Re: [BUG] iwl4965: huge latency and errors when unblocking the hardware rfkill

["Tomas Winkler" <tomasw@gmail.com>]

On Mon, Jul 7, 2008 at 9:56 PM, Andrew Lutomirski <andy@luto.us> wrote:
> This is wireless-testing c80200cd38c265da90f0d9d031ace84aa56b0453, pulled today.
>
> I have a Lenovo X61s with a physical rfkill switch (the kind that
> slides between blocked and unblocked).
>
> If I turn off the hardware rfkill switch (set to block) while
> associated, I lose the connection (obviously).  If I turn it back on
> again (set to unblock), I get a lot of latency (my mouse stops moving
> for a second or two) and I sometimes get errors in the syslog like
> this:
>
> iwl4965: Error sending REPLY_CT_KILL_CONFIG_CMD: time out after 500ms.
>
> The card fails to associate afterwards.  If I tell network-manager to
> turn off wireless, then block rfkill, then wait a few seconds, then
> unblock it, then turn nm back on, everything works again.
>
> This seems like at least two different bugs:
>
>  - iwl4965 causes latency.  This latency issue has been reproducible
> every time for me on 2.6.24-ubuntu_something, 2.5.25, wireless-compat
> (recent), and current wireless-testing.
>  - iwl4965 doesn't work right after hard unblocking rfkill.
>
> I'm happy to do further troubleshooting and/or test patches.
>
> --Andy
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We have few RF kill fixes, just need to rebase them again after latest
Henrique's patches. Hope to post them in next days.
Thanks
Tomas