@markb, ok thanks
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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Title:
Thunderbolt Dock Loses Monitors
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@koba, sorry I use Arch, not Ubuntu/Debian.
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@markb,
would you please help to try 5.10-oem-1023 or 1025(Must enable proposed)
#sudo apt update
#sudo apt install linux-image-5.10.0-1023-oem linux-headers-5.10.0-1023-oem
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I should make it clear that you need the kernel and the updated BIOS and
dock firmware at or beyond the versions I state. All 3 are needed.
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I'm cc'd on this thread from a while ago when I was looking around for
solutions to the many issues that plagued my XPS 9300 laptop and my
WD19TB dock (same combination as OP here). I can state that with any
Linux kernel 5.10.16 or later, and XPS BIOS 1.5.0, and dock firmware
01.00.15.01, all
@rhpot1991,
would you please try 5.10-oem-1025 to check if the issue is gone?
Thanks
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I'll also note I'm problem free for a few days on 5.10.24-051024-generic
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https://www.dell.com/community/XPS/XPS-13-9300-and-WD19TB-linux-
problem/td-p/7644488/highlight/true/page/13
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@rhpot1991, would you please share the link about dell forums post?
thanks
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5.10.0-1011kgen9tgps3rsm-oem does not help. The system doesn't detect
the TB dock at all on one USB-C port. The other leads to the laptop
screen constantly turning off and on, and no connection to the TB
dock/monitor occuring.
Same results with 5.10.0-1016 in Feisty Fixes.
I see in the Dell
Hi, here's test kernel with the patch figureed out the suspend issue
against wd19tb.
https://drive.google.com/drive/folders/1-x2-IbsqcGJ_SICPyZuOXnplMKTUGWGu?usp=sharing
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See kernel log with the 5.10.0-4008-oem kernel. Didn't work with either
USB-C port.
** Attachment added: "kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5451633/+files/kern.log
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Is there a signed version of 5.10 oem available anywhere? I see
5.10.0-1008-oem available in Ubuntu sources, but the version you asked
for testing is 5.10.0-4008-oem.
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>From the Dell thread mentioned above, adding this to grub helps:
"mem_sleep_default=deep i915.enable_guc=2 i915.enable_dp_mst=0"
I'll test out the new kernel and get you feedback.
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＠rhpot1991, would you please try the 5.10-oem kernel?
there're some patches to resolve the tbt dock issue.
https://drive.google.com/drive/folders/1975W_7C6IJg9q_IDy08WrJYaIk_zfRp8?usp=sharing
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Another thing to note, when I get flickering monitor loss unplugging and
plugging in the dock seems to resolve. Same thing going on in the logs then:
[221027.376079] [drm:intel_fbc_enable [i915]] Enabling FBC on pipe A
[221027.387002] [drm:__intel_fbc_disable [i915]] Disabling FBC on pipe A
Have anyone tried KDE? I wonder if it's caused by how GNOME handles
DPMS/CRTC.
Use a live environment is sufficient.
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It looks like 5.6.0-1037.41 is on the PPA, is it worth trying that?
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I'm already on linux-oem-5.6-headers-5.6.0-1036 with the issue still
present. I recently upgraded to a Dell Ultrasharp 38" instead of my
double configuration, and the same issue occurs with USB-C connection in
this configuration.
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@rhpot1991,
Here you are:
https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/2020-11-30/amd64/
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Can you double check that URL? Doesn't seem to be working.
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@rhpot1991,
###Could you please help to try this!?
https://kernel.ubuntu.com//~kernel-ppa/mainline/drm-tip/current/amd64/
###And this
1. Please enable the proposed and sudo apt update.
2. sudo apt install linux-image-unsigned-5.6.0-1035-oem.
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And this
1. Please enable the proposed and sudo apt update.
2. sudo apt install linux-image-unsigned-5.6.0-1035-oem.
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@rhpot1991,
Could you please help to try this!?
https://kernel.ubuntu.com//~kernel-ppa/mainline/drm-tip/current/amd64/
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I have two monitors connected 1080p 60hz. I have tried with either HTMI
or DP, issue is present no matter the combination. I'll also note that
I lose my sound settings quite often and need to switch that back to
HDMI after any hiccups.
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I am the person who wrote the post on the Dell forums Vladimir is
referring to (and I have posted earlier here as above). Note that adding
i915.enable_dp_mst=0 doesn't just "sometimes resolve" the very frequent
blackouts, disconnects, and other problems I was seeing with my WD19TB
dock + XPS 13
@rhpot1991,
How many monitors are connected to the dock?
What are the maximum resolutions of those monitors connected to the dock?
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Just in case related thread on Dell forum
https://www.dell.com/community/XPS/XPS-13-9300-and-WD19TB-linux-
problem/td-p/7644488
and bug report
https://gitlab.freedesktop.org/drm/intel/-/issues/1453
It is interesting that disabling MST support in the kernel
(i915.enable_dp_mst=0)
Also additional note. According to the Dell thread, it seems that this
issue is easier to reproduce with higher bandwidth required. E.g. there
was a report that this issue could be reproduced with 1080p + 120 Hz
when it works fine with 1080p + 60 Hz.
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It definitely occurs with a fresh install (dell image). I received my
laptop and dock together, happened right out of the box.
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FYI the same lock screen bug and random dock disconnects etc occur on
Arch Linux as well. Using XPS 13 9300 + WD19TB + 2 by 2560x1440 DP
connected screens, GNOME 3.38, kernel 5.9, fwupd versions up to date.
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I tried that connect two monitors on wd19tb.
can't trigger the issue on my side.
Can you confirm is the issue be triggered after the fresh installation!?
Thanks your effort
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Happened out of the box from Dell, switching to 5.6 OEM didn't help. I
think part of the key here is the double monitor in the dock with the
laptop screen closed.
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yours is the same as mine.
Did you trigger the issue after the fresh installation?
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See attachment, everything is up to date according to fwupdmgr.
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** Attachment added: "current_firmware.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5421352/+files/current_firmware.txt
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@rhpot1991,
could you check the firmware version of wd19tb!?
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** Attachment added: "kernel_dump.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5420275/+files/kernel_dump.txt
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I'll also note that at one point in this log the dock lost my keyboard,
which needed to be unplugged and plugged back in.
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Took me a bit to reproduce again while logging:
1. Hit win+l to lock
2. Let monitors go to sleep (the longer the better, if I did this for a short
amount of time the system recovered)
3. Try to wake up with keyboard/mouse
4. Unlock screen is not prompted
5. Open laptop, find unlock screen there
@rhpot1991,
With xps 9300(icl), can't reproduce the issue.
I plug one monitor on wd19tb and disable the screen lock.
please enable the drm debug with drm.debug=0x1e.
reboot the machine and try reproduce it.
Then dump "journalctl -k -b"
Thanks
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ICL. Gen 10
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what cpu generation of xps 9300?
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The issue is still occurring.
Configuration - Laptop docked with screen closed, dual monitor on dock.
Linux unicron 5.6.0-1028-oem #28-Ubuntu SMP Tue Sep 8 13:34:39 UTC 2020 x86_64
x86_64 x86_64 GNU/Linux
I can reproduce it by doing the following:
1. Hit win+l to lock
2. Let monitors go to
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5414835/+files/dmesg
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@rhpot1991,
Have any feedback!?
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Installed, give me some time to do some tests and see if the issue is
fixed.
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@rhpot1991,
Would you please try oem5.6 again?! the new version is released.
#apt install linux-oem-5.6
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hi rhpot1991,
Would you please try oem5.6 again?! the new version is released.
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** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
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Back on 5.4.0-42-generic
I get random cut outs with this in dmesg:
[60008.139725] xhci_hcd :03:00.0: xHCI host controller not responding,
assume dead
[60008.158394] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR*
failed to get link status
Eventually the displays come back after
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => koba (kobako)
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I upgraded my kernel to 5.6.0-1020-oem in order to test. The issue is
better then, but not resolved. When using the lock screen one out of
the two monitors is lost.
This errors are in dmesg:
[257474.965612] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR*
failed to get link status
Some additional details: I'm using a Dell WD19TB dock.
The lock screen seems to be the tipping point, with that disabled I'm
able to continually use external monitors. If I hit win+l to lock then I
have to unplug the dock in order to get external monitors working again.
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