linux-kernel - Re: Suspend/hibernate wireless regression with 2.6.33 kernel

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Date:	Wed, 17 Mar 2010 20:24:24 +0100
From:	Miklos Vajna <vmiklos@...galware.org>
To:	Chris Vine <chris@...ne.freeserve.co.uk>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: Suspend/hibernate wireless regression with 2.6.33 kernel

On Wed, Mar 17, 2010 at 01:51:13AM +0000, Chris Vine <chris@...ne.freeserve.co.uk> wrote:
> I have a Lenovo S12 (Ideapad) netbook with a BCM4312 802.11b/g
> [14e4:4315] wireless device.  Although this works using the PIO option
> in kernel 2.6.33/2.6.33.1 (not with DMA) using the in-kernel b43 driver,
> and also works with the broadcom proprietary wl driver, it breaks after
> a suspend or hibernate. Attempts to bring up the wlan0 interface with
> 'ifconfig wlan0 up' after suspension or hibernation results in the
> following message (although nothing is revealed by dmesg):
> 
>   SIOCSIFFLAGS: Unknown error 132

I just wanted to mention that I can reproduce this issue.

Same HW (Lenovo S12 Ideapad), and I can reproduce with b43 and wl, on
2.6.33 and 2.6.34-rc1 as well. It works fine on 2.6.32 for me, too.

Thanks.

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