From owner-freebsd-hackers@FreeBSD.ORG Sun Dec 7 13:38:06 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E06D6D6A; Sun, 7 Dec 2014 13:38:05 +0000 (UTC) Received: from puchar.net (puchar.net [188.252.31.250]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "puchar.net", Issuer "puchar.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 84004243; Sun, 7 Dec 2014 13:38:05 +0000 (UTC) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.14.9/8.14.9) with ESMTP id sB7Dc221068937; Sun, 7 Dec 2014 14:38:03 +0100 (CET) (envelope-from wojtek@puchar.net) Date: Sun, 7 Dec 2014 14:37:59 +0100 (CET) From: Wojciech Puchar X-X-Sender: wojtek@laptop To: Alfred Perlstein Subject: Re: 10.1-STABLE one week old from svn - random hangs In-Reply-To: Message-ID: References: <54843BB3.2000602@FreeBSD.org> <548448B1.20907@freebsd.org> User-Agent: Alpine 2.11 (BSF 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (puchar.net [10.0.1.1]); Sun, 07 Dec 2014 14:38:03 +0100 (CET) Cc: FreeBSD Hackers , lev@FreeBSD.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Dec 2014 13:38:06 -0000 how to get via svn or other means sources of 10*-STABLE from 18.06.2014? to get back to working system. On Sun, 7 Dec 2014, Wojciech Puchar wrote: > no crashdump. system does not panic > so i cannot do this > > On Sun, 7 Dec 2014, Alfred Perlstein wrote: > >> Can you enable crashdumps please and then send a traceback? >> >> >> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html >> >> These two are most helpful: >> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html#kerneldebug-obtain >> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-gdb.html >> >> >> On 12/7/14, 3:36 AM, Lev Serebryakov wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA512 >>> >>> On 07.12.2014 12:40, Wojciech Puchar wrote: >>> >>>> The problem. At random moment system I/O stops. If you are running >>>> top at this moment, there are lots of prosesses stalled in vnread >>>> or biord. network keeps running, processes that doesn't need I/O >>>> still runs. >>>> >>>> top often reports at least 10MB free memory. >>>> >>>> seems like a deadlock. Anyone know that problem. How to trace it >>>> down? >>> Looks like I have same problem sometimes. And you could not run any >>> new process, you could not login on console, but you could switch >>> virtual consoles & if "top" is running on one of them, it doesn't hang >>> itself, right? >>> >>> I get this typically when "svnsync" synchronize my local FreeBSD repo >>> mirror and after that FS (UFS2 with SUJ) with my repo is heavily damaged. >>> >>> - -- // Lev Serebryakov AKA Black Lion >>> -----BEGIN PGP SIGNATURE----- >>> Version: GnuPG v2.0.22 (MingW32) >>> >>> iQJ8BAEBCgBmBQJUhDuzXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w >>> ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRGOTZEMUNBMEI1RjQzMThCNjc0QjMzMEFF >>> QUIwM0M1OEJGREM0NzhGAAoJEOqwPFi/3EePuI8QANK2Xw8oUrApeMMsCqWs6mGo >>> NsijmCLWhTBNGLszEk1pD/GQrqVZRIm8qmn3GReknYZzMdiYYc89b+9ou5nZnQfk >>> +j+ngdBWNTGkxBa5qjBTLSZm2yYZ70rxxIUs4HualK6kgF2CLlLA9XEWlm+pBtCG >>> ZaBWCP/vH5mBvLk+YUOtZtPlMhC7ckNe4Uq13gSkZRaZBtHy0WZ+1nqZz7Xi1nFx >>> XBAlcJMUi4c9EAtBJGovKAVXjkIk6TINhDF+76J8aQlL4drliLvRZQjCnulbQecc >>> VMQP4hFKghmdH1DTSwPX4R44hZd7TF1CW7FNT/qZLyPuZHIcwVYOsH+5gq95liCP >>> CDCt5N8dF/q8wgyMGRyHv8PCdOA9MK8/6PtZY2KAXdIkfPZ6u0bTMHXPWb3qDWPX >>> kdYPIKYZ5rzF3oY6Yuk6Mn4OIJ+Aww5FhNQ5ad4IkUty7p06JMt+sw9X9VEbyZYC >>> ejQ96Tquy9Si2TnjZZbtSySvUZAlJxDT5z5eBvOh9BoexEsrKG8pV1nMv3LMgat8 >>> 0kKxWTXtkD/NPO4+FGFasV/lSgteXWGjRv3s+g1cqmCSWRn4ed8xhFcLoTzbJLQf >>> a5E1LGIDGJPsARmfyD1FF1RS/kYdfWlG7BA6mg91zExZpuuS4oFexh4YaAbfjTe/ >>> oeXgB3qxqhPtvfDmUm+X >>> =R88v >>> -----END PGP SIGNATURE----- >>> _______________________________________________ >>> freebsd-hackers@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >>> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >>> >> >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >> >> > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > >