Date: Thu, 14 Oct 1999 23:16:50 -0700 From: Parag Patel <parag@cgt.com> To: freebsd-stable@freebsd.org, freebsd-scsi@freebsd.org Subject: Odd dmesg output or SCSI tagged-queueing problem? Message-ID: <689.939968210@pinhead.parag.codegen.com>
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Hello. I just noticed my system's two IBM SCSI disks aren't displaying a "tagged queueing enabled" message. I only noticed it when I added a 3rd disk to the system today. Here's the edited dmesg output (the complete output is appended below): ... ahc0: <Adaptec aic7880 Ultra SCSI adapter> rev 0x00 int a irq 19 on pci0.6.0 ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs ... da2 at ahc0 bus 0 target 2 lun 0 da2: <QUANTUM XP34550W LYK8> Fixed Direct Access SCSI-2 device da2: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled da2: 4341MB (8890760 512 byte sectors: 255H 63S/T 553C) ... da1 at ahc0 bus 0 target 1 lun 0 da1: <IBM DCAS-34330W S65A> Fixed Direct Access SCSI-2 device da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit) da1: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C) ... da0 at ahc0 bus 0 target 0 lun 0 da0: <IBM DCAS-34330W S65A> Fixed Direct Access SCSI-2 device da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit) da0: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C) ... Now I seem to remember that these IBM drives used to be displayed like the Quantum, that is with the string "Tagged Queueing Enabled". I searched all the /var/log/messages files to see if any earlier kernel did display this, but nothing up to 4.0-CURRENT as of May 1999 displayed this string, and I've switched to running STABLE since. A search of the mail archives didn't turn up anything directly related to this, although one other person with the *identical* 7880 and IBM drive *did* have "Tagged Queueing Enabled" in their dmesg output. So it seems that at least I'm not mis-remembering this. I think. Thoughts? Thanks! -- Parag Patel Copyright (c) 1992-1999 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 3.3-STABLE #3: Thu Oct 14 15:12:05 PDT 1999 root@pinhead.parag.codegen.com:/usr/src/sys/compile/PINHEAD Timecounter "i8254" frequency 1193182 Hz CPU: Pentium II (686-class CPU) Origin = "GenuineIntel" Id = 0x634 Stepping = 4 Features=0x80fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,MMX> real memory = 268435456 (262144K bytes) avail memory = 258191360 (252140K bytes) Programming 24 pins in IOAPIC #0 FreeBSD/SMP: Multiprocessor motherboard cpu0 (BSP): apic id: 1, version: 0x00040011, at 0xfee00000 cpu1 (AP): apic id: 0, version: 0x00040011, at 0xfee00000 io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000 Preloaded elf kernel "kernel" at 0xc02ed000. Pentium Pro MTRR support enabled Probing for devices on PCI bus 0: chip0: <Intel 82443LX host to PCI bridge> rev 0x03 on pci0.0.0 chip1: <Intel 82443LX PCI-PCI bridge> rev 0x03 on pci0.1.0 chip2: <Intel 82371AB PCI to ISA bridge> rev 0x01 on pci0.4.0 ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev 0x01 on pci0.4.1 chip3: <Intel 82371AB Power management controller> rev 0x01 on pci0.4.3 ahc0: <Adaptec aic7880 Ultra SCSI adapter> rev 0x00 int a irq 19 on pci0.6.0 ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs fxp0: <Intel EtherExpress Pro 10/100B Ethernet> rev 0x05 int a irq 17 on pci0.11.0 fxp0: Ethernet address 00:a0:c9:da:98:26 Probing for devices on PCI bus 1: vga0: <Matrox model 051f graphics accelerator> rev 0x00 int a irq 16 on pci1.0.0 Probing for PnP devices: CSN 1 Vendor ID: CTL00e4 [0xe4008c0e] Serial 0x08de2f0a Comp ID: PNPb02f [0x2fb0d041] Probing for devices on the ISA bus: sc0 on isa sc0: VGA color <16 virtual consoles, flags=0x0> atkbdc0 at 0x60-0x6f on motherboard atkbd0 irq 1 on isa psm0 irq 12 on isa psm0: model MouseMan+, device ID 0 sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A sio2 at 0x3e8-0x3ef irq 5 on isa sio2: type 16550A sio3 at 0x2e8-0x2ef irq 9 on isa sio3: type 16550A ppc0 at 0x378 irq 7 on isa ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/9 bytes threshold lpt0: <generic printer> on ppbus 0 lpt0: Interrupt-driven port ppi0: <generic parallel i/o> on ppbus 0 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 flags 0xa0ffa0ff on isa wdc0: unit 0 (atapi): <TOSHIBA CD-ROM XM-6202B/1108>, removable, accel, ovlap, dma, iordis acd0: drive speed 5512KB/sec, 256KB cache acd0: supported read types: CD-R, CD-RW, CD-DA acd0: Audio: play, 255 volume levels acd0: Mechanism: ejectable tray acd0: Medium: no/blank disc inside, unlocked wdc1 at 0x170-0x177 irq 15 flags 0xa0ffa0ff on isa wdc1: unit 0 (wd2): <IBM-DJNA-371800>, DMA, 32-bit, multi-block-16 wd2: 17206MB (35239680 sectors), 34960 cyls, 16 heads, 63 S/T, 512 B/S sb0 at 0x220 irq 10 drq 1 on isa snd0: <SoundBlaster 16 4.16> sbxvi0 at drq 5 on isa snd0: <SoundBlaster 16 4.16> sbmidi0 not found at 0x330 opl0 at 0x388 on isa snd0: <Yamaha OPL3 FM> joy0 at 0x201 on isa joy0: joystick joy1 not probed due to I/O address conflict with joy0 at 0x201 vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa npx0 on motherboard npx0: INT 16 interface APIC_IO: Testing 8254 interrupt delivery APIC_IO: routing 8254 via pin 2 Waiting 3 seconds for SCSI devices to settle SMP: AP CPU #1 Launched! pass4 at ahc0 bus 0 target 6 lun 0 pass4: <UMAX Astra 600S V1.6> Fixed Scanner SCSI-2 device pass4: 3.300MB/s transfers da2 at ahc0 bus 0 target 2 lun 0 da2: <QUANTUM XP34550W LYK8> Fixed Direct Access SCSI-2 device da2: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled da2: 4341MB (8890760 512 byte sectors: 255H 63S/T 553C) changing root device to da0s2a cd0 at ahc0 bus 0 target 4 lun 0 cd0: <SONY CD-R CDU926S 1.1e> Removable Worm SCSI-2 device cd0: 10.000MB/s transfers (10.000MHz, offset 15) cd0: Attempt to query device size failed: NOT READY, Medium not present da1 at ahc0 bus 0 target 1 lun 0 da1: <IBM DCAS-34330W S65A> Fixed Direct Access SCSI-2 device da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit) da1: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C) da0 at ahc0 bus 0 target 0 lun 0 da0: <IBM DCAS-34330W S65A> Fixed Direct Access SCSI-2 device da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit) da0: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C) pid 493 (kpilotDaemon), uid 1000: exited on signal 6 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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