From owner-freebsd-net@FreeBSD.ORG Mon Jul 13 07:17:28 2009 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 88901106566B for ; Mon, 13 Jul 2009 07:17:28 +0000 (UTC) (envelope-from freebsdusb@bindone.de) Received: from mail.bindone.de (mail.bindone.de [80.190.134.51]) by mx1.freebsd.org (Postfix) with SMTP id 018638FC1A for ; Mon, 13 Jul 2009 07:17:27 +0000 (UTC) (envelope-from freebsdusb@bindone.de) Received: (qmail 69331 invoked by uid 89); 13 Jul 2009 07:17:26 -0000 Received: from unknown (HELO ufo.bindone.de) (mg@bindone.de@87.152.176.159) by mail.bindone.de with ESMTPA; 13 Jul 2009 07:17:26 -0000 Message-ID: <4A5ADF84.7040506@bindone.de> Date: Mon, 13 Jul 2009 09:17:24 +0200 From: Michael Gmelin User-Agent: Thunderbird 2.0.0.17pre (X11/20090202) MIME-Version: 1.0 To: =?ISO-8859-1?Q?Bal=E1zs_M=E1t=E9ffy?= References: <200907101829.AA227541664@mail.Go2France.com> <200907120914.50095.mel.flynn+fbsd.questions@mailing.thruhere.net> <200907122042515.SM01728@W500.Go2France.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Cc: freebsd-net@freebsd.org Subject: Re: Fwd: dump hangs on 7.1 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: Mon, 13 Jul 2009 07:17:29 -0000 The problem you're referring to was fixed in 7.1 (we had the same issues in 7.0 i386), so I don't think this is the problem Len is facing. Balázs Mátéffy wrote: > Hi, > > I had a similar error with 7.0, and found reference that there was > problem(as far as I can remember there was an issue with large disk I/O and > creating snapshots on the partition). > Dump was creating the files, and it hanged, sometimes it finishes like once > in ten for small partitions. Every time hangs at pass 4, but for me > sometimes it was unable to get back to the shell with ctrl + c, I had to > close my ssh session, but I could fine the dump session in ps -ax. > > I had the generic kernel, and I user freebsd-update to update to 7.2, now > it's working like a charm! > > Because you don't have dump, please backup your system with another utility > before even thinking about the update, or you can still wait for the others > to tell you something useful. > > Maybe some vmstat / gstat detail could be helpful to look up the resource > usage when dump hangs? > > Best Regards, > > Balázs. > > > > 2009/7/12 Len Conrad > > >>> On Friday 10 July 2009 08:29:01 Len Conrad wrote: >>>> FreeBSD 7.1-RELEASE #0: Thu Jan 1 14:37:25 UTC 2009 >>>> root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >>>> >>>> CPU: Intel(R) Xeon(R) CPU E5420 @ 2.50GHz (2496.26-MHz >> 686-class >>>> CPU) Origin = "GenuineIntel" Id = 0x1067a Stepping = 10 >>>> AMD Features=0x20100000 >>>> AMD Features2=0x1 >>>> Cores per package: 4 >>>> real memory = 3484745728 (3323 MB) >>>> avail memory = 3405537280 (3247 MB) >>>> ACPI APIC Table: >>>> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs >>>> cpu0 (BSP): APIC ID: 0 >>>> cpu1 (AP): APIC ID: 1 >>>> cpu2 (AP): APIC ID: 2 >>>> cpu3 (AP): APIC ID: 3 >>>> >>>> >>>> /sbin/dump -0uanL -f - / | ssh dump_images@xxx.net dd >>>> of=/var/ftp/dump_images/mx1-root-test >>>> >>>> dump has completed only once. Several other dumps have all gotten under >>>> way, target file is created and increases until the hang. >>>> >>>> CTRL-C gets back to shell,eg: >>>> >>>> DUMP: Date of this level 0 dump: Fri Jul 10 10:25:33 2009 >>>> DUMP: Date of last level 0 dump: the epoch >>>> DUMP: Dumping snapshot of /dev/da0s1d (/usr) to standard output >>>> DUMP: mapping (Pass I) [regular files] >>>> DUMP: mapping (Pass II) [directories] >>>> DUMP: estimated 1713942 tape blocks. >>>> DUMP: dumping (Pass III) [directories] >>>> DUMP: dumping (Pass IV) [regular files] >>>> ^C DUMP: Interrupt received. >>>> DUMP: Do you want to abort dump?: ("yes" or "no") Killed by signal 2. >>>> DUMP: Broken pipe >>>> DUMP: The ENTIRE dump is aborted. >>>> >>>> Hangs always in Pass IV >>> What's the output ps -auwwx|grep dump at the time of the dump. >> when the dump hangs: >> >> ps auxww | grep dump >> >> root 61360 0.0 0.0 3128 1168 p0 I+ 1:47PM 0:00.06 /sbin/dump >> -0uanL -f - / (dump) >> >> root 61361 0.0 0.1 5560 2768 p0 I+ 1:47PM 0:03.65 ssh >> xxx@xxx.net dd of=/var/ftp/dump_images/mx1-root-test >> >> root 61364 0.0 0.0 3128 1528 p0 I+ 1:47PM 0:00.36 dump: >> /dev/da0s1a: pass 4: 92.66% done, finished in 0:00 at Sun Jul 12 13:47:52 >> 2009 (dump) >> >> root 61365 0.0 0.0 3128 1184 p0 I+ 1:47PM 0:00.29 /sbin/dump >> -0uanL -f - / (dump) >> >> root 61366 0.0 0.0 3128 1184 p0 I+ 1:47PM 0:00.29 /sbin/dump >> -0uanL -f - / (dump) >> >> root 61367 0.0 0.0 3128 1184 p0 I+ 1:47PM 0:00.29 /sbin/dump >> -0uanL -f - / (dump) >> >> root 61382 0.0 0.0 1660 900 p1 R+ 1:48PM 0:00.00 grep dump >> >> ======== >> >> btw, with dump and dar failing, I tried rdiff-backup which succeeded. >> >> Thanks >> Len >> >> >> _______________________________________________ >> 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" >> > _______________________________________________ > 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"