From owner-freebsd-current@FreeBSD.ORG Sun Feb 20 14:33:56 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3F902106566B for ; Sun, 20 Feb 2011 14:33:56 +0000 (UTC) (envelope-from samspeed@mail.ru) Received: from f30.mail.ru (f30.mail.ru [217.69.129.95]) by mx1.freebsd.org (Postfix) with ESMTP id B1DFB8FC1B for ; Sun, 20 Feb 2011 14:33:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.ru; s=mail; h=Message-Id:Content-Transfer-Encoding:Content-Type:Reply-To:In-Reply-To:References:Date:Mime-Version:Subject:Cc:To:From; bh=JYRv0706SDXNDaZRS4VWpfw+lLaq90q4okSZtHN/MPg=; b=poJdZyvznbvHUVtcKP6MwBjdNbvvTDeWRk0n4mbY4zd5Q1prMVsTdOLr04TU+arkJq0I8Dw/NuEzRZ320G4pP7w+sdHe2g0jRxvK2YDEADlu5CO3xH+J1QxX7ySlmnJ5; Received: from mail by f30.mail.ru with local id 1PrAM9-0001fN-00; Sun, 20 Feb 2011 17:33:49 +0300 Received: from [91.202.27.126] by e.mail.ru with HTTP; Sun, 20 Feb 2011 17:33:49 +0300 From: Andrey Smagin To: Andrew Boyer Mime-Version: 1.0 X-Mailer: mPOP Web-Mail 2.19 X-Originating-IP: 172.17.1.151 via proxy [91.202.27.126] Date: Sun, 20 Feb 2011 17:33:49 +0300 References: <4D4A38FD.7000607@rdtc.ru> <4D3011DB.9050900@frasunek.com> <4FD1B1C3-08A7-4F48-A30A-DE5A8F3D3834@averesystems.com> In-Reply-To: <4FD1B1C3-08A7-4F48-A30A-DE5A8F3D3834@averesystems.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Message-Id: X-Spam: Not detected X-Mras: Ok Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org, Eugene Grosbein , Mike Tancsa Subject: Re[2]: About "panic: bufwrite: buffer is not busy???" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Andrey Smagin List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Feb 2011 14:33:56 -0000 On week -current I have same problem, my box paniced every 2-15 min. I resolve problem by next steps - unplug network connectors from 2 intel em (82574L) cards. I think last time that mpd5 related panic, but mpd5 work with another re interface interated on MB. I think it may be em related panic, or em+mpd5. Wed, 16 Feb 2011 12:08:30 -0500 письмо от Andrew Boyer : > Moving this to -current and -stable and following up... > > Something is broken with coredumps on stable/8 amd64. I tried a vanilla > 8.2-RC3 and yesterday's csup of stable/8; neither can dump a core with 'sysctl > debug.kdb.panic=1'. > > For the 8.2-RC3 / amd64 / GENERIC install, I used the memstick image, > installed on ad7 (a 250GB SATA drive), used the default partition map, and set > dumpdev to AUTO. > > I added enough tracing to show that the second panic is due to the syncer > process flushing buffers to the other filesystems in parallel with the dump. > I've seen this panic and a similar one 'buffer not locked' coming from > ffs_write(). One time out of about 30 the core ran to completion, but slowly > (~1MB/sec). Other times the dump just locks up completely with no other > output. > > Does anyone know what might have changed to expose this problem? > > I don't ever see it under 7.1. > > Thanks, > Andrew > > On Feb 3, 2011, at 12:11 AM, Eugene Grosbein wrote: > > > On 02.02.2011 00:50, Gleb Smirnoff wrote: > > > >> E> Uptime: 8h3m51s > >> E> Dumping 4087 MB (3 chunks) > >> E> chunk 0: 1MB (150 pages) ... ok > >> E> chunk 1: 3575MB (915088 pages) 3559 3543panic: bufwrite: buffer is not > busy??? > >> E> cpuid = 3 > >> E> Uptime: 8h3m52s > >> E> Automatic reboot in 15 seconds - press a key on the console to abort > >> Can you add KDB_TRACE option to kernel? Your boxes for some reason can't > >> dump core, but with this option we will have at least trace. > > > > I see Mike Tancsa's box has "bufwrite: buffer is not busy???" problem too. > > Has anyone a thought how to fix generation of crashdumps? > > > > Eugene Grosbein > > > > > > _______________________________________________ > > freebsd-net@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-net > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > -------------------------------------------------- > Andrew Boyer aboyer@averesystems.com > > > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"