problem with new aic7xxx driver on asus p2b-ds motherboard

[Perry Wagle]

Hi --

I have a dual Intel PII/450 on an ASUS P2B-DS motherboard, bought
January 1999.  The onboard SCSI is a Adaptec 7890 (from /proc/pci):

----------------------------------------------------------------------------
  Bus  0, device   6, function  0:
    SCSI storage controller: Adaptec AIC-7890/1 (rev 0).
      Medium devsel.  Fast back-to-back capable.  BIST capable.  IRQ 19.  Master Capable.  Latency=32.  Min Gnt=39.Max Lat=25.
      I/O at 0xd000 [0xd001].
      Non-prefetchable 64 bit memory at 0xdf000000 [0xdf000004].
----------------------------------------------------------------------------

Attached to it is a disk (SCSI id 0), cdrom (id 1), CD-R (id 2).

This has been working fine with Redhat 5.2 (ie linux 2.0.36 kernel),
but Redhat 6.0 (ie, linux 2.2.5 kernel) can't finish probing the scsi
bus, since modprobing aic7xxx ends up in an infinite loop timing out
probing for scsi id 3, which doesn't exist.

I was able to install Redhat 6.0 by sticking an IDE scsi in, and
ignoring SCSI entirely.

>From there, I've tried upgrading from Redhat Linux 2.2.5-15smp kernel
to Redhat 2.2.5-22smp.  That didn't help.

I also tried stock linux 2.2.11 kernel. That didn't help either:

----------------------------------------------------------------------------
  (scsi0) <Adaptec AIC-7890/1 Ultra2 SCSI host adapter> found at PCI 6/0 
  (scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs 
  (scsi0) Downloading sequencer code... 374 instructions downloaded 
  (scsi1) <Adaptec AHA-294X Ultra2 SCSI host adapter> found at PCI 12/0 
  (scsi1) Wide Channel, SCSI ID=7, 32/255 SCBs 
  (scsi1) Downloading sequencer code... 374 instructions downloaded 
  scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.19/3.2.4 
         <Adaptec AIC-7890/1 Ultra2 SCSI host adapter> 
  scsi1 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.19/3.2.4 
         <Adaptec AHA-294X Ultra2 SCSI host adapter> 
  scsi : 2 hosts. 
  (scsi0:0:0:0) Synchronous at 80.0 Mbyte/sec, offset 15. 
    Vendor: IBM       Model: DRVS09V           Rev: 0110 
    Type:   Direct-Access                      ANSI SCSI revision: 03 
  Detected scsi disk sda at scsi0, channel 0, id 0, lun 0 
  (scsi0:0:1:0) Synchronous at 10.0 Mbyte/sec, offset 16. 
    Vendor: TOSHIBA   Model: CD-ROM XM-6201TA  Rev: 1037 
    Type:   CD-ROM                             ANSI SCSI revision: 02 
  Detected scsi CD-ROM sr0 at scsi0, channel 0, id 1, lun 0 
  (scsi0:0:2:0) Synchronous at 8.0 Mbyte/sec, offset 31. 
    Vendor: YAMAHA    Model: CRW4416S          Rev: 1.0e 
    Type:   CD-ROM                             ANSI SCSI revision: 02 
  Detected scsi CD-ROM sr1 at scsi0, channel 0, id 2, lun 0 
  scsi : aborting command due to timeout : pid 27, scsi0, channel 0, id 3, lun 0 Test Unit Ready 00 00 00 00 00  
----------------------------------------------------------------------------

where the last line repeats over and over, every few seconds.

Is this a problem with a known fix?  (I've been unable to locate
archives for this mailing list.)  Or am I in trouble if I want to run
2.2.x kernels?  I've tried a number of things, but not everything.  I
can generate more information about my configuration on demand.

Thanks!

-- Perry Wagle (wagle at cse.ogi.edu)


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