freebsd stable - Feb 2004 - ipx totally broken in 4.9-RELEASE-p2?

things were working fine util cvsupping to 4.9-RELEASE-p2. any operation, linked
with ipx, results in kernel panic.
here attached gdb trace after i've executed `ncplist s'.

-- 
WBFH: -error

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> From: "sergey akifiev" <sergey@road.omskelecom.ru>
> To: <freebsd-stable@freebsd.org>
> Sent: Monday, February 16, 2004 2:16 PM
> Subject: ipx totally broken in 4.9-RELEASE-p2?
> things were working fine util cvsupping to 4.9-RELEASE-p2. any operation,
> linked with ipx, results in kernel panic.
> here attached gdb trace after i've executed `ncplist s'.
Works here (running mars_nwe, no NWFS and NCP):
> bridge1# uname -a
> FreeBSD bridge1.binep.ac.ru 4.9-STABLE FreeBSD 4.9-STABLE #147: Wed Feb  4
18:29:06 MSK 2004
> goshik@bridge1.binep.ac.ru:/usr/obj/usr/src/sys/GO  i386
> 
and here (if_fe and nwfs (and thus ncp) loaded via loader.conf):
> nwe# uname -a
> FreeBSD nwe.binep.ac.ru 4.9-STABLE FreeBSD 4.9-STABLE #30: Thu Feb 12
10:12:34 MSK 2004
> goshik@nwe.binep.ac.ru:/usr/obj/usr/src/sys/NWE  i386
> nwe# ncplist s go
> Visible servers (from GO):
> Name                                            Network    Node       Port
> ----------------------------------------------- -------- ------------ ----
> GO                                              AAAA0000:000000000001:0451
> BOLTNEV                                         BBBB0000:00045A6503E1:0451
> OFFICE                                          BBBB0000:0020ED2B0CBA:0451
> POPOV                                           BBBB0000:004095D0611F:0451
> 
> nwe# ncplist q boltnev
> 
> Server: BOLTNEV
> Print queue name                                    Queue ID
> ------------------------------------------------------------
> CANON                                               00E80100
> nwe#
Guess: optimizations in CFLAGS?

Igor
> -- 
> WBFH: -error
>