Date: Fri, 25 Aug 1995 07:44:19 -0700 From: "Justin T. Gibbs" <gibbs@freefall.FreeBSD.org> To: "Kenneth D. Merry" <ken@rflab1.gtri.gatech.edu> Cc: questions@freebsd.org Subject: Re: Adaptec 2842, Quantum XP34300 problem Message-ID: <199508251444.HAA05513@freefall.FreeBSD.org> In-Reply-To: Your message of "Fri, 25 Aug 95 03:21:20 EDT." <199508250721.DAA23125@rflab1.gtri.gatech.edu>
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> The current driver seemed to work fine, so I decided to have a go >at fscking /usr, to see if the upgraded driver would make any difference as >far as behavior. It made a difference, but not exactly what I wanted. >When I fscked the partition, it failed in Phase 2, as before, and the drive >spun down, but instead of the plain timeout messages, I got the following >error messages (I had to write them down.../var is on the drive in >question, so there was no logging or anything that could be done): > >ahc1: target 0, lun 0 (sd0) timed out >sd0(ahc1:0:0): BUS DEVICE RESET message queued. >ahc1: target 0, lun 0 (sd0) timed out >ahc1: Issued Channel A Bus Reset #1. 1 SCBs aborted >panic: ahc1: brkadrint, Illegal Host Access at seqaddr = 0x0 The "brkadrint" is a bug. The messages above it should be enough to find the problem. > So, I'm not sure whether this is a hardware problem, or a software >problem, or what. The grand prixs are very touchy little drives. We had three die with similar behavior patterns to what you describe here. Although it may be a driver problem, it sounds like the drive just didn't like it when you accessed a particular sector. > Does anyone have any ideas about this? The machine seems to be >working fine now, but it kinda makes me nervous not to be able to get >through a fsck of the system. I was able to do a full backup this >afternoon (using tar), but not without several timeouts: > >Aug 24 14:40:00 wc206 /kernel: ahc1: target 0, lun 0 (sd0) timed out >Aug 24 14:40:00 wc206 /kernel: >Aug 24 14:40:00 wc206 /kernel: sd0(ahc1:0:0): ABORTED COMMAND asc:4e,0 Overlap >ped commands attempted >Aug 24 14:40:00 wc206 /kernel: , retries:4 > > I wasn't running the -current ahc1 driver when I did the backup, so >the error messages aren't as verbose as they might be. So, if anyone has >any idea how I might at the very least diagnose what kind of problem my >drive has, and hopefully be able to fsck the entire thing, I'd be very >grateful. > The overlapped commands errors should not occur with the -current driver. You should be using that. > >Thanks, > >Ken >-- >Kenneth Merry >ken@rflab1.gtri.gatech.edu >Disclaimer: I don't speak for GTRI, GT, or Elvis. > > >****** >ahc1: reading board settings >ahc1: 284x Single Channel, SCSI Id=7, aic7770 >= Rev E, 4 SCBs >ahc1: Using Edge Triggered Interrupts >ahc1: Downloading Sequencer Program...Done >ahc1 at 0x1000-0x10ff irq 11 on eisa slot 1 >ahc1: Probing channel A >ahc1 waiting for scsi devices to settle >ahc1: target 0 synchronous at 10.0MB/s, offset = 0xf >ahc1: target 0 Tagged Queuing Device >(ahc1:0:0): "Quantum XP34300 55B1" type 0 fixed SCSI 2 >sd0(ahc1:0:0): Direct-Access 4101MB (8399520 512 byte sectors) >ahc1: target 1 synchronous at 5.0MB/s, offset = 0xf >(ahc1:1:0): "NEC CD-ROM DRIVE:500 1.0" type 5 removable SCSI 2 >cd0(ahc1:1:0): CD-ROM >cd0(ahc1:1:0): NOT READY asc:3a,0 Medium not present >can't get the size > >ahc1: target 4 synchronous at 5.0MB/s, offset = 0xf >(ahc1:4:0): "SONY SDT-5000 3.02" type 1 removable SCSI 2 >st0(ahc1:4:0): Sequential-Access density code 0x13, drive empty >****** > >****** ># /dev/rsd0c: >type: SCSI >disk: sd0s1 >label: >flags: >bytes/sector: 512 >sectors/track: 32 >tracks/cylinder: 64 >sectors/cylinder: 2048 >cylinders: 4100 >sectors/unit: 8398816 >rpm: 0 >interleave: 0 >trackskew: 0 >cylinderskew: 0 >headswitch: 0 # milliseconds >track-to-track seek: 0 # milliseconds >drivedata: 0 > >8 partitions: ># size offset fstype [fsize bsize bps/cpg] > b: 409600 0 swap # (Cyl. 0 - 199) > c: 8398816 0 unused 0 0 # (Cyl. 0 - 4100*) > e: 409600 409600 4.2BSD 0 0 0 # (Cyl. 200 - 399) > f: 7579616 819200 4.2BSD 0 0 0 # (Cyl. 400 - 4100*) >Warning, revolutions/minute 0 >super block size 0 >****** -- Justin T. Gibbs =========================================== Software Developer - Walnut Creek CDROM FreeBSD: Turning PCs into workstations ===========================================
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