Dear group, I include the latest dmesg output as well:
-------------- OpenBSD 5.2-stable (GENERIC) #1: Fri Mar 22 01:20:24 EET 2013 root@[domain]:/usr/src/sys/arch/i386/compile/GENERIC cpu0: VIA Esther processor 1000MHz ("CentaurHauls" 686-class) 1 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,APIC,SEP,MTRR,PGE,CMOV,PAT,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,SBF,SSE3,EST real mem = 1005056000 (958MB) avail mem = 977776640 (932MB) mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 07/26/07, BIOS32 rev. 0 @ 0xf9590, SMBIOS rev. 2.3 @ 0xf0800 (29 entries) bios0: vendor Phoenix Technologies, LTD version "6.00 PG" date 07/26/2007 bios0: VIA Technologies, Inc. CX700 apm0 at bios0: Power Management spec V1.2 (slowidle) acpi at bios0 function 0x0 not configured pcibios0 at bios0: rev 3.0 @ 0xf0000/0xca54 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfc940/272 (15 entries) pcibios0: bad IRQ table checksum pcibios0: PCI BIOS has 15 Interrupt Routing table entries pcibios0: PCI Exclusive IRQs: 3 5 10 11 pcibios0: no compatible PCI ICU found pcibios0: Warning, unable to fix up PCI interrupt routing pcibios0: PCI bus #2 is the last bus bios0: ROM list: 0xc0000/0x10000 0xd0000/0x8000! 0xd8000/0x2000 cpu0 at mainbus0: (uniprocessor) cpu0: RNG AES AES-CTR SHA1 SHA256 RSA cpu0: unknown Enhanced SpeedStep CPU, msr 0x08100a1308000a13 cpu0: using only highest and lowest power states cpu0: Enhanced SpeedStep 1000 MHz: speeds: 1000, 800 MHz pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "VIA CX700 Host" rev 0x10 viaagp0 at pchb0: v3 agp0 at viaagp0: aperture at 0xd0000000, size 0x10000000 pchb1 at pci0 dev 0 function 1 "VIA CX700 Host" rev 0x00 pchb2 at pci0 dev 0 function 2 "VIA CX700 Host" rev 0x00 pchb3 at pci0 dev 0 function 3 "VIA CX700 Host" rev 0x00 pchb4 at pci0 dev 0 function 4 "VIA CX700 Host" rev 0x00 pchb5 at pci0 dev 0 function 7 "VIA CX700 Host" rev 0x00 ppb0 at pci0 dev 1 function 0 "VIA VT8377 AGP" rev 0x00 pci1 at ppb0 bus 1 vga1 at pci1 dev 0 function 0 "VIA S3 UniChrome Pro II IGP" rev 0x03 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pciide0 at pci0 dev 15 function 0 "VIA CX700 IDE" rev 0x00: ATA133, channel 0 configured to compatibility, channel 1 configured to compatibility pciide0: channel 0 disabled (no drives) wd0 at pciide0 channel 1 drive 0: <SAMSUNG HM160HC> wd0: 16-sector PIO, LBA48, 152627MB, 312581808 sectors wd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 5 uhci0 at pci0 dev 16 function 0 "VIA VT83C572 USB" rev 0x90: irq 3 uhci1 at pci0 dev 16 function 1 "VIA VT83C572 USB" rev 0x90: irq 10 uhci2 at pci0 dev 16 function 2 "VIA VT83C572 USB" rev 0x90: irq 11 ehci0 at pci0 dev 16 function 4 "VIA VT6202 USB" rev 0x90: irq 5 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "VIA EHCI root hub" rev 2.00/1.00 addr 1 viapm0 at pci0 dev 17 function 0 "VIA CX700 ISA" rev 0x00: SMI iic0 at viapm0 spdmem0 at iic0 addr 0x50: 1GB DDR2 SDRAM non-parity PC2-4200CL5 SO-DIMM viapm0: 24-bit timer at 3579545Hz pchb6 at pci0 dev 17 function 7 "VIA VX700 Host" rev 0x00 pchb7 at pci0 dev 19 function 0 "VIA CX700 Host" rev 0x00 ppb1 at pci0 dev 19 function 1 "VIA CX700 PCI-PCI" rev 0x00 pci2 at ppb1 bus 2 vr0 at pci2 dev 6 function 0 "VIA VT6105 RhineIII" rev 0x8b: irq 11, address 00:40:63:f5:c2:4d ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 9: OUI 0x004063, model 0x0034 usb1 at uhci0: USB revision 1.0 uhub1 at usb1 "VIA UHCI root hub" rev 1.00/1.00 addr 1 usb2 at uhci1: USB revision 1.0 uhub2 at usb2 "VIA UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci2: USB revision 1.0 uhub3 at usb3 "VIA UHCI root hub" rev 1.00/1.00 addr 1 isa0 at mainbus0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: 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 spkr0 at pcppi0 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 mtrr: Pentium Pro MTRR support vscsi0 at root scsibus0 at vscsi0: 256 targets softraid0 at root scsibus1 at softraid0: 256 targets root on wd0a (886836a915bddc54.a) swap on wd0b dump on wd0b WARNING: / was not properly unmounted - this was installed some time ago and since then nothing (on the installation side) has changed. - is a low traffic box with few users only, who access the mail service just by using a web browser. - the only direct access is performed for creating a tar file for backup purposes. in the beginning I suspected a HD failure but that seems not be the case! So I was wondering while out of the sudden this behavior did occur. Thanks for your help Peter 12.10.2014, 18:52, "ferto ferto" <fert...@yandex.com>: > Dear group, > > I have a small box ( GENERIC i386 5.2) which acts as a mail server and it was > running fine since quite some time now. Since few days, the machine gets > unresponsive and a cold restart is needed. The console doesn't display any > error message, except, when I was running a gtar command, following messages > appeared on the screen: > > uvm_fault(0xd932704,0x0,0,3) ->e > kernel: page fault trap, code=0 > stopped at mi_switch+0x6d:movl %edx,0xffffffec(%ebp) > ddb> > > please notice that the the screen freezes and the keyboard becomes > unresponsive. A cold restart is needed. > > Thank you for your help.