Date: Mon, 9 Nov 1998 17:40:01 -0800 (PST) From: asami@cs.berkeley.edu (Satoshi Asami) To: scsi@FreeBSD.ORG Subject: turning off tagged queuing with CAM? Message-ID: <199811100140.RAA23827@vader.cs.berkeley.edu>
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Hi Justin and Ken (and others :),
Is it possible to turn off tagged queuing with the current version of
CAM? There used to be an AHC_TAGENABLE variable but it seems to have
gone away. I looked at the mode pages but couldn't find anything
suspicious.
Here's one of the systems:
===
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 3.0-CURRENT #2: Wed Nov 4 04:13:25 PST 1998
asami2@m8.cs.berkeley.edu:/disks/stampede/sandbox1/freebsd/allsrc/current/src/sys/compile/TD
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 199432708 Hz
CPU: Pentium Pro (199.43-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x616 Stepping=6
Features=0xf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV>
real memory = 100663296 (98304K bytes)
avail memory = 95531008 (93292K bytes)
Probing for devices on PCI bus 0:
chip0: <Intel 82440FX (Natoma) PCI and memory controller> rev 0x02 on pci0.0.0
chip1: <Intel 82371SB PCI to ISA bridge> rev 0x00 on pci0.7.0
ide_pci0: <Intel PIIX3 Bus-master IDE controller> rev 0x00 on pci0.7.1
vga0: <ATI Mach64-GX graphics accelerator> rev 0x03 on pci0.11.0
fxp0: <Intel EtherExpress Pro 10/100B Ethernet> rev 0x02 int a irq 11 on pci0.15.0
fxp0: Ethernet address 00:a0:c9:72:86:45
chip2: <DEC 21050 PCI-PCI bridge> rev 0x02 on pci0.17.0
chip3: <DEC 21050 PCI-PCI bridge> rev 0x02 on pci0.19.0
Probing for devices on PCI bus 1:
ahc0: <Adaptec 3940 Ultra SCSI host adapter> rev 0x00 int a irq 10 on pci1.4.0
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
ahc1: <Adaptec 3940 Ultra SCSI host adapter> rev 0x00 int a irq 11 on pci1.5.0
ahc1: aic7880 Wide Channel B, SCSI Id=7, 16/255 SCBs
Probing for devices on PCI bus 2:
ahc2: <Adaptec 3940 Ultra SCSI host adapter> rev 0x00 int a irq 11 on pci2.4.0
ahc2: aic7880 Wide Channel A, SCSI Id=6, 16/255 SCBs
ahc3: <Adaptec 3940 Ultra SCSI host adapter> rev 0x00 int a irq 11 on pci2.5.0
ahc3: aic7880 Wide Channel B, SCSI Id=6, 16/255 SCBs
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: CGA <16 virtual consoles, flags=0x0>
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A, console
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <ST32140A>
wd0: 2015MB (4127760 sectors), 4095 cyls, 16 heads, 63 S/T, 512 B/S
npx0 on motherboard
npx0: INT 16 interface
ahc1: Someone reset channel A
ccd0-7: Concatenated disk drivers
Waiting 2 seconds for SCSI devices to settle
changing root device to wd0s1a
da8 at ahc0 bus 0 target 8 lun 0
da8: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da8: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da8: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da41 at ahc2 bus 0 target 9 lun 0
da41: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da41: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da41: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da46 at ahc2 bus 0 target 14 lun 0
da46: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da46: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da46: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da1 at ahc0 bus 0 target 1 lun 0
da1: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da1: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da1: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da47 at ahc2 bus 0 target 15 lun 0
da47: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da47: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da47: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da2 at ahc0 bus 0 target 2 lun 0
da2: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da2: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da2: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da43 at ahc2 bus 0 target 11 lun 0
da43: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da43: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da43: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da4 at ahc0 bus 0 target 4 lun 0
da4: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da4: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da4: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da40 at ahc2 bus 0 target 8 lun 0
da40: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da40: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da40: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da42 at ahc2 bus 0 target 10 lun 0
da42: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da42: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da42: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da0 at ahc0 bus 0 target 0 lun 0
da0: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da0: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da0: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da3 at ahc0 bus 0 target 3 lun 0
da3: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da3: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da3: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da45 at ahc2 bus 0 target 13 lun 0
da45: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da45: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da45: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da9 at ahc0 bus 0 target 9 lun 0
da9: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da9: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da9: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da44 at ahc2 bus 0 target 12 lun 0
da44: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da44: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da44: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
da5 at ahc0 bus 0 target 5 lun 0
da5: <IBM OEM DCHS09Y 2424> Fixed Direct Access SCSI2 device
da5: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da5: 8689MB (17796077 512 byte sectors: 255H 63S/T 1107C)
===
Satoshi
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