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Date:      Thu, 13 Nov 2014 20:56:29 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-wireless@FreeBSD.org
Subject:   [Bug 194996] ath driver crash leaves card in inconsistent state
Message-ID:  <bug-194996-21060-Sg68aKSIT1@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-194996-21060@https.bugs.freebsd.org/bugzilla/>
References:  <bug-194996-21060@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194996

Adrian Chadd <adrian@freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |adrian@freebsd.org

--- Comment #1 from Adrian Chadd <adrian@freebsd.org> ---
Hm, try compiling with AH_DEBUG / ATH_DEBUG / ATH_DIAGAPI, then do this:

sysctl dev.ath.0.hal.debug=0x4

then let me know what is printed when this happens.

So, the code '3' is HAL_EIO which in the reset path mostly indicates the
hardware isn't coming back from being powered off.

Also, compile the tools in tools/tools/ath and run 'athregs'; it'll give you a
register dump. Do it when it's working and when it's not working. It's possible
that the NIC has completely lost its mind and the register reads will return
error values - I'd like to know what those are.

Thanks!



-adrian

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