From owner-freebsd-bugs@FreeBSD.ORG Tue Jan 22 05:40:01 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 433D516A419 for ; Tue, 22 Jan 2008 05:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 0C6BB13C461 for ; Tue, 22 Jan 2008 05:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m0M5e1Uk007847 for ; Tue, 22 Jan 2008 05:40:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m0M5e0oo007846; Tue, 22 Jan 2008 05:40:00 GMT (envelope-from gnats) Resent-Date: Tue, 22 Jan 2008 05:40:00 GMT Resent-Message-Id: <200801220540.m0M5e0oo007846@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, "Johan A. van Zanten" Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 22D5316A419 for ; Tue, 22 Jan 2008 05:36:04 +0000 (UTC) (envelope-from johan@giantfoo.org) Received: from pangu.giantfoo.org (pangu.giantfoo.org [24.227.169.103]) by mx1.freebsd.org (Postfix) with ESMTP id DE5D813C455 for ; Tue, 22 Jan 2008 05:36:03 +0000 (UTC) (envelope-from johan@giantfoo.org) Received: from localhost (localhost [127.0.0.1]) by pangu.giantfoo.org (Postfix) with ESMTP id 1D31E122A2 for ; Mon, 21 Jan 2008 23:36:03 -0600 (CST) Message-Id: <20080121.233602.27777273.johan@giantfoo.org> Date: Mon, 21 Jan 2008 23:36:02 -0600 (CST) From: "Johan A. van Zanten" To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/119885: kernel panic during heavy ZFS load: "kmem_map too small" X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jan 2008 05:40:01 -0000 >Number: 119885 >Category: kern >Synopsis: kernel panic during heavy ZFS load: "kmem_map too small" >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jan 22 05:40:00 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Johan A. van Zanten >Release: FreeBSD 7.0-PRERELEASE i386 >Organization: >Environment: System: FreeBSD laozi 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #5: Tue Jan 1 03:14: 32 CST 2008 johan@laozi:/local/build/FreeBSD/obj/i386/tew/006/no-backup/src/Free BSD/FreeBSD-7.0/src/sys/DONGFEN i386 >Description: I was using running a tar pipelineto copy a 320GB+ data from an NFS mount to a local ZFS files system, comprised of two 750 GB SATA drives in a RAID-0 type arrangement. NFS mount is over gigabit ethernet. TCP, v3, read and write sizes are set to 65536. kernel panic after copying about 310 GB. panic string Jan 21 11:54:39 laozi savecore: reboot after panic: kmem_malloc(16384): kmem_map too small: 335474688 total allocated Jan 21 11:54:39 laozi savecore: writing core to vmcore.0 Please let me know how i can upload the crash dump. >How-To-Repeat: zpool create barf disk1 disk2 cd /nfsmount tar cbf 63 . - | (cd /barf ; tar xbf 63 - ) >Fix: unknown >Release-Note: >Audit-Trail: >Unformatted: