One of my co-workers sent me the following mail.  Does this show
a problem with the driver for ahc?

-Tracy
----
I'm getting disk errors on a pair of Dell 1650 servers owned by Telecom.
They are running NetBSD 1.6_BETA4.  Following this will be two syslog
fragments, the first is the disk errors thrown off and the second is the
messages logged at boot time.

- -----------------------------------------------------------------------

Aug 31 03:15:29 flow2 /netbsd: sd0(ahc1:0:0:0):  Check Condition on CDB: 0x0a 17 ea 5f 10 00
Aug 31 03:15:29 flow2 /netbsd:     SENSE KEY:  Aborted Command
Aug 31 03:15:29 flow2 /netbsd:      ASC/ASCQ:  Overlapped Commands Attempted
Aug 31 03:15:29 flow2 /netbsd:      FRU CODE:  0x1
Aug 31 03:15:29 flow2 /netbsd: 
Aug 31 03:17:06 flow2 /netbsd: sd0(ahc1:0:0:0): SCB 1b - timed out while idle, SEQADDR == 0xc
Aug 31 03:17:10 flow2 /netbsd: SCSIRATE == 0x0
Aug 31 03:17:14 flow2 /netbsd: sd0(ahc1:0:0:0): Queuing a BDR SCB
Aug 31 03:17:18 flow2 /netbsd: sd0(ahc1:0:0:0): Bus Device Reset Message Sent
Aug 31 03:17:22 flow2 /netbsd: sd0(ahc1:0:0:0): no longer in timeout, status = 0
Aug 31 03:17:26 flow2 /netbsd: sd0: async, 8-bit transfers, tagged queueing
Aug 31 03:18:30 flow2 /netbsd: ahc1: Bus Device Reset on A:0. 15 SCBs aborted
Aug 31 03:23:31 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Aug 31 03:28:32 flow2 /netbsd: ahc1:A:0: ahc_intr - referenced scb not valid during seqint 0x71 scb(20)
Aug 31 03:31:37 flow2 /netbsd: ahc1: WARNING no command for scb 20 (cmdcmplt)
Aug 31 03:31:41 flow2 /netbsd: QOUTPOS = 8
Aug 31 03:31:45 flow2 /netbsd: sd0(ahc1:0:0:0): SCB 1b - timed out while idle, SEQADDR == 0xc
Aug 31 03:31:49 flow2 /netbsd: SCSIRATE == 0x0
Aug 31 03:31:53 flow2 /netbsd: sd0(ahc1:0:0:0): Queuing a BDR SCB
Aug 31 03:31:57 flow2 /netbsd: sd0(ahc1:0:0:0): Bus Device Reset Message Sent
Aug 31 04:42:39 flow2 /netbsd: sd0(ahc1:0:0:0): no longer in timeout, status = 0
Aug 31 04:47:39 flow2 /netbsd: sd0: async, 8-bit transfers, tagged queueing
Aug 31 04:52:39 flow2 /netbsd: ahc1: Bus Device Reset on A:0. 3 SCBs aborted
Aug 31 04:57:39 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Aug 31 05:02:39 flow2 /netbsd: ahc1:A:0: ahc_intr - referenced scb not valid during seqint 0x71 scb(20)
Aug 31 05:07:39 flow2 /netbsd: ahc1: WARNING no command for scb 20 (cmdcmplt)
d: sd0: async, 8-bit transfers, tagged queueing
Aug 31 05:30:27 flow2 /netbsd: ahc1: Bus Device Reset on A:0. 3 SCBs aborted
Aug 31 05:30:31 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Aug 31 05:30:35 flow2 /netbsd: ahc1:A:0: ahc_intr - referenced scb not valid during seqint 0x71 scb(20)
Aug 31 05:30:39 flow2 /netbsd: ahc1: WARNING no command for scb 20 (cmdcmplt)
Aug 31 05:32:42 flow2 /netbsd: QOUTPOS = 90
Aug 31 05:37:42 flow2 /netbsd: sd0(ahc1:0:0:0): SCB 1b - timed out while idle, SEQADDR == 0xc
Aug 31 05:42:42 flow2 /netbsd: SCSIRATE == 0x0
Aug 31 05:47:42 flow2 /netbsd: sd0(ahc1:0:0:0): Queuing a BDR SCB
Aug 31 05:52:42 flow2 /netbsd: sd0(ahc1:0:0:0): Bus Device Reset Message Sent
Aug 31 05:57:42 flow2 /netbsd: sd0(ahc1:0:0:0): no longer in timeout, status = 0
Aug 31 06:02:42 flow2 /netbsd: sd0: async, 8-bit transfers, tagged queueing
Aug 31 06:07:42 flow2 /netbsd: ahc1: Bus Device Reset on A:0. 3 SCBs aborted
Aug 31 06:12:42 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Aug 31 06:17:42 flow2 /netbsd: ahc1:A:0: ahc_intr - referenced scb not valid during seqint 0x71 scb(20)
Aug 31 06:22:42 flow2 /netbsd: ahc1: WARNING no command for scb 20 (cmdcmplt)
Aug 31 06:27:42 flow2 /netbsd: QOUTPOS = 91
Aug 31 06:36:43 flow2 /netbsd: sd0(ahc1:0:0:0): SCB 1b - timed out while idle, SEQADDR == 0xa
Aug 31 06:41:43 flow2 /netbsd: SCSIRATE == 0x0
Aug 31 06:43:01 flow2 /netbsd: sd0(ahc1:0:0:0): Queuing a BDR SCB
Aug 31 06:43:18 flow2 /netbsd: sd0(ahc1:0:0:0): Bus Device Reset Message Sent
Aug 31 06:43:30 flow2 /netbsd: sd0(ahc1:0:0:0): no longer in timeout, status = 0
Aug 31 06:43:55 flow2 /netbsd: sd0: async, 8-bit transfers, tagged queueing
Aug 31 06:44:09 flow2 /netbsd: ahc1: Bus Device Reset on A:0. 3 SCBs aborted
Aug 31 06:44:24 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Aug 31 06:47:46 flow2 /netbsd: ahc1:A:0: ahc_intr - referenced scb not valid during seqint 0x71 scb(20)
Aug 31 06:47:55 flow2 /netbsd: ahc1: WARNING no command for scb 20 (cmdcmplt)
Aug 31 07:09:10 flow2 /netbsd: QOUTPOS = 94
Aug 31 07:09:25 flow2 /netbsd: sd0(ahc1:0:0:0): SCB 1b - timed out while idle, SEQADDR == 0xc
Aug 31 07:09:46 flow2 /netbsd: SCSIRATE == 0x0
Aug 31 07:10:08 flow2 /netbsd: sd0(ahc1:0:0:0): Queuing a BDR SCB
Aug 31 07:10:24 flow2 /netbsd: sd0(ahc1:0:0:0): Bus Device Reset Message Sent
Aug 31 07:10:38 flow2 /netbsd: sd0(ahc1:0:0:0): no longer in timeout, status = 0
Aug 31 07:10:51 flow2 /netbsd: sd0: async, 8-bit transfers, tagged queueing
Aug 31 07:11:00 flow2 /netbsd: ahc1: Bus Device Reset on A:0. 3 SCBs aborted
Aug 31 07:11:08 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Aug 31 07:11:16 flow2 /netbsd: ahc1:A:0: ahc_intr - referenced scb not valid during seqint 0x71 scb(20)
Aug 31 07:11:24 flow2 /netbsd: ahc1: WARNING no command for scb 20 (cmdcmplt)
Aug 31 07:11:32 flow2 /netbsd: QOUTPOS = 95
Aug 31 07:11:40 flow2 /netbsd: sd0(ahc1:0:0:0): SCB 1b - timed out while idle, SEQADDR == 0xa
Aug 31 07:11:48 flow2 /netbsd: SCSIRATE == 0x0
Aug 31 07:14:53 flow2 /netbsd: sd0(ahc1:0:0:0): Queuing a BDR SCB
Aug 31 07:19:53 flow2 /netbsd: sd0(ahc1:0:0:0): Bus Device Reset Message Sent
Aug 31 07:24:53 flow2 /netbsd: sd0(ahc1:0:0:0): no longer in timeout, status = 0
Aug 31 07:29:53 flow2 /netbsd: sd0: async, 8-bit transfers, tagged queueing


- ---------------------------------------------------------------------


Sep  4 15:49:57 flow2 /netbsd: NetBSD 1.6_BETA4 (GENERIC) #0: Wed Jul 17 13:53:38 CDT 2002
Sep  4 15:49:57 flow2 /netbsd:     root@aurora.ait.iastate.edu:/usr/branch/obj/GENERIC
Sep  4 15:49:57 flow2 /netbsd: cpu0: Intel Pentium III (Tualatin) (686-class), 1396.53 MHz
Sep  4 15:49:57 flow2 /netbsd: cpu0: I-cache 16 KB 32b/line 4-way, D-cache 16 KB 32b/line 2-way
Sep  4 15:49:57 flow2 /netbsd: cpu0: L2 cache 512 KB 32b/line 8-way
Sep  4 15:49:57 flow2 /netbsd: cpu0: features 383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
Sep  4 15:49:57 flow2 /netbsd: cpu0: features 383fbff<PGE,MCA,CMOV,FGPAT,PSE36,MMX>
Sep  4 15:49:57 flow2 /netbsd: cpu0: features 383fbff<FXSR,SSE>
Sep  4 15:49:57 flow2 /netbsd: total memory = 1023 MB
Sep  4 15:49:57 flow2 /netbsd: avail memory = 944 MB
Sep  4 15:49:57 flow2 /netbsd: using 6144 buffers containing 52508 KB of memory
Sep  4 15:49:57 flow2 /netbsd: BIOS32 rev. 0 found at 0xffe90
Sep  4 15:49:57 flow2 /netbsd: mainbus0 (root)
Sep  4 15:49:57 flow2 /netbsd: pci0 at mainbus0 bus 0: configuration mode 1
Sep  4 15:49:57 flow2 /netbsd: pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
Sep  4 15:49:57 flow2 /netbsd: pchb0 at pci0 dev 0 function 0
Sep  4 15:49:57 flow2 /netbsd: pchb0: ServerWorks CNB20HE Host (rev. 0x23)
Sep  4 15:49:57 flow2 /netbsd: pci1 at pchb0 bus 1
Sep  4 15:49:57 flow2 /netbsd: pci1: no spaces enabled!
Sep  4 15:49:57 flow2 /netbsd: pchb1 at pci0 dev 0 function 1
Sep  4 15:49:57 flow2 /netbsd: pchb1: ServerWorks CNB20HE Host (rev. 0x01)
Sep  4 15:49:57 flow2 /netbsd: pchb2 at pci0 dev 0 function 2
Sep  4 15:49:57 flow2 /netbsd: pchb2: ServerWorks I/O Bridge (rev. 0x01)
Sep  4 15:49:57 flow2 /netbsd: pci2 at pchb2 bus 1
Sep  4 15:49:57 flow2 /netbsd: pci2: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
Sep  4 15:49:57 flow2 /netbsd: wm0 at pci2 dev 2 function 0: Intel i82544 1000BASE-T Ethernet, rev. 2
Sep  4 15:49:57 flow2 /netbsd: wm0: interrupting at irq 7
Sep  4 15:49:57 flow2 /netbsd: wm0: Ethernet address 00:06:5b:ec:69:f5
Sep  4 15:49:57 flow2 /netbsd: makphy0 at wm0 phy 1: Marvell 88E1000 Gigabit PHY, rev. 0
Sep  4 15:49:57 flow2 /netbsd: makphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
Sep  4 15:49:57 flow2 /netbsd: wm1 at pci2 dev 4 function 0: Intel i82544 1000BASE-T Ethernet, rev. 2
Sep  4 15:49:57 flow2 /netbsd: wm1: interrupting at irq 5
Sep  4 15:49:58 flow2 /netbsd: wm1: Ethernet address 00:06:5b:ec:69:f6
Sep  4 15:49:58 flow2 /netbsd: makphy1 at wm1 phy 1: Marvell 88E1000 Gigabit PHY, rev. 0
Sep  4 15:49:58 flow2 /netbsd: makphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
Sep  4 15:49:58 flow2 /netbsd: ahc1 at pci2 dev 6 function 0
Sep  4 15:49:58 flow2 /netbsd: ahc1: interrupting at irq 3
Sep  4 15:49:58 flow2 /netbsd: ahc1: aic7899 Wide Channel A, SCSI Id=7, 16/255 SCBs
Sep  4 15:49:58 flow2 /netbsd: scsibus0 at ahc1: 16 targets, 8 luns per target
Sep  4 15:49:58 flow2 /netbsd: ahc2 at pci2 dev 6 function 1
Sep  4 15:49:58 flow2 /netbsd: ahc2: interrupting at irq 7
Sep  4 15:49:58 flow2 /netbsd: ahc2: aic7899 Wide Channel B, SCSI Id=7, 16/255 SCBs
Sep  4 15:49:58 flow2 /netbsd: scsibus1 at ahc2: 16 targets, 8 luns per target
Sep  4 15:49:58 flow2 /netbsd: pchb3 at pci0 dev 0 function 3
Sep  4 15:49:58 flow2 /netbsd: pchb3: ServerWorks I/O Bridge (rev. 0x01)
Sep  4 15:49:58 flow2 /netbsd: pci3 at pchb3 bus 2
Sep  4 15:49:58 flow2 /netbsd: pci3: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
Sep  4 15:49:58 flow2 /netbsd: vga1 at pci0 dev 12 function 0: ATI Technologies Rage XL (rev. 0x27)
Sep  4 15:49:58 flow2 /netbsd: wsdisplay0 at vga1 kbdmux 1: console (80x25, vt100 emulation)
Sep  4 15:49:58 flow2 /netbsd: wsmux1: connecting to wsdisplay0
Sep  4 15:49:58 flow2 /netbsd: pchb4 at pci0 dev 15 function 0
Sep  4 15:49:58 flow2 /netbsd: pchb4: ServerWorks CSB5 SouthBridge (rev. 0x93)
Sep  4 15:49:58 flow2 /netbsd: pciide0 at pci0 dev 15 function 1: ServerWorks CSB5 IDE Controller (rev. 0x93)
Sep  4 15:49:58 flow2 /netbsd: pciide0: bus-master DMA support present
Sep  4 15:49:58 flow2 /netbsd: pciide0: primary channel configured to compatibility mode
Sep  4 15:49:58 flow2 /netbsd: atapibus0 at pciide0 channel 0: 2 targets
Sep  4 15:49:58 flow2 /netbsd: cd0 at atapibus0 drive 0: <TEAC CD-ROM CD-224E, , 3.7D> type 5 cdrom removable
Sep  4 15:49:58 flow2 /netbsd: cd0: 32-bit data port
Sep  4 15:49:58 flow2 /netbsd: cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
Sep  4 15:49:58 flow2 /netbsd: pciide0: primary channel interrupting at irq 14
Sep  4 15:49:58 flow2 /netbsd: cd0(pciide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33) (using DMA data transfers)
Sep  4 15:49:58 flow2 /netbsd: pciide0: secondary channel configured to compatibility mode
Sep  4 15:49:58 flow2 /netbsd: pciide0: secondary channel interrupting at irq 15
Sep  4 15:49:58 flow2 /netbsd: ohci0 at pci0 dev 15 function 2: ServerWorks OSB4/CSB5 USB (rev. 0x05)
Sep  4 15:49:58 flow2 /netbsd: ohci0: interrupting at irq 11
Sep  4 15:49:58 flow2 /netbsd: ohci0: OHCI version 1.0, legacy support
Sep  4 15:49:58 flow2 /netbsd: usb0 at ohci0: USB revision 1.0
Sep  4 15:49:58 flow2 /netbsd: uhub0 at usb0
Sep  4 15:49:58 flow2 /netbsd: uhub0: ServerWorks OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
Sep  4 15:49:58 flow2 /netbsd: uhub0: 4 ports with 4 removable, self powered
Sep  4 15:49:58 flow2 /netbsd: pcib0 at pci0 dev 15 function 3
Sep  4 15:49:58 flow2 /netbsd: pcib0: ServerWorks product 0x0225 (rev. 0x00)
Sep  4 15:49:58 flow2 /netbsd: isa0 at pcib0
Sep  4 15:49:58 flow2 /netbsd: com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
Sep  4 15:49:58 flow2 /netbsd: pckbc0 at isa0 port 0x60-0x64
Sep  4 15:49:58 flow2 /netbsd: pckbd0 at pckbc0 (kbd slot)
Sep  4 15:49:58 flow2 /netbsd: pckbc0: using irq 1 for kbd slot
Sep  4 15:49:58 flow2 /netbsd: wskbd0 at pckbd0: console keyboard, using wsdisplay0
Sep  4 15:49:58 flow2 /netbsd: pms0 at pckbc0 (aux slot)
Sep  4 15:49:58 flow2 /netbsd: pckbc0: using irq 12 for aux slot
Sep  4 15:49:58 flow2 /netbsd: wsmouse0 at pms0 mux 0
Sep  4 15:49:58 flow2 /netbsd: pcppi0 at isa0 port 0x61
Sep  4 15:49:58 flow2 /netbsd: midi0 at pcppi0: PC speaker
Sep  4 15:49:58 flow2 /netbsd: sysbeep0 at pcppi0
Sep  4 15:49:58 flow2 /netbsd: isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
Sep  4 15:49:58 flow2 /netbsd: npx0 at isa0 port 0xf0-0xff: using exception 16
Sep  4 15:49:58 flow2 /netbsd: fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
Sep  4 15:49:58 flow2 /netbsd: fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
Sep  4 15:49:58 flow2 /netbsd: isapnp0: no ISA Plug 'n Play devices found
Sep  4 15:49:58 flow2 /netbsd: biomask efcd netmask efed ttymask ffef
Sep  4 15:49:58 flow2 /netbsd: scsibus0: waiting 2 seconds for devices to settle...
Sep  4 15:49:58 flow2 /netbsd: sd0 at scsibus0 target 0 lun 0: <SEAGATE, ST336752LC, 2213> SCSI3 0/direct fixed
Sep  4 15:49:58 flow2 /netbsd: sd0: 34732 MB, 18496 cyl, 8 head, 480 sec, 512 bytes/sect x 71132959 sectors
Sep  4 15:49:58 flow2 /netbsd: sd0: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Sep  4 15:49:58 flow2 /netbsd: sd1 at scsibus0 target 1 lun 0: <SEAGATE, ST336752LC, 2213> SCSI3 0/direct fixed
Sep  4 15:49:58 flow2 /netbsd: sd1: 34732 MB, 18496 cyl, 8 head, 480 sec, 512 bytes/sect x 71132959 sectors
Sep  4 15:49:58 flow2 /netbsd: sd1: sync (25.0ns offset 63), 16-bit (80.000MB/s) transfers, tagged queueing
Sep  4 15:49:58 flow2 /netbsd: ses0 at scsibus0 target 6 lun 0: <PE/PV, 1x3 SCSI BP, 0.26> SCSI2 3/processor fixed
Sep  4 15:49:58 flow2 /netbsd: ses0: SAF-TE Compliant Device
Sep  4 15:49:58 flow2 /netbsd: ses0: async, 8-bit transfers
Sep  4 15:49:58 flow2 /netbsd: scsibus1: waiting 2 seconds for devices to settle...
Sep  4 15:49:58 flow2 /netbsd: Kernelized RAIDframe activated
Sep  4 15:49:58 flow2 /netbsd: boot device: sd0
Sep  4 15:49:58 flow2 /netbsd: root on sd0a dumps on sd0b
Sep  4 15:49:58 flow2 /netbsd: root file system type: ffs

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