Date: Fri, 1 May 2009 09:49:45 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: pluknet <pluknet@gmail.com> Subject: Re: lock up in 6.2 (procs massively stuck in Giant) Message-ID: <200905010949.45927.jhb@freebsd.org> In-Reply-To: <a31046fc0904292336w17aca317hefd32dad5bc28007@mail.gmail.com> References: <a31046fc0904292336w17aca317hefd32dad5bc28007@mail.gmail.com>
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On Thursday 30 April 2009 2:36:34 am pluknet wrote: > Hi folks. > > Today I got a new locking issue. > This is the first time I got it, and it's merely reproduced. > > The box has lost both remote connection and local access. > No SIGINFO output on the local console even. > Jumping in ddb> shows the next: > > 1) first, this is a 8-way web server. No processes on runqueue except one httpd > (i.e. ps shows R in its state): You need to find who owns Giant and what that thread is doing. You can try using 'show lock Giant' as well as 'show lockchain 11568'. -- John Baldwin
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