** Changed in: udisks
Status: Confirmed = Fix Released
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Title:
CD-ROM polling on some Optiarc drives causes high CPU usage
To manage
** Changed in: udisks
Status: Fix Released = Confirmed
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Title:
CD-ROM polling on some Optiarc drives causes high CPU usage
To manage
** Changed in: linux (Ubuntu)
Assignee: Chase Douglas (chasedouglas) = (unassigned)
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Title:
CD-ROM polling on some Optiarc drives causes
** Changed in: linux
Importance: Unknown = Medium
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Title:
CD-ROM polling on some Optiarc drives causes high CPU usage
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** Changed in: udisks
Importance: Unknown = Wishlist
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Title:
CD-ROM polling on some Optiarc drives causes high CPU usage
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** Changed in: udisks
Importance: Wishlist = Unknown
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Title:
CD-ROM polling on some Optiarc drives causes high CPU usage
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I have an MSI GX620 with an optiarc drive. A firmware update fixed it for me.
Here is a link to my blog post about it:
http://www.benninger.ca/?p=27
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CD-ROM polling on some Optiarc drives causes high CPU usage
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On 08/11/10 01:11, cdawg wrote:
I have an MSI GX620 with an optiarc drive. A firmware update fixed it for me.
Here is a link to my blog post about it:
http://www.benninger.ca/?p=27
The problem had gone away for me on 10.10
The correct file for me would be
@Jeremy Foshee
how do i get this released fix ? i use 10.04 with all patches
installed and the problem still persists.
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You received this bug notification because you are a member of Ubuntu
broe, then you are experiencing a different issue. Please file a new bug
so that we can look into it.
Thanks!
~JFo
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Bugs,
I tried sudo hal-disable-polling --device /dev/sr0, restarting udev, and
even the firmware update. Unfortunately udevadm monitor still shows
repeats of the following (about once a second):
UDEV [1276134766.174897] change
/devices/pci:00/:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi)
UDEV
** Changed in: linux (Ubuntu)
Status: Invalid = Incomplete
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** Changed in: udisks (Ubuntu)
Status: Incomplete = Confirmed
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so, I was fix this problem:
in the terminal:
sudo hal-disable-polling --device /dev/sr0
sudo service udev restart
as a result the udevd stop a processor load...
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maroshka,
Please do not arbitrarily change bug statuses. If you feel you have an
issue that resembles the one in this bug, please open a new bug. This is
especially true if you have differing hardware or if the issue is not quite the
same.
Thanks!
~JFo
** Changed in: linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Invalid = Incomplete
** Changed in: linux (Ubuntu)
Status: Incomplete = Invalid
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Dears,
I have a problem with cpu load too. I have a Optiarc DVDRW drive AD-7560S
dmesg:
[1.945663] ata2.00: ATAPI: Optiarc DVD RW AD-7560S, S803, max UDMA/100,
ATAPI AN
[1.959585] ata2.00: configured for UDMA/100
[1.977169] scsi 1:0:0:0: CD-ROMOptiarc DVD RW AD-7560S
And in:ps ax|grep hal
2406 ?Ssl0:04 /usr/sbin/hald
2407 ?S 0:00 hald-runner
2434 ?S 0:00 hald-addon-input: Listening on /dev/input/event5
/dev/input/event7 /dev/input/event2 /dev/input/event1 /dev/input/event8
/dev/input/event3 /dev/input/event0
For those like me, who have no idea what to do with udev rules, here are
step by step intructions to fixing this problem:
hit alt+F2 for command line (or open a terminal if you prefer).
paste this command for gedit to open the rules file with root:
# gksu gedit
OK I also found that the steps mentioned in my previous post were
temporary, meaning the changes I made did not persist after a couple
of reboots and resumes from suspend.
The good news is now I now have the exact output that occurs after
stopping /dev/sr0, it is as follows
#
Martin Pitt in comment #72 linked to the commit with instructions on how
to fix this issue. Polling is not disabled by default because it stops
media detection and does not cause issues for most people. Please follow
his instructions to disable polling using udev.
Note that udev has replaced hal
Thanks Chase (and Martin). Sorry I had not read his earlier post.
The udev rules outlined in Martin's post worked after I rebooted.
I'll post again should anything come up later.
What I cannot understand though is if HAL is disabled, why then does the
hald daemon automatically start. I do not
Mark Fernandes [2010-04-08 13:48 -]:
What I cannot understand though is if HAL is disabled, why then does the
hald daemon automatically start. I do not have settings that enabled
that daemon to start because I am working with the stock installation of
Lucid.
The only thing that still uses
OK I just found a way to drop the CPU load without stopping udev. The
trouble is I cannot confirm that this method will work because I was not
able to re-duplicate it before posting, so your mileage might vary.
Here is what I did:
# hal-disable-polling --device /dev/sr0
It printed a bunch of
i also have this kind of bug. with the below command
sudo restart udev
in terminal all looks fine but when i restart my machine i get the problem with
high cpu usage again.
Did you came up with any solution for this?
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CD-ROM polling on some Optiarc drives causes high CPU usage
i have msi gt725 quad core 2ghz ddr2 4gb ati hd4850 tried karmic with udev 147
6.0 cpu usage about 0 to max 2% then upgraded it to udev ver 147 6.1 cpu went
to 30% sudo restart udev helped cpu went to 0%. but this is no solution.
tried lucid beta too with start udev 151 7 the same issue cpu
aha in karmic udev ver 147 6.0 doesn't recognise usb flash drive. where
udev 147 6.1 does but u need to type sudo restart udev:)
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just checked lucid and in lucid sudo restart udev doesnt help. sudo stop
udev does
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Chase,
the rule support in udisks is meant to be a local workaround, but not
actually a solution. Completely disabling polling will also disable
media detection.
See
http://cgit.freedesktop.org/udisks/commit/?id=fb86ef144bad470b3d8ed761c7bdbe94886e5edd
for how such a rule can look like.
--
This is getting really annoying. This bug is reported for more than a
year and it doesn't look as though something is being done to resolve
it. Even 10.04, that up to the last update didn't suffer from this bug,
now, has it too. I thought the ubuntu community was more active ...
If some of the
@Martin Pitt,
udisks now has the ability to disable polling, but what do we need to do
to use that for these optiarc drives?
** Changed in: linux (Ubuntu)
Status: Triaged = Invalid
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CD-ROM polling on some Optiarc drives causes high CPU usage
https://bugs.launchpad.net/bugs/379780
You
This bug is really bugging me, because despite being upto date with
everything released so far, it wont go away for me. :)
I have tried everything recommended on this thread, but the load does
not come down as much as if I were to shutdown udev completely. I
include a snapshot of all running
Mark Fernandes wrote:
Ok after upgrading to the latest kernel I notice slight drop in load
activity with udevd, but it is still too high - never below 0.6. Even
after restarting it makes no difference. My details are:
Mark, I have found if I restart the daemon as the system is still
loading
replying to #43...
Is there anyone who has this issue but has a different drive?
I'm having this problem of high CPU usage since I upgraded to Karmic 2.6.31-20
with
a MATSHITA DVD-RAM UJ-820S drive. It is solved (till the next reboot) by typing
sudo stop udev
sudo start udev
--
CD-ROM polling
Ok after upgrading to the latest kernel I notice slight drop in load
activity with udevd, but it is still too high - never below 0.6. Even
after restarting it makes no difference. My details are:
# uname -msrv
Linux 2.6.32-15-generic #22-Ubuntu SMP Tue Mar 2 02:23:29 UTC 2010 x86_64
# udevd
@Chase Douglas,
You are right, if the stop udev command is put into /etc/rc.local my usb
keyboard and mouse are not recognized at startup. However if I do not
have the stop udev command in /etc/rc.local and only run the stop
command after booting up and logging in with the usb keyboard and mouse
Don't kill udev - just restart it: sudo restart udev
For me and others - this cures the problem...
Scott
On Mon, Mar 1, 2010 at 5:07 PM, Mark Fernandes
commentedc...@gmail.comwrote:
@Chase Douglas,
You are right, if the stop udev command is put into /etc/rc.local my usb
keyboard and
@Mark Fernandes:
You would not see this in 9.04 because the utilities to manage the dvd
drive have changed between 9.10 and 10.04. The new method, through udev,
just needs to be updated to include support for disabling polling for
your series of dvd drive. That is what Martin Pitt has been
I found a temp fix for me. I had top showing the load in excess of 1.00
but after shutting down udevd the load has come down to 0.04. The way I
stopped it was:
service udev stop.
I am running Lucid Alpha on x86_64,
# uname -v
#20-Ubuntu SMP Sat Feb 20 05:18:19 UTC 2010
# udevd --version
151
Sorry I forgot to add:
# dmesg|grep DVD
[2.763607] ata2.00: ATAPI: Optiarc DVD RW AD-7560S, SX01, max UDMA/100,
ATAPI AN
[2.779568] scsi 1:0:0:0: CD-ROMOptiarc DVD RW AD-7560S SX01
PQ: 0 ANSI: 5
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CD-ROM polling on some Optiarc drives causes high CPU usage
@Mark Fernandes:
You definitely don't want to kill udev, especially in Lucid. Udev has a
key role: it monitors your hardware and enables you to use things as the
hardware changes. For example, when you plug in a usb device or insert a
dvd, gnome will pop up a dialog box asking you what you would
This bug was fixed in the package udisks - 1.0.0~git20100223.a38230-2
---
udisks (1.0.0~git20100223.a38230-2) experimental; urgency=low
* New upstream git snapshot:
- Add support for disable polling udev property. (LP: #379780)
- Rework partition table probing; In
** Branch linked: lp:ubuntu/udisks
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Sorry for stupid question!
The fix has already been released, but what to do with it?
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The real fix is not done at all.
Upstream udisks now has the possibility of adding an udev rule to
disable polling as a workaround. That didn't land in Ubuntu yet, though.
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** Changed in: udisks
Status: Confirmed = Fix Released
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** Summary changed:
- High cpu usage after upgrade to 141-1.1
+ CD-ROM polling on some Optiarc drives causes high CPU usage
** Package changed: devicekit-disks (Ubuntu) = udisks (Ubuntu)
** Project changed: devicekit = udisks
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CD-ROM polling on some Optiarc drives causes high CPU usage
I sent a proposed udisk patch upstream, waiting for an ack.
** Changed in: udisks (Ubuntu)
Status: Triaged = Fix Committed
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I committed the fix upstream now:
http://cgit.freedesktop.org/udisks/commit/?id=fb86ef144bad470b3d8ed761c7bdbe94886e5edd
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