linux-kernel - ath5k gets lost with eeepc-laptop removal

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Message-ID: <20081031110502.18e33eba@doriath.conectiva>
Date:	Fri, 31 Oct 2008 11:05:02 -0200
From:	"Luiz Fernando N. Capitulino" <lcapitulino@...driva.com.br>
To:	linux-wireless@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, willy@...ux.intel.com,
	lrodriguez@...eros.com
Subject: ath5k gets lost with eeepc-laptop removal


 Hi guys,

 If I do a 'rmmod eeepc-laptop', while connected to my AP, I get the
following error messages from ath5k:

"""
ath5k phy0: noise floor calibration timeout (2417MHz)
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: can't reset hardware (-5)
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: can't reset hardware (-5)
wlan0: No ProbeResp from current AP 00:1d:0f:e9:c7:c0 - assume out of range
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
wlan0: failed to set freq to 2412 MHz for scan
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
wlan0: failed to set freq to 2417 MHz for scan
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
wlan0: failed to set freq to 2422 MHz for scan
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
wlan0: failed to set freq to 2427 MHz for scan
ath5k phy0: failed to wakeup the MAC Chip
ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
wlan0: failed to set freq to 2432 MHz for scan
wlan0: failed to set freq to 2437 MHz for scan
wlan0: failed to set freq to 2442 MHz for scan
wlan0: failed to set freq to 2447 MHz for scan
wlan0: failed to set freq to 2452 MHz for scan
wlan0: failed to set freq to 2457 MHz for scan
wlan0: failed to set freq to 2462 MHz for scan
wlan0: failed to set freq to 2467 MHz for scan
wlan0: failed to set freq to 2472 MHz for scan
wlan0: failed to set freq to 2484 MHz for scan
wlan0: failed to restore operational channel after scan
wlan0: authenticate with AP 00:1d:0f:e9:c7:c0
wlan0: authenticate with AP 00:1d:0f:e9:c7:c0
wlan0: authenticate with AP 00:1d:0f:e9:c7:c0
wlan0: authentication with AP 00:1d:0f:e9:c7:c0 timed out
"""

 Then I lost my wireless connection.

 I'm running latest Linus git tree (2.6.28-rc2) on a Eeepc 701.

 The problem doesn't happen on 2.6.27.4, but as 2.6.28-rc1 doesn't
boot on this machine, it would be a bit difficult to bisect it.

 Thanks.

-- 
Luiz Fernando N. Capitulino
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