921kbps ppp line - problems

Wojciech Puchar wojtek at tensor.3miasto.net
Sat Nov 19 20:46:10 GMT 2005

here is my config

  set log Phase Chat LCP IPCP CCP tun command
  disable dns

  set device /dev/cuad4
  set speed 921600
  add default HISADDR
  disable deflate pred1 deflate24

FreeBSD 6.0 on this side, puc/sio compatible interface (TITAN-800H PCI, 
8 port interface), NetBSD-current on other side. connection generally 
works but

Nov 19 21:42:31 chylonia ppp[1144]: tun0: Phase: deflink: HDLC errors -> 
FCS: 50, ADDR: 0, COMD: 0, PROTO: 0

and actually there are detectable packet loss and big slowdown on 

there is NO silo overflow errors in kernel!

what i missed?

to be clear - i have NetBSD here before and connection worked fine, so 
line/modem is OK.

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