kern/163318: [ath] ath(4) stops working
Adrian Chadd
adrian.chadd at gmail.com
Sun Mar 11 20:10:13 UTC 2012
The following reply was made to PR kern/163318; it has been noted by GNATS.
From: Adrian Chadd <adrian.chadd at gmail.com>
To: Joel Dahl <joel at freebsd.org>
Cc: bug-followup at freebsd.org
Subject: Re: kern/163318: [ath] ath(4) stops working
Date: Sun, 11 Mar 2012 13:07:56 -0700
Hi!
On 11 March 2012 13:01, Joel Dahl <joel at freebsd.org> wrote:
> Some news...
>
> I updated from a Jan 18 CURRENT to a Feb 19 CURRENT some time ago and the
> issue was gone. Adrian asked me to try to track down the revision that fixed
> the problem, and that's what I've been doing for the last two weeks.
Sweet!
> Revision 231852 does not survive for very long. It dies as usual. I haven't
> been able to make any revision before 231852 survive longer than 8 hours.
>
> Revision 231854 has survived my 12 hour testing period 3 times and I haven't
> been able to crash any revision after 231854.
>
> Adrian, your commit to the ath driver (231854) seems to fix my ath problems.
> Does that make sense to you?
Nope. That just started shifting around locks. Can you please try
231852 with the debugging patch I threw you (that patched
ieee80211_scan.c) and see if it complains?
If that patch fixed anything, it just delayed things enough to hide
what's going on...
Adrian
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