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[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.] ** Tags added: patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1575200 Title: Error connecting to X server via IPv6 Status in Light Display Manager: Fix Committed Status in Light Display Manager 1.10 series: Fix Committed Status in Light Display Manager 1.16 series: Fix Committed Status in Light Display Manager 1.18 series: Fix Committed Status in lightdm package in Ubuntu: Fix Committed Status in lightdm source package in Trusty: Fix Committed Status in lightdm source package in Wily: Fix Committed Status in lightdm source package in Xenial: Fix Committed Bug description: I've discovered a problem in lightdm XDMCP using link-local IPv6 addresses without interface index to connect to X server. It has been originally reported at https://bugzilla.redhat.com/show_bug.cgi?id=1322775. The problem can be fixed by having the XDMCP client not transmitting link-local addresses in the request, but if it does, lightdm XDMCP server can be a lot smarter if the attached patch is applied. It changes the X server address selection order to set the lowest preference to link-local addresses, even if matching the source address or family. This is not 100% full-proof: if only link-local addresses have been received, one of them is used anyway. In this case, a complete solution would be to determine and set the address interface index if not ambiguous. However, this patch fixes the problem for most of the non-pathological cases. To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1575200/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
