I have a Pentium III system running 5.1 current with athn(4) hostap power saving patches or 5.2 current. It has the slightly unusual configuration of an ISA video card (X not used) and a 64 bit PCI NIC hacked to run in a 32 bit slot, but is otherwise a bog standard desktop. It's running flashrd due to using an IDE to compact flash adaptor.
5.1 release is entirely stable (it may have hung once, perhaps, in months of operation). Once I put on 5.2 current (from a few days ago) or 5.1 stable with the latest athn patches the system hangs hard, in around 20 minutes to an hour. No response from network, console or anything suspicious in the log if I leave a tail -f /var/log/messages running. I suspect the athn patches aren't the problem, but they're the whole reason I'm trying to patch the firewall. I can try other hardware on a temporary basis, but what's the best method of diagnosing failure/possible things to try? Yes, flashrd does run a custom kernel, but the differences aren't that major and 5.1 release is reliable. dmesg : OpenBSD 5.1-stable (FLASHRD) #0: Mon Sep 3 04:52:51 BST 2012 r...@fwbuilder.syllopsium.com:/usr/src/sys/arch/i386/compile/FLASHRD cpu0: Intel Pentium III ("GenuineIntel" 686-class, 512KB L2 cache) 502 MHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PSE36,MMX,FXSR,SSE real mem = 267907072 (255MB) avail mem = 250122240 (238MB) mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 04/23/99, BIOS32 rev. 0 @ 0xfb220, SMBIOS rev. 2.2 @ 0xf0800 (34 entries) bios0: vendor Award Software International, Inc. version "HW.27.04(QHW.04.00)" date 04/23/1999 bios0: Hewlett-Packard HP Vectra apm0 at bios0: Power Management spec V1.2 (slowidle) acpi at bios0 function 0x0 not configured pcibios0 at bios0: rev 2.1 @ 0xf0000/0xb6a0 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdf00/144 (7 entries) pcibios0: PCI Exclusive IRQs: 3 10 11 15 pcibios0: PCI Interrupt Router at 000:07:0 ("Intel 82371SB ISA" rev 0x00) pcibios0: PCI bus #2 is the last bus bios0: ROM list: 0xc0000/0x8000 cpu0 at mainbus0: (uniprocessor) pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Intel 82443BX AGP" rev 0x03 intelagp0 at pchb0 agp0 at intelagp0: aperture at 0xe0000000, size 0x4000000 ppb0 at pci0 dev 1 function 0 "Intel 82443BX AGP" rev 0x03 pci1 at ppb0 bus 1 clcs0 at pci0 dev 4 function 0 "Cirrus Logic CS4280/46xx CrystalClear" rev 0x01: irq 3 ac97: codec id 0x43525903 (Cirrus Logic CS4297 rev 3) ac97: codec features headphone, 18 bit DAC, 18 bit ADC, No 3D Stereo piixpcib0 at pci0 dev 7 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02 pciide0 at pci0 dev 7 function 1 "Intel 82371AB IDE" rev 0x01: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility wd0 at pciide0 channel 0 drive 0: <CF Card> wd0: 1-sector PIO, LBA, 961MB, 1969632 sectors wd0(pciide0:0:0): using PIO mode 4 pciide0: channel 1 ignored (disabled) uhci0 at pci0 dev 7 function 2 "Intel 82371AB USB" rev 0x01: irq 15 piixpm0 at pci0 dev 7 function 3 "Intel 82371AB Power" rev 0x02: polling iic0 at piixpm0 spdmem0 at iic0 addr 0x50: 128MB SDRAM non-parity PC100CL3 spdmem1 at iic0 addr 0x51: 128MB SDRAM non-parity PC133CL3 athn0 at pci0 dev 15 function 0 "Atheros AR5416" rev 0x01: irq 11 athn0: MAC AR5416 rev 2, RF AR2133 (3T2R), ROM rev 5, address b0:48:7a:ec:9f:34 ppb1 at pci0 dev 16 function 0 "DEC 21154 PCI-PCI" rev 0x02 pci2 at ppb1 bus 2 fxp0 at pci2 dev 4 function 0 "Intel 8255x" rev 0x05, i82558: irq 3, address 00:08:c7:91:b5:2a inphy0 at fxp0 phy 1: i82555 10/100 PHY, rev. 0 fxp1 at pci2 dev 5 function 0 "Intel 8255x" rev 0x05, i82558: irq 10, address 00:08:c7:91:b5:2b inphy1 at fxp1 phy 1: i82555 10/100 PHY, rev. 0 isa0 at piixpcib0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard vga0 at isa0 port 0x3b0/48 iomem 0xa0000/131072 wsdisplay0 at vga0 mux 1: console (80x25, vt100 emulation), using wskbd0 wsdisplay0: screen 1-5 added (80x25, vt100 emulation) cannot support dma lance devices pcppi0 at isa0 port 0x61 spkr0 at pcppi0 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 usb0 at uhci0: USB revision 1.0 uhub0 at usb0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 mtrr: Pentium Pro MTRR support vscsi0 at root scsibus0 at vscsi0: 256 targets softraid0 at root scsibus1 at softraid0: 256 targets root on rd0a swap on rd0b dump on rd0b clcs0: image download error WARNING: /flash was not properly unmounted Thanks for any help Peter