Dave Tweten:
My old kernel, vintage 4.1.1, works fine with my three old Adaptec SCSI host
bus adapters, two AHA1742A's and an AHA2842VL (yes, it's an old motherboard).
I've cvsupped 4.2 a couple of times (most recently November 9, 14:26 PST),
built world, built kernel, installed kernel, and tried to reboot. The
following behavior happened both times:
Early boot output looks like:
ahb0: Adaptec 174x SCSI host adapter at 0x1c00-0x1cff, irq 11 (level)
ahb0: on disa0 slot 1
ahb0: AHA1742A Single Ended SCSI Adapter, FW Rev. E , ID=7, 64 ECBs
ahb1: Adaptec 174x SCSI host adapter at 0x2c00-0x2cff, irq 12 (level)
ahb1: on eisa0 slot 2
ahb1: AHA1740A Single Ended SCSI Adapter, FW Rev. E , ID=6, 64 ECBs
ahc0: Adaptec 284X SCSI Adapter at 0x8c00-0x8cff, irq 10 (edge)
ahc0: on eisa0 slot 8
aic7770: Single Channel A, SCSI Id=7, 4/255 SCBs
which corresponds to the output from a 4.1.1 kernel. Later, however, comes:
ahc0: brkadrint, Illegal Sequencer Address referenced at seqaddr = 0x3
SCB count = 10
Waiting Queue Entries:
Disconnected Queue Entries:
QOUTFIFO entries:
Sequencer Free SCB List: 0 1 2 3
Pending list:
Kernel Free SCB list: 8 7 6 5 4 3 2 1 0
Waiting 5 seconds for SCSI devices to settle.
ahb0: SCSI Bus Reset Delivered
ahb1: SCSI Bus Reset Delivered
Justin had just fixed this yesterday and MFC'd into STABLE. I had the
same error on an aic7770 adapter which is gone now after making a new
kernel.
Helge
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