Date: Sat, 27 Feb 1999 13:40:47 -0700 (MST) From: "Kenneth D. Merry" <ken@plutotech.com> To: volf@oasis.IAEhv.nl (Frank Volf) Cc: freebsd-scsi@freebsd.org Subject: Re: ahc error message Message-ID: <199902272040.NAA62936@panzer.plutotech.com> In-Reply-To: <199902271923.TAA00980@avalon.oasis.IAEhv.nl> from Frank Volf at "Feb 27, 1999 8:23:17 pm"
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Frank Volf wrote... > Kenneth D. Merry wrote: > > The 'timed out while idle' messages mean that the drive did not return a > > command before the timeout period expired, and there was nothing going on > > on the bus at the time. The timeout period for the da driver is 60 > > seconds, so if a drive doesn't return a transaction in that period of time, > > something is certainly wrong. > > > > This indicates that the drive is "going out to lunch" for some reason, and > > not responding to commands. > > > > There are several possible explanations: > > > > - it could be a cabling or termination problem > > Seems unlikely. Never experienced problems with FreeBSD 2.2.6 nor with > windows/NT that is installed on another partition. Neither FreeBSD 2.2.6 nor Windows NT are capable of putting as much load on disks as FreeBSD/CAM. > > - it could be your drive has buggy firmware. What kind of drive is it, > > and how heavily loaded is it? What was going on when the errors popped > > up? > > Yes, there was heavy disk activity going on at the moment the error occured. > > > Some firmware revisions of the Quantum Atlas II showed symptoms like that > > under heavy load. > > ahc0: <Adaptec aic7880 Ultra SCSI adapter> rev 0x00 int a irq 10 on pci0.6.0 > ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs > > ... > > da0 at ahc0 bus 0 target 0 lun 0 > da0: <QUANTUM XP34550W LXY4> Fixed Direct Access SCSI-2 device > da0: 20.000MB/s transfers (10.000MHz, offset 8, 16bit), Tagged Queueing Enabled > da0: 4341MB (8890760 512 byte sectors: 255H 63S/T 553C) > > Is this the quantum drive you are talking about? I have no clue how to > determine the firmware version of this drive. Nor do I have a utility to > upgrade the firmware. Sigh... The firmware version is LXY4. I had problems very similar to the problems you're having with my Atlas II's (I have 4, unfortunately) until I upgraded to the LYK8 firmware: da0 at ahc0 bus 0 target 0 lun 0 da0: <QUANTUM XP34550W LYK8> Fixed Direct Access SCSI-2 device da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled da0: 4341MB (8890760 512 byte sectors: 255H 63S/T 553C) da1 at ahc0 bus 0 target 1 lun 0 da1: <QUANTUM XP34550W LYK8> Fixed Direct Access SCSI-2 device da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled da1: 4341MB (8890760 512 byte sectors: 255H 63S/T 553C) Quantum has firmware upgrades and a firmware upgrade utility on ftp.quantum.com. (it seems to be down now) You'll need a bootable DOS floppy with ASPI drivers for your SCSI card to run the firmware loader and do the upgrade. You'll probably want to back your system up first, although I have done four firmware upgrades, and haven't lost any data. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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