Problem s scsi cd-rom HP 4020i

[Snek]

Mam problem s CD-RW HP 4020i, bohuyel nefunguje ani jako
klasicke datove CD.

Zde jsou technicke data a hlasky jadra. 
Poradte prosim co stim.
------------------------------
Kernel 1
------------------------------
scsi0 : AdvanSys SCSI 2.0: ISA PnP 16 CDB: BIOS C800, IO 110-11F, IRQ
12, DMA 6
scsi : 1 host.
Started kswapd v 1.4.2.2 
scsi : aborting command due to timeout : pid 2, scsi0, channel 0, id 2,
lun 0 0x00 00 00 00 00 00 
advansys: asc_isr_callback: board 0: scp 91018 not on active queue
  Vendor: HP        Model: C4324/C4325       Rev: 1.25
  Type:   CD-ROM                             ANSI SCSI revision: 02
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 2, lun 0
scsi : detected 1 SCSI cdrom total.
------------------------------
Kernel 2
------------------------------
scsi0 : AdvanSys SCSI 2.0: ISA PnP 16 CDB: BIOS C800, IO 110-11F, IRQ
12, DMA 6
scsi : 1 host.
Started kswapd v 1.4.2.2 
scsi : aborting command due to timeout : pid 2, scsi0, channel 0, id 2,
lun 0 Test Unit Ready 00 00 00 00 00 
scsi : aborting command due to timeout : pid 3, scsi0, channel 0, id 2,
lun 0 Inquiry 00 00 00 ff 00 
  Vendor: HP        Model: C4324/C4325       Rev: 1.25
  Type:   CD-ROM                             ANSI SCSI revision: 02
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 2, lun 0
scsi : aborting command due to timeout : pid 4, scsi0, channel 0, id 2,
lun 1 Test Unit Ready 20 00 00 00 00 
scsi : aborting command due to timeout : pid 4, scsi0, channel 0, id 2,
lun 1 Test Unit Ready 20 00 00 00 00 
scsi : detected 1 SCSI cdrom total.
-------------------------------
IRQ
------------------------------
 0:      20981   timer
 1:       1609   keyboard
 2:          0   cascade
 5:          1   sound blaster
10:         21   NE2000
12:          2 + advansys
13:          1   math error
14:      14196 + ide0
15:          5 + ide1
-------------------------------
DMA
-------------------------------
 1: Sound Blaster8
 4: cascade
 5: Sound Blaster16
 6: advansys
------------------------------
IO ports
------------------------------
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0080-009f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : npu
0110-011f : advansys
0170-0177 : ide1
01f0-01f7 : ide0
0220-022f : sound blaster
0280-029f : NE2000
02f8-02ff : serial(auto)
0376-0376 : ide1
0388-038b : OPL3/OPL2
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto)
ffa0-ffa7 : IDE DMA
ffa8-ffaf : IDE DMA
------------------------------
/procs/scsi/advansys/0
------------------------------
AdvanSys SCSI 2.0: ISA PnP 16 CDB: BIOS C800, IO 110-11F, IRQ 12, DMA 6

Device Information for AdvanSys SCSI Host 0:
Target Ids Detected: 2, (7=Host Adapter)
Host: scsi0 Channel: 00 Id: 02 Lun: 00
  Vendor: HP       Model: C4324/C4325      Rev: 1.25
  Type:   CD-ROM                           ANSI SCSI revision: 02

EEPROM Settings for AdvanSys SCSI Host 0:
 Host SCSI ID: 7, Host Queue Size: 16, Device Queue Size: 4
 Disconnects:          0:Y 1:Y 2:Y 3:Y 4:Y 5:Y 6:Y 7:Y
 Command Queuing:      0:N 1:N 2:N 3:N 4:N 5:N 6:N 7:N
 Start Motor:          0:Y 1:Y 2:Y 3:Y 4:Y 5:Y 6:Y 7:Y
 Synchronous Transfer: 0:N 1:N 2:N 3:N 4:N 5:N 6:N 7:N
 Host ISA DMA speed:   5 MB/S

Linux Driver Configuration and Information for AdvanSys SCSI Host 0:
 host_busy 0, last_reset 0, max_id 8, max_lun 8, max_channel 0
 unique_id 0, can_queue 16, this_id 7, sg_tablesize 50, cmd_per_lun 0
 unchecked_isa_dma 1, use_clustering 1, loaded_as_module 0
 flags 0, last_reset 0, jiffies 6aa7
 queue_depth:      2:4

Linux Driver Statistics for AdvanSys SCSI Host 0:
 command 0, queuecommand 9, abort 1, reset 0, biosparam 0
 check_interrupt 2, interrupt 2, callback 3, done 9
 asc_noerror 3, asc_busy 0, asc_error 0, asc_unknown 0
 cont_cnt 3, cont_xfer 1.5 kb avg_xfer 0.3 kb
 Active and Waiting Request Queues (time unit: 100 HZ):
 target 2
   active: cnt [cur 0, max 1, tot 3], time [min 6, max 1346, avg 683.6]
   waiting: cnt [cur 0, max 0, tot 0], time [min 0, max 0, avg 0.0]

Asc Library Configuration and Statistics for AdvanSys SCSI Host 0:
 chip_version 33, lib_version 278, lib_serial_no 91, mcode_date 3344
 mcode_version 1289, err_code 0
 Total Command Pending:    0
 Synchronous Transfer:     2:N
 Command Queuing:          2:N
 Command Queue Pending:    2:0
 Command Queue Limit:      2:4
 Command Queue Full:       2:N

Snek :-(
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