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Date: Thu, 12 Jul 2001 17:21:40 -0400
From: Luc Lalonde <llalonde@giref.ulaval.ca>
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To: linux-kernel@vger.kernel.org
Subject: Adaptec SCSI driver lockups
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Hello folks,

I'm having trouble identifying wether I'm having hardware or software(
OS ) problems.  For the past couple of Months I've been having system
lockups every 10 days or so.

I suspect that it is a problem with the Adaptec 39160 SCSI controller
that is on my system (aic799).  The lockups always occur when I'm
backing up to my HP DAT40 that is connected to channel A of this SCSI
controller.  The strange thing is that I backup every night most of the
time without problems to this tape.  

Here is some info on my system:

Kernel: 2.4.6pre3 ( I've been getting the same problem since 2.4.2 )

Here is all the SCSI controller info (the first two are on the
motherboard):

scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
        <Adaptec aic7890/91 Ultra2 SCSI adapter>
        aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/255 SCBs

scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
        <Adaptec aic7880 Ultra SCSI adapter>
        aic7880: Ultra Single Channel A, SCSI Id=7, 16/255 SCBs

scsi2 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
        <Adaptec 3960D Ultra160 SCSI adapter>
        aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/255 SCBs

scsi3 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
        <Adaptec 3960D Ultra160 SCSI adapter>
        aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/255 SCBs

This is a PowerEdge 2400 Dual 866Mhz PentiumIII:

Motherboard: ServerWorks Entry ServerSet III LE64 Chipset
HardDrives: Four 36Gig Ultra160 connected to scsi0 (aic7890/91)
TapeDrive: HP DAT40 connected to scsi2

I've checked the termination on the 39160 and everything seems fine.

Would anyone have any pointers?  Please CC:llalonde@giref.ulaval.ca

Thanks.

-- 
Luc Lalonde, Responsable du reseau GIREF

Telephone: (418) 656-2131 poste 6623
Courriel: llalonde@giref.ulaval.ca
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