I'm not an IT guy, but I am having problems with high CPU usage. Always
over 90% on a fairly new install of Ubuntu running on a Pentium 4 on a
Toshiba Satellite 1905-s301. What I did come to realise is that it
happens only when I 'look' at the system monitor resources. I updated
the preferences:
I confirm that this problem still exists in Feisty, including the latest
2.6.20-16 kernel.
I'm running on a Compal DL71 with an Intel Pentium M 740 1.7 MHz CPU.
Out of the box, the system was not doing any CPU throttling, always
running at max CPU clock. I had previously run Breezy 5.10 which did
this bug is still present on feisty herd2 on a sony vaio fs11m (centrimo 1.6GHz)
kernel:
2.6.20-5-generic
changing max_cstate as follows, resolve the issue:
echo 1 > /sys/module/processor/parameters/max_cstate
On 10/30/06, hardyn <[EMAIL PROTECTED]> wrote:
> i am still having the problem of high
i am still having the problem of high CPU usage while idle, movie
playback choppy etc. The maxcstate patch does take care of the problem.
it appears that some effort has be taken to fix this, although i doesn't
work with my configuration.
asus z70va notebook pent. m. w/ fglrx driver.
is this an
This probably does not belong here, but just to let you know:
With latest update of the 686 kernel (2.6.15-26.47), restricted modules
(2.6.15.11-4) and proprietary ATI fglrx driver (7.0.0-8.25.18+2.6.15.11-4),
I now have hardware 3D with the 686 kernel. Problem seems to be gone.
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cpu idle ti
I confirm anonym's problems.
I have an Acer aspire 1692WLmi, Pentium M740 with ATI X700 graphics.
With the proprietary fglrx driver (version 8.25.18), hardware 3D is
unavailable with -686 kernel (version 2.6.15-26.46) but works with -386
kernel. This can be verified by running glxinfo and checkin
how exactly you lowered your graphics, I don't have any fancy effects
either. but kernel is in C2 for 99.9% time
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Fixed my problem with slow graphics (Dell D810) - I had the correct
binary driver installed for my kernel, but for some reason depmod -a was
never run and the module wasn't loading.
After fixing that everything seems ok now.
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** Changed in: linux-source-2.6.15 (Ubuntu)
Status: Fix Committed => Fix Released
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thanks Brian, looks like my kernel headers and image are updated (not
sure about restricted modules, is that relevant?).
I am attaching little info from my laptop (DELL 600m Celeron 1.5Ghz). My
ultimate problem of processor persistance in high C2 power state
remains.
With 2.6.12 kernel I have fre
On Fri, 2006-08-04 at 13:35 +, João Manuel Rodrigues wrote:
> Should the bug now be marked "Fix released"?
>
> According to the changelog on the latest (2.6.15-26.46) dapper kernel:
> http://changelogs.ubuntu.com/changel...6.46/changelog
> It seems to be out now.
>
Seems to work fine for me
I think you can check that you are using the new kernel this way:
$ cat /proc/version
Linux version 2.6.15-26-686 ([EMAIL PROTECTED]) (gcc version 4.0.3
(Ubuntu 4.0.3-1ubuntu5)) #1 SMP PREEMPT Thu Aug 3 03:13:28 UTC 2006
You may need to edit /boot/grub/menu.lst (CAREFULLY) or use the grub
boot me
how do you guys apply these fixes?
my adept/synaptic managers last time downloaded updates 24 hours ago and
problem is still there.
is there any way to see if this patch is implemented?
or download it manually?
is there any guide how to handle this bug fixing beyond running usual
adept "fetch u
Problem resolved with HP/Compaq nc6230
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Dell Inspiron 6000. Problem solved.
@anonym - if you've got the time and the patience, check to see
whether upstream kernels fix your problem. git-bisect can help you
narrow it down to which change fixed the bug.
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Dell Latitude D810 here.
This problem seems dramatically lessened but not altogether gone.
Dragging windows and other video-intensive actions are marginally slower
than with the -386 kernel. Also my screensavers now run at about 10%
their regular speed. (ati binary driver) Yes, it's like watchi
I'm now running linux-image-2.6.15-26-686, version 2.6.15-26.46 on a
Pentium M 740 1.73MHz (Acer Aspire 1692WLMi).
So far, it seems fine: Without changing max_cstate, CPU rapidly throtles
down to 800MHz and, when idle, CPU usage settles around 5--6%. Starting
new apps, such as opening a firefox w
Should the bug now be marked "Fix released"?
According to the changelog on the latest (2.6.15-26.46) dapper kernel:
http://changelogs.ubuntu.com/changel...6.46/changelog
It seems to be out now.
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ub
Ah. I picked up a kernel update last night that was the version below so
I thought it might have been that.
Thanks!
On Thu, 2006-07-20 at 03:25 +, Ben Collins wrote:
> On Thu, 2006-07-20 at 02:56 +, sohail wrote:
> > Is this supposed to be fixed for 2.6.15-26-686? Because it still isn't
>
On Thu, 2006-07-20 at 02:56 +, sohail wrote:
> Is this supposed to be fixed for 2.6.15-26-686? Because it still isn't
> fixed for me (top reports ~80% CPU usage with max_cstate set to 3)
"Fix committed" means it's in our source repo. When it's marked "Fix
released", then it will mean it's upl
Is this supposed to be fixed for 2.6.15-26-686? Because it still isn't
fixed for me (top reports ~80% CPU usage with max_cstate set to 3)
On Wed, 2006-07-19 at 16:06 +, Ben Collins wrote:
> Thanks. Patches applied for next dapper update.
>
> ** Changed in: linux-source-2.6.15 (Ubuntu)
>
Thanks. Patches applied for next dapper update.
** Changed in: linux-source-2.6.15 (Ubuntu)
Assignee: (unassigned) => Ben Collins
Status: Confirmed => Fix Committed
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The problem and the fix are described in these notes to LKML:
http://lkml.org/lkml/2005/12/8/304
There are some further changes upstream to deal with bugs in the first
set of patches. Right now I'm running the Ubuntu 2.6.15-26 code with
this set of patches, and things look good:
5a07a30c3cc4dc4
Both problems are reproducible in kernel.org 2.6.15.7. Both appear to
be fixed in 2.6.16.
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Neither bug, the /proc/stat issue or the lousy X performance, is
reproducible in 2.6.17.5. I'm going to try to figure out which kernel
rev resolved the issue(s).
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https:
Well, my problem goes away if I change my config from CONFIG_HZ_250 to
CONFIG_HZ_1000. The change from 1000 to 250 was done in 2.5.15-24,
which corresponds nicely to when I started to see problems with sluggish
performance.
* i386/amd64: Change HZ=1000 to HZ=250. The high frequency was causing
This problem still occurs if I use the stock kernel.org 2.6.15 source
(or the Debian source) with the Ubuntu 686 config file. I see a couple
of possibilities:
1) There are two separate bugs being discussed here. This would explain
several discrepancies in the bug reports, particularly why some p
I've put together a test program that demonstrates the
performance degradation introduced by this bug.
The attached tar ball contains information about the test program
and oprofile runs demonstrating the differences in
performance with max_cstate=1 and max_cstate=8.
I believe Ubuntu defect 50153
Last kernel 686-26 doesn't seem to solve the problem for me.
At the moment I use 386 kernel because I think that set max_cstate=1 decreases
battery life according to this web:
http://www.thinkwiki.org/wiki/Talk:Problem_with_high_pitch_noises
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Confirming the bug with latest Dapper and HP nx6110. Willing to assist
with debugging as I am a DD and am willing to follow instructions to fix
this.
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** Attachment added: "dmesg output - HP nx6110"
http://librarian.launchpad.net/3270776/dmesg.output
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This problem occurs also on Celeron-M processors (like mine 360J in HP
nx6110). Performance in Dapper is severely degraded when compared to
Breezy.
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I too would like to emphasize the importance of this issue. Performance
is significantly degraded on my HP nc6230 with 686 kernel. With such a
variety of systems being impacted, I hope this issue will be be changed
to a higher level of importance.
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** Bug 51237 has been marked a duplicate of this bug
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** Bug 50024 has been marked a duplicate of this bug
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I'd like to emphasize again that this bug has severe implications on
some systems. I just found out that bug #50341 is actually caused by
this bug. To summarize it: As long as I don't work around with
max_cstate=1, I can't even scroll smoothly in an xterm (not speaking
about something like firefox)
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