Messages in this thread | | | Date | Wed, 20 Feb 2013 18:32:29 +0100 | From | Karel Zak <> | Subject | Re: [PATCH] TTY: do not reset master's packet mode |
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On Wed, Feb 20, 2013 at 05:40:34PM +0100, Jiri Slaby wrote: > On 02/20/2013 02:19 PM, Karel Zak wrote: > > On Tue, Jan 15, 2013 at 11:26:22PM +0100, Jiri Slaby wrote: > >> Now that login from util-linux is forced to drop all references to a > >> TTY which it wants to hangup (to reach reference count 1) we are > >> seeing issues with telnet. When login closes its last reference to the > >> slave PTY, it also resets packet mode on the *master* side. And we > >> have a race here. > > > > [...] > > > >> By this I am resurrecting an old bug, see References. We are hitting > >> it regularly now, i.e. with updated util-linux, ergo login. > >> > >> Here, I am changing a behavior introduced back in 2.1 times. It would > >> better have a long time testing before goes upstream. > > > > It would be nice to found a quick way how to resolve this problem, > > because telnet+login is broken now... and for end users it seems like > > a regression. > > Oh, the patch is in the TTY tree and I suppose it will go to 3.9-rc1 > (and to stable as we will get to same later -rc -- to have some testing).
Cool. Thanks for feedback.
Karel
-- Karel Zak <kzak@redhat.com> http://karelzak.blogspot.com
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