sym53c8xx_2 regressions in 2.6.9-rc2

[René Rebe]

Hi James, hi all,

James, your recent 2.6.9-pre changes seem to cause new regressions in 
the sym53c8xx_2 driver.

On my U30 sparc64 box I get many errors in the system log:

Sep 20 15:28:34 sundown kernel: sym0:0:0:phase change 6-7 11@c7ff7b90 
resid=6.
Sep 20 15:28:34 sundown last message repeated 2 times
Sep 20 15:28:34 sundown kernel: sym0:0:0:phase change 6-7 11@c7ff6390 
resid=6.
Sep 20 15:28:35 sundown last message repeated 6 times
Sep 20 15:28:35 sundown kernel: sym0:0:0:phase change 6-7 11@c7ff9b90 
resid=6.
Sep 20 15:28:35 sundown kernel: sym0:0:0:phase change 6-7 11@c7ff6390 
resid=6.
Sep 20 15:28:35 sundown last message repeated 29 times
Sep 20 15:28:35 sundown kernel: sym0:0:0:phase change 6-7 11@c7ff9b90 
resid=6.
Sep 20 15:28:35 sundown last message repeated 2 times
Sep 20 15:28:35 sundown kernel: sym0:0:0:phase change 6-7 11@c7ff6390 
resid=6.
Sep 20 15:28:36 sundown last message repeated 28 times

those did not show up in any other 2.6 kernel up to .8.1 ...

Connected devices are: # cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: IBM      Model: DXHS18Y          Rev: 0430
  Type:   Direct-Access                    ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 06 Lun: 00
  Vendor: TEAC     Model: CD-ROM CD-532S   Rev: 1.0A
  Type:   CD-ROM                           ANSI SCSI revision: 02

With a working 2.6.8 kernel (that is the one the running right now) the 
printouts during boot are:

sym0: <875> rev 0x3 at pci 0001:00:03.0 irq 4,7e0
sym0: No NVRAM, ID 7, Fast-20, SE, parity checking
sym0: SCSI BUS has been reset.
scsi0 : sym-2.1.18j
sym0:0: FAST-20 WIDE SCSI 40.0 MB/s ST (50.0 ns, offset 15)
  Vendor: IBM       Model: DXHS18Y           Rev: 0430
  Type:   Direct-Access                      ANSI SCSI revision: 03
sym0:0:0: tagged command queuing enabled, command queue depth 16.
scsi(0:0:0:0): Beginning Domain Validation
sym0:0: FAST-20 SCSI 20.0 MB/s ST (50.0 ns, offset 16)
sym0:0: FAST-20 WIDE SCSI 40.0 MB/s ST (50.0 ns, offset 15)
scsi(0:0:0:0): Domain Validation skipping write tests
scsi(0:0:0:0): Ending Domain Validation
SCSI device sda: 35566480 512-byte hdwr sectors (18210 MB)
SCSI device sda: drive cache: write back
 /dev/scsi/host0/bus0/target0/lun0: p1 p2 p3
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
  Vendor: TEAC      Model: CD-ROM CD-532S    Rev: 1.0A
  Type:   CD-ROM                             ANSI SCSI revision: 02
scsi(0:0:6:0): Beginning Domain Validation
sym0:6: FAST-20 SCSI 20.0 MB/s ST (50.0 ns, offset 16)
scsi(0:0:6:0): Domain Validation skipping write tests
scsi(0:0:6:0): Ending Domain Validation

Sincerely yours,
  René Rebe
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