On Thu, 18 Feb 1999, Omachonu Ogali wrote:
[Problems with slow HDD and AHA-2940UW]
> My advice to you, would be assess your system for
> any current conflicts. I have an AHA-2940UA that uses
> IRQ 10 for default, and my Ethernet card started dropping
> packets. Maybe the IRQ is also being used by another
> device, causing the SCSI bus to slow down?
Thanks, but I don't thing this is the problem :
nerys:[~] % cat /proc/interrupts
0: 17125586 timer
1: 142774 keyboard
2: 0 cascade
5: 1 MS Sound System
8: 1 + rtc
9: 51299 aic7xxx
12: 1853512 PS/2 Mouse
13: 1 math error
14: 0 + ide0
15: 5553478 Intel EtherExpress Pro 10/100 Ethernet
Is there anything below that might be casuing the trouble?
nerys:[~] % cat /proc/scsi/aic7xxx/0
Adaptec AIC7xxx driver version: 5.1.7/3.2.4
Compile Options:
AIC7XXX_RESET_DELAY : 15
AIC7XXX_TAGGED_QUEUEING: Adapter Support Enabled
Check below to see which
devices use tagged queueing
AIC7XXX_PAGE_ENABLE : Enabled (This is no longer an option)
AIC7XXX_PROC_STATS : Disabled
Adapter Configuration:
SCSI Adapter: Adaptec AHA-294X Ultra SCSI host adapter
Ultra Wide Controller
PCI MMAPed I/O Base: 0xfedff000
Adapter SEEPROM Config: SEEPROM found and used.
Adaptec SCSI BIOS: Enabled
IRQ: 9
SCBs: Active 0, Max Active 1,
Allocated 15, HW 16, Page 255
Interrupts: 51344
BIOS Control Word: 0x08b6
Adapter Control Word: 0x005d
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
20.0 MByte/sec, offset 8
Device Negotiation Settings
Period Offset Bus Width
User 025 008 1
Goal 025 008 1
Current 025 008 1
Total transfers: 24623/26666 read/written)
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