http://www.freebsd.org/cgi/query-pr.cgi?pr=113856
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/113856

*** old/src/share/man/man4/lp.4	Tue Jan 26 23:43:37 1999
--- new/src/share/man/man4/lp.4	Tue Jan 26 23:52:16 1999
***************
*** 227,229 ****
--- 227,246 ----
  Polling timeouts are controlled by counting loop iterations rather than
  timers, and so are dependent on CPU speed.  This is somewhat stabilised
  by the need to perform (slow) ISA bus cycles to actually read the port.
+ .Sh BUGS seen by jhs@ & garyj@ with 3.1 (or was it 3.0)
+ jhs@
+ .in +2
+  park (Pentium/P54C 200MHz) crashes as gateway between ed2 & lp0,
+  feeding both {lapa (p5 133M) & lapt (33M 486)}
+ park bios settings:
+ EPP : crashes
+ ECP DMA 1 : running
+ ECP DMA 3 : crashes
+ SPP : crashes, Page Fault, /var/crash/kernel.5
+ ECP/EPP, ECP Mode uses DMA 3 : Silent hang
+ .in -2
+ gary
+ .in +2
+ lapa crashed garys new fast box, can't remembe what mode his parallel was in,
+ didnt seem to crash with the new ppbus/ppc0 (remove disable) current lp driver, only with old.
+ .in -2