lockups with 5.0.7 & 2.0.33

matthew tebbens matthew at tebbens.com
Thu Feb 19 06:51:30 PST 1998


I have a few IBM DCHS-04U scsi drives. They all have the same part number,
76H2697. I'm using them with a 2940UW & 2.0.33. If you want any
information that I may have, let me know.

Matthew


On Wed, 18 Feb 1998, Patrick Michael Kane wrote:

> Greets.
> 
> I am experiencing lockups (no log messages) on a Linux system, running
> 2.0.33, using either the stock 2.0.33 driver or the new 5.0.7 driver using
> an Adaptec 2940W and an IBM DCHS04U wide internal drive.
>  
> /proc/pci reports:
> 
> Bus  0, device  12, function  0:
> SCSI storage controller: Adaptec AIC-7871 (rev 0).
> Medium devsel.  Fast back-to-back capable.  IRQ 10.  Master Capable. 
> 
> /proc/scsi/scsi:
> 
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: IBM OEM  Model: DCHS04U          Rev: 5353
> Type:   Direct-Access                    ANSI SCSI revision: 02
> 
> /proc/scsi/aic7xxx/0 (driver version 5.0.7):
> 
> Adaptec AIC7xxx driver version: 5.0.7/3.2.2
> Compile Options:
>   AIC7XXX_RESET_DELAY    : 15
>   AIC7XXX_TAGGED_QUEUEING: Adapter Wide Support Enabled.
>   AIC7XXX_PAGE_ENABLE    : Enabled (This is no longer an option)
>   AIC7XXX_PROC_STATS     : Disabled
> 
> Adapter Configuration:
>            SCSI Adapter: Adaptec AHA-294X SCSI host adapter
>                            Wide Controller
>                 Base IO: 0xe400
>          Base IO Memory: 0xfbbff000
>     BIOS Memory Address: 0x0
>                          Enabled
>                     IRQ: 10
>                    SCBs: Active 0, Max Active 1,
>                          Allocated 30, HW 16, Page 255
>              Interrupts: 4843
>       BIOS Control Word: 0x0096
>    Adapter Control Word: 0x005c
>    Extended Translation: Enabled
>          SCSI Bus Reset: Enabled
> Disconnect Enable Flags: 0xffff
>  Tag Queue Enable Flags: 0x0000
> Ordered Queue Tag Flags: 0x0000
>     Tagged Queue By Device array for aic7xxx host instance 0:
>       {255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
>     Actual queue depth per device for aic7xxx host instance 0:
>       {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
> 
> The system locks, with the drive access light on, whenever I do extended
> writes, normally within a few minutes of starting the operation.  No errors
> are logged out to any of the logfiles or printed on the screen.
> 
> Oddly enough, the system seemed to work fine under a slackware
> installation that was recently replaced with redhat 5.0.
> 
> It is a single drive on the internal bus, with a high-quality, short cable
> and active termination on the drive.  The interface on the card is
> terminated as well.
> 
> Does anyone have any ideas what might be causing this?  Would upgrading the
> card bios help?  Currently it is at version 1.11.
> 
> Thanks in advance,
> -- 
> Patrick Michael Kane
> <modus at pr.es.to>
> 
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