Re: [GIT]: Networking

Ingo Molnar
2009-06-16T09:48:31Z

* Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> On Tue, 16 Jun 2009 02:19:55 -0700 (PDT)
> David Miller <davem@davemloft.net> wrote:
>
> > From: Ingo Molnar <mingo@elte.hu>
> > Date: Tue, 16 Jun 2009 11:15:38 +0200
> >
> > > [<ffffffff810489e6>] __might_sleep+0xf6/0x120
> > > [<ffffffff81b3921d>] lock_sock_nested+0x3d/0x120
> > > [<ffffffff81c1a7d2>] x25_destroy_socket+0x22/0x180
> > > [<ffffffff81c1aa4e>] x25_destroy_timer+0xe/0x10
> > > [<ffffffff81060619>] run_timer_softirq+0x1d9/0x2e0
> > > [<ffffffff81060560>] ? run_timer_softirq+0x120/0x2e0
> >
> > What on your system is openning x25 sockets? Some stress/torture
> > program that opens random sockets?
> >
> > Or have you gotten into packet radio recently? :-)
>
> packet radio is AX.25
>
> X.25 is the CCITT wired network protocol over HDLC/LAP-B

I think David's larger point was that what looked to me like more
widespread breakage was in fact limited to [a]x25, a comparatively
rarely used (and rarely tested) corner of the kernel.

I turned them off and that solved the problems here. (and i suspect
the real fix wont be far away either) Thanks everyone.

Ingo