Otto,
Can you add "i2c-hid.dyndbg=+p" to your kernel parameter and attach full
dmesg here?
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Title:
Linux does not recognize the Hantick
I am not a PA expert, but I guess you need to set the sink instead of
source.
I am not sure I fully understand your second question, but output volume
should remain the same.
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Christos,
Try the "pending" one instead of "current".
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Title:
System doesn't boot properly on Gigabyte AM4 motherboards (AMD Ryzen)
To manage
Not really - the kernel is too old.
[0.00] Linux version 3.16.0-24-generic
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Title:
[Medion Akoya P2214T] Touchpad not properly
In case previous comment doesn't work - please try kernels in [1]. It
has upstream stack guard fixes.
If the kernel still have the problem, try booting with
"stack_guard_gap=1" kernel parameter.
[1] http://people.canonical.com/~cascardo/2017.06.07-3/xenial/
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Does this happen on kernel with previous version?
Also, please recompile the vmnet module, with the patch in the thread [1].
[1] https://communities.vmware.com/thread/564598
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You need to remove the elantech psmouse DKMS first.
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Title:
[Medion Akoya P2214T] Touchpad not properly recognized
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Here's 4.11 artful linux kernel with the patch below:
http://people.canonical.com/~khfeng/lp1671360-artful/
I don't think upstream will be happy about this patch, but I'll try =)
But first, I need you guys test it for me.
diff --git a/drivers/pinctrl/pinctrl-amd.c
FWIW I add the quirk into Linux kernel directly, for both 0x0bc2:0x2322
and 0x0bc2:0xab28.
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Title:
Seagate external drive causes SCSI bus resets
Hi, Can you guys try the kernel [1], *without* the modprobe quirk?
[1] http://people.canonical.com/~khfeng/lp1584557/
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Title:
Seagate external
@moimael, do you keep your macOS in the machine? Can you update macOS as
Kostas suggested?
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Title:
Mac UEFI boot 24x slower keyboard/touchpad
@Marc,
Actually, there are lots of workaround/qurik table in linux kernel itself.
This module is essential for touchpad on AMD laptop. Any distro wants to
have AMD laptop support should enable this.
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I now have Precision 5520 and I can reproduce the issue. I'll take a
deeper look on this issue.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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I believe @Vicent uses Unity instead of Gnome - but I don't know when
will they handle my PR tough.
As for Ubuntu Gnome 17.04, I can confirm GSD in -proposed pocket fixes
the issue.
** Tags removed: verification-needed
** Tags added: verification-done
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@Onno
Do you still encounter this issue on the kernel in comment #14?
Other user reported the issue may still occur albeit with much lower rate.
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Does it work on latest mail one kernel?
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Title:
[HP Notebook 14] [Realtek wireless 103c:804c] The driver rtl8723be
wifi and bt support is very
Probably still need to find the commit fixes the slowness.
As soon as you enable runtime power management for audio codec, it
should drop to 0%.
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Please file a new bug for USB-HDD issue. Probably needs to quirk off the
device to make it work.
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Title:
iwlwifi queue stuck, Microcode SW error
So you need to raise the question to linux-input mailing list.
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Title:
Asus GL553VE laptop keyboard backlight uncontrollable and Fn keys not
is for AC and another one
is for battery. Both of them are for display brightness.
> On Fri, May 26, 2017, 00:31 Kai-Heng Feng <kai.heng.f...@canonical.com>
> wrote:
>
> > It can't be reproduced once you changed the brightness via slider in
> > BIOS.
> >
> > It should be
Sorry, my bad, ALC256 doesn't have aaloop at first place, so my kernel
does nothing =(
I'll ask Realtek codec guy about this issue.
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Title:
XPS
My bad, didn't notice it's XPS 9560...
To disable the deepest power state, you can add this to your kernel parameter:
"nvme_core.default_ps_max_latency_us=6000".
Please report back if this works, thanks!
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Great, Kailiang has Launchpad account =)
@Kailiang
I personally cannot reproduce the issue on my $10 Logitech headphone, maybe
this bug can only be reproduced on more beefy headphone.
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Uh do you mean linux kernel released?
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Title:
Keyboard backlight control does not work on some dell laptops.
To manage notifications about this
@slimbook,
Does it support 3/4 fingers in Windows?
Does it work under -72 as @abbot says?
@abbot,
Can you also try linux kernels between -72 and -78? We can narrow down the
changes we need to look at.
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The issue's gone after I changed brightness in BIOS video tab.
So I cannot dig this anymore =(
But try if this solves your issue.
** Changed in: linux (Ubuntu)
Status: In Progress => Confirmed
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Create a file, "/etc/modprobe.d/uas-quirk.conf" with this line inside:
options usb-storage quirks=::u
Replace "" with the storage device's vid:pid in lsusb.
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For intel nvme, please try this zesty kernel:
http://people.canonical.com/~khfeng/lp1686592-170525/
It added two more patches from Andy:
[1/2] nvme: Wait at least 6000ms before entering the deepest idle state
[2/2] nvme: Quirk APST on Intel 600P/P3100 devices
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Mario, can you take a look?
A quick summary:
1. Boot the system.
2. The value systemd-backlight read from intel backlight is 0.
3. systemd-backlight restore the value it from /var/lib/systemd/backlight.
4. Brightness value being overwritten to maximum value, 1500.
After I changed the brightness
Also, try to upgrade to the latest BIOS, that may help:
$ sudo fwupdmgr refresh
$ sudo fwupdmgr update
$ sudo reboot
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Title:
Backlight
For userspace driver, you probably need to ask it on wayland-
de...@lists.freedesktop.org.
In the meantime, I'll work on a udev solution to make sure it uses
elantech protocol.
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Hi @pjf,
Can you attach the output of `grep . /sys/class/dmi/id/*`, so I can make
a quirk into linux kernel itself?
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Title:
ETPS/2 Elantech
> 1. the grep . /var/lib/systemd/backlight/* shows the value of the
brightness that was right before the last reboot. That doesn't change
real-time when I change the brightness with the slider. The value appear
to get stored right before the reboot.
Yes, the service will restore brightness value
Well, these are XHCI:
Good Autosuspend for USB device xHCI Host Controller [usb3]
Good Autosuspend for USB device xHCI Host Controller [usb4]
Good Autosuspend for USB device xHCI Host Controller [usb5]
Good Autosuspend for USB device xHCI Host Controller [usb5]
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Please try [1]. It has [2] which should solve the issue.
[1] http://people.canonical.com/~khfeng/lp1671360-regular-interrupt/
[2] https://patchwork.ozlabs.org/patch/766231/
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Please try this kernel: http://people.canonical.com/~khfeng/lp1654448/
AAMIX is disabled, I can't verify it through my bad ear though.
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@pjf,
Please try linux kernel here:
http://people.canonical.com/~khfeng/lp1594214/
Don't forget to remove i8042* kernel parameters before testing.
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It can't be reproduced once you changed the brightness via slider in
BIOS.
It should be reproduceable if the brightness was *never* touched in
BIOS.
Once the brightness is changed in BIOS, the issue can no longer be
reproduced regardless the brightness value.
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@Esokrates that's weird. I can install the kernel, even on my Zesty
machine.
This is for Zesty,
http://people.canonical.com/~khfeng/lp1654448-zesty/
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This patch solves the kernel panic issue and make rtl8723bs working:
https://www.spinics.net/lists/linux-wireless/msg162060.html
Let's just wait Linux kernel in Artful switch to 4.12.
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** Tags removed: verification-needed-zesty
** Tags added: verification-done-zesty
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Title:
APST quirk needed for Samsung 512GB NVMe drive
To
Maybe this?
$ sudo modprobe wl
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Title:
Bluetooth and wifi not working
To manage notifications about this bug go to:
@tomdean
Let's not hijack the original bug.
Can you file a new bug?
$ ubuntu-bug linux
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Title:
USB 3.0 Harddrive not recognised
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@Andy, does NVIDIA 375.66 work for you?
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Title:
NVIDIA Driver Crashes the System
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I can't hear the hiss sound... either I am getting old or my headset is
choppy.
Can you test the latest mainline linux kernel [1] to see if it helps?
[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc1/
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@tomdean,
Does this issue happen if you turn runtime pm off?
You can do this in `powertop` program, in "Tunables" tab. Change "Good" to
"Bad" on XHCI device.
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Do you still have older kernel in machine? E.g. 3.13, 3.19. Boot from
older kernel to see if the problem persists.
Furthermore, can you try latest live usb from [1]?
[1] http://cdimages.ubuntu.com/lubuntu/daily-live/current/artful-
desktop-amd64.iso
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Can it scan?
Were you trying to connect to BLE device?
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Title:
BLUETOOTH
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Seems like there are two possibility:
1. systemd-backlight didn't restore the value successfully.
2. It did, but something else changed the value.
Let's try this:
$ sudo systemctl set-default multi-user.target
Reboot and check if this happens.
Use
$ sudo systemctl set-default graphical.target
To
Please try latest mainline kernel, http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.12-rc1/
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Title:
Shared folder randomly not mounted
To
Sun Apr 23 21:40:47 2017 +0200
platform/x86: dell-laptop: Add keyboard backlight timeout AC
settings
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Kai-Heng Feng (kaihengfeng)
Status: Confirmed
Good to know AMD and Gigabyte are working on this issue.
So I don't need to send the patch to upstream, but as an Ubuntu sauce patch.
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Title:
If this happens on mainline kernel, please file an upstream bug at
https://bugzilla.kernel.org.
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Title:
14e4:1687 broadcom tg3 network driver
Hi, an Intel developer [1] said firmware update [2] can solve the issue.
After update the firmware, can you use kernel from Ubuntu's repo instead of
what I compiled?
[1] http://lists.infradead.org/pipermail/linux-nvme/2017-May/010560.html
[2] https://downloadcenter.intel.com/download/26491?v=t
@John
Can you paste the output of `nvme id-ctrl /dev/nvme0`?
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Title:
APST quirk needed for Samsung 512GB NVMe drive
To manage notifications
Can you try mainline kernel in comment #3?
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Title:
[Dell Inc. Latitude E5470] suspend/resume failure
To manage notifications about this bug go
It means there's a bug on kernel driver with runtime power management enable.
Runtime power management (RPM) is generally favorable because it can prolong
your battery time.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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@John
If 6000 doesn't work but 0 works, it means operational states PS1 and PS2 have
issue.
Can you try linux kernel in http://people.canonical.com/~khfeng/apst-rste-z/?
@Andy
Do we need to quirk off LiteOn completely, just like Toshiba?
@Mario
Does this also happen on Windows?
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Do you have something like TLP installed?
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Title:
Wifi not working after update to 17.04
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Yea I think there are some issue in 4.12-rc3. Try 4.12-rc2 instead.
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Title:
Serial lirc device not recognized with kernel 4.10.0-21.14 amd64
To
Please follow instruction in comment #19, but use 4.12-rc2 instead.
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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Title:
wt:3 rwl:3 idle_power:- active_power:-
ps 4 : mp:0.0100W non-operational enlat:5 exlat:10 rrt:4 rrl:4
rwt:4 rwl:4 idle_power:- active_power:-
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Kai-Heng Feng (kaihengfeng)
Status: Confirmed
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** Description changed:
+ [Impact]
+ There's no sysfs node for some Dell laptop keyboard backlight control.
+
Two issues here:
1. No sysfs "/sys/devices/platform/dell-laptop/leds/dell::kbd_backlight"
- The patch fixes the issue:
+ The patch fixes the issue by adding necessary DMI string to
@John, I opened a new bug for LiteOn, LP: #1694596.
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Title:
APST quirk needed for Samsung 512GB NVMe drive
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Try these kernel parameters:
button.lid_init_state=open
button.lid_init_state=method
button.lid_init_state=ignore
See which one works.
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Title:
It means it still successfully loads -27.ucode.
You need to file an upstream bug report.
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Title:
Microcode SW errors since Bios upgraded to
Please download firmware in [1] and put it to "/lib/firmware/".
If [1] does not work, use [2].
If both of them don't work, file an upstream bug report.
Also, use 4.12-rc3 to test.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/iwlwifi-8000C-27.ucode
[2]
Hmm, does 2.2.1 help?
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Title:
APST quirk needed for Intel NVMe
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** Description changed:
+ [Impact]
+ Intel NVMe failed to work after some disk I/O.
+
+ [Test Case]
+ Use the system for a while. Any disk I/O may make Intel NVMe failed to
operate.
+
+ [Regression Potential]
+ None. It only applies to limited Intel NVMe devices.
+
Two users reports issue
** Summary changed:
- LiteOn NVMe APST issue
+ LiteOn NVMe issue
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Title:
LiteOn NVMe issue
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** Description changed:
+ [Impact]
+ Battery events does not work on Dell Inspiron 7537.
+
+ [Test Case]
+ Boot the machine, no battery detected.
+ Add a quirk for Inspiron 7537 can make battery detection work.
+
+ [Regression Potential]
+ None. It only applies to one specific laptop, Dell
Take a look at LP: #1694547. Probably same issue?
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Title:
Microcode SW error detected.
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I remember someone mentioned there's no such issue on 4.4 kernel?
Anyway, you can use Zesty's kernel in Xenial.
Install package "linux-generic-hwe-16.04-edge" will do.
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My educated guess is that it works on linux kernel 4.4, correct?
Use this kernel to verify:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.70/linux-image-4.4.70-040470-generic_4.4.70-040470.201705251131_amd64.deb
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Okay, let's do a bisection.
Please try Linux 4.9: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9/
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Title:
USb-Ethernet ASIX A88772 stops
Sounds like there are two problems here,
1. The external drive does not work well in UAS mode (see previous comment)
2. The VIA hub has a remote wakeup bug.
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You mentioned
"3. Mount the drive and start a dump level 0.
After a 1/2 hour, or so, dump required operator intervention.
In dmesg, the drive disconnected and reconnected as sdg."
Does this happen to the motherboard port?
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I suppose you use Zesty? Please try udev packages here:
http://people.canonical.com/~khfeng/lp1683760/
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Title:
ETPS/2 Elantech Touchpad
Try mainline kernel here: http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.12-rc2/
Or intel-drm-nightly here: http://kernel.ubuntu.com/~kernel-ppa/mainline
/drm-intel-nightly/current/
File an upstream bug if intel-drm-nightly does not solve your issue.
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Do you mean you can't use the ethernet after resume?
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Title:
r8169:fix "rtl_counters_cond == 1 (loop: 1000, delay: 10)" log spam.
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What Bluetooth module do you use?
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Title:
Bluetooth freezing video playback In Ubuntu/Kubuntu 16.04
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Please follow this instruction:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1694547/comments/4
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: unity (Ubuntu)
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** Also affects: linux via
https://bugzilla.kernel.org/show_bug.cgi?id=195945
Importance: Unknown
Status: Unknown
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Title:
Microcode
Does latest mainline kernel have the issue?
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Title:
After pm-suspend and resume, can't use rtl8169 NIC for networking
To manage notifications
Please check if 4.8 supports the feature you want:
$ sudo apt install linux-generic-hwe-16.04
or 4.10 supports it:
$ sudo apt install linux-generic-hwe-16.04-edge
If both of them do not have 5 GHz you want, check mainline linux kernel.
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc3/
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** Description changed:
+ [Impact]
+ Gigabyte AM4 boards users cannot boot Ubuntu successfully.
+ Commit linux-gpio/fixes babdc22b0ccf4ef5a3075ce6e4afc26b7a279faf
"pinctrl/amd: Use regular interrupt instead of chained" can fix the issue.
+
+ [Test Case]
+ All Gigabyte AM4 boards can reproduce
Wait, APST shouldn't be enabled when the value is 6000. It should have
the same effect as nvme_core.default_ps_max_latency_us=0.
@John, can you check again?
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Nicholas, does the patch come from upstream? We should backport the
patch into Ubuntu's NM properly, so everyone can benefit.
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Title:
You had this problem when linux version was 4.8.0-52-generic.
I can also see that you upgraded it to 4.8.0-54.57, which should fix the issue.
Do you still have the issue on 4.8.0-54.57?
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If that's the case, would you mind to upstream the patch?
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Title:
systemd-resolved breaks VPN with split-horizon DNS
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Maybe graphics driver doesn't exist at all?
Can you attach output of `dpkg -l | grep linux-image`?
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https://bugs.launchpad.net/bugs/1686189
Title:
External monitor connecting problem
If you plugged a USB mouse or keyboard to the same port, will it be
recognized?
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https://bugs.launchpad.net/bugs/1693842
Title:
USB 3.0 Disk Drive Not Recognized.
To manage
@François
Add "nvme_core.default_ps_max_latency_us=0" to kernel parameter to see if
disable APST completely helps.
@Marco
Add "nvme_core.default_ps_max_latency_us=5500" to kernel parameter to see if
disable deepest power state helps.
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Didn't see your description - it seems to be a hardware problem.
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https://bugs.launchpad.net/bugs/1694186
Title:
Touchpad / TrackPoint no longer work in Lubuntu 17.04
To manage
Maybe use an SSH connection to see if computer is actually alive?
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https://bugs.launchpad.net/bugs/1617471
Title:
Can't login after lock screen (black screen)
To manage notifications
Try kernel here: http://people.canonical.com/~khfeng/lp1678306/
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https://bugs.launchpad.net/bugs/1678306
Title:
Touchpad on HP Pavilion x2 12 doesn't work
To manage notifications
Most kernel drivers are in extra package, i.e. linux-image-
extra-4.4.0-78-generic.
There are only two commits between -72 to -78:
commit 2fce21649c85703a63e9c70ccc6e3b9caa813041
Author: Mika Kuoppala
Date: Wed Feb 15 15:52:59 2017 +0200
drm/i915: Avoid
Last but not least, try latest 4.4 stable kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.71/
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https://bugs.launchpad.net/bugs/1686189
Title:
External monitor connecting
FWIW, I can't reproduce the issue on the same chip. I used iperf instead
of scp though.
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https://bugs.launchpad.net/bugs/1447664
Title:
14e4:1687 broadcom tg3 network driver
Does blacklist btusb helps?
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https://bugs.launchpad.net/bugs/1697784
Title:
RTL wifi module drops connection
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