openhal, it
> >> fails with some sort of hardware error.  (ie. it _might_ be a dodgey
> >> Cardbus port, although both cardbus cards used to work in this machine,
> >> using prism54 hardmac and the dadwifi with atheros hal driver
> >> respectively)

>> Can you rule out the port first? Load the fullmac driver first, bring it up & 
>> down, unload it, and then try p54.

> Oh, and I'm amazed that somebody is using dadwifi-openhal verify the
> hardware!  It's in a pretty poor shape right now.  It prints some
> warnings because it starts with channel 0.  The interface can be brought
> up if you set a valid channel, and I think it might scan.

Well, since I'm at it:
Mar 17 17:28:19 su kernel: pccard: CardBus card inserted into slot 0
	] modprobe ath_pci (dadwifi-openhal)
Mar 17 17:40:02 su kernel: ath_hal: OpenHAL loaded (AR5210, AR5211, AR5212, RF5110/1/2)
Mar 17 17:40:02 su kernel: ath_pci: 0.9.4.5-dadwifi (svn r2196)
Mar 17 17:40:02 su kernel: cannot find mode element.
Mar 17 17:40:02 su kernel: cannot find mode element.
Mar 17 17:40:02 su kernel: wmaster1: Selected rate control algorithm 'simple'
Mar 17 17:40:02 su kernel: wiphy7: mac 7.9 phy 4.5 radio 5.6
Mar 17 17:40:02 su kernel: wiphy7: Use hw queue 6 for CAB traffic
Mar 17 17:40:02 su kernel: wiphy7: Use hw queue 7 for beacons
Mar 17 17:40:02 su kernel: wiphy7: : mem=0xf3000000, irq=53
	] iwconfig wlan1 channel 1
	] ifup
lots of:
Mar 17 17:40:56 su kernel: ar5k_ar5212_set_txpower_limit: changing txpower to 9999
Mar 17 17:40:56 su kernel: ar5k_ar5212_txpower: invalid tx power: 9999
Mar 17 17:40:56 su kernel: ar5k_ar5212_set_txpower_limit: changing txpower to 0
during which it:
Mar 17 17:40:55 su kernel: wlan1: starting scan
Mar 17 17:40:56 su kernel: wlan1: scan completed
Mar 17 17:40:56 su kernel: wlan1: Initial auth_alg=0
Mar 17 17:40:56 su kernel: wlan1: authenticate with AP 00:14:6c:ed:c1:76
Mar 17 17:40:56 su kernel: rate_control_lowest_rate - no supported rates found
Mar 17 17:40:56 su kernel: wlan1: authenticate with AP 00:14:6c:ed:c1:76
Mar 17 17:40:56 su kernel: rate_control_lowest_rate - no supported rates found
Mar 17 17:40:56 su kernel: wlan1: authenticate with AP 00:14:6c:ed:c1:76
Mar 17 17:40:56 su kernel: rate_control_lowest_rate - no supported rates found
Mar 17 17:40:57 su kernel: wlan1: authentication with AP 00:14:6c:ed:c1:76 timed out

	] if I ifup without iwconfig wlan1 channel 1:
Mar 17 17:28:58 su kernel: ar5k_ar5212_nic_wakeup: invalid radio frequency mode
Mar 17 17:28:58 su kernel: wiphy3: unable to reset hardware: 'Hardware I/O Error' (HAL status 2) (freq 0 flags 0x0)
	] rmmod
Mar 17 17:44:20 su kernel: ar5k_ar5212_get_isr: 0x00000000
Mar 17 17:44:20 su kernel: ath_pci: driver unloaded
Mar 17 17:44:20 su kernel: ath_hal: driver unloaded

	] modprobe ath_pci (dadwifi)
Mar 17 17:46:29 su kernel: ath_hal: 0.9.18.0 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413, REGOPS_FUNC)
Mar 17 17:46:29 su kernel: ath_pci: 0.9.4.5-dadwifi (svn r2195)
Mar 17 17:46:29 su kernel: ath_pci: unable to attach hardware: 'Hardware revision not supported' (HAL status 13)
Mar 17 17:46:32 su kernel: pccard: card ejected from slot 0
Mar 17 17:46:36 su kernel: pccard: CardBus card inserted into slot 0
Mar 17 17:46:36 su kernel: PCI: Enabling device 0001:11:00.0 (0000 -> 0002)
Mar 17 17:46:36 su kernel: cannot find mode element 0
Mar 17 17:46:36 su kernel: wmaster1: Selected rate control algorithm 'simple'
Mar 17 17:46:36 su kernel: wiphy9: mac 7.9 phy 4.5 radio 5.6
Mar 17 17:46:36 su kernel: wiphy9: Use hw queue 8 for CAB traffic
Mar 17 17:46:36 su kernel: wiphy9: Use hw queue 9 for beacons
Mar 17 17:46:36 su kernel: wiphy9: Atheros 5212: mem=0xf3000000, irq=53
	] iwconfig wlan1 channel 1
	] ifup
Mar 17 17:46:57 su kernel: wmaster1: Does not support passive scan, disabled
Mar 17 17:46:57 su kernel: wlan1: starting scan
Mar 17 17:46:58 su kernel: wlan1: scan completed
Mar 17 17:46:58 su kernel: wlan1: Initial auth_alg=0
Mar 17 17:46:58 su kernel: wlan1: authenticate with AP 00:14:6c:ed:c1:76
Mar 17 17:46:58 su kernel: wlan1: RX authentication from 00:14:6c:ed:c1:76 (alg=0 transaction=2 status=0)
Mar 17 17:46:58 su kernel: wlan1: authenticated
Mar 17 17:46:58 su kernel: wlan1: associate with AP 00:14:6c:ed:c1:76
Mar 17 17:46:58 su kernel: wlan1: RX AssocResp from 00:14:6c:ed:c1:76 (capab=0x51 status=0 aid=1)
Mar 17 17:46:58 su kernel: wlan1: associated
Mar 17 17:46:58 su kernel: wlan1: CTS protection enabled (BSSID=00:14:6c:ed:c1:76)
Mar 17 17:46:58 su kernel: device wlan1 entered promiscuous mode
Mar 17 17:46:58 su kernel: audit(1174114018.835:6): dev=wlan1 prom=256 old_prom=0 auid=4294967295
Mar 17 17:46:58 su kernel: audit(1174114018.835:6): arch=14 syscall=102 success=yes exit=0 a0=e a1=7fc42364 a2=1 a3=7fc42390 items=0 ppid=2278 pid=2284 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) comm="guessnet-ifupdo" exe="/usr/sbin/guessnet" key=(null)
Mar 17 17:47:00 su kernel: wlan1: duplicate address detected!

	] If I ifup without doing the iwconfig wlan1 channel 1:
Mar 17 17:34:23 su kernel: wiphy4: unable to reset hardware: '' (HAL status 0) (freq 0 flags 0x0)
	] modprobe -r
Mar 17 17:34:50 su kernel: ath_pci: driver unloaded
Mar 17 17:34:50 su kernel: ath_hal: driver unloaded

Sometimes, when modprobing ath_pci from the dadwifi driver:
Mar 17 17:38:42 su kernel: ath_hal: 0.9.18.0 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413, REGOPS_FUNC)
Mar 17 17:38:42 su kernel: ath_pci: 0.9.4.5-dadwifi (svn r2195)
Mar 17 17:38:42 su kernel: ath_pci: unable to attach hardware: 'Hardware revision not supported' (HAL status 13)
but usually ejecting and reinserting the card while the driver's loaded
will fix that.

So in short, the channel-0 bug is the only thing keeping dadwifi from
working like a charm for me. And that's only a udev-rule away. ^_^

Meanwhile, dadwifi-openhal won't associate.

> And if you want to use madwifi-old-openhal for the purpose of testing,
> please use today's revision, or it will corrupt memory due to incorrect
> get_order() rounding that Linus has reverted in 2.6.21-rc4 (the fix is
> not in wireless-dev.git yet).

I've got that fix in my kernel already, it makes a 512MB powermac unbootable. ^_^

However, I'm not really interested in non-mac80211 drivers right now.

-- 
-----------------------------------------------------------
Paul "TBBle" Hampson, B.Sc, LPI, MCSE
On-hiatus Asian Studies student, ANU
The Boss, Bubblesworth Pty Ltd (ABN: 51 095 284 361)
Paul.Hampson@xxxxxxxxx

Of course Pacman didn't influence us as kids. If it did,
we'd be running around in darkened rooms, popping pills and
listening to repetitive music.
 -- Kristian Wilson, Nintendo, Inc, 1989

License: http://creativecommons.org/licenses/by/2.1/au/
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