Alan Pater, could you please confirm this issue exists with the latest
development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal (Applicatio
The latest updates seem to have triggered the issue, as well as
displaying other artifacts. I now get some graphics corruption
(attached) and, while watching a (html5) video on youtube
(http://www.youtube.com/watch?v=0wp2qhoop9U), the whole system froze and
the video audio went into some sort of sk
~$ uname -a
Linux loronegro 3.11.0-031100rc6-generic #201308181835 SMP Sun Aug 18 22:44:53
UTC 2013 i686 i686 i686 GNU/Linux
** Changed in: linux (Ubuntu Saucy)
Status: Incomplete => Confirmed
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** Description changed:
A while after logging on, the system gets really slow. Menus and window
movements take a while to respond, switching windows is slow, etc.
This is a regression, it was not like this using Ubuntu 12.10, it just
started on 13.04. Tried different desktops (Unity, Gn
Worse with a really old kernel: 3.2.48-030248-generic
With that kernel, it only took 5 minutes of light web browsing for the
system to totally bog down.
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** Tags added: kernel-bug-exists-upstream-v3.11-rc2
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Title:
13.04, lag under desktop environments
Status in X.org xf86-video-intel
Same problem with the new mainline kernel
-- Fresh start with new kernel --
~$ uname -a
Linux loronegro 3.11.0-031100rc2-generic #201307211535 SMP Sun Jul 21 19:45:33
UTC 2013 i686 i686 i686 GNU/Linux
~$ gtkperf -a
Total time: 14.87
~$ sudo hdparm -tT /dev/sda
Timing cached reads: 1682 MB
Yeah, I can try another kernel, but I don't see how that helps to
identify the problem. Shouldn't there be some register or log showing
what part of the system is getting out of sorts?
PS: After a long shutdown and restart, the problem reappeared within 15
minutes of starting. I noticed this ti
Alan Pater, thank you for updating your BIOS. Could you please test the
newest mainline kernel via http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.11-rc2-saucy/ ?
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** Tags removed: bios-outdated-a06
** Tags added: latest-bios-a06
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Title:
13.04, lag under desktop environments
Status in X.org xf
With the bios update, it takes longer to trigger, but eventually, yes,
the system slows down. Videos get out of sync, opening applications,
moving windows, menus all get really slow.
~$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
A06
02/02/2008
In an attempt to quantify,
** No longer affects: tlp (Ubuntu Saucy)
** No longer affects: tlp (Ubuntu Raring)
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Title:
13.04, lag under desktop environments
Alan Pater, as per
http://www.dell.com/support/troubleshooting/us/en/04/Product/latitude-d420
an update is available for your BIOS (A06). If you update to this, does
it change anything?
If not, could you please both specify what happened, and provide the output of
the following terminal command:
However, given that TLP made it worse, could it be that some power
management setting is doing something funky with the system cache as
indicated with the hdparm -T result?
What I don't know and can't find to how to see what state the cache or
memory are in.
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It seems the TLP was not the main cause after all. I've purged TLP from
the system, rebooted multiple times, and the issue still appears, just
not as quickly.
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