Sony CD-Writer + ADAPTEC 2910

[Nicolas Soriano]

Hello,

I'm trying to use a Sony CD-Writer (CDU 926) with an adaptec 2910 and 
a Linux 2.2pre8 kernel.

This is the message I got at boot time (or when lloading aic7xxx module)

(scsi0) <Adaptec AIC-7850 SCSI host adapter> found at PCI 19/0
(scsi0) Narrow Channel, SCSI ID=0, 3/255 SCBs
(scsi0) Downloading sequencer code... 412 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.10/3.2.4
       <Adaptec AIC-7850 SCSI host adapter>
scsi : 1 host.
(scsi0:0:2:0) Parity error during Command phase.
scsi : aborting command due to timeout : pid 2, scsi0, channel 0, id 2, lun 0 0x12 00 00 00 ff 00
SCSI host 0 abort (pid 2) timed out - resetting
SCSI bus is being reset for host 0 channel 0.
(scsi0:0:2:0) Parity error during Command phase.
  Vendor:           Model:                   Rev:
  Type:   WORM                               ANSI SCSI revision: 00
scsi : aborting command due to timeout : pid 3, scsi0, channel 0, id 3, lun 0 0x00 00 00 00 00 00
SCSI host 0 abort (pid 3) timed out - resetting
SCSI bus is being reset for host 0 channel 0. 

I've tried several options concerning parity verbosity etc... without effect.

The CD-Writer is detected :

nostromo >cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 02 Lun: 00

or in /proc/scsi/aic7xxx/0
[...]
(scsi0:0:2:0)
  Device using Narrow/Async transfers.
  Transinfo settings: current(0/0/0), goal(0/0/0), user(0/0/0)
  Total transfers 0 (0 reads and 0 writes)
             < 2K      2K+     4K+     8K+    16K+    32K+    64K+   128K+
   Reads:       0       0       0       0       0       0       0       0
  Writes:       0       0       0       0       0       0       0       0
             

  Vendor:          Model:           x      Rev:
  Type:   WORM                             ANSI SCSI revision: 01

But if I tried to use it, it results in a kernel panic with parity error messages.

Any idea ?


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