On Sun, 3 Dec 1995 01:07:10 -0800 
 gdonl@gv.ssi1.com (Don Lewis) wrote:

 > Even a 4K/1K filesystem isn't stable.  I ran into problems when trying
 > to build a new kernel.  In one case, "ld -r -o fpsp.o" failed due to an
 > I/O error.  Re-running make got past this OK, but I got frequent panics:
 > 
 > panic: ffs_valloc: dup alloc
 > panic: ifree: freeing free inode
 > panic: blkfree: freeing free block
 > 
 > All these problems were on the root filesystem and went away when I made
 > /tmp an mfs filesystem.  After I did this, I got another worrysome
 > sounding error message
 > 
 > swap_pager_clean: clean of page ff8f20000 failed
 > 
 > but the kernel build succeeded.

I can't help but wonder if your disk is bad or if the SCSI chain is flakey 
somehow.  The I/O error, filesystem problems, and swap problems could all 
be attributed to something like that.

I'm having a very difficult time reproducing these errors.  (I've been 
trying!  :-)

--------------------------------------------------------------------------
Jason R. Thorpe                                       thorpej@nas.nasa.gov
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