[ath9k-devel] Problems with ath9k on new DLink DWA-547

[Jens Ott - Opteamax <jo@opteamax.de>]

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Hi all,

I bought a new  "D-Link RangeBooster DWA-547" which was reported to
excellently work in AP-Mode. Unfortunately it looks as if D-Link changed their
hardware-revision, as this card now reports to have an AR5008 instead of the
old revisions AR5416.

Well, so far so good, loading the ath9k seems to work, association to an AP
also works, but only at a rate of 1MBit. Turning on master mode results in:

acapulco ~ # iwconfig wifi0 mode master
Error for wireless request "Set Mode" (8B06) :
    SET failed on device wifi0 ; Invalid argument.

Also running in managed mode I have the problem that connection deautheticates
and then machine freezes after reconnection happens. Last lines in log before
freezing are:

Dec 14 22:06:54 acapulco [ 1199.845504] wifi0: deauthenticated
Dec 14 22:06:54 acapulco wpa_cli: interface wifi0 DISCONNECTED
Dec 14 22:06:55 acapulco [ 1200.844022] wifi0: authenticate with AP
00:0f:c9:01:9e:12
Dec 14 22:06:55 acapulco [ 1200.845651] wifi0: authenticated
Dec 14 22:06:55 acapulco [ 1200.845656] wifi0: associate with AP 00:0f:c9:01:9e:12
Dec 14 22:06:55 acapulco [ 1200.848916] wifi0: RX ReassocResp from
00:0f:c9:01:9e:12 (capab=0x471 status=0 aid=1)
Dec 14 22:06:55 acapulco [ 1200.848934] wifi0: associated
Dec 14 22:06:57 acapulco wpa_cli: interface wifi0 CONNECTED

After this even SYS-REQ does not work anymore and only a hard-reboot helps,
even on console I don't get a core-dump or anything.

Does anybody have any hint for me?

BTW: Machine is running gentoo with most recent git-sources 2.6.28-rc8-git1

If any further information is needed, just let me know.

Best regards
Jens
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