Thanks for tipping me off. Support for 5.x kernels was added in
390.>=116 (legacy branch) and the 418.>=43 (bleeding edge) drivers, but
not to the current stable or any other branch, so it was failing for me.
Mainline 5.0.8 with 418.56 also works fine, so it's "just" the LTS
kernel branches that
No, my integrated MX150 with Nvidia driver 390.116 is working fine with
5.0.7. I'm using Ubuntu 18.10.
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Title:
TB16 dock freezes X
Updating to 5.0.x does not fix it; it disables the nvidia driver because
that kernel version is not supported in non-bleeding edge drivers yet.
If you update to 5.0.x you will end up with nouveau/intel, depending on
your blacklisting setup.
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I can confirm the issue is fixed for me after upgrading to Kernel 5.0.7
from 4.18.0-17
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Title:
TB16 dock freezes X on hotplug when
Started seeing this again on nvidia-396.54 with 4.18.0-16 and 4.18.0-17,
possibly 4.18.0-15 - I don't recall having hot-plugged it on -15.
It's worse now as the system never recovers any of the displays after
hot-plugging and even after removing the dock following a hot-plug the
built-in laptop
another datapoint: kernel 5.0.4 from UKUU doesn't show the issue.
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Title:
TB16 dock freezes X on hotplug when used with external
I tried the latest kernel on 18.10 but still see the issue: 4.18.0-17.
Dell Precision 5530, Intel+NVIDIA graphics with Intel graphics selected.
I'm also using the workaround from
https://bugs.freedesktop.org/show_bug.cgi?id=109675, which prevents the
screen from "shuffling" back and forth after
The problem still persists for me with Kernel 4.18.0-15-generic on
Ubuntu 18.10.
I'm using a Lenovo Thinkpad T480 with a Nvidia MX150.
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@Slava, this ticket was specifically related to issues when using nvidia
drivers on machines with nvidia GPUs. If you are experiencing this on an
Intel-only machine, please raise a new one.
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As I said, I was still experiencing this issue on 4.18.0-14-generic.
However, my laptop doesn't use Nvidia graphics; it's running on the
Intel UHD 620.
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We've reached February now and HWE kernel on 18.04.1 (4.18.0-14-generic)
with nvidia-390.77 works fine, no need for running mainline through
Ukuu.
** Changed in: dell-sputnik
Status: New => Fix Released
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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I'm also experiencing this issue on a Thinkpad T480 (20L5) connecting to
a ThinkPad Thunderbolt 3 Dock. It worked fine on Ubuntu 18.04 LTS until
about a week ago, when I started experiencing this issue and the bug in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813663 more or
less
Following kernel seems to fix the issue (running on 18.10 with kernel
installed by UKUU):
4.20.0-042000-generic #201812232030 SMP Mon Dec 24 01:32:58 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
I still see one or two of these errors when hotplugging but the others
are gone and the external screen
Still seems to be an issue; I tried 4.18.16 on 18.10 and it didn't help
(nor did the most recent 4.19 kernel in UKUU).
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Title:
TB16
No problem,
the just come alonge with each other...so DP idle in dmesg and "change
/devices/pci:00/:00:02.0/drm/card0" with "$ udevadm monitor"
I think it has something to do with the add and remove of additional DP4
to DP6 connectors (udev reports this). This seems to trigger something
@Christoph,
Your previous post referred to a different error. If i915 drm errors are
what you are actually getting please ignore me :)
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Hi Georgi
mhh strange as it has the same steps to reproduce and covers the dmesg with the
same messages:
[ 1294.752820] [drm:intel_ddi_prepare_link_retrain [i915]] *ERROR* Timeout
waiting for DDI BUF B idle bit
[ 1294.880066] [drm:intel_dp_start_link_train [i915]] *ERROR* Timed out waiting
for
Small addition:
Also with mentioned Kernel 4.18.16-041816-generic getting the same result,
maybe even more often. And also while plugin dock. But that may also happen
with 4.18.10.
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@Christoph,
That looks like an entirely different issue with different errors. You
should create a separate bug report for it.
** Tags added: bionic
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I tried Piotr's setup and it worked only sometimes:
- Ubuntu 18.10 default install
- Kernel 4.18.10
- Dell Precision 5530 (similar XPS 15 9570)
The Xorg freezes with udev spamming following message when i remove the dock:
KERNEL[1058.705239] change /devices/pci:00/:00:02.0/drm/card0
I can confirm this is fixed on the combination of:
- mainline kernel 4.18.16
- installed on 18.04 LTS via UKUU
- running nvidia 390.77
The issue still occurs on 4.15.0-36, which is the latest kernel
available in Bionic repositories. We won't be getting a "clean" 4.18
until HWE update in
Thanks for your update!
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Title:
TB16 dock freezes X on hotplug when used with external displays
Status in Dell Sputnik:
New
Looks like it got solved at least for me on recent Ubuntu 18.10 with the
official kernel. Looks like now hotplugging Dell TB16 dock works fine on
Precision 5520.
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I have the same issue. Tried today on daily Ubuntu 18.10 build run from live
USB.
The system boots fine or resumes fine with tb16 sick attached. It also survives
disconnecting the dock.
But it does not survive hotplugging the dock - I get a freeze where I
can only move the mouse pointer, but
Different monitors used in #26, same monitors in all other cases.
Hopefully Bionic installer will be fixed in the .4 release and I will be
able to try it out.
Possibly helpful: I was trying out 4.15 kernels from xenial-proposed for
another ticket and the issue remains the same on 4.15. nVidia
Have the two external monitors remained the same during your different
setups?
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Title:
TB16 dock freezes X on hotplug when used
I did some additional testing to see if this is thunderbolt in general
or just the TB16. The issue does not occur when using external monitors
via HDMI + thunderbolt-to-HDMI connections directly on the laptop. It
looks like the issue is indeed specific to TB16.
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Spent this evening attempting to get Bionic to work with no success. The
installer crashes halfway (#1752535) so the only way to test is was to
hotswap nouveau for nvidia while running in a textmode VT from a
LiveUSB. To this end, prime-select is not working on Bionic, showing
"unknown" on "query"
5520 native resolution is 2160p, 9560 is 1080p. Both are configured to
run 1080p through GNOME settings.
I will try out Bionic tonight or latest Monday - don't have it at hand
at the moment.
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Can you try latest Bionic Daily image?
Also, do your Precision 5520 and XPS 15 9560 have the same display
resolution?
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Title:
TB16
Tested this on XPS 15 9560 (GTX 1050) and it does not have this problem,
hotplugging works fine on it. I was using this very setup - just plugged
the thunderbolt cable into a different laptop. Exact same drivers and
the same linux-firmware package from upstream (1.170) that I have
installed for
apport information
** Tags added: apport-collected
** Description changed:
Precision 5520 with Quadro GPU. Latest Ubuntu 16.04, kernel Linux
REDACTED 4.13.0-36-generic #40~16.04.1-Ubuntu SMP Fri Feb 16 23:25:58
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux, latest BIOS 1.7.0 released
lsbusb output
** Attachment added: "lsbusb output"
https://bugs.launchpad.net/dell-sputnik/+bug/1752165/+attachment/5064754/+files/lsusb.log
** Description changed:
- Precision 5520 with Quadro GPU. Latest Ubuntu 16.04, latest BIOS 1.7. If
- it can be of any help, I can get this tested on
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