Re: Why wireless is disable by radio killswitch?

[Dan Williams <dcbw redhat com>]

On Mon, 2009-05-25 at 11:39 +0800, Bin Li wrote:
> On Fri, May 22, 2009 at 11:17 PM, Dan Williams <dcbw redhat com> wrote:
> > On Fri, 2009-05-22 at 17:40 +0800, Bin Li wrote:
> >> Hi,
> >>
> >>  I've use NM 0.7.0.r4359, and from the lshal I could found "killswitch".
> >> $ lshal --version
> >> lshal version 0.5.12
> >>
> >> udi = '/org/freedesktop/Hal/devices/dell_wlan_switch'
> >>   info.capabilities = {'killswitch'} (string list)
> >>   info.category = 'killswitch'  (string)
> >>   info.interfaces = {'org.freedesktop.Hal.Device.KillSwitch'} (string list)
> >>   info.parent = '/org/freedesktop/Hal/devices/platform_dcdbas'  (string)
> >>   info.product = 'Dell WLAN Switch'  (string)
> >>   info.subsystem = 'unknown'  (string)
> >>   info.udi = '/org/freedesktop/Hal/devices/dell_wlan_switch'  (string)
> >>   killswitch.access_method = 'dell'  (string)
> >>   killswitch.type = 'wlan'  (string)
> >>   org.freedesktop.Hal.Device.KillSwitch.method_argnames = {'power',
> >> ''} (string list)
> >>   org.freedesktop.Hal.Device.KillSwitch.method_execpaths =
> >> {'hal-system-killswitch-set-power', 'hal-system-killswitch-get-power'}
> >> (string list)
> >>   org.freedesktop.Hal.Device.KillSwitch.method_names = {'SetPower',
> >> 'GetPower'} (string list)
> >>   org.freedesktop.Hal.Device.KillSwitch.method_signatures = {'b', ''}
> >> (string list)
> >>
> >> But when I run "NetowrkManager --no-daemon" with root permission, it prompt:
> >>
> >> NetworkManager: <info>  eth1: driver is 'wl'.
> >> NetworkManager: <info>  eth1: driver does not support SSID scans
> >> (scan_capa 0x00).
> >> NetworkManager: <info>  Found new 802.11 WiFi device 'eth1'.
> >> NetworkManager: <info>  (eth1): exported as
> >> /org/freedesktop/Hal/devices/net_00_22_5f_53_60_01
> >> NetworkManager: <info>  Wireless now disabled by radio killswitch
> >>
> >> And I've check the switch is on, the wireless led is light.
> >>
> >> When I use the wireless-tools, the iwlist and iwconfig, the wireless
> >> card could be configured successfully, and works fine.
> >>
> >> Any ideas?
> >
> > What have you got in /sys/class/rfkill?  What's the output of both:
> >
> > cat /sys/class/rfkill/*/type
> > cat /sys/class/rfkill/*/state
> The rfkill module not install at all, I don't know why, so I use
> modprobe to install it.
> And the /sys/class/rfkill is an empty directory.
> 
> > Next, we need to ask HAL what its killswitch state is:
> >
> > dbus-send --system --print-reply --dest=org.freedesktop.Hal /org/freedesktop/Hal/devices/dell_wlan_switch org.freedesktop.Hal.Device.KillSwitch.GetPower
> >
> > If that returns 'int32 0', then HAL believes your killswitch to be
> > turned on, and your radio should be disabled.  That would be a HAL bug
> > then.
> Yes, 'int32 0' return whenever I disable or enable the radio switch,
> so is it a HAL bug?

Yes.

Dan