The options that are missing to me are the options on the indicator-
cpufreq (and on /sys, of course). Using the 6.5 kernel, the only
available options are "Desempenho" (Performance) and "Economia de
Energia" (Powersave) and they don't seem to work at all.
Using the 5.15 kernel, there are more opt
Public bug reported:
After the update to kernel 6.5, cpufreq no longer has options to set
most governors or frequencies. The only available options are powersave
and performance, but changing between them seem to have no effect.
Consequently, the CPU temperature is always high: while with the 6.2
Public bug reported:
I was using my laptop and suddenly the screen blinked. After that, all I
could do was to move the mouse, no interaction worked. Trying to change
to a TTY would open the black screen but the text cursor wasn't blinking
and nothing happened.
I accessed the laptop via SSH and us
On my computer I use the workaround of changing the Xorg session from
modesetting to intel. To do this, firstly checking if xserver-xorg-
video-intel is installed and then I create the file
/etc/X11/xorg.conf.d/99-intel.conf with the following content:
Section "Device"
Identifier "Intel Graphi
For now (1 hour and 40 minutes running glxgears in one screen), the
system hasn't crashed. With the following command line:
BOOT_IMAGE=/boot/vmlinuz-5.4.30+ root=UUID=6b4ae5c0-c78c-49a6-a1ba-
029192618a7a ro quiet ro kvm.ignore_msrs=1 kvm.report_ignored_msrs=0
kvm.halt_poll_ns=0 kvm.halt_poll_ns_g
Setting that option made my computer crash again. It crashed after 8
minutes of usage.
** Attachment added: "Syslog"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1868551/+attachment/5361909/+files/logtt.txt
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I tested the kernel from comment 34 and my computer is no longer
crashing. With this kernel, it is possible to use default Xubuntu,
without changing Xorg session or xfwm4 vblank_mode.
What I noticed is that there are 1330 dmesg errors like:
[52999.965468] [drm:intel_pipe_update_end [i915]] *ERROR
I did a bisect for this bug, now it is weekend and I was able to do
tests on this computer. The bisect result is:
51d69817519f5f00041a1a039277f0367d76c82c is the first new commit
commit 51d69817519f5f00041a1a039277f0367d76c82c
Merge: 0174cb6ce944 f3efc406d67e
Author: Linus Torvalds
Date: Wed Ja
The crash is still present with 5.4.0-24. The attached file has syslog,
Xorg.0.log and xsession-errors.
I noticed there are two workarounds for this:
1) Set the intel Xorg session instead of modesetting;
2) Change vblank_mode parameter from xfwm4: auto or glx will trigger this
crash, xpresent or
I'm not sure this is good or bad news, but glxgears also crashes the
system:
Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436043] BUG: kernel
NULL pointer dereference, address: 0040
Apr 8 15:13:49 Lenovo-ideapad-310-14ISK kernel: [ 3863.436055] #PF: supervisor
read access
Using the 5.6.3 kernel, this bug does not happen.
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Title:
Intel GPU causes BUG: kernel NULL pointer dereference, address:
I just tested the Xubuntu Beta ISO and, from it, I was able to reproduce
the system crash.
Unfortunately I was unable to obtain any logs, as sshd was no longer
responsive and it was a live system.
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This crash seems to be easy to reproduce. I made an Apitrace of the part
of Gurumin with the scene that caused the first crash and let it
replaying endlessly. After 1h30min, the system crashed again.
The apitrace can be obtained from:
https://mega.nz/file/8thHlYpa#_HBCUsIifUnD8R3K2U6v--
BWg8noez_F
Public bug reported:
After playing Gurumin: A Monstrous Adventure for some time, the system
crashed in an unrecoverable way. REISUB was required to get some logs.
This crash happened with default Ubuntu's kernel, default Mesa and
default Xorg session. I never observed a crash this serious using t
I tested 4.15.0-55-generic and after multiple times turning the computer
on and off, both Bluetooth and Wireless network were working correctly
all the times.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Public bug reported:
On an Ubuntu 19.04 Disco Dingo Beta (both live and installed) Intel
GVT-g guest, it was noticed that the graphical interface does not load.
The following message appears:
[ 19.844904] i915 :00:03.0: Failed to initialize GPU, declaring it
wedged!
And there are two kerne
I can no longer reproduce this with newer Xubuntu Bionic Daily images,
the guest is booting normally with 4.15.0-43.
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Title:
Failure
Public bug reported:
Installed Xubuntu 18.04 in a QEMU virtual machine using -device virtio-
vga,virgl=true fails to boot. Even setting to output boot messages to a
serial console no messages appear as if it never tried to boot at all.
What makes this strange is that the live media works correctl
What causes this WARNING is the host kernel.
Using latest drm-tip (d63c50f2b014037b43c1c0f108c61e0a31ede3c1) in the
host, there is no WARNING in the guest, while the WARNING happens when
the host uses 4.18.0-12 (HWE 18.04 Edge). 4.15.0-42 does not support
iGVT-g with dma-buf, so it's not useful to
How should I test the Cosmic Cuttlefish proposed kernel? I don't want to
upgrade my install, currently 18.04 LTS, to 18.10, which has only 9
months support.
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** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https://bugs.launchpad.net/bugs/1798165
Title:
Vulkan applications cause permanent memo
I shutdown and turned on the computer using this kernel four times and
in none the problem happened. With the default Bionic kernel the failure
on boot would have happened twice.
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
WARNING on boot in Intel GVT-g guest
Status in linux p
dmesg with 4.19.0-041900-generic is attached. 4.19-rc8 has the same
WARNING on boot.
** Attachment added: "dmesg with 4.19.0-041900-generic"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1799102/+attachment/5204537/+files/dmesg
** Tags added: kernel-bug-exists-upstream
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You receive
Host information:
OS: Xubuntu 18.04.1 (amd64);
Kernel: 4.17.19 with 337fe9f5c1e7de1f391c6a692531379d2aa2ee11 applied to fix
https://bugs.freedesktop.org/show_bug.cgi?id=107899;
QEMU: 3.0.0;
QEMU command line:
env PULSE_LATENCY_MSEC=5 QEMU_AUDIO_ADC_VOICES=0 QEMU_AUDIO_DRV=pa
qemu-system-x86_64
Public bug reported:
When booting Ubuntu Cosmic Cuttlefish 18.10 in an Intel GVT-g Virtual
Machine, a kernel WARNING appears in dmesg, with the following:
[3.563734] WARNING: CPU: 3 PID: 346 at
drivers/gpu/drm/i915/i915_irq.c:161 gen3_assert_iir_is_zero+0x38/0xa0
[i915]
I have not noticed ne
This kernel has the bug fixed. After one hour open, a game using DXVK
did not allocate any memory it couldn't free when closed. It would leak
around 600 MB in the same time previously.
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** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Vulkan applicatio
Public bug reported:
Vulkan applications, as Dota 2 and DXVK games cause a memory leak where
memory is never freed and can cause a system crash if the applications
are used for long enough. Certain applications can make the leak be as
high as 10 MB/minute.
Details about this bug can be seen at
ht
Thank you for this option. Using it the controller is working properly
again.
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https://bugs.launchpad.net/bugs/1793846
Title:
Regression: gamepad Redragon Seymur 2 no longe
No, because I don't know where I should apply
HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE, as all search results are the
commit message.
Where do I apply this quirk?
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Unfortunately the gamepad is still with the problem. The right stick
does not work properly, its up/down movement does the left/right action
and left/right movement do nothing.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Triaged => Confirmed
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Public bug reported:
The gamepad Redragon Seymur 2 right analog stick no longer works
properly with kernel versions at least 4.18 and newer. On 4.17.19 they
work properly.
I already reported this regression on kernel bugzilla but it did not
receive attention there and Ubuntu Cosmic release is goi
This kernel did not work. On boot, the same messages that appeared with
the other problematic kernels appear and the boot freezes.
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Ti
Ok, using btusb.autosuspend=0 with this kernel version worked. I tested
to turn the notebook off and on 5 times and all times both Bluetooth and
Wireless worked.
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This kernel version works, but I don't understand why testing a 4.17
version would be relevant on this case, as the first kernel fixed is
4.16-rc5 and, according to the checkout we've done before, the first
good commit should be:
commit 1fdb926974695d3dbc05a429bafa266fdd16510e
Author: Hans de Goed
This kernel update released today have not corrected the problem, but
the kernel from
https://people.canonical.com/~khfeng/lp1752772-r8169-intx/ works.
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The issues happens only on cold boot. In a pattern of:
Work -> Don't work -> Work
If the cold boot is successful, all reboots work. If the cold boot
failed, all reboots fail.
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It is working for me too.
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https://bugs.launchpad.net/bugs/1752772
Title:
r8169 ethernet card don't work after returning from suspension
Status in linux package in Ubuntu:
This kernel did not work, when waking from suspension it shows the same
dmesg messages and only reloading the r8169 module the Ethernet works
again.
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The kernel version 4.17-rc4 is working for me.
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Title:
r8169 ethernet card don't work after returning from suspension
Status in lin
Unfortunately, this kernel still has the same issue.
The parameter btusb.enable_autosuspend is decisive to define if the
fixed kernels will work. Disabling it ("btusb.enable_autosuspend=0")
makes the fixed kernels act like the broken ones. However, setting it in
broken kernels ("btusb.enable_autos
With a different install of Bionic in my notebook, the problem is
happening too. This appears on dmesg:
[ 95.285073] [ cut here ]
[ 95.285109] NETDEV WATCHDOG: enp1s0 (r8169): transmit queue 0 timed out
[ 95.285165] WARNING: CPU: 3 PID: 0 at
/build/linux-5s7Xkn/linux
This file is one with the failed boot, unfortunately the kernel panic
message don't appear. Unlike the other file with the failure I uploaded
before, on this one the boot failed. I was helped on #ubuntu+1 on how to
add netconsole to initramfs, so I was able to obtain the first 7 seconds
of the log.
** Attachment added: "dmesg_ok.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757218/+attachment/5119845/+files/dmesg_ok.txt
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Many tries were required until I could obtain a useful log. As it can be
seen in the kernel command line, I had to add many debug options to
obtain this.
** Attachment added: "dmesg_falha.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757218/+attachment/5119844/+files/dmesg_falha.t
This is funny, but the option btusb.enable_autosuspend=0 make the bug
happen on v4.16-rc7. I'm seeing a pattern that, when I change the kernel
version or a grub option, I can't just turn on and off the notebook
twice (as it triggers normally), but thrice.
So, every time I change a configuration I
The bug is still the same. What happened was that the system froze at a
different message in that particular try. Journalctl from a successful
initialization showing the most common point of failure:
systemd[1]: Starting Load/Save Screen Backlight Brightness of
backlight:intel_backlight...
system
No, using this parameter when using the kernel v4.16-rc7 do not cause
the issue.
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Title:
QCA9377 isn't being recognized sometimes
S
This is comparing the 4.15.0-13 kernel with the mainline kernel.
** Attachment added: "diff_415_416rc7.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757218/+attachment/5092728/+files/diff_415_416rc7.txt
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The only thing I can think that is wrong is the configuration file of
the kernels. They have some significant differences regarding Bluetooth.
** Attachment added: "diff_415_416rc2+.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757218/+attachment/5092727/+files/diff_415_416rc2+.tx
This is insane. I have reset that bisect and tried again using "fixed"
and "broken" instead of "new" and "old" and, again, the bisect had the
following:
1fdb926974695d3dbc05a429bafa266fdd16510e is the first fixed commit
commit 1fdb926974695d3dbc05a429bafa266fdd16510e
Author: Hans de Goede
Date:
Don't mark this as fixed yet, it has just happened in a different way:
it progressed further on boot until it froze at the a message like
waiting for /dev/disk.
I, sincerely, don't know what to do now. This has never happened the
kernels starting from 4.16.0-rc5. I have uploaded the bisect log.
A
The kernel was updated today to version 4.15.0-13 and the commit
"Bluetooth: btusb: Use DMI matching for QCA reset_resume quirking" was
added. I have tested the notebook and now it is no longer failing to
boot or booting without wireless and bluetooth.
The problem is fixed to me.
Thank you.
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Finally, after 10 kernels built, I've obtained the result. Here is the
output:
1fdb926974695d3dbc05a429bafa266fdd16510e is the first new commit
commit 1fdb926974695d3dbc05a429bafa266fdd16510e
Author: Hans de Goede
Date: Tue Feb 20 09:06:18 2018 +0100
Bluetooth: btusb: Use DMI matching for
I remember I read that article two days after the notebook had arrived.
Its Linux support was really poor, even with it having Satux Linux (a
really bad distribution). It had much more problems which quickly were
corrected, but this one is one of the most persistent issues (tied with
the wireless p
The first kernel fixed is 4.16-rc5.
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Title:
QCA9377 isn't being recognized sometimes
Status in linux package in Ubuntu:
Confirmed
r8168-dkms have not made it hit a higher package C state. On page 70 of
the document I posted the link on comment 7, it shows the maximum
package C state the Skylake U/Y would be able to reach, depending of
screen resolution. As this notebook has a 1366x768 screen, I suppose
that it would reach up
This was corrected and is no longer happening to me.
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Title:
System freezes due to ALSA error and recovers after significant time
The behavior has greatly improved using the kernel 4.16.0-rc6, the
package is reaching the state C8. It's still not C10, but it is pretty
close.
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With kernel version 4.15.12 the the problem is not fixed. It has the
same behavior as 4.15.0-12.
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Title:
QCA9377 isn't being recogni
This is not happening with the kernel 4.16-rc6, so I added the tag
kernel-fixed-upstream.
I can no longer boot with the 4.15.0-12 kernel successfully when the
error happens, it just freeze and I wait until the HD stops to shutdown
it by keeping the power button pressed. I was lucky the system was
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
QCA9377 isn't bei
This is the dmesg from when it failed yesterday.
** Attachment added: "dmesg_falhou_mas_ligou.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757218/+attachment/5085831/+files/dmesg_falhou_mas_ligou.txt
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The behavior appears to be much better with the kernel version 4.16-rc6.
However, I think this is not 100% solved, as the following error is
still (but now rarely) happening when disconnecting from a network:
[ 5934.740004] ath10k_pci :02:00.0: failed to install key for vdev 0 peer
xx:xx:xx:x
Public bug reported:
Sometimes, the Wireless Network Card QCA9377 is not recognized on boot.
This caused, on prior versions, a kernel panic at boot. With Bionic, the
system boots but is unable to use wireless network. On dmesg there are
messages like:
[2.680590] usb 1-7: new full-speed USB de
The kernels built using this procedure are not working properly. The
screen is limited at 640x480 and, after suspending and trying to
restore, the screen never turns on again, even trying to change to a tty
don't work, so I can't test because I can't see anything.
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Yes, with 4.16-rc4 and 4.16-rc5 the problem persists. Every kernel
version after 4.15-rc5 is making the computer lose connectivity after
returning from suspension.
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h
The last version working properly is 4.15-rc4. 4.15-rc5 don't suspend
(it fails to) and, starting from 4.15-rc6, this problem with the
Ethernet card appears.
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https:/
Using the 4.16-rc4 kernel have not made the network card work after
suspension and, when I try to wake up the system it is remounting the
file system as read only and I can't open Firefox, so I'm reporting from
another computer now.
dino99's solution wouldn't break Secure Boot? Also, it works fine
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
r8169 ethernet card don't work after returning
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067030/+files/CurrentDmesg.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067031/+files/IwConfig.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067026/+files/CRDA.txt
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apport information
** Attachment added: "Card0.Amixer.values.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067027/+files/Card0.Amixer.values.txt
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htt
apport information
** Attachment added: "Card1.Codecs.codec.0.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067029/+files/Card1.Codecs.codec.0.txt
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apport information
** Attachment added: "Card0.Codecs.codec.0.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067028/+files/Card0.Codecs.codec.0.txt
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apport information
** Attachment added: "AplayDevices.txt"
https://bugs.launchpad.net/bugs/1752772/+attachment/5067025/+files/AplayDevices.txt
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apport information
** Tags added: apport-collected
** Description changed:
I have noticed that the network stopped working on my desktop after I've
suspended the system and woke it up. On dmesg there are messages like:
[ 150.877998] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready
Public bug reported:
I have noticed that the network stopped working on my desktop after I've
suspended the system and woke it up. On dmesg there are messages like:
[ 150.877998] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready
[ 150.944101] do_IRQ: 3.37 No irq handler for vector
[ 150.944
Public bug reported:
>From Xenial to Artful, the intel-gpu-tools package installed intel-gpu-
overlay. However, on Bionic intel-gpu-overlay is not available, nor as
part of intel-gpu-tools nor as a separated package.
intel-gpu-tools upstream packages treats the failure of building intel-
gpu-over
Today the kernel version was updated to 4.13.0-17.20 was installed on my
notebook and the error is no longer happening. I can use my notebook
with Artful's kernel normally now.
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Now I have rebooted and I am using the kernel version 4.10.0-37-generic
and there is no error. The problem appears to be with the kernel.
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I'm sorry for sending the information in chunks, but it's so unstable
there's no way I can do it all at once.
$ lspci
00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev
08)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07)
00:14.0 USB contro
My system is nigh unusable now. If I disconnect the wireless, the system
becomes very unstable: sudo and gksu stops working, many programs don't
open and other problems.
I've attached the dmesg. Now it's at that very unstable state, if
something happens to wireless it will become very unstable.
*
Public bug reported:
Hi
After I upgraded from Xubuntu 17.04 to 17.10, a message is repeating
every two minutes: https://pastebin.com/7FA69dme
I am reporting against linux-firmware because it appears to be Wi-Fi
related. The system looks like it's working fine, but this message is
repeating.
The
I am having this issue on Xubuntu Xenial with the linux-generic-
hwe-16.04-edge kernel. It happened once a long time ago, but now it is
happening again. This bug happens when the system is under load and more
graphical load is demanded. On my specific case, when my system is
already under some load
I think this is the same bug I am having:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1674838
But this is happening with 4.4.0-75 too.
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Hello
With the kernel from linux-generic-hwe-16.04-edge, I was able to obtain
in one crash the part of a log file which I was unable before, but
corrupted the content after this. This new part refers to a file called
swapops.h.
I have attached the syslog file with the new information. As in the
o
The easiest way to reproduce it was in the game Starbound. Teleporting,
quickly the computer would freeze. I could freeze the computer in
seconds doing this.
While the 4.10 kernel available to install with linux-generic-
hwe-16.04-edge has this bug, I believe this problem is corrected in the
4.11
** Description changed:
Hello
I have a Lenovo Ideapad 310. I was having issues with power management,
and was using upstream kernels. I noticed they had frequent freezes, so
I decided to use the standard from Ubuntu 16.04 (today, 4.4.0-75). But
now it has this freezes too, so somethin
Public bug reported:
Hello
I have a Lenovo Ideapad 310. I was having issues with power management,
and was using upstream kernels. I noticed they had frequent freezes, so
I decided to use the standard from Ubuntu 16.04 (today, 4.4.0-75). But
now it has this freezes too, so something which was bug
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1686448
Title:
Unable to re
With this notebook, I am using Xubuntu 16.04 since I bought it. Since
the start battery lasted less time than on Windows 10, but I didn't know
why this was happening. The kernel at December 2016 was way more
problematic, but nearly all the problems were solved, but this one,
which reduces battery t
** Attachment added: "powertop411rc8.html"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686448/+attachment/4868334/+files/powertop411rc8.html
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https://bugs.launch
Here is the powertop output. Tuning additional options to "Good" from
this point start to cause problems, as crackling sound and nonfunctional
mouse.
** Attachment added: "powertop.html"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686448/+attachment/4868281/+files/powertop.html
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** Attachment added: "sudo turbostat --debug --out turbostat"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686448/+attachment/4868280/+files/turbostat
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https://bu
Public bug reported:
Hello
I have a Lenovo Ideapad 310 with a Intel Core i3-6100U. I have noticed
its battery last less time on Xubuntu 16.04 than on Windows 10. I have
searched on internet what could cause it, and found with powertop it
can't reach states higher than package C state 2, while it
** Attachment added: "Guidelines"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686448/+attachment/4868278/+files/version.log
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https://bugs.launchpad.net/bugs/1686
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