Re: CVS commit: src/sys/kern

[christos%astron.com@localhost (Christos Zoulas)]

In article <20120930114944.5B4CB175D0%cvs.netbsd.org@localhost>,
Michael van Elst <source-changes-d%NetBSD.org@localhost> wrote:
>-=-=-=-=-=-
>
>Module Name:   src
>Committed By:  mlelstv
>Date:          Sun Sep 30 11:49:44 UTC 2012
>
>Modified Files:
>       src/sys/kern: tty.c
>
>Log Message:
>Provide consistent locking around getc() in ttread(). This is necessary
>to prevent crashes in MPSAFE tty drivers like ucom.
>

Breaks ptyfs pty's: subyte() <- ttread() crash.
Just running ssh on a machine crashes it.

christos