From owner-freebsd-bugs Mon Jul 21 11:00:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id LAA29376 for bugs-outgoing; Mon, 21 Jul 1997 11:00:16 -0700 (PDT) Received: (from gnats@localhost) by hub.freebsd.org (8.8.5/8.8.5) id LAA29354; Mon, 21 Jul 1997 11:00:11 -0700 (PDT) Resent-Date: Mon, 21 Jul 1997 11:00:11 -0700 (PDT) Resent-Message-Id: <199707211800.LAA29354@hub.freebsd.org> Resent-From: gnats (GNATS Management) Resent-To: freebsd-bugs Resent-Reply-To: FreeBSD-gnats@FreeBSD.ORG, nsayer@quack.kfu.com Received: from relay1.UU.NET (relay1.UU.NET [192.48.96.5]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id KAA28933 for ; Mon, 21 Jul 1997 10:55:18 -0700 (PDT) Received: from slxinc.specialix.com by relay1.UU.NET with SMTP (peer crosschecked as: slxinc.specialix.com [192.65.145.1]) id QQczel14163; Mon, 21 Jul 1997 13:55:12 -0400 (EDT) Received: from zephyr.specialix.com by specialix.com id aa08468; 21 Jul 97 10:54 PDT Received: by zephyr.specialix.com (8.8.5//ident-1.0) id KAA00362; Mon, 21 Jul 1997 10:55:12 -0700 (PDT) Message-Id: <199707211755.KAA00362@zephyr.specialix.com> Date: Mon, 21 Jul 1997 10:55:12 -0700 (PDT) From: nsayer@quack.kfu.com Reply-To: nsayer@quack.kfu.com To: FreeBSD-gnats-submit@FreeBSD.ORG X-Send-Pr-Version: 3.2 Subject: kern/4136: worm fails with 'write append error' Sender: owner-freebsd-bugs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk >Number: 4136 >Category: kern >Synopsis: worm fails with 'write append error' >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jul 21 11:00:06 PDT 1997 >Last-Modified: >Originator: Nick Sayer >Organization: Just me >Release: FreeBSD 2.2.2-RELEASE i386 >Environment: Copyright (c) 1992-1997 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 2.2.2-RELEASE #4: Tue Jul 8 11:30:17 PDT 1997 nick@zephyr.specialix.com:/usr/src/sys/compile/ZEPHYR CPU: i486 DX2 (486-class CPU) Origin = "GenuineIntel" Id = 0x435 Stepping=5 Features=0x3 real memory = 16777216 (16384K bytes) avail memory = 14721024 (14376K bytes) Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> ed0 at 0x300-0x31f irq 10 maddr 0xcc000 msize 16384 on isa ed0: address 00:00:c0:e1:4e:57, type WD8013WC (16 bit) sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A lpt0 at 0x378-0x37f irq 7 on isa lpt0: Interrupt-driven port lp0: TCP/IP capable interface psm0 at 0x60-0x64 irq 12 on motherboard psm0: device ID 0 fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 72065B fd0: 1.44MB 3.5in wdc0 not found at 0x1f0 aha0 at 0x330-0x333 irq 11 drq 5 on isa (aha0:0:0): "QUANTUM FIREBALL1080S 630C" type 0 fixed SCSI 2 sd0(aha0:0:0): Direct-Access 1042MB (2134305 512 byte sectors) (aha0:4:0): "HP CD-Writer 6020 1.07" type 5 removable SCSI 2 worm0(aha0:4:0): Write-Once npx0 flags 0x1 on motherboard npx0: INT 16 interface changing root device to sd0a IP packet filtering initialized, divert enabled, logging limited to 100 packets/entry aha0 is a 1542CP. Burning was done in single user mode to insure the burner had the CPU's full attention. >Description: Dummy burn works perfectly. Real burn fails miserably after a couple hundred K with Jul 21 10:33:57 zephyr /kernel: worm0(aha0:4:0): ABORTED COMMAND asc:50,0 Write append error Jul 21 10:33:58 zephyr /kernel: worm0(aha0:4:0): ABORTED COMMAND info:80005783 asc:50,0 Write append error >How-To-Repeat: wormcontrol select HP 4020i wormcontrol prepdisk double dummy wormcontrol track data rtprio 5 team -v 1m 5 < cdr | rtprio 5 dd of=/dev/rworm0 obs=20k wormcontrol fixate 1 works just fine. The same sequence without 'dummy' fails. >Fix: >Audit-Trail: >Unformatted: