kern/84686: kernel panic with if_ppp

Vladimir bobahu4 at
Tue Aug 9 00:00:34 GMT 2005

>Number:         84686
>Category:       kern
>Synopsis:       kernel panic with if_ppp
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Aug 09 00:00:32 GMT 2005
>Originator:     Vladimir
>Release:        6.0 beta1
cann't say, now in linux. GENERIC kernel. no some recompilation
It's kernel panic, when i use ppp connection
from kdb i know it:
NIC: _mtx_lock_sleep:recursed on non-recursed mutex ppp_softc_list_mtx @ /usr/src/sys/net/if_ppp.c:168

KDB enter:panic
[threaded pid 35 tid 100017]

stopped at

i use umodem.ko and ucom.ko for my usb modem(motorolla c350)
pppd is 2.6.13.
it's emergent, when i use my connection, via pppd call some_peer

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