Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 8 May 2012 23:51:06 +0700
From:      Alexey Dokuchaev <danfe@nsu.ru>
To:        Bernhard Schmidt <bschmidt@freebsd.org>
Cc:        stable@freebsd.org
Subject:   Re: panic with if_iwi(4) upon "netif restart"
Message-ID:  <20120508165106.GA15063@regency.nsu.ru>
In-Reply-To: <CAAgh0_aS-7EvM1QgQzOgUF4Hqhd3w394nxw=vzB6b-e2AeUe6A@mail.gmail.com>
References:  <20120507035405.GA47351@regency.nsu.ru> <CAAgh0_aS-7EvM1QgQzOgUF4Hqhd3w394nxw=vzB6b-e2AeUe6A@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, May 07, 2012 at 08:28:50PM +0200, Bernhard Schmidt wrote:
> does "ps" in kgdb reveal multiple instances of wpa_supplicant running?

Yes, grepping /var/crash/core.txt.0 shows two wpa_supplicant processes, one
in "-/Rs" state and another in "select/Ds".

> If so, this seems to be the well known devd+netif+supplicant+newstate
> race/missing refcount.
> 
> Wanna try attached patch?

Thanks, I will.

./danfe



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20120508165106.GA15063>