> 
> > 
> > I have one *small* problem.  It seems that the access to my scsi disk
> > is *very* flaky.  When I try to rebuild a kernel, it dies at random intervals,
> > and the way it dies, leads me to believe that sometimes the driver is getting
> > junk from the disk.
> > 
> > Has anyone ever seen something like this?
> > 
> > Machine:
> > 
> > 486dx2/66  -- AMI BIOS (Does this help?)
> > ATI MACH32 -- 2MB
> > 1542C      -- SCSI BIOS disabled
> > Fujitsu 1033MB hard disk
> > Toshiba CD-ROM drive
> > Soundblaster 16
> > SMC Ethernet
> > 
> 
> 	I have probbly the same problem. From time to time I get
> messages like the following:
> 
> sd0: not queued
> sd0: not queuedswap_pager_clean: clean of page 1005000 failed
> aha0: DMA beyond end of ISA
> sd0: not queuedswap_pager_clean: clean of page 1009000 failed
> aha0: DMA beyond end of ISA
> 
> swap_pager_clean: clean of page 1037000 failed
> 	
> 	And from time to time (about once every two days), hangs.
> The machine says when booting:
> 
> CPU: i486DX (GenuineIntel 486-class CPU)
> /netbsd: real mem  = 16646144 avail mem = 14540800
                       ^^^^^^^^
> using 228 buffers containing 933888 bytes of memory
> [...]
Seems to me that your bios is configured whith memory remapping allowed
Here is what our dx2/66 says at boot:
CPU: i486DX (486-class CPU)
real mem  = 16384000
            ^^^^^^^^
avail mem = 14086144
using 225 buffers containing 921600 bytes of memory

-- 
--
Manuel Bouyer, Ecole Nationale Superieure de Techniques Avancees, Paris
email: bouyer@ensta.fr
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