Hi all

Well things have slowed down just enought to put some attention on my scsi
problems. Over a month ago I built myself a system (see specs below) that
gave me no end of trouble trying to get Linux to install on it. After some
inital trouble NT installed and works fine. This is my first scsi system.

Well, Red Hat 6.0 installed and for the most part is working fine. I still
have a few problems that I hope will now be easier to solve with linux
already running on it.  I just saw that a new aic7xxx driver is out so I
guess I need to upgrade to the 2.2.9 kernel and try it.

I'm incluned to believe these are just termination/cabling issues, but
have repeatedly gone over my configuration and can't find anything wrong.
I have included the output of /proc/scsi/*, the boot messages, and the
errors I get from xcdroast.

Here are the remaining problems:

1. on bootup it times out trying to detect devices on IDs that do not have
devices (almost all of the unused IDs). See the messages output below. 

2. All devices appear on channel 0. I thought the drives which are on 
the Ultra2 segment would appear on one channel, and the CDROMS on the 
Ultra segment appear on another channel. There are four connectors on the
adapter. For the LVD Ultra2 segment, there are internal and external 68 pin 
connectors. 
For the SE Ultra segment, there is an internal 68 pin wide connector and
an internal 50 pin connector. If I plug the drive cable onto the Ultra
segment, they show up at 40.0 Mbyte/sec not 80.0 Mbyte/sec as they do on
the Ultra2 segment. The adaptec bios just lists settings for 16 IDs, but
does not differentiate between the segments.

3. I can read from both CDROMs fine, but have not been able to burn a CD.
This may be unrelated to my other problems. This is the error I get, 
        /usr/X11R6/lib/xcdroast-0.96e/bin/cdrecord-1.6.1: Cannot allocate memory.
        Cannot send SCSI cmd via ioctl
but please see the full log output below 

Any and all advise is appreciated.

System specs:
OS: Redhat Linux 6.0 stock 2.2.5-15 kernel
OS: NT Server 4.0 - all works fine
MB/CPU: Epox MVP3G (award bios) / AMD K6 2 450
Adapter: 2940U2W bios v2.01.0
Drives:  2 x ibm ultrastar 9ES DDRS 39130 (9gb LVD/ultra 2 wide)
CDROM: toshiba XM6401
CDRW: yamaha4416S
SCSI driver:  5.1.15/3.2.4

This is what the card/cable setup looks like. Again I'm still confused
that all devices show up on channel 0.

-----------------------------
|   controller[ID 7]        |
|                           |
|        ( chain 0 - 68pin) |--HD [ID 8] -- HD [ID 0] -- Active Terminator
|                           |
|  ( chain 1 - 50 pin)      |
-----------------------------
           |
           |--- CDRW [ID 3] ---- CDROM [ID 6] (drive terminted w/ jumper)


# cat /proc/scsi/aic7xxx/0
Adaptec AIC7xxx driver version: 5.1.15/3.2.4
Compile Options:
  TCQ Enabled By Default : Disabled
  AIC7XXX_PROC_STATS     : Enabled
  AIC7XXX_RESET_DELAY    : 5

Adapter Configuration:
           SCSI Adapter: Adaptec AHA-294X Ultra2 SCSI host adapter
                           Ultra-2 LVD/SE Wide Controller
    PCI MMAPed I/O Base: 0xe9001000
 Adapter SEEPROM Config: SEEPROM found and used.
      Adaptec SCSI BIOS: Enabled
                    IRQ: 10
                   SCBs: Active 0, Max Active 2,
                         Allocated 15, HW 32, Page 255
             Interrupts: 7167
      BIOS Control Word: 0x10a6
   Adapter Control Word: 0x1c5d
   Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
     Ultra Enable Flags: 0x0000
 Tag Queue Enable Flags: 0x0000
Ordered Queue Tag Flags: 0x0000
Default Tag Queue Depth: 8
    Tagged Queue By Device array for aic7xxx host instance 0:
      {255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
    Actual queue depth per device for aic7xxx host instance 0:
      {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}

Statistics:

(scsi0:0:0:0)
  Device using Wide/Sync transfers at 80.0 MByte/sec, offset 15
  Transinfo settings: current(10/15/1/0), goal(10/127/1/0),
user(10/127/1/0)
  Total transfers 5292 (4282 reads and 1010 writes)
             < 2K      2K+     4K+     8K+    16K+    32K+    64K+   128K+
   Reads:       1    2579     149     539     636      67     147     164
  Writes:       0     773     174      48      12       3       0       0


(scsi0:0:3:0)
  Device using Narrow/Sync transfers at 8.0 MByte/sec, offset 31
  Transinfo settings: current(30/31/0/0), goal(10/127/0/0),
user(10/127/1/0)
  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


(scsi0:0:6:0)
  Device using Narrow/Sync transfers at 20.0 MByte/sec, offset 16
  Transinfo settings: current(12/16/0/0), goal(10/127/0/0),
user(10/127/1/0)
  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


(scsi0:0:8:0)
  Device using Wide/Sync transfers at 80.0 MByte/sec, offset 15
  Transinfo settings: current(10/15/1/0), goal(10/127/1/0),
user(10/127/1/0)
  Total transfers 1670 (1668 reads and 2 writes)
             < 2K      2K+     4K+     8K+    16K+    32K+    64K+   128K+
   Reads:       1    1665       0       0       0       0       2       0
  Writes:       0       2       0       0       0       0       0       0


# cat /proc/scsi/scsi
Attached devices: 
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: IBM      Model: DDRS-39130D      Rev: DC1B
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 03 Lun: 00
  Vendor: YAMAHA   Model: CRW4416S         Rev: 1.0e
  Type:   CD-ROM                           ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 06 Lun: 00
  Vendor: TOSHIBA  Model: CD-ROM XM-6401TA Rev: 1009
  Type:   CD-ROM                           ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 08 Lun: 00
  Vendor: IBM      Model: DDRS-39130D      Rev: DC1B
  Type:   Direct-Access                    ANSI SCSI revision: 02


# boot messages
Jun  8 22:48:28 kanga kernel: (scsi0) <Adaptec AHA-294X Ultra2 SCSI host 
adapter> found at PCI 10/0 
Jun  8 22:48:28 kanga kernel: (scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs 
Jun  8 22:48:28 kanga kernel: (scsi0) Downloading sequencer code... 374 
instructions downloaded 
Jun  8 22:48:28 kanga kernel: scsi0 : Adaptec AHA274x/284x/294x 
(EISA/VLB/PCI-Fast SCSI) 5.1.15/3.2.4 
Jun  8 22:48:28 kanga kernel:        <Adaptec AHA-294X Ultra2 SCSI host 
adapter> 
Jun  8 22:48:28 kanga kernel: scsi : 1 host. 
Jun  8 22:48:28 kanga kernel: (scsi0:0:0:0) Synchronous at 80.0 Mbyte/sec,
offset 15. 
Jun  8 22:48:28 kanga kernel:   Vendor: IBM       Model: DDRS-39130D Rev:
DC1B 
Jun  8 22:48:28 kanga kernel:   Type:   Direct-Access ANSI SCSI revision:
02 
Jun  8 22:48:28 kanga kernel: Detected scsi disk sda at scsi0, channel 0, 
id 0, lun 0 
Jun  8 22:48:28 kanga kernel: (scsi0:0:3:0) Synchronous at 8.0 Mbyte/sec, 
offset 31. 
Jun  8 22:48:28 kanga kernel:   Vendor: YAMAHA    Model: CRW4416S Rev:
1.0e 
Jun  8 22:48:28 kanga kernel:   Type:   CD-ROM ANSI SCSI revision: 02 
Jun  8 22:48:28 kanga kernel: Detected scsi CD-ROM sr0 at scsi0, channel 
0, id 3, lun 0 
Jun  8 22:48:28 kanga kernel: scsi : aborting command due to timeout : pid 
21, scsi0, channel 0, id 5, lun 0 Test Unit Ready 00 00 00 00 00  
Jun  8 22:48:28 kanga kernel: (scsi0:0:6:0) Synchronous at 20.0 Mbyte/sec,
offset 16. 
Jun  8 22:48:28 kanga kernel:   Vendor: TOSHIBA   Model: CD-ROM XM-6401TA 
Rev: 1009 
Jun  8 22:48:28 kanga kernel:   Type:   CD-ROM ANSI SCSI revision: 02 
Jun  8 22:48:28 kanga kernel: Detected scsi CD-ROM sr1 at scsi0, channel 
0, id 6, lun 0 
Jun  8 22:48:28 kanga kernel: (scsi0:0:8:0) Synchronous at 80.0 Mbyte/sec, 
offset 15. 
Jun  8 22:48:28 kanga kernel:   Vendor: IBM       Model: DDRS-39130D Rev:
DC1B 
Jun  8 22:48:28 kanga kernel:   Type:   Direct-Access ANSI SCSI revision:
02 
Jun  8 22:48:28 kanga kernel: Detected scsi disk sdb at scsi0, channel 0, 
id 8, lun 0 
Jun  8 22:48:28 kanga kernel: scsi : aborting command due to timeout : pid
41, scsi0, channel 0, id 10, lun 0 Test Unit Ready 00 00 00 00 00  
Jun  8 22:48:28 kanga kernel: scsi : aborting command due to timeout : pid
42, scsi0, channel 0, id 11, lun 0 Test Unit Ready 00 00 00 00 00  
Jun  8 22:48:28 kanga kernel: scsi : aborting command due to timeout : pid
43, scsi0, channel 0, id 12, lun 0 Test Unit Ready 00 00 00 00 00  
Jun  8 22:48:28 kanga kernel: scsi : aborting command due to timeout : pid
45, scsi0, channel 0, id 14, lun 0 Test Unit Ready 00 00 00 00 00  
Jun  8 22:48:28 kanga kernel: scsi : aborting command due to timeout : pid 
46, scsi0, channel 0, id 15, lun 0 Test Unit Ready 00 00 00 00 00  
Jun  8 22:48:29 kanga crond: crond startup succeeded
Jun  8 22:48:28 kanga kernel: sr0: scsi3-mmc drive: 16x/16x writer cd/rwxa/form2 cdda 
tray 
Jun  8 22:48:28 kanga kernel: Uniform CDROM driver Revision: 2.54 
Jun  8 22:48:28 kanga kernel: SCSI device sda: hdwr sector= 512 bytes.
Sectors= 17850000 [8715 MB] [8.7 GB] 
Jun  8 22:48:28 kanga kernel:  sda: sda1 sda2 < sda5 sda6 sda7 sda8 > 
Jun  8 22:48:28 kanga kernel: SCSI device sdb: hdwr sector= 512 bytes. 
Sectors= 17850000 [8715 MB] [8.7 GB] 
Jun  8 22:48:28 kanga kernel:  sdb: sdb1 sdb2 sdb3 

# xcdroast log
Cdrecord release 1.6.1 Copyright (C) 1995-1998 Jrg Schilling
TOC Type: 1 = CD-ROM
scsidev: '0,03,00'
scsibus: 0 target: 3 lun: 0
atapi: -1
Device type    : Removable CD-ROM
Version        : 2
Response Format: 2
Capabilities   : SYNC 
Vendor_info    : 'YAMAHA  '
Identifikation : 'CRW4416S        '
Revision       : '1.0e'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags   : SWABAUDIO
Track 01: data   41 MB        
Total size:      47 MB (04:40.09) = 21007 sectors
Lout start:      47 MB (04:42/07) = 21007 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
  Reference speed: 2
  Is not unrestricted
  Is erasable
  ATIP start of lead in:  -11240 (97:32/10)
  ATIP start of lead out: 335100 (74:30/00)
  speed low: 2 speed high: 2
  power mult factor: 6 6
  recommended erase/write power: 3
Disk type: Cyanine, AZO or similar
Manufacturer: Prodisc Technology Inc.
Blocks total: 335100 Blocks current: 335100 Blocks remaining: 314093
Starting to write CD/DVD at speed 4 in dummy mode for single session.
Waiting for reader process to fill input-buffer ... input-buffer ready.
Starting new track at sector: 0
/usr/X11R6/lib/xcdroast-0.96e/bin/cdrecord-1.6.1: Cannot allocate memory.
Cannot send SCSI cmd via ioctl



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