Buggy network connection causes very low system responsiveness

Adam Jackson ajackson at redhat.com
Thu Apr 3 17:04:41 UTC 2008


On Thu, 2008-04-03 at 10:17 -0400, David Mansfield wrote:
> On Thu, 2008-04-03 at 10:10 -0400, Adam Jackson wrote:
> > For the perversely curious: X's session management protocol defines a
> > concept of a client ID, generated by the session leader and passed to
> > new clients.  Unfortunately, the spec defines the client ID in such a
> > way that you have to emit the IP address of the server in the ID, and
> > the way that gets implemented (hold your nose) is by calling
> > gethostname() followed by gethostbyname().  So if your resolver isn't
> > reachable (because the route is down, or because it changed and
> > gnome-session has the old one cached), or if your hostname isn't a
> > resolvable DNS name, you lose.
> > 
> > Thankfully the client ID is an opaque string prefixed by a version
> > number, so you can just bump the version number and use UUIDs.
> 
> By "you" do you mean you?  And does this mean you have done this in
> latest X or that it is left as an exercise for the reader?

I mean Dan did a patch for it that I need to test and commit.

Should be in koji shortly, and rawhide tomorrow.

- ajax




More information about the fedora-devel-list mailing list