wpi and suspend/resume

[Lars Engels]

Quoting Frank Staals <frank at fstaals.net>:

> Hey everyone,
>
> Is anyone running a system with a wireless card using the wpi driver
> that can successfully suspend/resume ? I have a Dell Latitude D630
> running FreeBSD 8-STABLE on amd64, the system suspends and resumes fine
> ( acpiconf -s3 ). However after bringing it back up wpi0 refuses to
> reconnect to a network:
>
> frank at Rena# uname -a
> FreeBSD Rena.FStaals.LAN 8.0-STABLE FreeBSD 8.0-STABLE #0: Thu Dec 10
> 21:06:05 CET 2009
> frank at Rena.FStaals.LAN:/home/obj/usr/src/sys/RENAKERNEL  amd64
>
> When I resume the system the following error message is printed to dmesg:
>
> Dec 18 21:34:29 Rena kernel: wpi0: fatal firmware error
> Dec 18 21:34:29 Rena kernel: wpi0: timeout resetting Rx ring
>
> I tried bringing the interface down and up again (ifconfig wpi0 down up
> ) and reassociate with wpa_cli. Unfortunately after resuming wpi simply
> won't reconnect again. It is very nice that my system actually
> successfully suspends and resumes for the rest, but without networking
> connectivity ( if_bge is also dead after a suspend ) uses are rather
> limited. So is anyone successfully resuming with a system using the wpi
> driver ?
>
>

You could try to unload the module before you go to standby and reload  
it after resuming.
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