From owner-freebsd-questions@FreeBSD.ORG Tue May 29 23:26:22 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 74D3F16A421 for ; Tue, 29 May 2007 23:26:22 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.freebsd.org (Postfix) with ESMTP id 621A013C447 for ; Tue, 29 May 2007 23:26:22 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id 3649D1A4D83; Tue, 29 May 2007 16:27:31 -0700 (PDT) Received: from rot13.obsecurity.org (rot13.obsecurity.org [192.168.1.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id B681C512AB; Tue, 29 May 2007 19:26:21 -0400 (EDT) Received: by rot13.obsecurity.org (Postfix, from userid 1001) id 7B0E4BE69; Tue, 29 May 2007 19:26:21 -0400 (EDT) Date: Tue, 29 May 2007 19:26:21 -0400 From: Kris Kennaway To: Scott Willson Message-ID: <20070529232621.GB1575@rot13.obsecurity.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Cc: freebsd-questions@freebsd.org Subject: Re: Panic With Large Network Copy X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 May 2007 23:26:22 -0000 On Tue, May 29, 2007 at 03:36:49PM -0700, Scott Willson wrote: > I am seeing hard (often no core dump) crashes on a new AMD64 box > running 6.2 RELEASE. When I try to rsync 10+ GB of backup files to > the new box, I can reliably crash it after about 20 minutes; often > quicker if I do something else intensive at the same time, like > compile MySQL. Here are the box specs: > ASUS M2NPV-VM motherboard > AMD A64 3800+ 2.4G CPU > 2 x 1 GB SuperTalent DDR2 667 RAM > 2 x 500G Samsung SATA2 drives > MATSHITADVD-ROM SR-8585 DVD drive (ancient) > > Most times, I don't even get a core dump. Here's one I did get: > panic: double fault > Uptime: 20m26s > Dumping 2014 MB (2 chunks) > chunk 0: 1MB (159 pages) ... ok > chunk 1: 2014MB (515552 pages) 1998 1982 1966 1950 1934 1918 1902 > 1886 1870 1854 1838 1822 1806 1790 1774 1758 1742 1726 1710 1694 1678 > 1662 1646 1630 1614 1598 1582 1566 1550 1534 1518 1502 1486 1470 1454 > 1438 1422 1406 1390 1374 1358 1342 1326 1310 1294 1278 1262 1246 1230 > 1214 1198 1182 1166 1150 1134 1118 1102 1086 1070 1054 1038 1022 1006 > 990 974 958 942 926 910 894 878 862 846 830 814 798 782 766 750 734 > 718 702 686 670 654 638 622 606 590 574 558 542 526 510 494 478 462 > 446 430 414 398 382 366 350 334 318 302 286 270 254 238 222 206 190 > 174 158 142 126 110 94 78 62 46 30 14 > > #0 doadump () at pcpu.h:172 > 172 __asm __volatile("movq %%gs:0,%0" : "=r" (td)); > (kgdb) backtrace > #0 doadump () at pcpu.h:172 > #1 0x0000000000000004 in ?? () > #2 0xffffffff803f6093 in boot (howto=260) at /usr/src/sys/kern/ > kern_shutdown.c:409 > #3 0xffffffff803f6696 in panic (fmt=0xffffff0079a08be0 "X??y") at / > usr/src/sys/kern/kern_shutdown.c:565 > #4 0xffffffff80610e70 in dblfault_handler () at /usr/src/sys/amd64/ > amd64/trap.c:680 > #5 0xffffffff805fe2f2 in Xdblfault () at /usr/src/sys/amd64/amd64/ > exception.S:192 > #6 0xffffffff80439844 in m_tag_delete_chain (m=0x0, t=0x0) at /usr/ > src/sys/kern/uipc_mbuf2.c:346 > #7 0xffffffff803eac0d in mb_dtor_mbuf (mem=0x0, size=0, arg=0x0) at / > usr/src/sys/kern/kern_mbuf.c:338 > #8 0xffffffff80592a24 in uma_zfree_arg (zone=0x0, item=0x0, > udata=0x0) at /usr/src/sys/vm/uma_core.c:2270 > #9 0xffffffff804371f0 in m_freem (mb=0x0) at uma.h:303 > #10 0xffffffff80634125 in nve_ospackettx (ctx=0xffffff00798aac00, > id=0xffffffffb19ea6d0, success=0) at /usr/src/sys/dev/nve/if_nve.c:1551 This looks like a nve driver bug to me. You may wish to try the nfe driver. Kris