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Date:      Mon, 4 Sep 2000 21:14:43 +0100 (BST)
From:      Chris Hedley <cbh@teabag.demon.co.uk>
To:        freebsd-current@freebsd.org
Subject:   Re: AIC-7890 problems with kernel build
Message-ID:  <Pine.BSF.4.21.0009042108200.60880-100000@teabag.cbhnet>
In-Reply-To: <200009041910.QAA08880@Den.BOFH.Halifax.NS.Ca>

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On Mon, 4 Sep 2000, Brandon Hume wrote:
> Just after the "waiting for SCSI devices to settle" message, I'll get a 
> number of SCB errors (which I don't have written down, unfortunately), and
> then eventually a panic.  This is with ACPI enabled... if I don't enable
> ACPI, it will proceed immediately to the panic.

Sounds similar to what I'm getting; after a boot I get a load of the
following:

  ahc0: ahc_intr - referenced scb not valid during SELTO (31, 255)
  ahc1: ahc_intr - referenced scb not valid during SELTO (31, 139)

followed by a panic:

  (probe0:ahc0:0:0:0): SCB 0x9 - timed out while idle, SEQADDR == 0xb
  panic: Waiting List inconsistency. SCB index == 255, yet numscbs == 20

(Being a technophobe I decided to write these down rather than dig out a
breakout box to capture the serial port output!)

Similar config to yours; a Tyan Thunder SMP BX with an onboard 7895
controller.  I started getting this after my 29th Aug update, although
this was a few days since the last working version I compiled (dmesg says
the 24th so, er, I guess that's when it was)

Lots of other blurb about "can't allocate register resources" for just
about anything on the PCI bus, as I recall.

Chris.



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