Date: Mon, 27 Feb 2012 15:36:51 +0000 From: Attilio Rao <attilio@freebsd.org> To: Arnaud Lacombe <lacombar@gmail.com> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Complete hang on 9.0-RELEASE Message-ID: <CAJ-FndDz6eRamnf7v6kZwwZQp-JaLYUKX6Gx7MYuZGEFNagmfQ@mail.gmail.com> In-Reply-To: <CACqU3MVs1mpiQpjE9xC8aFAKxhzbjUgC_6GKWdAkyr8OGJhycw@mail.gmail.com> References: <CACqU3MUefo4mG3GdZnj6kxxFx4H_M3-NLys8pCKptqNU4r_ywA@mail.gmail.com> <CACqU3MVs1mpiQpjE9xC8aFAKxhzbjUgC_6GKWdAkyr8OGJhycw@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
2012/2/27, Arnaud Lacombe <lacombar@gmail.com>: > Hi, > > On Tue, Feb 14, 2012 at 11:41 AM, Arnaud Lacombe <lacombar@gmail.com> wrote: >> Hi folks, >> >> For the records, I was running some tests yesterday on top of a >> 9.0-RELEASE, amd64, kernel when the box hanged. At the time of the >> hang, the box was running a process with about 2800 threads with heavy >> IPC between 1400 writers and 1400 readers. The box was in single user >> mode (/bin/sh coming from FreeBSD 7.4-STABLE). Here is the beginning >> of the dmesg: >> > This happened a second time, now with FreeBSD 8.2-RELEASE. Complete > machine hang. The machine was running about 4000 threads in a single > process, all the other condition are the same. Arnaud, can you please break in your kernel via KDB, collect the following informations from the DDB prompt: - ps - alltrace - show allpcpu - possibly get a coredump with 'call doadump' and in the end provide all those along with kernel binary and possibly sources somewhere? Thanks, Attilio -- Peace can only be achieved by understanding - A. Einstein
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-FndDz6eRamnf7v6kZwwZQp-JaLYUKX6Gx7MYuZGEFNagmfQ>