Date: Tue, 4 Nov 1997 16:50:38 -1000 (HST) From: "David Langford" <langfod@dihelix.com> To: questions@freebsd.org Subject: What can I make of this SCSI error(s) Message-ID: <199711050259.QAA09055@caliban.dihelix.com>
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Busy machine runs days no problem. Recently when trying to backup the files systems the machine hangs/locks up. I had been trying to use compressed tar to the tape. It manages to do various amounts of data (at least several Gigs) and sometimes even completes without a hitch. However when it hangs it really hangs. Requires power cycling. If I just reset the box then it requires going into the BIOS and resetting the PCI/PnP settings. Here is the errors the preceeded that last meltdown followed by the dmesg output for this box. Thanks for any thoughts, -David Langford langfod@dihelix.com /kernel: st0(ahc0:5:0): SCB 0x2 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0 /kernel: SEQADDR = 0x9 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0xa /kernel: st0(ahc0:5:0): Queueing an Abort SCB /kernel: st0(ahc0:5:0): Abort Message Sent /kernel: st0(ahc0:5:0): SCB 2 - Abort Completed. /kernel: st0(ahc0:5:0): no longer in timeout /kernel: st0(ahc0:5:0): SCB 0x2 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0 /kernel: SEQADDR = 0x4 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0xa /kernel: st0(ahc0:5:0): SCB 2: Immediate reset. Flags = 0x1 /kernel: ahc0: Issued Channel A Bus Reset. 6 SCBs aborted /kernel: Clearing bus reset /kernel: Clearing 'in-reset' flag /kernel: st0(ahc0:5:0): no longer in timeout /kernel: st0(ahc0:5:0): SCB 0x5 - timed out in message out phase, SCSISIGI == 0xb4 /kernel: SEQADDR = 0xa1 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0x2 /kernel: st0(ahc0:5:0): abort message in message buffer /kernel: st0(ahc0:5:0): SCB 0x5 - timed out in message out phase, SCSISIGI == 0xb4 /kernel: SEQADDR = 0xa1 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0x2 /kernel: ahc0: Issued Channel A Bus Reset. 6 SCBs aborted /kernel: Clearing bus reset /kernel: Clearing 'in-reset' flag /kernel: st0(ahc0:5:0): no longer in timeout /kernel: st0(ahc0:5:0): SCB 0x2 - timed out in message out phase, SCSISIGI == 0xb4 /kernel: SEQADDR = 0xa1 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0x2 /kernel: ch0(ahc0:5:1): abort message in message buffer /kernel: ch0(ahc0:5:1): SCB 0x5 - timed out in message out phase, SCSISIGI == 0xb4 /kernel: SEQADDR = 0xa1 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0x2 /kernel: ahc0: Issued Channel A Bus Reset. 6 SCBs aborted /kernel: Clearing bus reset /kernel: Clearing 'in-reset' flag /kernel: ch0(ahc0:5:1): no longer in timeout /kernel: ch0(ahc0:5:1): SCB 0x2 - timed out in command phase, SCSISIGI == 0x84 /kernel: SEQADDR = 0x49 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x2 /kernel: ch0(ahc0:5:1): abort message in message buffer /kernel: ch0(ahc0:5:1): SCB 0x2 - timed out in command phase, SCSISIGI == 0x94 /kernel: SEQADDR = 0x49 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x2 /kernel: ahc0: Issued Channel A Bus Reset. 6 SCBs aborted /kernel: Clearing bus reset /kernel: Clearing 'in-reset' flag /kernel: ch0(ahc0:5:1): no longer in timeout /kernel: sd0(ahc0:0:0): UNIT ATTENTION asc:29,2 field replaceable unit: 2 /kernel: , FAILURE FreeBSD 2.2-STABLE #0: Wed Jul 2 13:02:29 HST 1997 CPU: Pentium Pro (199.41-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x619 Stepping=9 Features=0xfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,<b11>,MTRR,PGE,MCA,CMOV> real memory = 268435456 (262144K bytes) avail memory = 261017600 (254900K bytes) Probing for devices on PCI bus 0: chip0 <Intel 82440FX (Natoma) PCI and memory controller> rev 2 on pci0:0 chip1 <Intel 82371SB PCI-ISA bridge> rev 1 on pci0:7:0 chip2 <Intel 82371SB IDE interface> rev 0 on pci0:7:1 chip3 <DEC 21050 PCI-PCI bridge> rev 1 on pci0:11 vga0 <VGA-compatible display device> rev 0 int a irq 15 on pci0:12 chip4 <generic PCI bridge (vendor=1011 device=0024 subclass=4)> rev 1 on pci0:13 chip5 <generic PCI bridge (vendor=1011 device=0024 subclass=4)> rev 1 on pci0:14 Probing for devices on PCI bus 1: ahc0 <Adaptec 3940 Ultra SCSI host adapter> rev 0 int a irq 11 on pci1:4 ahc0: aic7880 Wide Channel A, SCSI Id=7, 16 SCBs ahc0: target 0 Tagged Queuing Device (ahc0:0:0): "SEAGATE ST32171W 0338" type 0 fixed SCSI 2 sd0(ahc0:0:0): Direct-Access 2061MB (4222640 512 byte sectors) sd0(ahc0:0:0): with 5168 cyls, 5 heads, and an average 163 sectors/track (ahc0:5:0): "ARCHIVE Python 28849-XXX 4.BT" type 1 removable SCSI 2 st0(ahc0:5:0): Sequential-Access density code 0x0, variable blocks, write-enabled (ahc0:5:1): "ARCHIVE Python 28849-XXX 4.BT" type 8 removable SCSI 2 ch0(ahc0:5:1): Medium-Changer 4 slots, 1 drive, 1 picker probe0(ahc0:9:0): scsi_cmd probe0(ahc0:9:0): scsi_done (ahc0:9:0): command: 0,0,0,0,0,0-[0 bytes] probe0(ahc0:9:0): scsi_cmd probe0(ahc0:9:0): scsi_done (ahc0:9:0): command: 12,0,0,0,2c,0-[44 bytes] ------------------------------ 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 016: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 032: 00 00 00 00 00 00 00 00 00 00 00 00 ------------------------------ ahc1 <Adaptec 3940 Ultra SCSI host adapter> rev 0 int a irq 10 on pci1:5 ahc1: aic7880 Wide Channel B, SCSI Id=7, 16 SCBs ahc1: target 0 Tagged Queuing Device (ahc1:0:0): "SEAGATE ST34371W 0484" type 0 fixed SCSI 2 sd1(ahc1:0:0): Direct-Access 4148MB (8496884 512 byte sectors) sd1(ahc1:0:0): with 5172 cyls, 10 heads, and an average 164 sectors/track probe0(ahc1:9:0): scsi_cmd probe0(ahc1:9:0): scsi_done (ahc1:9:0): command: 0,0,0,0,0,0-[0 bytes] probe0(ahc1:9:0): scsi_cmd probe0(ahc1:9:0): scsi_done (ahc1:9:0): command: 12,0,0,0,2c,0-[44 bytes] ------------------------------ 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 016: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 032: 00 00 00 00 00 00 00 00 00 00 00 00 ------------------------------ Probing for devices on PCI bus 2: ahc2 <Adaptec 3940 Ultra SCSI host adapter> rev 0 int a irq 10 on pci2:4 ahc2: aic7880 Wide Channel A, SCSI Id=7, 16 SCBs ahc2: target 0 Tagged Queuing Device (ahc2:0:0): "SEAGATE ST34371W 0484" type 0 fixed SCSI 2 sd2(ahc2:0:0): Direct-Access 4148MB (8496884 512 byte sectors) sd2(ahc2:0:0): with 5172 cyls, 10 heads, and an average 164 sectors/track probe0(ahc2:9:0): scsi_cmd probe0(ahc2:9:0): scsi_done (ahc2:9:0): command: 0,0,0,0,0,0-[0 bytes] probe0(ahc2:9:0): scsi_cmd probe0(ahc2:9:0): scsi_done (ahc2:9:0): command: 12,0,0,0,2c,0-[44 bytes] ------------------------------ 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 016: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 032: 00 00 00 00 00 00 00 00 00 00 00 00 ------------------------------ ahc3 <Adaptec 3940 Ultra SCSI host adapter> rev 0 int a irq 15 on pci2:5 ahc3: aic7880 Wide Channel B, SCSI Id=7, 16 SCBs ahc3: target 0 Tagged Queuing Device (ahc3:0:0): "SEAGATE ST34371W 0484" type 0 fixed SCSI 2 sd3(ahc3:0:0): Direct-Access 4148MB (8496884 512 byte sectors) sd3(ahc3:0:0): with 5172 cyls, 10 heads, and an average 164 sectors/track probe0(ahc3:9:0): scsi_cmd probe0(ahc3:9:0): scsi_done (ahc3:9:0): command: 0,0,0,0,0,0-[0 bytes] probe0(ahc3:9:0): scsi_cmd probe0(ahc3:9:0): scsi_done (ahc3:9:0): command: 12,0,0,0,2c,0-[44 bytes] ------------------------------ 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 016: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 032: 00 00 00 00 00 00 00 00 00 00 00 00 ------------------------------ Probing for devices on PCI bus 3: de0 <Digital 21040 Ethernet> rev 35 int a irq 9 on pci3:4 de0: ZNYX ZX314 21040 [10Mb/s] pass 2.3 de0: address 00:c0:95:f0:0e:ac de0: enabling 10baseT port de1 <Digital 21040 Ethernet> rev 35 int a irq 11 on pci3:5 de1: (null)21040 [10Mb/s] pass 2.3 de1: address 00:c0:95:f0:0e:ad de1: enabling 10baseT port de2 <Digital 21040 Ethernet> rev 35 int a irq 10 on pci3:6 de2: (null)21040 [10Mb/s] pass 2.3 de2: address 00:c0:95:f0:0e:ae de2: enabling 10baseT port de3 <Digital 21040 Ethernet> rev 35 int a irq 15 on pci3:7 de3: (null)21040 [10Mb/s] pass 2.3 de3: address 00:c0:95:f0:0e:af de3: enabling 10baseT port Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <10 virtual consoles, flags=0x0> lpt0 not found at 0xffffffff psm0 not found at 0x60 sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 72065B fd0: 1.44MB 3.5in npx0 on motherboard npx0: INT 16 interface ccd0-1: Concatenated disk drivers
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