I'm having trouble with restore from SCSI tape with the June 6th i386 snapshot.
I have a few i386 boxes that dump ~200GB data to tape each night. I updated one to the June 6th i386 snapshot and dump continues to work. e.g.: sudo dump -a0 /dev/wd0a DUMP: Date of this level 0 dump: Tue Jun 8 18:20:46 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0a (/) to /dev/rst0 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 47179 tape blocks. DUMP: Volume 1 started at: Tue Jun 8 18:20:46 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 47800 tape blocks on 1 volume DUMP: Date of this level 0 dump: Tue Jun 8 18:20:46 2010 DUMP: Volume 1 completed at: Tue Jun 8 18:20:50 2010 DUMP: Volume 1 took 0:00:04 DUMP: Volume 1 transfer rate: 11950 KB/s DUMP: Date this dump completed: Tue Jun 8 18:20:50 2010 DUMP: Average transfer rate: 11950 KB/s DUMP: Closing /dev/rst0 DUMP: DUMP IS DONE but restore errors out immediately like this: restore -tvs1 Verify tape and initialize maps restore: tape read error: Input/output error No errors are logged anywhere other than by restore. If I swap the old disk back (a snapshot from July 2009) leaving everything else the same, restore from the same tape works fine. I think this warrants a pr, but I have no idea how to do that. Help please? dmesgs - old working system first, latest non-working snapshot second. OpenBSD 4.6-current (GENERIC) #72: Thu Jul 23 14:51:52 MDT 2009 dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC cpu0: Intel(R) Pentium(R) 4 CPU 2.60GHz ("GenuineIntel" 686-class) 2.60 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,CNXT-ID,xTPR real mem = 1071411200 (1021MB) avail mem = 1027190784 (979MB) mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 02/07/05, BIOS32 rev. 0 @ 0xf0010, SMBIOS rev. 2.3 @ 0xfbcb0 (72 entries) bios0: vendor Intel Corp. version "WP87510A.86B.0059.P18.0502071117" date 02/07/2005 bios0: Intel Corporation S875WP1 acpi0 at bios0: rev 0 acpi0: tables DSDT FACP APIC WDDT acpi0: wakeup devices TANA(S4) P0P3(S4) AC97(S4) USB0(S3) USB1(S3) USB2(S3) USB3(S3) USB7(S3) UAR1(S4) UAR2(S4) SLPB(S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: apic clock running at 199MHz cpu at mainbus0: not configured ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (P0P1) acpiprt2 at acpi0: bus 2 (P0P2) acpiprt3 at acpi0: bus 3 (P0P3) acpicpu0 at acpi0 acpipwrres0 at acpi0: URP1 acpipwrres1 at acpi0: URP2 acpipwrres2 at acpi0: FDDP acpipwrres3 at acpi0: LPTP acpibtn0 at acpi0: SLPB bios0: ROM list: 0xc0000/0x8000 pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Intel 82875P Host" rev 0x02 intelagp0 at pchb0 agp0 at intelagp0: aperture at 0xfa000000, size 0x2000000 ppb0 at pci0 dev 1 function 0 "Intel 82875P AGP" rev 0x02 pci1 at ppb0 bus 1 ppb1 at pci0 dev 3 function 0 "Intel 82875P CSA" rev 0x02 pci2 at ppb1 bus 2 em0 at pci2 dev 1 function 0 "Intel PRO/1000CT (82547EI)" rev 0x00: apic 2 int 18 (irq 10), address 00:0c:f1:ce:a5:d7 uhci0 at pci0 dev 29 function 0 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 16 (irq 5) uhci1 at pci0 dev 29 function 1 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 19 (irq 9) uhci2 at pci0 dev 29 function 2 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 18 (irq 10) uhci3 at pci0 dev 29 function 3 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 16 (irq 5) ehci0 at pci0 dev 29 function 7 "Intel 82801EB/ER USB2" rev 0x02: apic 2 int 23 (irq 9) usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb2 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xc2 pci3 at ppb2 bus 3 ahc0 at pci3 dev 0 function 0 "Adaptec AHA-29160 U160" rev 0x02: apic 2 int 21 (irq 10) scsibus0 at ahc0: 16 targets, initiator 7 st0 at scsibus0 targ 3 lun 0: <HP, Ultrium 2-SCSI, S63D> SCSI3 1/sequential removable vga1 at pci3 dev 6 function 0 "ATI Rage XL" rev 0x27 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) ichpcib0 at pci0 dev 31 function 0 "Intel 82801EB/ER LPC" rev 0x02 pciide0 at pci0 dev 31 function 1 "Intel 82801EB/ER IDE" rev 0x02: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility wd0 at pciide0 channel 0 drive 0: <ST340014A> wd0: 16-sector PIO, LBA48, 38166MB, 78165360 sectors wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5 pciide0: channel 1 disabled (no drives) pciide1 at pci0 dev 31 function 2 "Intel 82801EB SATA" rev 0x02: DMA, channel 0 configured to native-PCI, channel 1 configured to native-PCI pciide1: using apic 2 int 18 (irq 10) for native-PCI interrupt ichiic0 at pci0 dev 31 function 3 "Intel 82801EB/ER SMBus" rev 0x02: apic 2 int 17 (irq 11) iic0 at ichiic0 adt0 at iic0 addr 0x2e: lm85 rev 0x62 spdmem0 at iic0 addr 0x50: 512MB DDR SDRAM non-parity PC3200CL3.0 spdmem1 at iic0 addr 0x51: 512MB DDR SDRAM non-parity PC3200CL3.0 usb1 at uhci0: USB revision 1.0 uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb2 at uhci1: USB revision 1.0 uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci2: USB revision 1.0 uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb4 at uhci3: USB revision 1.0 uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1 isa0 at ichpcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 mtrr: Pentium Pro MTRR support softraid0 at root root on wd0a swap on wd0b dump on wd0b ahc0: target 3 using 16bit transfers ahc0: target 3 synchronous at 80.0MHz DT, offset = 0x40 OpenBSD 4.7-current (GENERIC.MP) #31: Sun Jun 6 18:11:59 MDT 2010 dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP cpu0: Intel(R) Pentium(R) 4 CPU 2.60GHz ("GenuineIntel" 686-class) 2.60 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,CNXT-ID,xTPR real mem = 1071411200 (1021MB) avail mem = 1027993600 (980MB) mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 02/07/05, BIOS32 rev. 0 @ 0xf0010, SMBIOS rev. 2.3 @ 0xfbcb0 (72 entries) bios0: vendor Intel Corp. version "WP87510A.86B.0059.P18.0502071117" date 02/07/2005 bios0: Intel Corporation S875WP1 acpi0 at bios0: rev 0 acpi0: tables DSDT FACP APIC WDDT acpi0: wakeup devices TANA(S4) P0P3(S4) AC97(S4) USB0(S3) USB1(S3) USB2(S3) USB3(S3) USB7(S3) UAR1(S4) UAR2(S4) SLPB(S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: apic clock running at 199MHz cpu1 at mainbus0: apid 1 (application processor) cpu1: Intel(R) Pentium(R) 4 CPU 2.60GHz ("GenuineIntel" 686-class) 2.60 GHz cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,CNXT-ID,xTPR ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (P0P1) acpiprt2 at acpi0: bus 2 (P0P2) acpiprt3 at acpi0: bus 3 (P0P3) acpicpu0 at acpi0 acpicpu1 at acpi0 acpipwrres0 at acpi0: URP1 acpipwrres1 at acpi0: URP2 acpipwrres2 at acpi0: FDDP acpipwrres3 at acpi0: LPTP acpibtn0 at acpi0: SLPB bios0: ROM list: 0xc0000/0x8000 pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Intel 82875P Host" rev 0x02 intelagp0 at pchb0 agp0 at intelagp0: aperture at 0xfa000000, size 0x2000000 ppb0 at pci0 dev 1 function 0 "Intel 82875P AGP" rev 0x02 pci1 at ppb0 bus 1 ppb1 at pci0 dev 3 function 0 "Intel 82875P CSA" rev 0x02 pci2 at ppb1 bus 2 em0 at pci2 dev 1 function 0 "Intel PRO/1000CT (82547EI)" rev 0x00: apic 2 int 18 (irq 10), address 00:0c:f1:ce:a5:d7 uhci0 at pci0 dev 29 function 0 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 16 (irq 5) uhci1 at pci0 dev 29 function 1 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 19 (irq 9) uhci2 at pci0 dev 29 function 2 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 18 (irq 10) uhci3 at pci0 dev 29 function 3 "Intel 82801EB/ER USB" rev 0x02: apic 2 int 16 (irq 5) ehci0 at pci0 dev 29 function 7 "Intel 82801EB/ER USB2" rev 0x02: apic 2 int 23 (irq 9) usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb2 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xc2 pci3 at ppb2 bus 3 ahc0 at pci3 dev 0 function 0 "Adaptec AHA-29160 U160" rev 0x02: apic 2 int 21 (irq 10) scsibus0 at ahc0: 16 targets, initiator 7 st0 at scsibus0 targ 3 lun 0: <HP, Ultrium 2-SCSI, S63D> SCSI3 1/sequential removable vga1 at pci3 dev 6 function 0 "ATI Rage XL" rev 0x27 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) ichpcib0 at pci0 dev 31 function 0 "Intel 82801EB/ER LPC" rev 0x02 pciide0 at pci0 dev 31 function 1 "Intel 82801EB/ER IDE" rev 0x02: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility pciide0: channel 0 disabled (no drives) pciide0: channel 1 disabled (no drives) pciide1 at pci0 dev 31 function 2 "Intel 82801EB SATA" rev 0x02: DMA, channel 0 configured to native-PCI, channel 1 configured to native-PCI pciide1: using apic 2 int 18 (irq 10) for native-PCI interrupt wd0 at pciide1 channel 0 drive 0: <HDS728080PLA380 40Y9028LEN> wd0: 16-sector PIO, LBA48, 76324MB, 156312576 sectors wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 6 wd1 at pciide1 channel 1 drive 0: <WDC WD10EAVS-00D7B1> wd1: 16-sector PIO, LBA48, 953869MB, 1953525168 sectors wd1(pciide1:1:0): using PIO mode 4, Ultra-DMA mode 6 ichiic0 at pci0 dev 31 function 3 "Intel 82801EB/ER SMBus" rev 0x02: apic 2 int 17 (irq 11) iic0 at ichiic0 adt0 at iic0 addr 0x2e: lm85 rev 0x62 spdmem0 at iic0 addr 0x50: 512MB DDR SDRAM non-parity PC3200CL3.0 spdmem1 at iic0 addr 0x51: 512MB DDR SDRAM non-parity PC3200CL3.0 usb1 at uhci0: USB revision 1.0 uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb2 at uhci1: USB revision 1.0 uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci2: USB revision 1.0 uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb4 at uhci3: USB revision 1.0 uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1 isa0 at ichpcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 mtrr: Pentium Pro MTRR support vscsi0 at root scsibus1 at vscsi0: 256 targets softraid0 at root root on wd0a swap on wd0b dump on wd0b ahc0: target 3 using 16bit transfers ahc0: target 3 synchronous at 80.0MHz DT, offset = 0x40