2.4.20pre7, aic7xxx-6.2.8: Panic: HOST_MSG_LOOP with invalid SCB 0

From: Ville Herva (vherva@niksula.hut.fi)
Date: Fri Sep 20 2002 - 00:28:32 EST

Celeron 1.3GHz, Intel i815 chipset, 512MB ram.

AIC-2640 PCI card with uw and narrow connectors. A Seagate scsi disk
(rootfs) attached to uw, and a HP tape drive attached to narrow. Tape drive
never used.

I only ran 2.4.20pre7 (no other patches) for a night and it crashed:

Kernel panic: HOST_MSG_LOOP with invalid SCB 0

In interrupt handler, not syncing

Boot log snippet:
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8
        <Adaptec 2940 SCSI adapter>
        aic7870: Wide Channel A, SCSI Id=7, 16/253 SCBs

  Vendor: SEAGATE Model: ST19171W Rev: 0024
  Type: Direct-Access ANSI SCSI revision: 02
(scsi0:A:0): 20.000MB/s transfers (10.000MHz, offset 8, 16bit)
  Vendor: HP Model: C1537A Rev: L708
  Type: Sequential-Access ANSI SCSI revision: 02
(scsi0:A:2): 10.000MB/s transfers (10.000MHz, offset 15)
scsi0:A:0:0: Tagged Queuing enabled. Depth 8
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
SCSI device sda: 17783112 512-byte hdwr sectors (9105 MB)
 sda: sda1 sda2 < sda5 sda6 >


2.2.18pre18 with aic7xxx-5.1.31 was solid on this box (the motherboard has
been changed since, though).

-- v --

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