2000-11-11 16:27:07

by Anders Peter Fugmann

[permalink] [raw]
Subject: problem detecting QUANTUM scsi disks in Wide mode.

Hi

I'm having problems with an Adaptec AIC-7890/1 Ultra2 SCSI adapter.
under kernel 2.4.0-test10.

Under boot, the the two Quantum scsi disks are not detected correctly,
and the root partition could not be mounted (because it could not find
the disks).

Written of the screen:
Host: scsi0 channel: 00 Id: 01 Lun:00
Vendor: ?P Model: @L rev: P
Type: Unknown ANSI SCSI revision: 00
Host: scsi0 channel: 00 Id: 02 Lun:00
Vendor: ?P Model: @L rev: P
Type: Unknown ANSI SCSI revision: 00

Going into the scsi bios, and setting the scsi transfer to narrow (40Mb
instead of 80Mb)
corrects the problem. Is there any solution to this problem, or won't I
ever get my discs up and running 80Mb/sec?

Btw. They both gets detected correctly in 2.2.16 in wide mode.
The mobo is a P2B-DS, with two PIII-550 Mhz CPU's

> cat \proc\scsi\scsi
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: QUANTUM Model: ATLAS 10K 9WLS Rev: UCP0
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: QUANTUM Model: ATLAS 10K 9WLS Rev: UCP0
Type: Direct-Access ANSI SCSI revision: 03

>cat /proc/scsi/aic7xxx/0
Adaptec AIC7xxx driver version: 5.2.1/5.2.0
Compile Options:
TCQ Enabled By Default : Enabled
AIC7XXX_PROC_STATS : Enabled

Adapter Configuration:
SCSI Adapter: Adaptec AIC-7890/1 Ultra2 SCSI host adapter
Ultra-2 LVD/SE Wide Controller at PCI 0/6/0
PCI MMAPed I/O Base: 0xcc000000
Adapter SEEPROM Config: SEEPROM found and used.
Adaptec SCSI BIOS: Enabled
IRQ: 19
SCBs: Active 0, Max Active 16,
Allocated 31, HW 32, Page 255
Interrupts: 53607
BIOS Control Word: 0x1886
Adapter Control Word: 0x1c1e
Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
Ultra Enable Flags: 0x0000
Tag Queue Enable Flags: 0x0003
Ordered Queue Tag Flags: 0x0003
Default Tag Queue Depth: 8
Tagged Queue By Device array for aic7xxx host instance 0:
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
Actual queue depth per device for aic7xxx host instance 0:
{8,8,1,1,1,1,1,1,1,1,1,1,1,1,1,1}

Statistics:

(scsi0:0:0:0)
Device using Narrow/Sync transfers at 40.0 MByte/sec, offset 31
Transinfo settings: current(10/31/0/0), goal(10/127/0/0),
user(10/127/0/0)
Total transfers 32157 (9525 reads and 22632 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+
128K+
Reads: 18 0 6983 807 354 413 950
0
Writes: 0 0 18640 3822 121 22 27
0


(scsi0:0:1:0)
Device using Narrow/Sync transfers at 40.0 MByte/sec, offset 31
Transinfo settings: current(10/31/0/0), goal(10/127/0/0),
user(10/127/0/0)
Total transfers 21348 (9521 reads and 11827 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+
128K+
Reads: 7 0 7003 809 352 398 952
0
Writes: 0 0 10492 1184 55 68 28
0



Regards
Anders Fugmann