Control: forwarded -1 https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/1454588
On mar., 2015-05-12 at 01:07 +0200, Raphaël Halimi wrote: > Control: reassign -1 lightdm-gtk-greeter > > Le 06/05/2015 08:21, Yves-Alexis Perez a écrit : > > Then try to investigate by downgrading relevant packages (like lightdm, > > pam modules or fprint libraries)? > > I tried to downgrade lightdm to wheezy version, to no avail ; but I > found weird that the greeter stayed the same and then I remembered that > in lightdm the greeter is separated from the main display manager. So I > tried to downgrade lightdm-gtk-greeter to wheezy version and the problem > was solved. > > Joining an snippet of the logs would be useless since the messages are > strictly the same (even the gkr-pam one), but I tried my best to narrow > down the problem nevertheless (at my humble non-dev level) by > downloading on snapshot.debian.org every version between 1.1.6-2 > (wheezy) and 1.8.5-2 (jessie), and upgrade the package step by step. > > The problem appeared with version 1.6.0-1. The weird thing (that I > failed to notice before) is that when the syslog shows a fingerprint > mismatch, the greeter acknowledges it (the box shakes and I'm allowed to > retry, up to three times), but if the fingerprint matches, the greeter > just ignores it. No shaking, no message, nothing. I just stays as it is > instead of logging me in. It's not frozen though, since I still can > enter a password (and then I'm able to log in). > > Starting from 1.8.1, in case of mismatch, the box doesn't shake anymore, > only the swipe prompt changes, but for for an incredibly short period of > time, that's certainly why until now I didn't identify the exact symptom > so precisely(I watch the syslog from another screen via ssh). > > I know it's not much but I hope it helps. Also, I think this bug should > be forwarded to upstream, since it seems to have been introduced by > 1.6.0, which seems to have changed a lot of things (it's hard to tell > from the upstream changelog because it rarely mentions version numbers, > but this one introduced rounded corners, a new blue background for the > swipe prompt, [Enter] didn't work anymore (until it was fixed later)... > and this very bug). > > Just to be sure, I tried 2.0.0 from unstable, it's even worse : in case > of a match, the password field disappears, I have to click "Cancel" to > be able to enter my password and log in. > > I pinned 1.1.6-2 for now. > I've forwarded the bug upstream, they might need more information, especially if they don't have a way to reproduce because of lack of fingerprint reader. Also, when you downgrade, can you confirm you *only* downgrade the greeter and not something else, like liblightdm-gobject? Regards, -- Yves-Alexis
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