On Sat, May 03, 2008 at 12:04:53PM +0200, Ivo van der Sangen wrote:
quoted text
> Hello,
> 
> After upgrading my Thinkpad t42 to 4.3-stable I noticed that while I was logged
> in through XDM and I run "shutdown -hp now" the screen turns black and the
> system doesn't halt properly. After rebooting the root filesystem has to be
> checked for errors, so this clearly is a bad halt.
> 
> OpenBSD 4.3 (CUSTOM) #0: Fri May  2 23:37:56 CEST 2008
>     root@arrakis:/usr/src/sys/arch/i386/compile/CUSTOM
> cpu0: Intel(R) Pentium(R) M processor 1.70GHz ("GenuineIntel" 686-class) 1.70
> GHz
> cpu0:
> FPU,V86,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,
> SS,TM,SBF,EST,TM2
> real mem  = 804220928 (766MB)
> avail mem = 769052672 (733MB)
> mainbus0 at root
> bios0 at mainbus0: AT/286+ BIOS, date 07/27/05, BIOS32 rev. 0 @ 0xfd750, SMBIOS
> rev. 2.33 @ 0xe0
> 010 (61 entries)
> bios0: vendor IBM version "1RETDLWW (3.17 )" date 07/27/2005
> bios0: IBM 23733YG

Try updating the bios