[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-05-11 Thread koba
@markb, ok thanks

** Changed in: linux (Ubuntu)
   Status: In Progress => Fix Committed

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-05-11 Thread markb
@koba, sorry I use Arch, not Ubuntu/Debian.

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Re: [Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-05-11 Thread koba
@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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-05-11 Thread markb
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-05-11 Thread markb
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 problems are fixed. I use that combo daily (although up
to kernel 5.12.2 now on Arch Linux) and never get any problem at all
which is surprising actually given how flaky it was beforehand. There
were a heap of i915 patches done in 5.10.15 which are required and then
1 more from 5.10.16 (Fix vswing programming for TBT) that is essential.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-05-10 Thread koba
@rhpot1991,
would you please try 5.10-oem-1025 to check if the issue is gone?
Thanks

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-03-22 Thread rhpot1991
I'll also note I'm problem free for a few days on 5.10.24-051024-generic

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-03-22 Thread rhpot1991
https://www.dell.com/community/XPS/XPS-13-9300-and-WD19TB-linux-
problem/td-p/7644488/highlight/true/page/13

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-03-21 Thread koba
@rhpot1991, would you please share the link about dell forums post?
thanks

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-03-19 Thread rhpot1991
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 forums reports that 5.10.16 and greater fix the
issues.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-01-31 Thread koba
Hi, here's test kernel with the patch figureed out the suspend&resume issue 
against wd19tb.
https://drive.google.com/drive/folders/1-x2-IbsqcGJ_SICPyZuOXnplMKTUGWGu?usp=sharing

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-01-10 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2021-01-10 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-12-29 Thread rhpot1991
>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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-12-22 Thread koba
@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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-12-14 Thread rhpot1991
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
[221027.387064] [drm:drm_atomic_state_default_clear [drm]] Clearing atomic 
state 665ad61a
[221027.387095] [drm:__drm_atomic_state_free [drm]] Freeing atomic state 
665ad61a
[221027.391513] [drm:drm_mode_addfb2 [drm]] [FB:252]
[221027.391551] [drm:drm_atomic_state_init [drm]] Allocated atomic state 
665ad61a
[221027.391579] [drm:drm_atomic_get_crtc_state [drm]] Added [CRTC:91:pipe A] 
2b78400a state to 665ad61a
[221027.391601] [drm:drm_atomic_get_plane_state [drm]] Added [PLANE:31:plane 
1A] 8e58a6fb state to 665ad61a
[221027.391623] [drm:drm_atomic_set_fb_for_plane [drm]] Set [FB:252] for 
[PLANE:31:plane 1A] state 8e58a6fb
[221027.391645] [drm:drm_atomic_check_only [drm]] checking 665ad61a
[221027.391764] [drm:intel_plane_atomic_calc_changes [i915]] [CRTC:91:pipe A] 
with [PLANE:31:plane 1A] visible 1 -> 1, off 0, on 0, ms 0
[221027.391841] [drm:intel_atomic_get_global_obj_state [i915]] Added new global 
object d2037ee9 state b32f3203 to 665ad61a
[221027.391870] [drm:drm_atomic_nonblocking_commit [drm]] committing 
665ad61a nonblocking
[221027.391994] [drm:intel_fbc_enable [i915]] reserved 49152000 bytes of 
contiguous stolen space for FBC, threshold: 1


I also have a corrupt cursor issue over time - I'll see if I can get a
photo of that.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-12-12 Thread Kai-Heng Feng
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-12-11 Thread rhpot1991
It looks like 5.6.0-1037.41 is on the PPA, is it worth trying that?

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-12-11 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-29 Thread Kent Lin
@rhpot1991,
Here you are:

https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/2020-11-30/amd64/

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-26 Thread rhpot1991
Can you double check that URL?  Doesn't seem to be working.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-19 Thread koba
@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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-19 Thread koba
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-19 Thread koba
@rhpot1991,
Could you please help to try this!?
https://kernel.ubuntu.com//~kernel-ppa/mainline/drm-tip/current/amd64/

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-09 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-02 Thread markb
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 9300, it completely resolves all of them! At least with my
configuration and versions as stated in that post
https://www.dell.com/community/XPS/XPS-13-9300-and-WD19TB-linux-
problem/m-p/7723066/highlight/true#M72030.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-02 Thread Kent Lin
@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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-02 Thread Vladimir Didenko
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)

https://www.dell.com/community/XPS/XPS-13-9300-and-WD19TB-linux-
problem/m-p/7723066/highlight/true#M72030

sometimes resolves the problem or at least makes the situation more
stable.

** Bug watch added: gitlab.freedesktop.org/drm/intel/-/issues #1453
   https://gitlab.freedesktop.org/drm/intel/-/issues/1453

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-11-02 Thread Vladimir Didenko
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-13 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-13 Thread markb
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-12 Thread koba
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-12 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-12 Thread koba
yours is the same as mine.
Did you trigger the issue after the fresh installation?

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-12 Thread rhpot1991
See attachment, everything is up to date according to fwupdmgr.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-12 Thread rhpot1991
** Attachment added: "current_firmware.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5421352/+files/current_firmware.txt

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-11 Thread koba
@rhpot1991,
could you check the firmware version of wd19tb!?

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-09 Thread rhpot1991
** Attachment added: "kernel_dump.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5420275/+files/kernel_dump.txt

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-09 Thread rhpot1991
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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-09 Thread rhpot1991
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
6. Now laptop screen is working and one of the monitors.  The other monitor is 
inaccessible

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-05 Thread koba
@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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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-05 Thread Kent Lin
ICL. Gen 10

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-10-05 Thread koba
what cpu generation  of xps 9300?

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-27 Thread rhpot1991
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 sleep
3. Try to wake up with keyboard/mouse
4. Unlock screen is not prompted, it seemingly shows up on the closed laptop.

See attached dmesg with errors.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-27 Thread rhpot1991
** Attachment added: "dmesg"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1889342/+attachment/5414835/+files/dmesg

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-27 Thread koba
@rhpot1991,
Have any feedback!?

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-22 Thread rhpot1991
Installed, give me some time to do some tests and see if the issue is
fixed.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-22 Thread koba
@rhpot1991,
Would you please try oem5.6 again?! the new version is released.
#apt install linux-oem-5.6

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-16 Thread koba
hi rhpot1991,
Would you please try oem5.6 again?! the new version is released.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-09-13 Thread koba
** Changed in: linux (Ubuntu)
   Status: Confirmed => In Progress

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-08-07 Thread rhpot1991
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 a few seconds.

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-08-02 Thread Kai-Heng Feng
** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => koba (kobako)

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-08-02 Thread rhpot1991
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
[257474.974761] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU 
pipe B FIFO underrun

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[Bug 1889342] Re: Thunderbolt Dock Loses Monitors

2020-07-28 Thread rhpot1991
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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