From owner-freebsd-net@FreeBSD.ORG Thu Feb 3 11:22:42 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E0AB1106566B; Thu, 3 Feb 2011 11:22:42 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id 979708FC14; Thu, 3 Feb 2011 11:22:42 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.4/8.14.4) with ESMTP id p13BMdV4007972 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 3 Feb 2011 06:22:40 -0500 (EST) (envelope-from mike@sentex.net) Message-ID: <4D4A8FF6.2090602@sentex.net> Date: Thu, 03 Feb 2011 06:22:30 -0500 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: Eugene Grosbein References: <4D3011DB.9050900@frasunek.com> <4D30458D.30007@sentex.net> <4D309983.70709@rdtc.ru> <201101141437.55421.jhb@freebsd.org> <4D46575A.802@rdtc.ru> <4D4670C2.4050500@freebsd.org> <4D48513C.40503@rdtc.ru> <20110201185026.GB62007@glebius.int.ru> <4D4A38FD.7000607@rdtc.ru> In-Reply-To: <4D4A38FD.7000607@rdtc.ru> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on IPv6:2607:f3e0:0:1::12 Cc: freebsd-net@freebsd.org, John Baldwin Subject: Re: About "panic: bufwrite: buffer is not busy???" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Feb 2011 11:22:43 -0000 On 2/3/2011 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? But it generates the dump despite the error message Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 00 fault virtual address = 0x33b9fc fault code = supervisor read, page not present instruction pointer = 0x20:0xc072df2f stack pointer = 0x28:0xe94c2a44 frame pointer = 0x28:0xe94c2a64 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 1089 (mpd5) trap number = 12 panic: page fault cpuid = 1 KDB: stack backtrace: #0 0xc0681b07 at kdb_backtrace+0x47 #1 0xc0652d27 at panic+0x117 #2 0xc08cd873 at trap_fatal+0x323 #3 0xc08cdaf0 at trap_pfault+0x270 #4 0xc08ce035 at trap+0x465 #5 0xc08b4e6c at calltrap+0x6 #6 0xc07358df at in_leavegroup_locked+0x4f #7 0xc07320d1 at in_control+0x13d1 #8 0xc06fb04a at ifioctl+0x1b4a #9 0xc0698422 at soo_ioctl+0x612 #10 0xc0690c90 at kern_ioctl+0x250 #11 0xc0690e04 at ioctl+0x134 #12 0xc068d82f at syscallenter+0x30f #13 0xc08cdb44 at syscall+0x34 #14 0xc08b4ed1 at Xint0x80_syscall+0x21 Uptime: 1d4h20m49s Physical memory: 3574 MB Dumping 289 MB:panic: bufwrite: buffer is not busy??? cpuid = 1 274 258 242 226 210 194 178 162 146 130 114 98 82 66 50 34 18 2 Dump complete > > 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" > > -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/