On 14/03/12 07:36, Daniel van Vugt wrote:
Sigh. It looks like some new regression is in Unity 5 compared to Unity
4. The fix for the autoscroll timer still works, but it doesn't get the
number of wakeups per second much lower than 40. But that's a different
issue...
I *really* appreciate all
SRU justification:
Impact:
statfs() calls on eCryptfs files returned the wrong filesystem type and,
when using filename encryption, the wrong maximum filename length.
If mount-wide filename encryption is enabled, the cipher block size and
the lower filesystem's max filename length will
Verified with ecryptfs lower on ext2, ext3, ext4, xfs and btrfs for
Oneiric -proposed.
** Tags removed: verification-needed-oneiric
** Tags added: verification-done-oneiric
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Hi Didier, I see this keeps on getting pushed back in unity from 5.2.0
through to 5.8.0. Will this land in Precise before the we hit final
release?
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@Amber, can you next try:
I understand you did a recent upgrade from Oneiric to Precise. It would
be useful if we can see if this issue occurs running Precise but with
the older Oneiric kernels. If you can boot your machine and press shift
down at boot time to get the one grub boot menu and
Tony, so a couple of things:
Can you boot with a Oneiric kernel and see if these issues re-occur and
let me know, I just want to first factor out the kernel from the
changes.
Also can you also do:
sudo add-apt-repository ppa:colin-king/powermanagement
sudo apt-get update sudo apt-get install
Oops, typo, should be:
sudo tp-thermstat 1 thermstat.log
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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@Tony, since the tp-thermstat gathers data on running processes, you may
want to email the data to me rather than put it in a public bug.
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https://bugs.launchpad.net/bugs/953205
Title:
Tested and verified working for Lucid -proposed i386 2.6.32-40.87
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https://bugs.launchpad.net/bugs/723518
Title:
inotify DELETE_SELF notification disappears on ecryptfs mount
To
Tested and verified working for Lucid -proposed i386 2.6.32-40.87
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Title:
ecryptfs_read_lower errors
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Tested and verified working for Lucid -proposed i386 2.6.32-40.87
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Title:
ecryptfs returns EINVAL rather than EISDIR on read() on directory
To
Tested and verified working for Lucid -proposed i386 2.6.32-40.87
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Title:
ecryptfs_truncate should not call vmtruncate on lower inode
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Tested and verified working for Lucid -proposed i386 2.6.32-40.87
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Title:
lucid: ban stacking ecryptfs over ecryptfs
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Tested and verified working for Lucid -proposed i386 2.6.32-40.87
** Tags removed: verification-needed-lucid
** Tags added: verification-done-lucid
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Hi Ryan,
I checked the latest code in the desktop-team ppa, and the new HUD is
using up less CPU cycles now, but at times it can be quite busy.
Attached are my test results.
Hardware: HP Mini 210, Atom N450 @ 1.66GHz, 1MB RAM
Test: Type in 25 character phrase and then delete back to leave an
BTW, I'm using the cpustat tool in my PPA to make the measurements: ppa
:colin-king/powermanagement - to gather the data I run:
sudo cpustat 1 -q -r cpustat.csv
and then I can import the data into a spreadsheet and plot the graphs.
Maybe this can be of use to you.
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if it does or does not reboot.
Thanks!
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu)
Status: New = Incomplete
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** Tags removed: verification-needed-natty
** Tags added: verification-done-natty
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Title:
ecryptfs: Sanitize write counts of /dev/ecryptfs
To
Tested and verified working for Natty -proposed i386
** Tags removed: verification-needed-natty
** Tags added: verification-done-natty
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Title:
Tested and passed on Natty -proposed i386
** Tags removed: verification-needed-natty
** Tags added: verification-done-natty
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Title:
eCryptfs:
Tested and verified OK on -proposed Natty i386.
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Title:
ecryptfs: Sanitize write counts of /dev/ecryptfs
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** Changed in: linux (Ubuntu)
Status: Incomplete = Fix Committed
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Title:
eCryptfs: Make truncate path killable
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Thanks for fixing this!
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https://bugs.launchpad.net/bugs/934117
Title:
nm-applet is calling poll() at ~10Hz
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** Changed in: gnome-disk-utility (Ubuntu)
Milestone: None = ubuntu-12.04-beta-2
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Title:
compiz segfaults when mounting/unmounting a loopback
Since this mechanism has been reverted back to the old style of dialogue
box, this is no longer an issue. Marking as invalid.
** Changed in: gnome-screenshot (Ubuntu)
Status: New = Invalid
** Changed in: gnome-screenshot (Ubuntu)
Importance: Undecided = Low
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Public bug reported:
compiz segfaults when quickly mounting/unmonting a loopback filesystem
[ 4855.938753] compiz[6801]: segfault at 18 ip 7f4360b470d0 sp
7fff03eed728 error 4 in libgdu.so.0.0.0[7f4360b2f000+37000]
Testcase: See attached bash script.
I hit this problem running a bunch
** Attachment added: reliably crashes compiz
https://bugs.launchpad.net/bugs/948972/+attachment/2829184/+files/compiz-crasher.sh
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Title:
** Description changed:
compiz segfaults when quickly mounting/unmonting a loopback filesystem
[ 4855.938753] compiz[6801]: segfault at 18 ip 7f4360b470d0 sp
7fff03eed728 error 4 in libgdu.so.0.0.0[7f4360b2f000+37000]
Testcase: See attached bash script.
I hit this
Can you try the following:
Edit /etc/default/grub (you need to do this using root privilege) and
change
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash
to
GRUB_CMDLINE_LINUX_DEFAULT=quiet splash processor.ignore_ppc=1
and then run:
sudo update-grub
and reboot. Maybe this will work around the
Oneiric SRU justification:
Impact:
After passing through a -setxattr() call, eCryptfs needs to copy the
inode attributes from the lower inode to the eCryptfs inode, as they
may have changed in the lower filesystem's -setxattr() path.
One example is if an extended attribute containing a POSIX
** Changed in: linux (Ubuntu Oneiric)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu Oneiric)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu Oneiric)
Status: New = In Progress
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written 0 ? 0 : 2;
}
Note: This patch has already been picked up in Lucid as part of
the stable updates process, but got overlooked for Natty.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Colin King (colin-king)
Status: New
** Changed in: linux (Ubuntu)
Assignee
is greater than 1GB. Without the fix,
the following will get stuck:
truncate bigfile -s 5G
With, the fix, the file is truncated to 5GB as expected.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Colin King (colin-king)
Status: New
** Changed in: linux (Ubuntu
)
Importance: Undecided
Assignee: Colin King (colin-king)
Status: New
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
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Well, every 15 minutes is definitely better than every 2 minutes, so
yep, lets go with that as a compromise. Thanks!
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Title:
ubuntuone sync
for Natty.
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Colin King (colin-king)
Status: In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Changed
Hi Joerg
Upstream commit 07445f688218a48bde72316aed9de4fdcc173131 may help, so
I've built some test kernels for you to try.
http://zinc.canonical.com/~cking/lp-919815
Please download the appropriate headers + kernel debs for your system
(e.g. amd64, i386 or i386-pae) and install them (using
** Summary changed:
- Ubuntu freeze on battery after power on/off
+ Ubuntu freeze on battery after power on/off - blacklisting ath9k stops freeze
** This bug is no longer a duplicate of bug 780040
wifi softblocked atheros ar9285 cannot unblock ideapad z570
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Thanks, Colin
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu)
Status: Incomplete = In Progress
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I belive the poll in question is:
(gdb) where
#0 0x7f74414c2d40 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x7f7441a08136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x7f7441a0859a in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3
So on a clean install I was connected to the network by ethernet and nm-
applet behaved w/o the 10Hz polling. I then associated the wireless and
I can now see the 10Hz polling. Not sure if that is a useful data point.
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@Didier, is this bug going to get fixed on the 5.6.0 release? It is
the #1 top wakeup event generating process in the system by a long way.
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Lucid SRU Justification:
The IN_DELETE_SELF mask for inotify_add_watch indicates that an event
should be emitted when the watched path is deleted, however, this does
not happen on an eCryptfs mount.
To reproduce:
mkdir upper lower
sudo mount -t ecryptfs lower upper
and compile and run the
Let me see if I can rig up a test and see exactly how much each wakeup
costs.
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Title:
syndaemon polls 5 times a second even though it is started
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
** Changed in: linux (Ubuntu)
Status: Triaged = In Progress
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On 17/02/12 22:32, Sam_ wrote:
Agree, though I think when 927952 solves the root cause which introduced
exactly the deliberate move to pictures directory, then there won't be a
reason to crash. The issue currently is that user has no interactive
mode to select from a dialog where to save the
Public bug reported:
If I take a screen shot using Print Screen and I don't have a
/home/$USER/Pictures directory I get a crash pop-up saying Sorry,
Screenshot closed unexpectedly.
I'm confused - the old mechanism allowed me to save the image, but now
it's being dumped in a directory not of my
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Title:
gnome screenshot breaks if I don't have ~/Pictures directory
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Hi Sam, thanks,
however, I'm still flagging up the main issue which is:
If I take a screen shot using Print Screen and I don't have a
/home/$USER/Pictures directory I get a crash pop-up saying Sorry,
Screenshot closed unexpectedly.
I'm pretty sure checking if a directory exists is better than
SRU Justification:
When truncating inodes in the lower filesystem, eCryptfs directly
invoked vmtruncate(). As Christoph Hellwig pointed out, vmtruncate() is
a filesystem helper function, but filesystems may need to do more than
just a call to vmtruncate(). eCryptfs needs to go through
Attached is a truncate soak tester.
** Attachment added: Soak test source
https://bugs.launchpad.net/ecryptfs/+bug/451368/+attachment/2745474/+files/test.c
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SRU Justification:
Impact: Read on an ecryptfs directory should return EISDIR if not
supported however currently EINVAL is being returned rather than
EISDIR.
Fix: With this patch a .read operation for ecryptfs directories is
connected up to generic_read_dir() which then performs the correct
Note: SRU for Ubuntu Lucid
** Project changed: linux = ubuntu
** No longer affects: ubuntu
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Public bug reported:
Ubuntu Lucid:
SRU Justification:
Stacking ecryptfs over ecryptfs can lead to many kinds of errors.
There doesn't seem to be any good usecase for this and we should
follow the upstream policy of disallowing the configuration.
Fix: Without the fix, we can stack ecryptfs over
*** This bug is a duplicate of bug 917210 ***
https://bugs.launchpad.net/bugs/917210
** This bug has been marked a duplicate of bug 917210
compiz+unity3d generates 50 wakeups a second on idle system
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So the basic issues here are that we need to get accurate and consistent
power measurements that we know are reliable. I suggest running
powerstat from my PPA: https://launchpad.net/~colin-
king/+archive/powermanagement
* Make sure the machine is not running any unnecessary power sucking
I propose just checking the BIOS DMI info for Bochs related firmware
and skipping this test for virtual machines as a workaround.
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Title:
fwts
Public bug reported:
My 3G USB dongle (Huawei E1552/E1800) doesn't modeswitch automatically.
I can get it to work using following magic in /etc/usb_modeswitch.conf
DefaultVendor= 0x12d1
DefaultProduct=0x1446
TargetVendor= 0x12d1
TargetProductList=1001,1406,140b,140c,141b,14ac
CheckSuccess=20
Thanks Daniel, great work! Any idea when this will land in Precise?
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Title:
compiz+unity3d generates 50 wakeups a second on idle system
To
Most excellent! Thanks!
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Title:
compiz+unity3d generates 50 wakeups a second on idle system
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@Matt, thanks for that data point. I will see if I can get any sense out
of contacts we have in Lenovo.
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Title:
Lenovo U300s does not suspend
To
The fact that users aren't complaining about the line being logged
doesn't mean it's not unwanted - users just don't know about it. We do
get users complaining a lot about power consumption issues, and things
like logs periodically being updated will keep the disk from going into
an idle state.
Daniel, I'm able to measure wakeup events using a tool I wrote called
eventstat in my PPA https://launchpad.net/~colin-
king/+archive/powermanagement - alternatively use powertop.
Colin
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@Daniel, incidentally, how does one set the default mouse polling
interval to 500ms?
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Title:
compiz+unity3d generates 50 wakeups a second on
Great! Many thanks Vadim
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Title:
indicator-weather applet is writing debug messages frequently to disk
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HI Vadim, thanks for picking this up so quickly. Attached is a gzip'd
log as requested.
** Attachment added: gzip'd indicator-weather.log
https://bugs.launchpad.net/ubuntu-power-consumption/+bug/917253/+attachment/2678503/+files/indicator-weather.log.gz
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Public bug reported:
Running Precise with all of today's updates I'm observing that the
desktopcouch-service is polling at about 9.9Hz, running strace on the
process shows:
poll([{fd=10, events=POLLIN}, {fd=11, events=POLLIN}, {fd=3,
events=POLLIN}, {fd=17, events=POLLIN}], 4, 101) = 0 (Timeout)
*** This bug is a duplicate of bug 571648 ***
https://bugs.launchpad.net/bugs/571648
** Also affects: ubuntuone-client
Importance: Undecided
Status: New
** Also affects: ubuntu-power-consumption
Importance: Undecided
Status: New
** Summary changed:
-
Steve a few simple things to try:
1. Can this be reproduced with a previous kernel?
2. Can this be reproduced with power connected?
3. What kind of failure rate are you seeing?
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Yep. It's kinda invalid.
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Title:
thunderbird is consuming too much CPU
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Public bug reported:
avahi-daemon on a network with many clients is doing poll() with a zero
timeout and timing out immediately. This looks like a busy wait to me.
poll([{fd=6, events=POLLIN}, {fd=17, events=POLLIN}, {fd=16, events=POLLIN},
{fd=15, events=POLLIN}, {fd=14, events=POLLIN},
** Also affects: ubuntu-power-consumption
Importance: Undecided
Status: New
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Title:
avahi-daemon: polling with zero timeout
To manage
Public bug reported:
I upgraded from Oneiric to Precise and now thunderbird is consuming 50%
of my CPU all the time.
Attached is a strace of the busy process.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: thunderbird 10.0~b2+build1-0ubuntu1
ProcVersionSignature: Ubuntu
** Attachment added: Thunderbird strace log
https://bugs.launchpad.net/bugs/915324/+attachment/2669534/+files/thunderbird-trace.log
** Tags added: battery-power-consumption
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@Chris, I think this may be a false bug report - after ~30 minutes of
grinding away it is now settled down. I have no idea how to re-trigger
this issue.
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On 12/01/12 15:11, Chris Coulson wrote:
Is it a fairly fresh account, or new-ish profile? It could have been the
indexing
This is an existing account with *thousands* of messages. Perhaps moving
to the new thunderbird from Oneiric to Precise forced a re-index.
Colin
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@Chris, that makes sense. Not a bug then. Thanks for looking at this
for me.
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Title:
thunderbird is consuming too much CPU
To manage
** Changed in: bluez (Ubuntu)
Assignee: (unassigned) = Canonical Desktop Team (canonical-desktop-team)
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Title:
Bluetooth's on/off status
** Changed in: pm-utils (Ubuntu)
Assignee: Canonical Foundations Team (canonical-foundations) = Martin
Pitt (pitti)
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Title:
pm-utils: typo
*** This bug is a duplicate of bug 818830 ***
https://bugs.launchpad.net/bugs/818830
Unfortunately the i915 RC6 patch was dropped with commit
371de6e4e0042adf4f9b54c414154f57414ddd37 because the RC6 fix still seems
to make some systems freeze and as yet we've not got a reliable list of
Well, if ethtool isn't going to consume lots of space then I'm happy for
it to be seeded too.The moot point is that it doesn't appear to save
much power (the measurements were close to the noise levels of the
readings). So, it's one of those cases that either we seed it and it
works as
Problem also in Precise.
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Title:
Bluetooth's on/off status doesn't update from the SetProperty D-Bus
method that bluetoothd sends
To manage
** Changed in: xserver-xorg-input-synaptics (Ubuntu)
Importance: Undecided = Medium
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Title:
syndaemon polls 5 times a second even though it is
strace shows:
open(/var/lib/NetworkManager/timestamps, O_RDONLY) = 20
fstat(20, {st_mode=S_IFREG|0644, st_size=1646, ...}) = 0
read(20, \n[timestamps]\n3c32aa58-a2ed-44e7..., 4096) = 1646
read(20, , 4096) = 0
close(20) = 0
Public bug reported:
Network Manager is periocially creating dirty pages that are being
written back to disk and causing uncessary drive wakeups.
Using SystemTap I was able to observe the following dirty pages being
created on the following files
0 7951 NetworkManager
The culprit is periodic_update_active_connection_timestamps() which is
being called every 300 seconds because of:
/* Update timestamps in active connections */
priv-timestamp_update_id = g_timeout_add_seconds (300, (GSourceFunc)
periodic_update_active_connection_timestamps,
** Tags added: battery-power-consumption
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Title:
NetworkManager periodically writes to the disk causing wakeups
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So, I only see a single timestamps file too, the timestamps.096F6V
filename is probably a short lived temp filename. As for the
configuration, it was a clean install and connected via wireless (and
possibly ethernet).
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** Tags added: battery-power-consumption
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Title:
ubuntuone sync daemon is writing IDLE messages to the log every 2
minutes
To manage
** Attachment added: pm-utils power.d script to put USB webcams into low power
state
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/911325/+attachment/2655617/+files/usb_bluetooth
** Changed in: pm-utils (Ubuntu)
Milestone: None = ubuntu-12.04-beta-1
** Tags added:
Public bug reported:
The kernel allows us to save power on a range of devices - currently pm-
utils power.d does not make full advantage of these power savings.
Tools like PowerTop provide advice on which devices can be set into a
Good power management state. Analysis on a selection of
** Attachment added: pm-utils power.d script to put PCI devices into low power
state
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/911325/+attachment/2655616/+files/pci_devices
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So basically, unless one can figure out what kind of meta data is
squirreled away in hidden databases, partial encryption is rendered
useless if one wants filename encryption?
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Perhaps the ecryptfs tools should inform the user that moving ~/.cache
into ~/Private is a recommended practice, or alternatively the sharing
of encrypted files in Ubuntu One should be only allowed if the user is
warned there is an associated risk.
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OK, I can't see any thing obvious in those logs. Perhaps the desktop is
passing down some quirks which we aren't passing into pm-suspend when we
run it standalone.
Can you add the following to /usr/sbin/pm-suspend just after the
#!/bin/bash line:
echo $@ /root/pmsuspend-args.log
and the run
Public bug reported:
The gwibber-service forks off a child process that runs a polling loop
constantly at 10Hz which causes a lot of wakeups on an idle system. On
my Lenovo X220i this constitutes 7% of the wakeups on a cleanly
installed system when running idle. Extraneous wakeups waste power
** Changed in: gwibber (Ubuntu)
Milestone: None = ubuntu-12.04-beta-1
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/906916
Title:
gwibber-service has a child that polls at 10Hz which is causing
** Changed in: ubuntuone-client (Ubuntu)
Milestone: None = ubuntu-12.04-beta-1
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https://bugs.launchpad.net/bugs/906924
Title:
ubuntuone-syncdaemon is polling at 10Hz on a pipe read
Public bug reported:
ubuntuone-syncdaemon is polling at 10Hz on a read on file descriptor 4
(which appears to be a pipe). Polling waits at 10Hz is quite
excessive, especially on an idle system. For example, on a cleanly
installed Lenovo X220i, this constitutes ~7-8% of the total wakeups on
an
** Tags added: battery-power-consumption
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https://bugs.launchpad.net/bugs/906924
Title:
ubuntuone-syncdaemon is polling at 10Hz on a pipe read
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