** Changed in: kernel
Status: Confirmed => Expired
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Title:
systemd-udevd consumes 100% of CPU due to hid2hci udev rule from b
Finnally solved !
5.15 kernel and ubuntu 22.04 upgrade solved totally the issue for me.
I can enable my integrated Dell BT card again :)
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This bug was fixed in the package bluez - 5.48-0ubuntu3.2
---
bluez (5.48-0ubuntu3.2) bionic; urgency=medium
* d/p/lp1759836.patch: avoid endless udev events from new bind uevents
(LP: #1759836)
-- Dan Streetman Tue, 10 Sep 2019 17:25:22
-0400
** Changed in: bluez (Ubuntu B
thank you! marking as verified for bionic :)
** Tags removed: verification-needed verification-needed-bionic
** Tags added: verification-done verification-done-bionic
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https
Dan,
I can confirm that after enabling proposed for bionic and then issuing
the command which installs bluez/5.48-0ubuntu3.2
$ sudo apt-get install bluez/bionic-proposed
The issue has been fixed for me.
I have a Dell Latitude E5400.
Thanks,
David
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nobody who has been affected by this bug is able to test on Bionic?
@stan are you able to test using Bionic by any chance?
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Title:
** Tags added: ubuntu-certified
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Title:
systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez
Status in linux:
C
there's a lot of people subscribed to this bug, and presumably
interested in seeing it fixed on Bionic; can any of you please test with
the package from bionic-proposed and report the results? Until you do,
it's unlikely this fix will be released into bionic-updates.
See https://wiki.ubuntu.com/T
The verification of the Stable Release Update for bluez has completed
successfully and the package is now being released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report. In
the event that you encounter a re
This bug was fixed in the package bluez - 5.50-0ubuntu2.1
---
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* d/p/lp1759836.patch: avoid endless udev events from new bind uevents
(LP: #1759836)
-- Dan Streetman Tue, 10 Sep 2019 17:24:43
-0400
** Changed in: bluez (Ubuntu Di
@stan thanks for testing on Disco.
if anyone can please test the package on Bionic, that would be
appreciated, this fix won't be released until someone affected by this
problem tests the proposed fix and verifies it fixes it.
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** Tags removed: verification-needed-disco
** Tags added: verification-done-disco
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Title:
systemd-udevd consumes 100% of CPU due to
Works for me with 5.50-0ubuntu2.1 on an old dell.
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Title:
systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez
St
@yura9, @mauromol, or anyone experiencing this, if you are running
Bionic or Disco, can you please test with the 'bluez' package currently
in -proposed? See the previous 2 comments for instructions how.
This bug does need someone affected by this bug (i.e. with the affected
hardware) to verify it
Hello Vinícius, or anyone else affected,
Accepted bluez into bionic-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/bluez/5.48-0ubuntu3.2
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wi
Hello Vinícius, or anyone else affected,
Accepted bluez into disco-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/bluez/5.50-0ubuntu2.1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wik
** Description changed:
- The systemd-udevd proccess consumes 100% of a thread everytime, but i'm
- not noticing any difference in my computer.
+ [impact]
+
+ on specific Dell systems, with a specific usb bluetooth device built-in,
+ the udev rule 'hid2hci' provided by the 'bluez' package causes
This bug was fixed in the package bluez - 5.50-0ubuntu4
---
bluez (5.50-0ubuntu4) eoan; urgency=medium
* d/p/lp1759836.patch: avoid endless udev events from new bind uevents
(LP: #1759836)
-- Dan Streetman Tue, 10 Sep 2019 17:22:37
-0400
** Changed in: bluez (Ubuntu Eoan)
** Also affects: linux (Ubuntu Eoan)
Importance: Low
Status: Invalid
** Also affects: bluez (Ubuntu Eoan)
Importance: Medium
Assignee: Dan Streetman (ddstreet)
Status: In Progress
** Also affects: systemd (Ubuntu Eoan)
Importance: Undecided
Status: Invalid
** A
> Sorry for the late reply. Here comes the output:
> KERNEL[90619.640204] remove /module/nvidia (module)
> KERNEL[90619.696504] add /module/nvidia (module)
ok, your problem is that something is constantly adding and removing the
nvidia module (and, doing other related device processing). That has
** Summary changed:
- systemd-udevd consumes 100% of CPU
+ systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez
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Ti
Sorry for the late reply. Here comes the output:
KERNEL[90619.640204] remove /module/nvidia (module)
UDEV [90619.659490] add /kernel/slab/:0012288 (slab)
KERNEL[90619.696504] add /module/nvidia (module)
KERNEL[90619.697757] add /kernel/slab/:0012288 (slab)
KERNEL[90619.697792] add
> I tried your fix Dan and it seems not to work.
hmm, can you run this cmd and capture a bit of output to paste here? it
probably will generate a lot of output that repeats, so just pasting a
short bit of it should be enough:
$ sudo udevadm monitor
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** Changed in: bluez (Debian)
Status: Unknown => New
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Title:
systemd-udevd consumes 100% of CPU
Status in linux:
Confirmed
Hi
I tried your fix Dan and it seems not to work. I am running on popOs
19.04 (Dell latitude E6530 i7)
kernel vers: Linux 5.0.0-25-generic x86_64
$ sudo apt-cache policy bluez
bluez:
Installed: 5.50-0ubuntu2+bug1759836v20190827b1~disco
from top:
488 root 20 0 66264 51564 3208 R 1
> that is a fix for me
excellent, thanks. The patch there is the same idea as from comment 70, to
only process the hid2hci rules on 'add' action events. It's the same as was
proposed upstream:
https://lore.kernel.org/patchwork/patch/902126/#1138115
The only thing needed now before merging th
Great! Thank you, Dan, that is a fix for me.
My config:
Dell Studio 1558
Ubuntu MATE 18.04.3 LTS, Linux 5.0.0-25-generic x86_64
lsusb (partial):
Bus 001 Device 007: ID 413c:8160 Dell Computer Corp. Wireless 365 Bluetooth
Bus 001 Device 006: ID 413c:8162 Dell Computer Corp. Integrated Touchpad
[Sy
As many have commented, this is almost certainly a bug in the bluez udev
rule 'hid2hci', that is caused by the introduction of 'bind' and
'unbind' uevents.
Can anyone who can reproduce this bug test with the bluez package from this ppa:
https://launchpad.net/~ddstreet/+archive/ubuntu/lp1759836
--
** Changed in: systemd (Ubuntu)
Status: Confirmed => Invalid
** Changed in: bluez (Ubuntu)
Status: Invalid => Confirmed
** Changed in: bluez (Ubuntu)
Assignee: (unassigned) => Dan Streetman (ddstreet)
** Changed in: bluez (Ubuntu)
Status: Confirmed => In Progress
** Ch
Lenovo T510 with 4.18.0-25 is also effected, this strangely almost
freezes the GUI, despite that systemd-udevd only occupies one core
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Same problem here with Debian 10, Dell Inspiron 13 1370.
Workaround by Florian works for me too.
** Bug watch added: Debian Bug tracker #931304
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931304
** Also affects: bluez (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=9313
Ignore my previous two posts.
It's fixed. I uninstalled & reinstalled Nvidia driver related things
(which didn't really want to happen).
I don't know why it happened nor why it produced symptoms related to one
of the posts here (maybe just an unrelated coincidence?) nor why it
happened when I mov
'However, the message "Running in software rendering mode" and cpu use
may have gone down slightly but is still extremely high.' should have
been written as 'However, the message "Running in software rendering
mode" remains and cpu use may have gone down slightly but is still
extremely high.'.
--
OK, so this is annoying.
The background behind the report I made on 2018-07-03 (message #47) is
that I have had a Mint install on a desktop computer (fairly old
hardware) and that at some point I started to switch over to the Dell
Latitude E6400 laptop that I mentioned (just swap the hard drive, a
** Tags added: cscc
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Title:
systemd-udevd consumes 100% of CPU
Status in linux:
Confirmed
Status in The Ubuntu Power Consumption
Mortimer, it's still available at the Google cache:
https://webcache.googleusercontent.com/search?https://webcache.googleusercontent.com/search?q=cache:Ulh1YXwMuK8J:https://dev.getsol.us/T5224
It appears that the fix there addresses the same file and the same line
in that file. However, the lines
This is a problem for non-dell computers also.
18.04.2
kernel:
4.18.0-21
This link is down:
https://dev.solus-project.com/T5224
Was the workaround mentioned there different than the ones here?
-
Is there a bluetooth file that people can easily remove with Synaptic so
we don't have to tell the
This problem has been around for a long time and a lot of people have
struggled with it. You can find examples such as the following on quite
a few help sites, for example
https://askubuntu.com/questions/1028883/ubuntu-18-04-systemd-udevd-uses-
high-cpu-conflict-with-wifi
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I fix the problem with this approach:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1759836/comments/70
from "Florian Dittmer (fd81)"
"
Following the instructions mentioned by one user in the comments helped me to
solve the cpu load issue with udev-239 and kernel 4.18.17, while Blueto
These nerd-level suggestions all work but the root cause (the real
problem) is not solved and will pop up again. How is the non-nerd
supposed to do this? ...would you want your neighbor editing your system
files Someone needs to fix this permanently!
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I agree with you, its not the best solution. This bug impact many users!
At next release of this softwares this bug has to be fixed.
But I lost many days to fix this problem, and I'm sharing this 'hard approach'
at forums I had visited before. So other people do not waste so much time!
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I have the same problem, that John related.
I have dell n5010, with SSD. Run F30 and suffer to connect bluedio t4.
If I Uninstall the package bluez-hid2hci, the problem of boot cpu with
systemd-udevd dissappear. But at same time, I lost the connection of
bluetooth device.
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An update: The problem I reported in January went away on its own after
a few weeks of having the problem every single day when I booted each
morning. I was installing Ubuntu software updates when they became
available during that time. There is something going on during boot that
causes this probl
I'am not even able to install ubuntu 18.04 because of this, it keeps
printing the error message and it's stuck.
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Title:
systemd-udev
still no fix :(
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Title:
systemd-udevd consumes 100% of CPU
Status in linux:
Confirmed
Status in The Ubuntu Power Consumption Proj
I too can confirm that the solution Florian posted (modifying
/lib/udev/rules.d/97-hid2hci.rules) works.
Dell Latitude E6400, Ubuntu-Mate 18.04LTS with generic kernel (Linux
4.15.0-43-generic), udev/systemd version 237-3ubuntu10.11, bluez version
5.48-0ubuntu3.1
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BTW, add to my previous comment an additional symptom: sometimes my
system will "appear to hang" entirely during boot (but it will power
down normally by briefly touching the power off button when it "looks
like" it is stuck).
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When I boot up every day without exception, my machine starts up with
one of the CPU cores running at 100%. I see lots of posts on other
forums (Unbuntu etc) going back over a year or more blaming touchpads
or nvidia or WiFi. Some even say they can't use their thumb drive if it
isn't plugged in wh
I can confirm that the solution Florian posted (modifying
/lib/udev/rules.d/97-hid2hci.rules) works for me as well.
Dell Latitude E6500, Kubuntu 18.04 with hwe kernel (4.18.0-13-generic),
udev/systemd version 237-3ubuntu10.9, bluez version 5.48-0ubuntu3.1
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Command from Y S Gupta fixed to high cpu load for me.
As this is just a workaround. I suppose this bug should remain open.
Thanks for this, i can now reuse my bluetooth card.
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Florian,
So it works in udev-232 but not udev-233? Sounds like a regression.
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Title:
systemd-udevd consumes 100% of CPU
Status in l
i started this thread the day ubuntu 18 was released, I've tried the work
around. It solved my problem, so I want to thank the original solution
contributor (...forgot which email it was. Read it and implemented it a
while ago). but I also thank you Florian for the clear, concise, well
articulated,
Had the same problem on Dell Latitude E6400 laptop using Gentoo Linux
with udev versions newer than udev-233. Disabling Bluetooth in BIOS
solved the issue, however, I need bluetooth. Researching the web
resulted in this page:
https://askubuntu.com/questions/1028883/ubuntu-18-04-systemd-udevd-uses-
Can you try comment out this section helps:
ATTR{bInterfaceClass}=="03", ATTR{bInterfaceSubClass}=="01",
ATTR{bInterfaceProtocol}=="02", \
ATTRS{bDeviceClass}=="00", ATTRS{idVendor}=="413c",
ATTRS{bmAttributes}=="e0", \
RUN+="hid2hci --method=dell --devpath=%p", ENV{HID2HCI_SWITCH}="1"
and t
Installed latest v4.19.1 with the added kernel parameter
** Attachment added: "dmesg_4.19.1.txt"
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1759836/+attachment/5211268/+files/dmesg_4.19.1.txt
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Sounds like a kernel bug instead? Please boot with kernel parameter
`usbcore.dyndbg=+p` and attach dmesg.
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Title:
systemd-udevd cons
(In reply to Y S Gupta from comment #8)
Same here. I used the commands from Szymon to find out what was going on and
got the Synaptics Touchpad, too.
The workaround by Y S Gupta works like a charm. Put it in a startup
script and everything is ok. THANK YOU!
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Forgot the quotes around 'EOF', tested and it works for me.
Make sure you check if the service is enabled
Run the following commands:
---
cat<<'EOF'>bugfix-1759836.service
[Unit]
Description=Fix for
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1759836
[Service]
Type=oneshot
ExecStart=/
sudo systemctl stop systemd-udevd systemd-udevd-kernel.socket systemd-
udevd-control.socket
sudo systemctl start systemd-udevd systemd-udevd-kernel.socket systemd-
udevd-control.socket
Running this on startup seems to fix it.
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Reproduced on Dell Inspiron 13z / 1370. I can work around it by turning
off Bluetooth in BIOS.
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Title:
systemd-udevd consumes 100% o
Is this launchpad thing even working, how long does it take to fix a bug
around here ?
This is untested but should work, let me know.
Execute the following commands, it will create a file called
bugfix-1759836.service.
Copies it to /etc/systemd/system and enables it.
---
cat
I have the same problem on my old Dell Latitude E6400. Workaround at
post #55 fixes the problem until next reboot.
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Title:
systemd-u
Found this lkml thread for other issues related to this change. It seems
the effort to run it down fizzled. What would be the best way to tie
this to that to hopefully raise visibility / priority?
https://lkml.org/lkml/2018/4/6/221
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and here is the commit that adds these events that are causing us such
issues on the Dell hardware:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1455cf8dbfd06aa7651dcfccbadb7a093944ca65
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Still present in 4.19rc6, lets hope it gets fixed before 5.0.
If you guys want me to test things. Let me know.
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Title:
systemd-udevd
I've found that just sticking with kernel 4.13 has been working fine for
me. It works around this problem and for my use case hasn't had any
downsides.
On Sun, Sep 23, 2018 at 2:15 PM SB <1759...@bugs.launchpad.net> wrote:
> why is this still not fixed, it is quite a showstopper on dell systems
>
why is this still not fixed, it is quite a showstopper on dell systems
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Title:
systemd-udevd consumes 100% of CPU
Status in linux:
I also observed in my Dell laptop similar to Szymon that it relates to
Touchpad.
My workarounds-
Soon after booting, stopping and starting systed-udev eliminates all bind and
unbind problems and response drastically improves. I used the following
commands in sequence-
sudo systemctl stop system
I use ubuntu 18.04 with 4.15 kernel
I have hit the same problem, but with synaptics touchpad.
I have bisected 4.13-4.14 and the problem was in commit
1455cf8dbfd06aa7651dcfccbadb7a093944ca65 (as in the attached patch)
I am unable to use USB bus because udev is bogged down with these
bind/unbind e
But the directions mentioned elsewhere from https://dev.solus-
project.com/T5224 do work even thought they appear to break Bluetooth
(even with the updated instructions workaround mentioned in that
thread).
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Nope, getting rid of '/lib/udev/rules.d/71-nvidia.rules' does nothing.
It's a Mint 19 (Tara) with Cinnamon installation that I sometimes use on
a Dell E6400 which used to work well with it before with earlier
kernels.
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Vinícius Milanez Couto, in order to allow additional upstream mainline kernel
developers to examine the issue, at your earliest convenience, could you please
test the latest mainline kernel? Please keep in mind the following:
1) The one to test is in a folder at the very top of the page (not the
After some time CPU load grew to 100% again.
Have found another workaround which is working so far (disabling nvidia
rules for udev):
sudo mv /lib/udev/rules.d/71-nvidia.rules
/lib/udev/rules.d/71-nvidia.save
(and then restart).
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gaetan-quentin's workaround helped me for now:
systemctl stop systemd-udevd
sudo apt remove *nvidia-compute-utils*
systemctl start systemd-udevd
(Lenovo P51)
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Got the same problem on a Dell E6400 Laptop.
Systemd-udevd climbs to 100% cpu usage in minutes, making it verify
difficult and horrible to install, if one can manage to find the
patience, only to find out that this problem persists after the
installation.
I could install after:
systemctl disable
The issue also showed up with on my laptop. I was running Mint 19 (still
on the BETA) which is based on Bionic Beaver, kernel is
4.15.0-24-generic x86_64 bits with Cinnamon 3.8.6. I did try booting
with 4.15.0-22 and it made no difference (which, after reading the
comments here, I see is as expecte
I am having a similar problem after upgrading to 18.04 on a Dell
Precision M4600, with the following specs:
- Intel Core i7 2640M
- NVidia Quadro 2000M
I have disabled Bluetooth entirely, because I don't need it. But the
NVidia loading/unloading (add/remove) in udev keeps persisting. I can
disa
I have a same problem too. My system is too slow and so overheated.
My machine:
Ubuntu 18.04
Vostro 3500
Intel Core i5 540m
NVidia GT-310m
Please, help me!
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I had the same problem with 2 Dell of the year 2008
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Title:
systemd-udevd consumes 100% of CPU
Status in Bluez Utilities:
Confirm
Launchpad has imported 7 comments from the remote bug at
https://bugzilla.kernel.org/show_bug.cgi?id=199035.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
https://help
As per https://patchwork.kernel.org/patch/10384111/ message from Bluez
mailing list, editing 97-hid2hci.rules as follows works around the new
uevents added to the kernel in
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1455cf8dbfd06aa7651dcfccbadb7a093944ca65
-ACTIO
I had this problem with NVidia after I disabled nvidia card in BIOS.
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Title:
systemd-udevd consumes 100% of CPU
Status in Bluez Uti
Same problem with an old Dell Inspiron 1545 recently upgraded to Ubuntu
18.04 (4.15.0-22-generic). After disabling Bluetooth in the Bios and
removing package Bluez, system is usable again.
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on bionic, stopping udevd and starting it again correct the problem:
sudo systemctl stop systemd-udevd systemd-udevd-control.socket
systemd-udevd-kernel.socket
sudo systemctl start systemd-udevd systemd-udevd-control.socket
systemd-udevd-kernel.socket
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Removing the bluez package solves the problem for me. After that
bluetooth does not work, of course.
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Title:
systemd-udevd consumes
I tried it with mainline 4.16.12 and 4.17-rc7 on the Dell Latitude and
the problem still exists.
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Title:
systemd-udevd consumes 100%
And it seems to be fixed also in the current stable kernel, 4.16.11 .
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Title:
systemd-udevd consumes 100% of CPU
Status in Bluez Ut
FYI: running with the 4.17-rc6 release candidate of the new kernel from
https://wiki.ubuntu.com/Kernel/MainlineBuilds seems to have fixed the
issue for me.
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You need to actually downgrade your running kernel to 4.13. Just
downgrading the headers isn't enough.
QH
On Sat, May 26, 2018 at 1:22 PM, Jesse McNichol
wrote:
> Similar problem for me. Dell E6530, Ubuntu 18.04
>
> Downgraded to 4.13 headers as suggested above, disabled bluetooth in
> BIOS as
Similar problem for me. Dell E6530, Ubuntu 18.04
Downgraded to 4.13 headers as suggested above, disabled bluetooth in
BIOS as suggested by others. Neither workaround helped. Computer still
producing excess heat and systemd-udevd climbs to nearly 100% CPU usage
gradually from startup.
--
You rece
Interesting read. If they are adding Dell 'features' then maybe also my
built in webcam will one day work again as that also doesn't work.
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https://bugs.launchpad.net/bugs/175
It's a known kernel bug that Dell bluetooth is broken in kernels >=4.14,
so sticking with the old kernel that works for now.
Kernel bluetooth bug causes bluez 97-hid2hci.rules udev rule to fail.
systemd-udevd has always consumed 100% whenever a udev rule fails (could be
argued that's also a bug b
Just upgraded from kernel 4.15.0-20-generic => 4.15.0-22-generic - still
the same problem
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https://bugs.launchpad.net/bugs/1759836
Title:
systemd-udevd consumes 100% of
** Also affects: ubuntu-power-consumption
Importance: Undecided
Status: New
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Title:
systemd-udevd consumes 100% of CPU
St
I also faced the same issue and thanks to the Lumar's comment, workaround
mentioned in the link worked for me too:
https://dev.solus-project.com/T5224
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The bug is present on my system.
It was temporarily solved with workaround from
https://dev.solus-project.com/T5224, but I don't use Bluetooth and so don't
know if it is now working.
* Infos from uname
Linux 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:15:38 UTC 2018 i686 i686
i686 GNU/Linux
** Changed in: bluez (Ubuntu)
Status: Incomplete => Invalid
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Title:
systemd-udevd consumes 100% of CPU
Status in Bluez Utili
Forget last time to add some details about the problem with the new
kernel 4.15.0-20-generic versus 4.13.0-39-generic.
Kernel 4.15.0-20-generic
dell_smm-virtual-0
Adapter: Virtual device
Processor Fan: 4214 RPM
CPU: +70.0°C
SODIMM: +57.0°C
Other: +54.0°C
acpitz-virtual-0
Adapter: Virtual device
I am using Dell Inspiron 15R (N5010) and this bug affects my system as
described above. Waiting for the fix.
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Title:
systemd-udevd c
I have a Dell Inspiron N5010 laptop and this bug affected my system.
hope to fix the bug soon.
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Title:
systemd-udevd consumes 100% o
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