Here both 5.0.18 and 5.0.19 only detect 3 out of four scsi disks.
In fact, 5.0.18 detected all the disks 2 times out of more than twenty tries.
While booted on a rescue ide disk, 5.0.18 accepted to detect the missing disk
with a echo 'scsi-add-single-device 2 0 6 0' > /proc/scsi/scsi.
Everything works fine with 5.0.13 and kernel 2.1.105.
Jo.
Here is the config :
scsi is not a module.
Three cards, the two first :
Adaptec AHA-2940A Ultra
the 3rd (#2) (an Asus 2940uw):
SCSI Adapter: Adaptec AIC-7880 Ultra SCSI host adapter
Ultra Wide Controller
The disk sdd is a ultra wide. All the others periferals are scsi2.
Terminaison is correct.
cards #1 and #2 shares the same irq.
Here is the /proc/scsi/scsi for the 3rd card:
Attached devices:
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: PHILIPS Model: CDD2600 Rev: 1.07
Type: CD-ROM ANSI SCSI revision: 02
Host: scsi2 Channel: 00 Id: 01 Lun: 00
Vendor: IBM Model: DORS-32160 Rev: S82C
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi2 Channel: 00 Id: 06 Lun: 00
Vendor: IBM Model: DCAS-34330W Rev: S65A
Type: Direct-Access ANSI SCSI revision: 02
and here is the content of /proc/scsi/aic7xxx/2 :
Adaptec AIC7xxx driver version: 5.0.13/3.2.4
Compile Options:
AIC7XXX_RESET_DELAY : 9
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 : Enabled
Adapter Configuration:
SCSI Adapter: Adaptec AIC-7880 Ultra SCSI host adapter
Ultra Wide Controller
PCI MMAPed I/O Base: 0xf6800000
Adaptec SCSI BIOS: Enabled
IRQ: 15
SCBs: Active 0, Max Active 2,
Allocated 30, HW 16, Page 255
Interrupts: 3975
BIOS Control Word: 0x1896
Adapter Control Word: 0x005a
Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
Ultra Enable Flags: 0xfffd
Tag Queue Enable Flags: 0x0000
Ordered Queue Tag Flags: 0x0000
Default Tag Queue Depth: 24
Tagged Queue By Device array for aic7xxx host instance 2:
{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 2:
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
Statistics:
(scsi2:0:1:0)
nxfers 297 (292 read;5 written)
blks(512) rd=963; blks(512) wr=22
< 512 512-1K 1-2K 2-4K 4-8K 8-16K 16-32K 32-64K 64-128K >128K
Reads: 0 1 265 0 24 0 0 2 0 0
Writes: 0 0 3 0 2 0 0 0 0 0
(scsi2:0:6:0)
nxfers 3554 (2844 read;710 written)
blks(512) rd=19095; blks(512) wr=1716
< 512 512-1K 1-2K 2-4K 4-8K 8-16K 16-32K 32-64K 64-128K >128K
Reads: 0 1 1666 134 485 544 2 10 2 0
Writes: 0 0 620 81 6 3 0 0 0 0
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