It sure looks like you have a pile of your own changes which are highly unconventional, and you are very far away from a stock OpenBSD configuration.
Having made those decisions, you are responsible for your own issues. Sorry. > Hi Stuart, > > thanks for having a look at this. > > > > Is it the same or different hardware type and BIOS version for the > > working and hanging machines? (maybe diff the two dmesgs) > > > > Same or different filesystem mount options? (Are you using softdep?) > > it's (nearly) the same hardware. > > But thanks to your hint of diffing the dmesg outputs I found a small > difference : > > > * server1: > > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xec200 (78 entries) > bios0: vendor American Megatrends Inc. version "4.6.5" date 03/02/2015 > bios0: INTEL Corporation DENLOW_WS > > * server2: > > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xec200 (77 entries) > bios0: vendor American Megatrends Inc. version "4.6.5" date 03/02/2015 > bios0: INTEL Corporation DENLOW_WS > > > * server2 has an additional entry, I do not see on server1 > > acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000 > > > * server2 also seems to have a slightly different memory setup : > > spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 > > * whereas server1 has : > > spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-12800 > spdmem1 at iic0 addr 0x52: 4GB DDR3 SDRAM PC3-12800 > > > > On the filesystem I can't see any differences : > > * server1: > $ > mount > > > /dev/sd0d on / type ffs (local, noatime, nodev, > read-only) > mfs:14405 on /tmp type mfs (asynchronous, local, noatime, nodev, nosuid, > size=65536 512-blocks) > mfs:35803 on /dev type mfs (asynchronous, local, noatime, noexec, > size=12288 512-blocks) > mfs:30894 on /etc type mfs (asynchronous, local, noatime, nodev, nosuid, > size=65536 512-blocks) > mfs:75826 on /var type mfs (asynchronous, local, noatime, nodev, noexec, > size=131072 512-blocks) > mfs:23894 on /usr/lib type mfs (asynchronous, local, noatime, nodev, > nosuid, size=262144 512-blocks) > mfs:21714 on /usr/libexec type mfs (asynchronous, local, noatime, nodev, > size=262144 512-blocks) > $ cat > /etc/fstab > > > dd6727251088320b.a /mbr ffs rw,noatime,nodev,noexec,noauto 1 > 2 > dd6727251088320b.d / ffs ro,noatime,nodev 1 > 1 > dd6727251088320b.f /cfg ffs rw,noatime,nodev,noexec,noauto 1 > 2 > dd6727251088320b.i /efi msdos rw,noatime,nodev,noexec,noauto 0 > 0 > swap /tmp mfs rw,async,noatime,nodev,nosuid,-s32M 0 > 0 > $ > > > > > * server2: > > $ mount > /dev/sd0e on / type ffs (local, noatime, nodev, read-only) > mfs:19530 on /tmp type mfs (asynchronous, local, noatime, nodev, nosuid, > size=65536 512-blocks) > mfs:65784 on /dev type mfs (asynchronous, local, noatime, noexec, > size=12288 512-blocks) > mfs:41465 on /etc type mfs (asynchronous, local, noatime, nodev, nosuid, > size=65536 512-blocks) > mfs:86708 on /var type mfs (asynchronous, local, noatime, nodev, noexec, > size=262144 512-blocks) > mfs:90223 on /usr/lib type mfs (asynchronous, local, noatime, nodev, > nosuid, size=262144 512-blocks) > mfs:22430 on /usr/libexec type mfs (asynchronous, local, noatime, nodev, > size=262144 512-blocks) > $ cat > /etc/fstab > > > 9f97b8d42ceedbf4.a /mbr ffs rw,noatime,nodev,noexec,noauto 1 > 2 > 9f97b8d42ceedbf4.e / ffs ro,noatime,nodev 1 1 > 9f97b8d42ceedbf4.f /cfg ffs rw,noatime,nodev,noexec,noauto 1 > 2 > 9f97b8d42ceedbf4.i /efi msdos rw,noatime,nodev,noexec,noauto 0 > 0 > swap /tmp mfs rw,async,noatime,nodev,nosuid,-s32M 0 0 > $ > > > > For the other suggestions, let me run the system with " > > sysctl ddb.console=1" and wait until the problem will occur to answer your > questions as soon I have the additional information. > > > Cheers, > Marco > >
