From owner-freebsd-bugs Wed Apr 24 16:20:08 1996 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id QAA08977 for bugs-outgoing; Wed, 24 Apr 1996 16:20:08 -0700 (PDT) Received: (from gnats@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id QAA08936 Wed, 24 Apr 1996 16:20:04 -0700 (PDT) Resent-Date: Wed, 24 Apr 1996 16:20:04 -0700 (PDT) Resent-Message-Id: <199604242320.QAA08936@freefall.freebsd.org> Resent-From: gnats (GNATS Management) Resent-To: freebsd-bugs Resent-Reply-To: FreeBSD-gnats@freefall.FreeBSD.org, cjl@qnet.com Received: from mandolin.QNET.COM (mandolin.qnet.com [204.107.78.4]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id QAA08203 for ; Wed, 24 Apr 1996 16:10:45 -0700 (PDT) Received: by mandolin.QNET.COM (Smail3.1.29.1 #3) id m0uCDje-00070cC; Wed, 24 Apr 96 16:12 PDT Message-Id: Date: Wed, 24 Apr 96 16:12 PDT From: Chris Linstruth Reply-To: cjl@qnet.com To: FreeBSD-gnats-submit@freebsd.org X-Send-Pr-Version: 3.2 Subject: kern/1157: SCSI Disk Timeouts (ahc0) Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >Number: 1157 >Category: kern >Synopsis: SCSI Disk Timeouts (ahc0) >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Class: support >Submitter-Id: current-users >Arrival-Date: Wed Apr 24 16:20:02 PDT 1996 >Last-Modified: >Originator: CJ Linstruth >Organization: Quantum Networking Solutions, Inc. >Release: FreeBSD 2.1-STABLE i386 >Environment: FreeBSD 2.1.0-RELEASE #0: Wed Apr 10 14:31:02 PDT 1996 root@mandolin.qnet.com:/usr/src/sys/compile/NNTPSERVER CPU: 99-MHz Pentium 735\\90 or 815\\100 (Pentium-class CPU) Origin = "GenuineIntel" Id = 0x525 Stepping=5 Features=0x1bf real memory = 33554432 (32768K bytes) avail memory = 30556160 (29840K 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 0x280-0x29f irq 3 maddr 0xd0000 msize 16384 on isa ed0: address 00:00:c0:97:b7:7a, type WD8013EPC (16 bit) ed1 not found at 0x300 sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1: disabled, not probed. sio2: disabled, not probed. sio3: disabled, not probed. lpt0 at 0x378-0x37f irq 7 on isa lpt0: Interrupt-driven port lp0: TCP/IP capable interface lpt1 not found at 0xffffffff lpt2 not found at 0xffffffff mse0: wrong signature ff mse0 not found at 0x23c fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 72065B fd0: 1.44MB 3.5in wdc0 not found at 0x1f0 wdc1 not found at 0x170 bt0 not found at 0x330 uha0 not found at 0x330 ahc1 not found ahb0 not found aha0 not found at 0x330 aic0 not found at 0x340 nca0 not found at 0x1f88 nca1 not found at 0x350 sea0 not found wt0 not found at 0x300 mcd0: disabled, not probed. mcd1: disabled, not probed. matcdc0 not found at 0x230 scd0 not found at 0x230 ie0 not probed due to maddr conflict with ed0 at 0xd0000 ep0 not found at 0x300 ix0 not probed due to maddr conflict with ed0 at 0xd0000 le0 not probed due to maddr conflict with ed0 at 0xd0000 lnc0 not probed due to I/O address conflict with ed0 at 0x280 lnc1 not found at 0x300 ze0 not found at 0x300 zp0 not found at 0x300 npx0 on motherboard npx0: INT 16 interface Probing for devices on the PCI bus: chip0 rev 1 on pci0:0 chip1 rev 2 on pci0:7 ahc0 rev 0 int a irq 11 on pci0:20 ahc0: aic7870 Ultra Single Channel, SCSI Id=7, aic7870, 255 SCBs ahc0 waiting for scsi devices to settle (ahc0:0:0): "QUANTUM LIGHTNING 540S 241E" type 0 fixed SCSI 2 sd0(ahc0:0:0): Direct-Access 525MB (1075649 512 byte sectors) (ahc0:1:0): "FUJITSU M1606S-512 6226" type 0 fixed SCSI 2 sd1(ahc0:1:0): Direct-Access 1041MB (2131992 512 byte sectors) (ahc0:2:0): "SEAGATE ST15230N 0298" type 0 fixed SCSI 2 sd2(ahc0:2:0): Direct-Access 4095MB (8386733 512 byte sectors) (ahc0:3:0): "Quantum XP34300 81HB" type 0 fixed SCSI 2 sd3(ahc0:3:0): Direct-Access 4101MB (8399520 512 byte sectors) changing root device to sd0a WARNING: / was not properly dismounted. sd0 and sd1 are internal, sd2 and sd3 are each in their own enclosure. Termination has been doublechecked. Nay, triplechecked. >Description: System hang with the following on the console: ahc0: target 1, lun 0 (sd1) timed out sd1(ahc0:1:0): BUS DEVICE RESET message queued ahc0: target 2, lun 0 (sd1) timed out Different occurrances are on different targets. We've started keeping a history but no pattern yet. >How-To-Repeat: Error occurs occasionally. Sometimes uptimes are as much as a week, other times as little as a few hours. This machine is a Usenet News server with articles on the two 4GB drives, overview on sd0 and history on sd1. It also does light UUCP news and mail. I can't pinpoint any particular event that triggers this. Sometimes it happens during expire, sometimes not. >Fix: >Audit-Trail: >Unformatted: