Date: Sat, 26 May 2001 16:01:30 +0100 (BST) From: "Mark O. Stitson" <mark@yospace.com> To: Metod Kozelj <metod.kozelj@rzs-hm.si>, "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: <aic7xxx@FreeBSD.ORG> Subject: Re: Weird problem Message-ID: <Pine.LNX.4.30.0105261557310.2504-100000@popper.yospace.com> In-Reply-To: <Pine.HPP.3.96.1010516102347.24873A-100000@hmljhp.rzs-hm.si>
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I have the same problem with my SX164 freezing on large disk activity on the 2.4.4 and 2.4.5 kernels, yet everything works fine with 2.2.18. So I doubt it is the HDDs problem. I will try some of the parameters you tried in your later e-mails. Mark PS: cat /proc/scsi/scsi gives Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: DDRS-34560W Rev: S92A Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: IBM Model: DDYS-T09170N Rev: S96H Type: Direct-Access ANSI SCSI revision: 03 Host: scsi0 Channel: 00 Id: 06 Lun: 00 Vendor: TEAC Model: CD-ROM CD-532S Rev: 1.0A Type: CD-ROM ANSI SCSI revision: 02 and lspci says: 00:05.0 SCSI storage controller: Adaptec AIC-7881U (rev 01) On Wed, 16 May 2001, Metod Kozelj wrote: > Hello, > > A short question: with AIC7xxx v6.1.13 / linux v2.4.4, is it possible to > limit Tagged opennings/Max command opennings per device? > > Problem description: > I'm running linux 2.4.4, aic7xxx 6.1.13 on alpha SX164. I have 2940UW > (lspci says it's a "00:06.0 SCSI storage controller: Adaptec AIC-7881U"), > with following devices attached: > > Attached devices: > Host: scsi0 Channel: 00 Id: 00 Lun: 00 > Vendor: SEAGATE Model: ST34572N Rev: 0784 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi0 Channel: 00 Id: 01 Lun: 00 > Vendor: DEC Model: RZ28D (C) DEC Rev: 0008 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi0 Channel: 00 Id: 04 Lun: 00 > Vendor: NEC Model: CD-ROM DRIVE:465 Rev: 1.03 > Type: CD-ROM ANSI SCSI revision: 02 > > The device 0:1:0 (aka RZ28D) is actually a Seagate ST32556W with DEC' > firmware (sold as "Alpha Station Option"). This is the only wide device, > the other two are narrow. > > The problematic device seems to be this particular HD. Everything runs > fine until some massive write to this device (reading is fine, though). > After that the system freezes solid and only cure is to hit the reset > button. It seems to me that this disk actually locks up the SCSI bus as > the SCSI controler led lights up and the led on that particular disk also. > > The system freeze doesn't happen if the massive write happens to the other > disk. And there wasn't any problem with this particular disk drive while > running linux 2.2.19 with aic7xxx v5.1.33 with max tagged comands set to > 16. > > Any hint? > > Regards, > Metod > > Metod Kozelj > > mailto:Metod.Kozelj@rzs-hm.si /\ Ne posiljajte mi smeti ker grizem! > http://www.rzs-hm.si/ / \ Don't spam me for I bite! > _______________________________________/ \__________________________________ > > ---- perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);' > > > > > PS. /proc/scsi/aic7xxx/0 entries: > > Adaptec AIC7xxx driver version: 6.1.13 > aic7880: Ultra Wide Channel A, SCSI Id=7, 16/255 SCBs > Channel A Target 0 Negotiation Settings > User: 40.000MB/s transfers (20.000MHz, offset 255, 16bit) > Goal: 20.000MB/s transfers (20.000MHz, offset 15) > Curr: 20.000MB/s transfers (20.000MHz, offset 15) > Channel A Target 0 Lun 0 Settings > Commands Queued 10858 > Commands Active 0 > Command Openings 63 > Max Tagged Openings 253 > Device Queue Frozen Count 0 > Channel A Target 1 Negotiation Settings > User: 40.000MB/s transfers (20.000MHz, offset 255, 16bit) > Goal: 20.000MB/s transfers (10.000MHz, offset 8, 16bit) > Curr: 20.000MB/s transfers (10.000MHz, offset 8, 16bit) > Channel A Target 1 Lun 0 Settings > Commands Queued 6535 > Commands Active 0 > Command Openings 63 > Max Tagged Openings 253 > Device Queue Frozen Count 0 > Channel A Target 4 Negotiation Settings > User: 40.000MB/s transfers (20.000MHz, offset 255, 16bit) > Goal: 20.000MB/s transfers (20.000MHz, offset 15) > Curr: 3.300MB/s transfers > Channel A Target 4 Lun 0 Settings > Commands Queued 1 > Commands Active 0 > Command Openings 1 > Max Tagged Openings 0 > Device Queue Frozen Count 0 > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe aic7xxx" in the body of the message > ---------------------------------------------------------------- Dr Mark O. Stitson, System Administrator, Yospace Ltd, 7 The Courtyard, High Street, Staines, UK, TW18 4DP Tel: +44 1784 466388 Fax: +44 1784 466387 WWW: http://www.yospace.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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