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Subject2.6.14: aic7xxx broken with blktool
I'm using blktool to find info about installed disks. With Debian's 
2.6.8, "blktool /dev/sda id" worked fine. With 2.6.14 it's broken (see
below). Adaptec 2940UW with a 4.5G Quantum Viking II disk.

It outputs random data from memory as a response to the scsi command,
different recent strings different times.

Otherwise the disk works OK.

blktools is from Debian Sarge, package version 4-2, and works fine with
2.6.8-2-686-smp kernel from Debian.

dmesg:

[...]
SCSI subsystem initialized
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
PCI: setting IRQ 11 as level-triggered
ACPI: PCI Interrupt 0000:00:0f.0[A] -> Link [LNKB] -> GSI 11 (level, low) -> IRQ 11
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
<Adaptec 2940 Ultra SCSI adapter>
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs

Vendor: QUANTUM Model: VIKING II 4.5WLS Rev: 3506
Type: Direct-Access ANSI SCSI revision: 02
scsi0:A:6:0: Tagged Queuing enabled. Depth 8
target0:0:6: Beginning Domain Validation
target0:0:6: wide asynchronous.
target0:0:6: Domain Validation skipping write tests
target0:0:6: FAST-10 WIDE SCSI 20.0 MB/s ST (100 ns, offset 8)
target0:0:6: Ending Domain Validation
target0:0:6: FAST-10 WIDE SCSI 20.0 MB/s ST (100 ns, offset 8)
SCSI device sda: 8910423 512-byte hdwr sectors (4562 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 8910423 512-byte hdwr sectors (4562 MB)
SCSI device sda: drive cache: write back
sda: sda1 sda2 sda4 < sda5 sda6 >
Attached scsi disk sda at scsi0, channel 0, id 6, lun 0
[...]
(scsi0:A:6:0): No or incomplete CDB sent to device.
(scsi0:A:6:0): Protocol violation in Message-in phase. Attempting to abort.
(scsi0:A:6:0): Abort Tag Message Sent
(scsi0:A:6:0): SCB 3 - Abort Tag Completed.
(scsi0:A:6:0): No or incomplete CDB sent to device.
(scsi0:A:6:0): Protocol violation in Message-in phase. Attempting to abort.
(scsi0:A:6:0): Abort Tag Message Sent
(scsi0:A:6:0): SCB 2 - Abort Tag Completed.

--
Meelis Roos (mroos@linux.ee)
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