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SubjectRe: PPP is not SMP safe in 2.2.X, Oops
Date
Hello!

> > > another ppp_tty_push - uh, I really hope ppp->tty_pushing isn't the only
> > > thing serializing access here.. that doesn't look healthy to me.
> > I think that exactly this happens, we have 2 ppp_tty_push running, one after
> > one.
> Yeah, I wouldn't doubt it. Probably the solution will be to convert tty_pushing
> to an atomic_t.
> Time for the famous linux-kernel mantra: please try this untested patch
:)
Well, I'll do it this evening, and then will wait for warnings in log.
I hope it will not last long till bug sows itself.

> Anyway, if the patch works you should get some lines logged in the format:
> ppp device ppp0: tpkt set to NULL at point N
We'll see.

Thank you.

Bye,
Oleg
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