The same problem is in Hardy (which I upgraded to last night as it
happens), I will open a new bug.
** Also affects: linux-source-2.6.24 (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- Powertop reports huge number of wakeups under gutsy and drains battery
+ Powertop
Thank you for taking the time to report this bug and helping to make Ubuntu
better. This bug does not meet the criteria for a stable release update and is
being marked as Won't Fix for the kernel version the bug was submitted about.
You can learn more about the stable release update process
I am assigning this bug to the 'ubuntu-kernel-team' per their bug
policy. For future reference you can learn more about their bug policy
at https://wiki.ubuntu.com/KernelTeamBugPolicies .
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: (unassigned) = Ubuntu Kernel Team
Ok. This is know issue on [EMAIL PROTECTED] mailinglist but at the
moment no solution available.
** Changed in: linux-source-2.6.22 (Ubuntu)
Sourcepackagename: None = linux-source-2.6.22
Status: New = Incomplete
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Powertop reports huge number of wakeups under gutsy and drains battery
** Changed in: linux-source-2.6.22 (Ubuntu)
Status: Incomplete = Confirmed
--
Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
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Bugs, which is the bug contact
Here it is.
** Attachment added: powertop--dump.out
http://launchpadlibrarian.net/10467820/powertop--dump.out
--
Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
You received this bug notification because you are a member of Ubuntu
You've got it.
** Attachment added: lspci-vv.out
http://launchpadlibrarian.net/10472394/lspci-vv.out
--
Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
You received this bug notification because you are a member of Ubuntu
Bugs,
Please post: powertop --dump
if you still have this issue.
--
Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
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Does it make difference to have the modules loaded in boot time or
after?
Not for me.
Does it make difference if you unload them later?
If I unload yenta_socket the wakeups stays high.
Does it happen every time?
Yes.
Thanks, HTH!
J.
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Powertop reports huge number of wakeups under gutsy
After further investigations, here are the results of my tests.
- The phenomenon is reproducible and happens every time.
- It makes no differences if the modules are loaded at boot time or after.
- loading yenta_socket makes the phenomenon appear after a random period of
time.
- unloading
Thanks, it solves this issue.
In my case this is not a definitive solution because I use a pcmcia
device (external 3G card).
Is there anything I can do to help ?
--
Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
You received this
I wrote a script to see which are the modules loaded.
The module to blame should be one of these
pcmcia 41388 0
pcmcia_core40980 3 pcmcia,yenta_socket,rsrc_nonstatic
rsrc_nonstatic 14080 1 yenta_socket
yenta_socket 27532 1
So, what I need
Thanks for the detailed instructions.
The culprit appears to be yenta_socket!
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Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
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Obviously, yenta_socket is causing this behavior.
After a few tests it appears that loading yenta_socket makes the number
of wake ups jump to 6K/s, but unloading it then reloading it reset the
number of wakeups to a standard value.
** Attachment added: Tests results
Does it make difference to have the modules loaded in boot time or after?
Does it make difference if you unload them later?
Does it happen every time?
If you are sure that we have a certain study case, we can forward the
bug to the upstream.
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Powertop reports huge number of wakeups under
Try putting the pcmcia and yenta_socket modules in the blacklist
[ In the file /etc/modprobe.d/blacklist append
blacklist pcmcia
blacklist yenta_socket
] and reboot.
Don't try unloading them, you need to not load them at all.
This will obviously disable pcmcia, but if you don't use it then you
Hi,
I encounter the same issue on a d630. After a while the wakeups count jumps
from less than 100 to ~6K per seconds.
I've switched to console removing all unused processes and kernel modules but
the wake-ups count is still around 6K per seconds and C0 residency is 50%.
It looks like a kind
Since the C0 residency is 50% plus whatever process wake-ups I can see,
I would hazard a guess that the kernel has woken up one of the cores in
my dual core CPU and not let it sleep again.
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Powertop reports huge number of wakeups under gutsy and drains battery
The machine is a Dell Latitude D630. (Centrino Duo T7300, Santa Rosa
chipset)
** Attachment added: lspci.txt
http://launchpadlibrarian.net/9517733/lspci.txt
--
Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
You received this bug
** Attachment added: dmesg.txt
http://launchpadlibrarian.net/9517740/dmesg.txt
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Powertop reports huge number of wakeups under gutsy and drains battery
https://bugs.launchpad.net/bugs/145377
You received this bug notification because you are a member of Ubuntu
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