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Date: Tue, 17 Aug 2004 14:36:26 +0200
From: Stefan Farfeleder <stefan@fafoe.narf.at>
To: Robert Watson <rwatson@freebsd.org>
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cc: acpi@freebsd.org
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cc: Nate Lawson <nate@root.org>
Subject: Re: HEADSUP: acpi mpsafe committed
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On Mon, Aug 16, 2004 at 02:33:30PM -0400, Robert Watson wrote:

> > > panic: mutex Giant not owned at /usr/src/sys/net/if.c:1874
> > > 
> > > db> trace
> > > kdb_enter
> > > panic
> > > _mtx_assert
> > > if_start
> > > ieee80211_mgmt_output
> > > ieee80211_send_mgmt
> > > ieee80211_newstate
> 
> wi_newstate() should probably call NET_LOCK_GIANT() before entering the
> 802.11 framework, and call NET_UNLOCK_GIANT() on its return.  This will
> cause it to conditionally acquire and release Giant based on
> debug_mpsafenet. 

I have no idea why, but suspending suddenly works again with a new
kernel.  Sorry for the noise.

Stefan