Tino Werth, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read the
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/1268659
Title:
8086:0166 [Lenovo G580 2189]
Rafał Ochmański, could you please test the latest upstream kernel available
(not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ?
It will allow additional upstream developers to examine the issue. Once you've
tested the upstream kernel, please comment on which kernel
OK - just a comment to say that recent updates fixed my framerate
problems and I am able to be productive using my Wacom Pro and
(K)ubuntu.
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Paolo Montrasio, thank you for your comment. So your hardware and problem may
be tracked, could you please file a new report with Ubuntu by executing the
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For more on this, please
Jens, OEMs in general do not provide a full, and transparent detail of what a
BIOS update would help address. So, if your IT department gave you some limp
noodle reason to deny you an update, it is just silly. With regards to the BIOS
update for your model, it notes verbatim:
This Bios Update
** Summary changed:
- [Toshiba Tecra R850-19Z] Screen brightness not changable via applet or
hotkeys in Ubuntu 12.04
+ [Toshiba Tecra R850-19Z PT525E] Screen brightness not changable via applet or
hotkeys in Ubuntu 12.04
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Charles Wright, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read
madvinegar, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read the
Jaime Pérez, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read
alperyilmaz, just to clarify your Bug Description, upon every fresh boot
the bluetooth is always soft blocked as per rfkill list?
** Description changed:
- This test was requested by developers as a followup to
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1260825
-
- The bug was filed
Shriramana Sharma, please execute the following in a terminal:
apport-collect 1255428
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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I have exactly the same issue on Ubuntu 14.04 with an T440s which makes
its display connection via the docking stations Display Port.
After I patched the Kernel with Stefan Agners link-train-delay.patch and
now it works reasonably well, the time it takes to make the display
connection for me is
Created attachment 93841
dmesg 3.13 with attachment/patch 93781 - boot with DP connected
Boot a kernel v3.13 with attachment 93781 in docking station with DP
connected.
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Created attachment 93781
drm/i915/dp: add max retries in native aux
Please try this for debug info.
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Title:
Lenovo T440s freezes
I tried applying the patch ([PATCH]HDMI connection via dock works with
some (random) delay:
https://bugs.freedesktop.org/attachment.cgi?id=93653) against a 3.13
kernel, and it makes things **worse** on my T540p. With the 3.13
kernel w/o the patch, I can boot and start up the X server w/o
(In reply to comment #109)
Created attachment 93781 [details] [review]
drm/i915/dp: add max retries in native aux
Please try this for debug info.
Hardware:
- ThinkPad T540p
- ThinkPad Pro Dock [40A1] (with DP, DVI, VGA)
- Dell U2410
Tests:
- boot without any connectors: hotplugging of all
Created attachment 94007
dmesg with patch applied, old firmware
I applied the patch on the FC20 3.12 kernel and although there was no
freeze, I got some scary error messages in my kernel logs. See attached
output. This is a Lenovo W540 laptop running Fedora 20 with the latest
laptop BIOS, but the
Created attachment 93842
dmesg 3.13 with attachment/patch 93781 - hotplug DP
Boot a kernel v3.13 with attachment 93781 in docking station and hotplug
DP.
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(In reply to comment #129)
It seems the hang is resolved with the dock firmware update (2.17) provided
by Lenovo. As far as I am concerned I think this bug can be closed.
From the kernel perspective it's fixed when we don't freeze the machine
even when a dock with buggy firmware is connected,
Jani, for the record, I did my tests with your two patches before I
updated the dock firmware, and it definitely did make the hangs go away
--- and as I mentioned, I was even able to connect to an external Dell
LCD panel using DP without any problems (although the too many retries
debug message
(In reply to comment #132)
I have got the following devices:
* T440s (Kernel 3.13.2)
* Dock (fw2.10)
* Dock (fw2.17)
If I can provide additional logs, please give me infos on which scenarios
(/patches).
Apply the patches from this thread:
Just installed this new Firmware (which claims to be Version 2.17). It
certainly improves situation, I get output on my HDMI monitor with an
unpatched kernel:
However, I still get
[drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
I also get a mirrored output on VGA, however
Created attachment 93905
dmesg-debug-3.12.7-with-dock-firmware-2.17.txt
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Title:
Lenovo T440s freezes when connected to docking
(In reply to comment #138)
When I plug in an external monitor, xranrd shows it as connected
to DP2, regardless of whether it's connected to DP1, DP2, DVI or HDMI.
From how I understand it, this is because all the display connectors are
provided through a DP MST hub that is working in the dock.
(In reply to comment #111)
Tests:
- boot without any connectors: hotplugging of all connectors works
- boot once with each connector: works
dmesg logs for both tests (with DP) following ...
Thanks, the logs confirm we are indeed receiving plenty of aux defer
replies from the sink. I sent
(In reply to comment #131)
From the kernel perspective it's fixed when we don't freeze the machine even
when a dock with buggy firmware is connected, which is what my patches fix.
Plus we need to follow-up on comment #125.
Jani, my earlier comment was a false alarm. My apologies. I confirm
This post http://forums.lenovo.com/t5/T400-T500-and-newer-T-series
/T540p-T440p-UltraDock-external-display-
issues/m-p/1428373/highlight/true#M92038 suggests that there is a
problem with the Thinkpad dock's firmware.
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I tried applying the two patches which you posted on intel-gfx[1],
ported to 3.13.
[1]
http://article.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/33737
Using a T540p and an Ultradock, connected to a Dell U2410 via a
DisplayPort cable --- and it worked! Not only were there no hangs, but
(In reply to comment #124)
There seems to be still a problem enumerating the devices connected to the
DP hub
We currently do not support MST (multistream) DP branch devices. If it
works for multiple monitors, great, but it's more or less by accident.
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It looks like MST is required to drive 4k monitors
read here: http://askubuntu.com/questions/369946/displayport-1-2-mst-
daisy-chain-dual-monitor-setup-intel-graphics
If this is true i think it will be implemented soon. Does anybody know
if there is still work for MSt support? i can't find
(In reply to comment #117)
That is beta firmware.
The Lenovo guy in there said final firmware would likely be released next
week.
And I asked for a bootable CD update, and other people did so as well.
The Lenovo guy in there said he'd pass on the request for a bootable CD
update.
Are you
(In reply to comment #122)
I also get a mirrored output on VGA, however I could not extend to that
adapter. (it seems to be a hardware mirror, I only see one external display,
DP2, in XrandR...)
Same here. Switching to one external DP display now works like a charm.
Gets identified as DP2 in
That is beta firmware.
The Lenovo guy in there said final firmware would likely be released next week.
And I asked for a bootable CD update, and other people did so as well.
The Lenovo guy in there said he'd pass on the request for a bootable CD update.
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(In reply to comment #125)
(In reply to comment #115)
I tried applying the two patches which you posted on intel-gfx[1], ported to
3.13.
[1] http://article.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/33737
Using a T540p and an Ultradock, connected to a Dell U2410 via a
(In reply to comment #128)
(In reply to comment #124)
There seems to be still a problem enumerating the devices connected to the
DP hub
We currently do not support MST (multistream) DP branch devices. If it works
for multiple monitors, great, but it's more or less by accident.
Thank you
(In reply to comment #131)
(In reply to comment #129)
It seems the hang is resolved with the dock firmware update (2.17) provided
by Lenovo. As far as I am concerned I think this bug can be closed.
From the kernel perspective it's fixed when we don't freeze the machine even
when a dock
(In reply to comment #133)
(In reply to comment #132)
I have got the following devices:
* T440s (Kernel 3.13.2)
* Dock (fw2.10)
* Dock (fw2.17)
If I can provide additional logs, please give me infos on which scenarios
(/patches).
Apply the patches from this thread:
(In reply to comment #125)
These patches did not work for me with my T440s. During bootup it hangs
upon switch to FB. Once booted undocked, it hangs when docked and external
monitor is enabled through xrandr.
Dmesg with drm.debug=0xe please.
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(In reply to comment #120)
Are you sure it is still a beta version? It doesn't say so on the official
page:
http://support.lenovo.com/en_US/detail.page?DocID=HT081248
Ah ok, it appears I misunderstood.
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Lenovo has released a firmware update for the docking station.
Please see:
http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T540p-T440p-UltraDock-external-display-issues/td-p/1368847/highlight/true/page/14
Firmware update:
(In reply to comment #118)
Just installed the firmware update. Now dock shows firmware version 2.17.
Firmware update utility required Intel display-driver installed on my
Windows 8.1 installation, otherwise it was unable to update to detect the
DP-hub.
It also required a least one display
Created attachment 93971
dmesg-jani-patches-docked.txt
dmesg output from drm module with changes proposed by Jani while the
computer was booted while docked.
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Thanks everyone for reporting this and testing patches, fix is now on
track for 3.14 and stable kernels:
commit 2f589112609b0a964b3d78c99c0f3a83ac16add6
Author: Jani Nikula jani.nik...@intel.com
Date: Tue Feb 11 11:52:05 2014 +0200
drm/i915/dp: add native aux defer retry limit
--
You
(In reply to comment #115)
I tried applying the two patches which you posted on intel-gfx[1], ported to
3.13.
[1] http://article.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/33737
Using a T540p and an Ultradock, connected to a Dell U2410 via a DisplayPort
cable --- and it worked!
I have a W540 that also freezes when trying to use DP, with the
difference that I don't see any oops or error message in neither the
kernel logs, nor the X logs. When I plug in an external monitor, xranrd
shows it as connected to DP2, regardless of whether it's connected to
DP1, DP2, DVI or HDMI.
Created attachment 93972
dmesg-jani-patches-undocked.txt
dmesg output from drm module with changes proposed by Jani while the
computer was booted while undocked. The computer is then docked and the
display spilt using xrandr.
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(In reply to comment #114)
Thanks, the logs confirm we are indeed receiving plenty of aux defer replies
from the sink. I sent the patches to the list [1], on top of
drm-intel-nightly (3.13 requires trivial backporting). I'm not too
optimistic about them fixing the actual output, just the hang.
I don't know. So without MST support there will be no way to connect
more than one monitor to the dock?
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Title:
Lenovo T440s
(In reply to comment #124)
(In reply to comment #122)
I also get a mirrored output on VGA, however I could not extend to that
adapter. (it seems to be a hardware mirror, I only see one external display,
DP2, in XrandR...)
Same here. Switching to one external DP display now works like a
(In reply to comment #117)
That is beta firmware.
The Lenovo guy in there said final firmware would likely be released next
week.
And I asked for a bootable CD update, and other people did so as well.
The Lenovo guy in there said he'd pass on the request for a bootable CD
update.
Just
(In reply to comment #135)
Many thanks for working on this issue, and I agree that the kernel should
not be hanging even if the dock is buggy. I have two Ultradocks (one at
work and one at home) --- would it be helpful if I keep one unupgraded for
Me too.
I can help as well.
now? From
Is MST actually required for 4K / 60Hz monitors, or is HBR2 / DP 1.2
sufficient? (My understanding is that Intel Linux drivers already
support HBR2)
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eros2, thank you for your comment. So your hardware and problem may be tracked,
could you please file a new report with Ubuntu by executing the following in a
terminal while booted into a Ubuntu repository kernel (not a mainline one) via:
ubuntu-bug linux
For more on this, please read the
Ellis Michael, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report by executing the following in a
terminal:
ubuntu-bug xorg
Please ensure you have xdiagnose installed, and that you click the Yes
button for attaching additional debugging
Hello Bib,
Sorry I don't have access to this system currently,
will test again with 12.04.4 later
** Changed in: linux (Ubuntu)
Status: Expired = Confirmed
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** Changed in: linux
Status: Incomplete = Fix Released
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Title:
Lenovo T440s freezes when connected to docking station
** Description changed:
Fn F5 should toggle wireless on Fujitsu Lifebook AH532 and LED
indicator should be on/off accordingly. Nothing happens when I press Fn
F5 with the newest Ubuntu 13.04 amd64 and the Wireless LED indicator is
always off. It works fine in Ubuntu 12.04.2 (with 3.5.0
Burkhard Arenfeld, given rfcomm is provided by bluez, and this would
appear not to be a kernel bug, sending to them for review.
** Package changed: linux (Ubuntu) = bluez (Ubuntu)
** Changed in: bluez (Ubuntu)
Importance: Low = Undecided
** Changed in: bluez (Ubuntu)
Status:
Markus Warken, did this problem not occur in a release prior to Saucy?
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Title:
[Fujitsu LIFEBOOK AH544] Touchpad not found
Status
** Summary changed:
- Unexpected crash in commandline mode Ubuntu 12.10 (initctl: Event failed)
+ [Gigabyte H87-HD3] Unexpected crash in commandline mode Ubuntu 12.10
(initctl: Event failed)
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Christian Mayle, thank you for your comment. So your hardware and problem may
be tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please
This bug can't be fixed in Raring. As the feature is also available in
the 12.04.4, users can upgrade their kernel to use the feature.
** Changed in: linux-lts-raring (Ubuntu)
Status: New = Won't Fix
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** Changed in: linux-lts-raring (Ubuntu Precise)
Status: New = Won't Fix
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https://bugs.launchpad.net/bugs/1091125
Title:
Unable to hotplug ExpressCard on 12.04.3
** Also affects: bcmwl (Ubuntu)
Importance: Undecided
Status: New
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Title:
kernel panic when inserting wl.ko for Broadcom
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