Does 2.1 addresses, in the mean time, the performance bug affecting
Thinkpads ?
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Title:
Performance workaround for Dell 7390 2-in-1
Public bug reported:
Ubuntu 20.04 up to date, gnome session, no extensions.
Dual FHD monitor setup : joined, monitor (2) on top of the laptop screen (1) :
|2|
---
|1|
When I hit Ctrl-Shift-PrintScreen to copy a part of the monitor (2), no
sound happens and the image copied gets the right coordina
I'm affected too (Ubuntu focal, kernel 5.4).
I found a simple workaround here using thermald :
https://forums.lenovo.com/t5/Other-Linux-Discussions/X1C6-T480s-low-cTDP-and-trip-temperature-in-Linux/m-p/4637873#M14378
helped from here :
https://github.com/intel/thermal_daemon/issues/215
It's just a
I understand that reverting to 21 can solve severe bugs, but since 21
reverting (experienced in Zesty with 164.1 and now in Artful with 165
versions of linux-firmware package) it seems that my connection is
sometimes poor (web pages loading hangs, e.g.). With 22 I do not see
such hangs or slowdowns
Solved upstream with kernel 4.11 RC1 from Ubuntu kernel archive.
I'm back to 4.23 W instead of 8.26 W in same power conditions.
I reach PC8 power state (powertop) instead of PC3.
Hope the APST Andy's patch (I guess it's the key ?) will be backported
soon to Zesty's kernel.
** Tags added: solved-
FYI i'm back to 4.23 W (that's damn good, TLP still used) with Ubuntu
4.11 RC1 kernel (including APST commit by default).
APST is the key for my problem, since I reach PC8 (powertop) at the same time.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1664602
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I know that my bugs seem to me more important than other people's bugs
because that's MY bugs :-) .
But *IMHO* this lack of NVMe power management (and consequently Skylake CPU low
power states usage) is critical since :
1) it voids a lot of power management efforts these last years in Ubuntu/Linu
** Tags removed: solved-upstream
** Tags added: kernel-fixed-upstream
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Title:
Using an NVMe drive causes huge power drain
Status in
I've tested it now and it seems to work flawlessly.
Power usage is very similar to 4.11 kernel.
It would be great to see your patches in Zesty.
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After some reasonable big time of use, I get (as far I noticed in user
interface or system journals) no errors and not any hang. I did not
notice any slowdown either.
Thanks a lot, my battery is smiling again.
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** Attachment removed: "AlsaInfo.txt"
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*
I hit this exact bug running Zesty, kernel 4.9 or 4.10 (or 4.8...).
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Title:
Skylake processor never reaches low power states on X1 C
Public bug reported:
PCIe NVMe drives are very common in new laptops. The Zesty's kernels (including
latest 4.10 rc8 from CKT PPA) does not support APST (autonomous power state
transitions). A patch does exist :
http://lists.infradead.org/pipermail/linux-nvme/2017-February/008051.html
https://gi
Related to :
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579917
(marked as invalid)
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Title:
Using an NVMe drive causes hug
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** Tags added: apport-collected
** Description changed:
PCIe NVMe drives are very common in new laptops. The Zesty's kernels
(including latest 4.10 rc8 from CKT PPA) does not support APST (autonomous
power state transitions). A patch does exist :
http://lists.infradead.o
apport information
** Attachment added: "CurrentDmesg.txt"
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** Attachment added: "WifiSyslog.txt"
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My Dell BIOS is up-to-date. The IMEI firmware is included in Dell's BIOS
updates, there is no separate package.
I'll try to check IMEI version anyway.
PS : I do use NVMe drive, before that my Skylake Xeon 1535M was eating
very few watts (~4.5W), now it's ~8.2W ; I don't know what to think
about t
I can confirm that lightdm+GnomeShell works without any Nvidia or Intel issue.
GDM fails.
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Title:
Ubuntu Gnome boots to black screen
A revert to v7 Intel driver has been committed in linux-firmware 127.2 ,
so I'll wait...
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Title:
8086:08b2 [Lenovo ThinkPad T440s] P
Apport collect to follow.
I did 8 measures of wifi speed (quite far from my router 2.4 GHz WPA2 AES) with
and without PM. I removed the best and the worst :
mean PM on : 418 ko/s
mean PM off : 562 ko/s
Sure it is much better than before (when I opened this bug) but not as
much as it should. Addi
apport information
** Attachment added: "BootDmesg.txt"
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Ti
apport information
** Tags added: apport-collected
** Description changed:
I get a new ThinkPad T440s with Intel 7260 ac wireless.
The dowload speed reachs an upper limit 400 kB/s instead of the normal
1500 kB/s I get with some other PC connected to my network. The speed
often slows d
apport information
** Attachment added: "CurrentDmesg.txt"
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no changes with 3.15 rc2.
+1 to Joel's message.
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Title:
8086:08b2 [Lenovo ThinkPad T440s] Power management causes Intel wifi
7260
(By far, I do not get any big difference between ping with and without
PM. Near by my router, 2.2 ms to 2.5 ms.)
I do not know if this problem occurs in prior releases. Never tested.
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** Tags added: kernel-bug-exists-upstream
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Title:
Power management causes Intel wifi 7260 slowness
Status in “linux” package in Ubu
Ok.
The latest 3.14 kernel speeds up my wifi connection but does not reach
the best value :
downloading far away from my router a file on a local-network hard drive :
- 3.13 with wifi power management : 60 ko/s
- 3.13 without PM : 360 ko/s
- 3.14 without PM : 500 ko/s
- saucy kernel on X220 (6230
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Power management causes Intel wifi 7260 slowness
Statu
I add that the connection runs at max speed at the beginning of data
transfer. After some dozens of seconds of data transfer the speed slows
down (e.g. where I am connected at the moment, with PM=on, it went from
1200 ko/s to 360 ko/s when running internet speed tests).
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I did not test another release on this laptop, only Trusty with 3.13 and
3.14rc6 kernels. A lot of people in forums complain about 7260 wifi card
(disconnections, slowness, choppy connection, bad range...), not only
using Linux. Maybe is it just firmware-related ?
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Same bug (same workarounds) on ThinkPad T440s with current Trusty.
** Tags added: trusty
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Title:
Regression in brightness control o
Still occurs running new 3.13.7 ubuntu kernel (containing some
iwlwifi/mac stuff).
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Title:
Power management causes Intel wifi 7260 s
I kept BGN mode for my router.
With latest :
3.13.0-20-generic #42-Ubuntu
I get max speed with PM off (somewhat far from my router) and half of it when
PM is on. So it is much better but the title of this bug remains open.
The iwlwifi/mac changes in 3.13.7 seem to partially work ?
I noticed that
** Package changed: ubuntu => linux-firmware (Ubuntu)
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Title:
Power management causes Intel wifi 7260 slowness
Status in “
Bug happens too with old v9 firmware :
23.214.9.0
from Debian Sid :
https://packages.debian.org/sid/firmware-iwlwifi
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Title:
OK, I got it.
It seems to me that the -8 version has uAPSD disabled. I don't know how to
check that.
In
/sys/module/iwlwifi/parameters
the uapsd_disable is set to N
but as far I can remember uAPSD was disabled when using -8 version because -8
driver was buggy. Is it a kernel stuff to disable it
Please note that I had to do the same uAPSD disabling in Windows 8/8.1 with
latest drivers via the W8's driver parameters window.
Reference (e.g.) :
https://communities.intel.com/message/265839#265839
from
https://communities.intel.com/thread/47983
** Description changed:
With power managemen
** Changed in: linux (Ubuntu)
Status: Expired => New
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Title:
8086:08b2 [Lenovo ThinkPad T440s] Power management causes Intel
I do reopen this bug as it is still alive.
I've just installed a wifi repeater, N mode, good connection to router
and signal emitting strength.
Tests with bandwith tests and dowloads of big files :
- windows 8 with uapsd off : 1,5 Mo/s
- ubuntu 14.10 kernel 3.16.0-25 or 26, driver 25.222.9.0 (
I do not have the time to do that now but i'll try in one week. Does
12.04.0 contain the 7260 firmware ? If not, what firmware should I use
for ?
I can quickly test some firmware with Utopic ?
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I quickly tested the dowload speed with :
kernel 3.18 rc7 from Ubuntu's kernel archive
iwlwifi 23.10.10 (for kernel>=3.17) firmware
power management not tweaked, i.e. it means ON
I've got NO speed issues with this config. Hope it helps.
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Ok, sure I forgot last night to do that.
So, with 3.18rc7 and Utopic's default firmware (25.222.9.0) there IS a
speed issue. It seems to me that the dowload speed is as bad as Utopic
with 3.16 kernel.
But unfortunately, the latest firmware (-10) cannot be loaded by 3.16
kernel...
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>From :
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1319630/comments/12
I tried to add :
options 11n_disable=8
in
/etc/modprobe.d/iwlwifi.conf
and it seems to allow full speed. I'll confirm this tweak with more
testing (ping, speed...) as soon as possible.
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The above tweak does not allow to recover full speed. Sorry, some tests
proved one more time that the only satisfatory workaround I found is to
disable power management.
** Description changed:
In Ubuntu Trusty (Gnome) with my ThinkPad T440s using Intel 7260 ac
wireless the download speed rea
I tried with :
iwlwifi-7260-ucode-22.24.8.0
and current Utopic's 3.16 kernel and I get full speed (with PM on, of course).
So, the current 25.222.9.0 firmware must be faulty.
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** Description changed:
In Ubuntu Trusty (Gnome) with my ThinkPad T440s using Intel 7260 ac
wireless the download speed reaches an upper limit 400 kB/s instead of
the normal 1500 kB/s I get with some other PC connected to my network.
The speed often slows down very very low, especially whe
I tested the -8 firmware which was in linux-firmware.
But anyway :
http://wireless.kernel.org/en/users/Drivers/iwlwifi?action=AttachFile&do=get&target=iwlwifi-7260-ucode-22.24.8.0.tgz
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Oops.
In my comment :
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1289961/comments/48
i say that I'm now using Utopic.
For sure I should have opened a new bug ? (Very sorry if it's the case.)
The Utopic's current linux-firmware 1.138 includes -7, -8 and -9
versions of iwlwifi's
Public bug reported:
I plug in HDMI through a mini DP adapter.
Thus I should see internal speakers and HDMI outputs in Gnome control center
but I can only see internal speakers.
It's clearly a kernel issue since switching back to 3.19.0-16 solves
this bug. I did no kernel tweaks. TLP is installe
apport information
** Tags added: apport-collected
** Description changed:
I plug in HDMI through a mini DP adapter.
Thus I should see internal speakers and HDMI outputs in Gnome control center
but I can only see internal speakers.
It's clearly a kernel issue since switching back to 3.
apport information
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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FYI there is *no* more issues with current Vivid (kernel 3.19,
firmwares 23.(11-13-15).10.0).
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Title:
8086:08b2 [Lenovo Th
I do not know if the issue still exists in Trusty LTS...
If so, it should be useful to backport a solution but I even do not know if it
is possible (last firmwares are 3.17+ compatible).
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Some adds, running Yakkety with official 367.44 driver :
* running Intel, select Nvidia, logout/login, login loop
* running Nvidia, select Intel, logout/login, login loop
* running A, select B, restart, Gnome starts normally
Maybe that some progress in my previous message were due to non-
unloadin
Still affects Yakkety with GS 3.20 packages. Same workaround works.
** Tags added: yakkety
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Title:
Ubuntu GNOME boots to black scre
Indeed, I get the same experience with Yakkety.
"Kinda funky" means, running my system, that Nvidia boots fine but Intel can
lead to a login loop (not reproduced) and surely to a Xorg crash (but only
Apport makes me knowing that there is one, except maybe the deactivation of
some Gnome shell's e
No issue for my X220 with Ubuntu 13.10 beta with 3.11.0-7 kernel.
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Title:
[raring] no ethernet with "auto" default power option with
I don't know if it is the right place to post that, but this kernel freezes GDM
(Ubuntu Gnome Wily).
Hard reboot needed.
Intel integrated GPU, FYI.
Previous kernel version *.-14.16 works without noticeable issues (for
me, as an end user).
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In Noble we have to wait for 2.5.6 because of:
https://github.com/intel/thermal_daemon/issues/428
** Bug watch added: github.com/intel/thermal_daemon/issues #428
https://github.com/intel/thermal_daemon/issues/428
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Package
Public bug reported:
Hi,
Lunar, 525.105.17
I get a very very very slow boot using dynamic graphics in my Lenovo Legion 5i
pro i7/3070 Ti.
Using discrete graphics is ok.
Using Nouveau with hybrid graphics is ok.
After some research, it seems the culprit is:
Failed to start systemd-backlight@ba
Public bug reported:
Hi,
Just got a Thinkpad with Realtek 8852a wifi card. I installed Impish daily
(kernel 5.13).
Not recognized.
The driver is natively present in firmware folder, /rtw89/rtw8852a_fw.bin .
But the kernel module is not loaded and in fact no module is loadable!
sudo modprobe rtw
apport information
** Tags added: apport-collected impish
** Description changed:
Hi,
Just got a Thinkpad with Realtek 8852a wifi card. I installed Impish daily
(kernel 5.13).
Not recognized.
The driver is natively present in firmware folder, /rtw89/rtw8852a_fw.bin .
But the ker
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1943817/+attachment/5525632/+files/IwConfig.txt
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https://bugs.launchpad.net/bugs/19
apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1943817/+attachment/5525635/+files/Lsusb.txt
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https://bugs.launchpad.net/bugs/1943817
apport information
** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1943817/+attachment/5525636/+files/Lsusb-t.txt
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https://bugs.launchpad.net/bugs/1943
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1943817/+attachment/5525639/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1943817/+attachment/5525631/+files/CurrentDmesg.txt
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https://bugs.launchpad.net
apport information
** Attachment added: "PaInfo.txt"
https://bugs.launchpad.net/bugs/1943817/+attachment/5525638/+files/PaInfo.txt
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https://bugs.launchpad.net/bugs/1943817
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