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    SubjectRe: iwlagn: associating with AP causes kernel hiccup
    On Fri, Oct 17, 2008 at 5:27 PM, Richard Scherping <richard@scherping.de> wrote:
    >>>>> When I associate with an AP, Linux 2.6.27 seems to "hang" for a few
    >>>>> seconds. During that time, all sound stops playing and keyboard and
    >>>>> mouse input is impossible.
    >>>
    >>> I'm using Mandriva 2009.0 x86_64 with wpa_supplicant and Mandriva's
    >>> wireless network configuration tool (drakroam).
    >>>
    >>> Actually I just found out that running # ifconfig wlan0 down
    >>> is enough to trigger the sound and mouse hanging for a few seconds.
    >>
    >> And shortly after I wrote that, while associating while getting an IP
    >> with dhclient when associating with a WPA encrypted AP, I got this
    >> backtrace in my logs:
    >> [...]
    >
    > I have a similar problem here. No crash up to now, but the very same "hang" for a few seconds on "ifconfig wlan0 down". Interestingly this does only happen after a normal boot - once I did a suspend and resume (S3), there is no hang anymore.
    >
    > Hardware: Thinkpad T61p with Intel 4965 agn
    > Software: Debian Lenny x86_64 with vanilla 2.6.27 kernel
    >
    Driver in 2.6.27 is not stable, please try to reproduce this in
    current wireless-testing.git.
    Thanks


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