[Expired for unity-greeter (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: unity-greeter (Ubuntu)
Status: Incomplete = Expired
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[Expired for Unity Greeter because there has been no activity for 60
days.]
** Changed in: unity-greeter
Status: Incomplete = Expired
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https://bugs.launchpad.net/bugs/828112
At least no longer a problem with keyboard input. The mouse still reacts
a bit choppy during the whole login process (not only the greeter) if I
don't ignore the HDMI outputs via xorg.conf (bug 855124), but that's not
a greeter problem.
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Is anyone still having this problem?
** Changed in: unity-greeter
Status: Triaged = Incomplete
** Changed in: unity-greeter (Ubuntu)
Status: Triaged = Incomplete
** Changed in: unity-greeter
Importance: High = Medium
** Changed in: unity-greeter (Ubuntu)
Importance: High =
other interesting bug report:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/854986
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/854986/
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/854986/comments/5 has a kernel to
ups, the second bug is https://bugs.launchpad.net/ubuntu/+source
/xserver-xorg-video-intel/+bug/855124
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https://bugs.launchpad.net/bugs/828112
Title:
Password field feedback slow at
I'm not sure how Chris Coulson's work on gnome-settings-daemon will
influence this bug (I don't see a g-s-d process running while the
greeter acts up), but can this one be closed then (for the greeter, as
the password field and pointer are still slow to response right after
starting the greeter)?
so Chris did work on bug #854101 (optimization for g-s-d) which quite
improved login for him, he uploaded those in ubuntu-desktop ppa for
those who want to test, https://launchpad.net/~ubuntu-
desktop/+archive/ppa (be careful there is also a candidate compiz update
for stacking issues there)
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Hernando, why do you want to close this one if you think the issues are
different?
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Title:
Password field feedback slow at times
To manage
Because the password field being slow to respond and the mouse lagging
don't seem to be caused by the unity-greeter (e.g., a simple kernel
downgrade makes things work again). Not sure what can be done in unity-
greeter to fix this.
As described in #11 - the probing of output ports seems to cause
On testing with Jason's machine and disabling gnome-settings-daemon
seemed to have a noticeable effect. Indications are the problem are
external to unity-greeter/lightdm but it's worth keeping this bug open
until we have it pinpointed.
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those charts seem to indicate the issue is not a lightdm or desktop one
but rather a kernel bug, gnome-settings-daemon seems to do some xorg
probes but those shouldn't take over 1 second of ressources each.
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** Tags added: testcase
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Title:
Password field feedback slow at times
To manage notifications about this bug go to:
Getting the same picture here. Attaching a bootchart crop of Oneiric
with kernel 2.6.38 vs. 3.0.0 (this is with auto-login, but shows the
same characteristics with the greeter) - X start is considerably longer
(total boot times: 14 vs 40 seconds with a SSD...).
** Attachment added:
X doesn't seem to do anything when the GTK greeter runs, while it does
those CPU spiking probes whit the Unity greeter. Screenshot attached.
** Attachment added: unity-greeter-vs-gtk-greeter.png
FWIW, I tested a Nvidia GPU in the same system with 'nvidia-current' and
'nouveau'. The Nvidia BLOB didn't show any lagging or increased Xorg CPU
usage. However, Nouveau showed the same as Intel - screenshot attached.
** Attachment added: oneiric-blob-vs-nouveau_crop.png
Yes, I can confirm #9 on Arrandale and Sandy Bridge (Intel HD 2000 and
3000) - opening the display properties causes mouse lagging and a bit of
CPU load, but it is this connected to this bug? The LightDM GTK greeter
doesn't show any lagging after all.
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I did some boots with bootchart that show Xorg doing lot work during
boot. Xorg log shows that those spikes relate to randr probes.
Might be that the unity-greeter is starting some processes (e.g. gnome-
settings-daemon) that call randr and the gtk-greeter doesn't start
those? Still, I think
Note that for me (as reported in my duped bug 838777), it's not just the
Password field that has slow feedback. Even mouse movements are tracked
slowly.
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If your mouse is also laggy might be that it's caused by X probing your
video outputs. That's the cause for me when using computer with Intel
Sandy Bridge gpu.
Check if opening Display properties or running xrandr causes cpu spike
and mouse laggines.
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** Changed in: unity-greeter (Ubuntu)
Importance: Critical = High
** Also affects: unity-greeter
Importance: Undecided
Status: New
** Changed in: unity-greeter
Status: New = Triaged
** Changed in: unity-greeter
Importance: Undecided = High
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We've been doing a lot of testing recently to try and track down the
performance issues.
1. There were some known slow parts (rendering the background and the
indicators) which were being left to last to optimise. These are now
threaded on the master version.
2. We've tried using additional
** Attachment added: jason_warnder_greeter_log
https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/828112/+attachment/2389925/+files/jason_warnder_greeter_log
** Changed in: unity-greeter (Ubuntu)
Status: Incomplete = Triaged
** Changed in: unity-greeter (Ubuntu)
I a similar experience and when it happened for me, the mouse was also
very laggy. So laggy in fact that I had to abandon moving the mouse at
all and just get out of the greeter.
It was happening pretty consistently for about 2 days and then it went
away as I was trying to debug it. Trying to
Could you run unity-greeter --test-mode and see if the problem
continues?
Are there any indications that anything else is running at the same
time? Wait a minute after booting up and see if the performance is the
same.
Do you have fast or slow computers? High or low resolutions?
** Changed
The behavior seems to have changed and now I'm getting delays only upon
greeter start, while X shows some CPU spikes. Afterwards the text field
responds fine.
No problems with unity-greeter --test-mode, fast computers, resolutions
are 1920x1080 and 1600x900.
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get the same here
** Changed in: unity-greeter (Ubuntu)
Status: New = Confirmed
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Title:
Password field feedback slow at times
To manage
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Title:
Password field feedback slow at times
To manage notifications about this bug go to:
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