Under heavy load (restoring a tape or copying files, for example) i get the following messages from the kernel:
safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online full dmesg: OpenBSD 3.8 (GENERIC.MP) #298: Sat Sep 10 15:51:54 MDT 2005 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC.MP cpu0: Intel(R) Xeon(TM) CPU 3.20GHz ("GenuineIntel" 686-class) 3.20 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,CNXT-ID real mem = 1073065984 (1047916K) avail mem = 972488704 (949696K) using 4278 buffers containing 53755904 bytes (52496K) of memory mainbus0 (root) bios0 at mainbus0: AT/286+(00) BIOS, date 09/01/04, BIOS32 rev. 0 @ 0xffe90 pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfbbf0/288 (16 entries) pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82801EB/ER LPC" rev 0x00) pcibios0: PCI bus #6 is the last bus bios0: ROM list: 0xc0000/0xb000! 0xcb000/0x800 0xcb800/0x1400 0xec000/0x4000! mainbus0: Intel MP Specification (Version 1.4) (DELL PE 0183 ) cpu0 at mainbus0: apid 0 (boot processor) cpu0: apic clock running at 199 MHz cpu1 at mainbus0: apid 6 (application processor) cpu1: Intel(R) Xeon(TM) CPU 3.20GHz ("GenuineIntel" 686-class) 3.20 GHz cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,CNXT-ID mainbus0: bus 0 is type PCI mainbus0: bus 1 is type PCI mainbus0: bus 2 is type PCI mainbus0: bus 3 is type PCI mainbus0: bus 4 is type PCI mainbus0: bus 5 is type PCI mainbus0: bus 6 is type PCI mainbus0: bus 7 is type ISA ioapic0 at mainbus0: apid 8 pa 0xfec00000, version 20, 24 pins ioapic0: misconfigured as apic 0, remapped to apic 8 ioapic1 at mainbus0: apid 9 pa 0xfec80000, version 20, 24 pins ioapic1: misconfigured as apic 0, remapped to apic 9 ioapic2 at mainbus0: apid 10 pa 0xfec80800, version 20, 24 pins ioapic2: misconfigured as apic 0, remapped to apic 10 pci0 at mainbus0 bus 0: configuration mode 1 (no bios) pchb0 at pci0 dev 0 function 0 "Intel E7710 SMCH" rev 0x09 ppb0 at pci0 dev 2 function 0 "Intel E7710 MCH PCIE" rev 0x09 pci1 at ppb0 bus 1 ppb1 at pci1 dev 0 function 0 "Intel PCIE-PCIE" rev 0x09 pci2 at ppb1 bus 2 mpt0 at pci2 dev 4 function 0 "Symbios Logic 53c1030" rev 0x08: apic 9 int 10 (irq 5) mpt0: sending FW Upload request to IOC (size: 36, img size: 40048) mpt0: IM support: 0 scsibus0 at mpt0: 16 targets ami0 at pci2 dev 5 function 0 "Symbios Logic MegaRAID" rev 0x01: apic 9 int 5 (irq 11) Dell 520/64b/lhc ami0: FW 350O, BIOS v1.09, 64MB RAM ami0: 1 channels, 0 FC loops, 1 logical drives scsibus1 at ami0: 40 targets sd0 at scsibus1 targ 0 lun 0: <AMI, Host drive #00, > SCSI2 0/direct fixed sd0: 34680MB, 4421 cyl, 255 head, 63 sec, 512 bytes/sec, 71024640 sec total scsibus2 at ami0: 16 targets safte0 at scsibus2 targ 6 lun 0: <SDR, GEM318P, 1> SCSI2 3/processor fixed ahc1 at pci2 dev 6 function 0 "Adaptec AHA-3960D U160" rev 0x01: apic 9 int 0 (irq 11) scsibus3 at ahc1: 16 targets st0 at scsibus3 targ 6 lun 0: <SEAGATE, DAT DAT72-052, A060> SCSI3 1/sequential removable st0: drive empty or not ready ahc2 at pci2 dev 6 function 1 "Adaptec AHA-3960D U160" rev 0x01: apic 9 int 1 (irq 11) scsibus4 at ahc2: 16 targets vendor "Intel", unknown product 0x0326 (class system subclass interrupt, rev 0x09) at pci1 dev 0 function 1 not configured ppb2 at pci1 dev 0 function 2 "Intel PCIE-PCIE" rev 0x09 pci3 at ppb2 bus 3 em0 at pci3 dev 7 function 0 "Intel PRO/1000MT (82541GI)" rev 0x05: apic 10 int 5 (irq 11), address: 00:0f:1f:fa:74:2b vendor "Intel", unknown product 0x0327 (class system subclass interrupt, rev 0x09) at pci1 dev 0 function 3 not configured ppb3 at pci0 dev 4 function 0 "Intel E7710 MCH PCIE" rev 0x09 pci4 at ppb3 bus 4 ppb4 at pci0 dev 6 function 0 "Intel E7710 MCH PCIE" rev 0x09 pci5 at ppb4 bus 5 uhci0 at pci0 dev 29 function 0 "Intel 82801EB/ER USB" rev 0x02: apic 8 int 16 (irq 11) usb0 at uhci0: USB revision 1.0 uhub0 at usb0 uhub0: Intel UHCI root hub, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered uhci1 at pci0 dev 29 function 1 "Intel 82801EB/ER USB" rev 0x02: apic 8 int 19 (irq 10) usb1 at uhci1: USB revision 1.0 uhub1 at usb1 uhub1: Intel UHCI root hub, rev 1.00/1.00, addr 1 uhub1: 2 ports with 2 removable, self powered uhci2 at pci0 dev 29 function 2 "Intel 82801EB/ER USB" rev 0x02: apic 8 int 18 (irq 5) usb2 at uhci2: USB revision 1.0 uhub2 at usb2 uhub2: Intel UHCI root hub, rev 1.00/1.00, addr 1 uhub2: 2 ports with 2 removable, self powered ehci0 at pci0 dev 29 function 7 "Intel 82801EB/ER USB" rev 0x02: apic 8 int 23 (irq 3) usb3 at ehci0: USB revision 2.0 uhub3 at usb3 uhub3: Intel EHCI root hub, rev 2.00/1.00, addr 1 uhub3: 6 ports with 6 removable, self powered ppb5 at pci0 dev 30 function 0 "Intel 82801BA AGP" rev 0xc2 pci6 at ppb5 bus 6 vga1 at pci6 dev 5 function 0 "ATI Radeon VE QY" rev 0x00 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 atapiscsi0 at pciide0 channel 0 drive 0 scsibus5 at atapiscsi0: 2 targets cd0 at scsibus5 targ 0 lun 0: <HL-DT-ST, CD-ROM GCR-8483B, 1.05> SCSI0 5/cdrom removable cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 pciide0: channel 1 disabled (no drives) isa0 at ichpcib0 isadma0 at isa0 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 sysbeep0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 npx0 at isa0 port 0xf0/16: using exception 16 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 biomask 0 netmask 0 ttymask 0 pctr: user-level cycle counter enabled dkcsum: sd0 matches BIOS drive 0x80 root on sd0a rootdev=0x400 rrootdev=0xd00 rawdev=0xd02 WARNING: / was not properly unmounted ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 st0(ahc1:6:0): Check Condition (error 0x70) on opcode 0x0 SENSE KEY: Not Ready ASC/ASCQ: Logical Unit Is in Process Of Becoming Ready ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 st0(ahc1:6:0): Check Condition (error 0x70) on opcode 0x0 SENSE KEY: Not Ready ASC/ASCQ: Logical Unit Is in Process Of Becoming Ready ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 st0(ahc1:6:0): Check Condition (error 0x70) on opcode 0x1b SENSE KEY: Not Ready ASC/ASCQ: Medium Not Present ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big st0: 10240-byte record too big ahc1: target 6 using 16bit transfers ahc1: target 6 synchronous at 40.0MHz, offset = 0x20 safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online safte0: error getting enclosure status safte0: enclosure back online