[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

** Changed in: kernel Status: Confirmed => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez To

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

thank you! marking as verified for bionic :) ** Tags removed: verification-needed verification-needed-bionic ** Tags added: verification-done verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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 -- You received this bug notification

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

** Tags added: ubuntu-certified -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez To manage notifications about

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

This bug was fixed in the package bluez - 5.50-0ubuntu2.1 --- bluez (5.50-0ubuntu2.1) disco; urgency=medium * 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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

@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. -- You received this bug notification because you are a member of

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU due to hid2hci udev

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

Works for me with 5.50-0ubuntu2.1 on an old dell. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez To manage

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

@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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

** 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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

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)

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

** 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 **

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

> 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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez

** Summary changed: - systemd-udevd consumes 100% of CPU + systemd-udevd consumes 100% of CPU due to hid2hci udev rule from bluez -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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]

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

> 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 -- You received this bug notification

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

** Changed in: bluez (Debian) Status: Unknown => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about this bug

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

> 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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

** 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 **

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Lenovo T510 with 4.18.0-25 is also effected, this strangely almost freezes the GUI, despite that systemd-udevd only occupies one core -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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,

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

'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.'. --

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

** Tags added: cscc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about this bug go to:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I'am not even able to install ubuntu 18.04 because of this, it keeps printing the error message and it's stuck. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

still no fix :( -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about this bug go to:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug notification

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Florian, So it works in udev-232 but not udev-233? Sounds like a regression. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Sounds like a kernel bug instead? Please boot with kernel parameter `usbcore.dyndbg=+p` and attach dmesg. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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. -- You received this bug notification because you are a member of

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Reproduced on Dell Inspiron 13z / 1370. I can work around it by turning off Bluetooth in BIOS. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I have the same problem on my old Dell Latitude E6400. Workaround at post #55 fixes the problem until next reboot. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug notification because you are a member

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug notification because you are a member of Ubuntu

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Still present in 4.19rc6, lets hope it gets fixed before 5.0. If you guys want me to test things. Let me know. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes

Re: [Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

why is this still not fixed, it is quite a showstopper on dell systems -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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). -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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. -- You received this bug notification because you are a member of Ubuntu

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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). -- You received this bug notification because you are a member

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

gaetan-quentin's workaround helped me for now: systemctl stop systemd-udevd sudo apt remove *nvidia-compute-utils* systemctl start systemd-udevd (Lenovo P51) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I had the same problem with 2 Dell of the year 2008 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about this bug go to:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I had this problem with NVidia after I disabled nvidia card in BIOS. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug notification

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Removing the bluez package solves the problem for me. After that bluetooth does not work, of course. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I tried it with mainline 4.16.12 and 4.17-rc7 on the Dell Latitude and the problem still exists. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

And it seems to be fixed also in the current stable kernel, 4.16.11 . -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

Re: [Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Just upgraded from kernel 4.15.0-20-generic => 4.15.0-22-generic - still the same problem -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

** Also affects: ubuntu-power-consumption Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

** Changed in: bluez (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

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

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I am using Dell Inspiron 15R (N5010) and this bug affects my system as described above. Waiting for the fix. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100%

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I have a Dell Inspiron N5010 laptop and this bug affected my system. hope to fix the bug soon. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I noticed this problem because my wireles KB/Mouse combo became nearly unusable after upgrading from 17.10 to 18.04. I'm seeing the high CPU consumption as reported above and the dell HID messages as reported above. Also, if I unplug the transceiver for my KB/Mouse it stops working until I reboot.

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Adding some information in case it's useful. Old - but still useful - Intel Core 2 laptop with discrete Mobility Radeon GPU. I had nvidia packages installed for development purposes years ago, but don't really use them any more. After the upgrade from 17.10 to 18.04 (only performed 2018-05-12,

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Please help this makes my laptop completely usless -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about this bug go to:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Also have Dell Inspiron N5010 systemd-udevd taking up 100% of processor System is overheating ran strace -fvvp pid and get this info repeating endlessly epoll_wait(10, [{EPOLLIN, {u32=445921552, u64=94798964078864}}, {EPOLLIN, {u32=445707360, u64=94798963864672}}, {EPOLLIN, {u32=445832272,

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Happening here on a Dell Latitude E5500 $ top PID USER PR NIVIRTRESSHR S %CPU %MEM TIME+ COMMAND 380 root 20 0 110872 69188 3232 R 88.9 1.7 0:43.18 systemd-udevd 392 root 20 0 45872 6488 5320 R 22.2 0.2

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Same here, problem started after I upgraded from Ubuntu 17.10 -> 18.04 on my Dell Latitude E6500 laptop. In Ubuntu 18.04 I used 4.15.0-20-generic, now I use 4.13.0-39-generic and now temperatures are normal again. -- You received this bug notification because you are a member of Ubuntu Bugs,

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Hit this problem after updated Ubuntu 17.10 -> 18.04 on my old Dell Latitude E6400 laptop. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Is there reason to believe that bluez (the bluetoothd process) is involved here? If the problem is low-level bluetooth then the correct package to log that against is 'linux'. ** Changed in: bluez (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

Also reported on Solus [https://dev.solus-project.com/T5224], Manjaro [https://forum.manjaro.org/t/high-cpu-usage-on-kernel-4-14-and-4-15 -from-systemd-udevd-which-seems-to-be-the-synaptic-touchpad- driver/35972] and Gentoo (on the Manjaro page). -- You received this bug notification because you

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

** Bug watch added: Linux Kernel Bug Tracker #199035 https://bugzilla.kernel.org/show_bug.cgi?id=199035 ** Also affects: kernel via https://bugzilla.kernel.org/show_bug.cgi?id=199035 Importance: Unknown Status: Unknown ** Also affects: bluez via

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

i have: - stopped systemd-udevd - uninstalled nvidia-compute-utils-396 - started systemd-udevd it s ok now -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

and cannot disable nvidia-persistenced.service: systemctl disable nvidia-persistenced.service -> wait a lng time and still here -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title:

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

on official bionic , upgraded from artful: systemd-udevd eats lot cpu , trying to repeatly modprobe nvidia indefinitly , while it is not install in this computer : it is on a usb bootable ssd disk. i boot it on several computers, some have nvidia, some have not. it was working fine with

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I use Dell Inspiron 1545 with Intel® Core™2 Duo CPU P8700 @ 2.53GHz × 2 If I use kernel shipped with 18.04, I get 100% cpu problem. If I user kernel 4.14 I get Kernel Panic on system boot up. After change Kernel to 4.13.x (shipped with ubuntu 17.10) I get my system back. Know all is working

[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

I do see those messages - it's an older Dell Latitude. I also tried booting with the kernel shipped with 17.10 and the problem doesn't exist there. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

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