Bug 1673 – iwl3945 doesn't recover from rf_kill

Bug 1673 - iwl3945 doesn't recover from rf_kill

Summary:

iwl3945 doesn't recover from rf_kill

Status:	VERIFIED FIXED

Product:	iwlwifi
Component:	RF-Kill
Version:	unspecified
Platform:	__UNSPECIFIED__ Debian

Importance:	P1 normal
Assigned To:	Zhu Yi
QA Contact:	Jeff Zheng

URL:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2008-05-21 11:27 by Winfried Tilanus
Modified:	2008-06-04 15:26 (History)

Attachments
Logfile of testcase (commands inserted) (49.94 KB, text/plain) 2008-05-21 11:27, Winfried Tilanus	Details
fix patch (955 bytes, patch) 2008-05-21 20:22, Zhu Yi	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

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Description From Winfried Tilanus 2008-05-21 11:27:29

Created an attachment (id=1438) [details]
Logfile of testcase (commands inserted)

Activating the software rf_kill switch works, but re enabling it fails.

Testcase:

modprobe iwl3945 debug=0x43fff
ip link set wlan0 up
ip link set wlan0 down
echo -n 1 > /sys/class/net/wlan0/device/rf_kill
echo -n 0 > /sys/class/net/wlan0/device/rf_kill
ip link set wlan0 up
iwlist wlan0 scan
>    wlan0     Interface doesn't support scanning : Network is down

Note that without bringing the link up first, recovering from rf_kill works.
Sometimes the computer locks up hard when trying to recover from rf_kill. It
seems to me it is IRQ related. This bug might be related to bug #1622.

System information:
Lenevo Thinkpad x61s
Debian testing (Lenny)
Linux 2.6.24-1-686 #1 SMP
Compat-Wireless snapshot, May 20th 2008
iwl3945 1.2.26kd

------- Comment #1 From Zhu Yi 2008-05-21 20:22:26 -------

Created an attachment (id=1441) [details]
fix patch

This patch should fix the problem.

------- Comment #2 From Awad, Majid 2008-05-23 09:22:23 -------

Winfried, please test the patch in comment #1

------- Comment #3 From Winfried Tilanus 2008-05-24 09:17:16 -------

Excuses for the delay, I tested it against compat-wireless of may the 24th, and
it works ok now. Thanks.