Re: pptpclient & CURRENT

On Tue, Nov 15, 2005 at 10:20:28AM -0500, Andrew R. Reiter wrote:
A> 
A> Anyone successfully using pptpclient in CURRENT?
A> 
A> Running CURRENT and ran 'pptpclient x.x.x.x LABEL' to setup my VPN 
A> connection.  On a CURRENT from Nov 8th, that rebooted my machine, but with 
A> CURRENT, after an ifconfig or two (just viewing ifconfig output), i got:
A> 
A> Unread portion of the kernel message buffer:
A> Memory modified after free 0xc3555aa0(28) val=0 _at_ 0xc3555aa0
A> panic: Most recently used by in6_multi

Looks like IPv6 is the problematic module.

A> 9  0xc06983ff in panic (fmt=0xc090504a "Most recently used by %s\n")
A>     at /usr/src/sys/kern/kern_shutdown.c:539
A> #10 0xc07eaebd in mtrash_ctor (mem=0xc3555aa0, size=-1056755712, arg=0x0,
A> ---Type <return> to continue, or q <return> to quit---
A>     flags=2) at /usr/src/sys/vm/uma_dbg.c:137
A> #11 0xc07e908b in uma_zalloc_arg (zone=0xc1061d20, udata=0x0, flags=2)
A>     at /usr/src/sys/vm/uma_core.c:1850
A> #12 0xc068e6e2 in malloc (size=32, mtp=0xc0973280, flags=2) at uma.h:275
A> #13 0xc06be2da in ioctl (td=0xc38f7c00, uap=0xde8ebd04)
A>     at /usr/src/sys/kern/sys_generic.c:580
A> #14 0xc086fffa in syscall (frame=
A>       {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = -1077943076, tf_esi = 
A> 134544752, tf_ebp = -1077943000, tf_isp = -561070748, tf_ebx = 
A> -1077943072, tf_edx = -1077943136, tf_ecx = -1077943104, tf_eax = 54, 
A> tf_trapno = 12, tf_err = 2, tf_eip = 672362955, tf_cs = 51, tf_eflags = 
A> 642, tf_esp = -1077943284, tf_ss = 59})
A>     at /usr/src/sys/i386/i386/trap.c:1003
A> #15 0xc085c6cf in Xint0x80_syscall () at 
A> /usr/src/sys/i386/i386/exception.s:200
A> #16 0x00000033 in ?? ()
A> Previous frame inner to this frame (corrupt stack?)
A> 
A> 
A> The syscall(), from what I remember in my DDB session was being called by 
A> ifconfig.
A> 
A> With INET6 disabled, no panic(), but wasn't having much luck with 
A> pptpclient.  I'll leave that issue out for now though since it seems 
A> there's something wrong.

You can use ports/net/mpd to establish PPTP links.

-- 
Totus tuus, Glebius.
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