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    SubjectRe: [2.6.31-rc1] iwlagn (4965): regression when hardware rf switch is used
    On Monday 29 June 2009, Johannes Berg wrote:
    > > [enable]
    > > usb 3-1: new full speed USB device using uhci_hcd and address 3
    > > usb 3-1: configuration #1 chosen from 1 choice
    > That is completely unrelated. You plugged in a USB device too :)

    No, it's my "bluetooth + wlan" device. Note that disabling wireless with
    the hardware switch also gives 'usb 3-1: USB disconnect, address 2'.

    From lsusb:
    Bus 003 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth +
    WLAN) Interface [Integrated Module]

    > > A lot uglier with those errors. And after that I have to run
    > > ifdown/ifup before networking is up again (ifup only does not work as
    > > it will complain "interface already configured"):
    > And that's actually expected, and/or a bug in the debian networking
    > scripts.
    > (You can trigger the same problem by doing
    > ifup wlan0
    > ip link set wlan0 down
    > ifup wlan0 -> error)

    OK, I can accept that. Wonder why it does work with 2.6.30 then. But it
    can certainly wait until the driver problem you mentioned is resolved.

    > To get your network connection back automatically we will require
    > changes to userland tools to listen to rfkill events.
    > > BTW, would it make sense to bring back the first two lines shown with
    > > .30 (or at least the first one):
    > > iwlagn 0000:10:00.0: Radio Frequency Kill Switch is On:
    > > Kill switch must be turned off for wireless networking to work.
    > > IMHO it's good to register the reason for the disconnect.
    > I guess something like that could be added to cfg80211:
    > phy0: taking interfaces down due to rfkill

    Yes, that would be nice.


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