Date: Tue, 21 Mar 2017 17:29:00 +0100 From: Hans Petter Selasky <hps@selasky.org> To: hiren panchasara <hiren@strugglingcoder.info>, Kurt Jaeger <lists@opsec.eu> Cc: freebsd-current@freebsd.org Subject: Re: sysctl -a hangs ? Message-ID: <bf177a6d-9733-bdb2-81f3-454aac60766d@selasky.org> In-Reply-To: <20170321161438.GH80268@strugglingcoder.info> References: <20170321160407.GJ64587@home.opsec.eu> <20170321161438.GH80268@strugglingcoder.info>
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On 03/21/17 17:14, hiren panchasara wrote: > On 03/21/17 at 05:04P, Kurt Jaeger wrote: >> Hello, >> >> I have a freshly installed/updated FreeBSD 11.0p8 on a supermicro >> X11SSZ-TLN4F board, and >> >> pkg install intel-ixl-kmod >> >> and now: >> >> sysctl -a >> >> hangs. Any quick ideas how to debug this ? > > If it's just not responding to anything, you can try to panic the box, > got to db> and see if you can find sleepchain/lockchain? > You can also take a dump and try to look at same with kgdb scripts. > You'd need kernel with WITNESS. Hi, procstat -ak Will tell you where it is stuck. --HPS
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