[Kernel-packages] [Bug 1900377] Re: System froze after wake from sleep

2020-10-19 Thread Alex Hung
You can also try Ubuntu OEM kernel: https://wiki.ubuntu.com/Kernel/OEMKernel -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1900377 Title: System froze after wake from sleep Status in

[Kernel-packages] [Bug 1900377] Re: System froze after wake from sleep

2020-10-19 Thread Alex Hung
There are many i915 warnings in dmesg.txt Oct 19 14:33:05 kernel: [ cut here ] Oct 19 14:33:05 kernel: WARN_ON(is_mst && (port == PORT_A || port == PORT_E)) Oct 19 14:33:05 kernel: WARNING: CPU: 3 PID: 2246 at drivers/gpu/drm/i915/display/intel_ddi.c:3179

[Kernel-packages] [Bug 1900377] Re: System froze after wake from sleep

2020-10-19 Thread Alex Hung
You can also try to use s3 (deep) instead of s2idle: echo deep | sudo tee /sys/power/mem_sleep to change back, simply reboot or "echo s2idle | sudo tee /sys/power/mem_sleep" -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1899258] Re: touchpad not work

2020-10-14 Thread Alex Hung
The number of IRQ 9 (acpi) seems to be unreasonably high, i.e. 10 in ProcInterrupts.txt I tried on my laptop (command: "uptime ; cat /proc/interrupts | grep acpi"), and it is 15859 after 13 mins (~8000 when uptime = 0 min). If you see 10 right after booting, the hardware / firmware may be

[Kernel-packages] [Bug 1899258] Re: touchpad not work

2020-10-14 Thread Alex Hung
The below is likely the reason that fn keys do not work, i.e. irq 9 (acpi) are disabled because it is not handled. [9.932829] irq 9: nobody cared (try booting with the "irqpoll" option) [9.932832] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-48-generic #52-Ubuntu [9.932833]

[Kernel-packages] [Bug 1883905] Re: Touchpad is not being detected by Ubuntu on Lenovo IdeaPad S145-15IIL

2020-10-14 Thread Alex Hung
Hui Wang also provided some workaround for touchpad at LP:1899258. If kernel updates do not fix touchpad problem, you can also try the kernel parameters. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1883905] Re: Touchpad is not being detected by Ubuntu on Lenovo IdeaPad S145-15IIL

2020-10-14 Thread Alex Hung
The id ELAN0633 has been added since Ubuntu-5.4.0-34.38. Please update kernel (sudo apt update && sudo apt upgrade -y) and verify whether the touchpad works. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1899626] Re: Backlight does not work on the legion 5 15arh

2020-10-13 Thread Alex Hung
I don't think amdgpu's actual_brightness works in the first place. Did you try any of the following kerenl parameters? acpi_backlight= [HW,ACPI] acpi_backlight=vendor acpi_backlight=video If set to vendor, prefer vendor specific driver

[Kernel-packages] [Bug 1899132] Re: complete freeze with focal 20.04

2020-10-09 Thread Alex Hung
A post at Dell's forum has a workaround solution using a kernel parameter "snd_hda_intel.dmic_detect=0". https://www.dell.com/community/Linux-General/Freezing-boot- Ubuntu-20-04-Dell-G3-3590/m-p/7667770/highlight/true#M17469 -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1898949] Re: ThinkBook 14-IIL can't wake from sleep by opening lid

2020-10-09 Thread Alex Hung
@azis-naufal, #15 is where _PRW goes indeed, but my guess was wrong... ** Changed in: linux (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1898949] Re: ThinkBook 14-IIL can't wake from sleep by opening lid

2020-10-08 Thread Alex Hung
You can force to use s2idle instead of deep (s3). This might force the system as in #5. command: $ echo s2idle | sudo tee /sys/power/mem_sleep If this works for you, this is a better solution than patching DSDT. -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1898949] Re: ThinkBook 14-IIL can't wake from sleep by opening lid

2020-10-08 Thread Alex Hung
_PRW requires knowledge of the hardware pin used for wake-up by lid, and this is not available outside vendor themselves. We can, however, just make a guess such as below Method (_PRW, 3, NotSerialized) { Return (Package () {9, 3}) } The attached is a patch for

[Kernel-packages] [Bug 1898878] Re: Ubuntu slow boot

2020-10-07 Thread Alex Hung
Did you try "systemd-analyze time" or "systemd-analyze blame" to identify the boot-time's bottleneck? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1898878 Title: Ubuntu slow boot

[Kernel-packages] [Bug 1898949] Re: ThinkBook 14-IIL can't wake from sleep by opening lid

2020-10-07 Thread Alex Hung
This is a BIOS issue and a fix is required from OEM and is not from Ubuntu. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1898949 Title: ThinkBook 14-IIL can't wake from sleep by

[Kernel-packages] [Bug 1898949] Re: ThinkBook 14-IIL can't wake from sleep by opening lid

2020-10-07 Thread Alex Hung
The ACPI's lid device "LID0" is not listed in /proc/acpi/wakeup, and it can be the result of missing "_PRW" object in ACPI BIOS. It has only _HID, _LID and _DSW objects such as below (extracted from acpidump.txt). Device (LID0) { Name (_HID, EisaId ("PNP0C0D") Method (_LID, 0,

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-10-05 Thread Alex Hung
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Alex Hung (alexhung) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1894667 Title: [HP 635] Radeon 6310 brightness cont

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-28 Thread Alex Hung
** Description changed: + = SRU Justification = + + [Impact] + + The bug causes the EC driver to fail and ACPI events are no longer + handled by Linux kernel, i.e lid close no longer triggers suspends. + + [Fix] + + Upstream commit 03e9a0e05739cf reworks ec_install_handlers to avoid +

[Kernel-packages] [Bug 1895615] Re: Backlight adjustment doesn't work on Google Pixel Slate

2020-09-28 Thread Alex Hung
That's great. Let's wait for the good news! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1895615 Title: Backlight adjustment doesn't work on Google Pixel Slate Status in linux

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-25 Thread Alex Hung
Information updates: the patch is now queued in 5.10. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1894667 Title: [HP 635] Radeon 6310 brightness control does not work Status in

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-25 Thread Alex Hung
@jcline-physics, can you give kernel in #24 a try? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1896482 Title: acpi event detection crashes Status in linux package in Ubuntu: In

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-24 Thread Alex Hung
A test kernel with target patches ready for SRU is available @ https://people.canonical.com/~alexhung/LP1896482/fixes/ The patch in #23 requires three precedent patches. See SRU.log file for more details. Note it is rebased Ubuntu-5.4.0-48.52 now. -- You received this bug notification because

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-24 Thread Alex Hung
Bisecting points to the below commit. Ubuntu-5.4.0-47.51 requires more than it without conflicting. Let me figure out which ones are also required for SRU and I will build another kernel (and final one hopefully) for testing commit 03e9a0e05739cf872fee494b06c75c0469704a21 Author: Rafael J.

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-23 Thread Alex Hung
Next one: https://people.canonical.com/~alexhung/LP1896482/937d1d5d752513b8/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1896482 Title: acpi event detection crashes Status in linux

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-23 Thread Alex Hung
Next one is @ https://people.canonical.com/~alexhung/LP1896482/c271d18b523bb58e/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1896482 Title: acpi event detection crashes Status in

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-23 Thread Alex Hung
@jcline-physics, Thanks for testing. The next is available @ https://people.canonical.com/~alexhung/LP1896482/31be3e3551d09f20/ ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Alex Hung (alexhung) -

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-22 Thread Alex Hung
Thanks mfo for helping out how to disable secure boot and install kernel I uploaded a test kernel @ https://people.canonical.com/~alexhung/LP1896482/0a8c35897f60b202/ There are 17 patches so it requires 4 times to identify the fixing kernel patch. The included patches are listed in

[Kernel-packages] [Bug 1895615] Re: Backlight adjustment doesn't work on Google Pixel Slate

2020-09-22 Thread Alex Hung
It is a good idea to send your patch to below kernel's mailing lists so this can be reviewed by broader audiences to confirm it will work in all scenario. INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) M: Jani Nikula M: Joonas Lahtinen M: Rodrigo Vivi

[Kernel-packages] [Bug 1896482] Re: acpi event detection crashes

2020-09-21 Thread Alex Hung
The warning messages occurred between "ACPI: EC: interrupt blocked" and "ACPI: EC: interrupt unblocked". Let's try to apply all (17) mainline patches to ACPI EC to Ubuntu-5.4.0-47.51. If this solves the problems we can then bi-select to identify which patches are the solution and then backport to

[Kernel-packages] [Bug 1894733] Re: Most fn keys don't work on Puget laptop running 20.10

2020-09-14 Thread Alex Hung
@afsverissimo, You may want to file another bug for your brightness problem which may have different root cause and thus different required information. ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1895297] Re: My wifi adapter isn't working

2020-09-14 Thread Alex Hung
dmesg shows nothing of ath10k_pci (wifi driver). Please run "sudo modprobe -r ath10k_pci ; sudo modprobe ath10k_pci" to check whether wifi driver can be re-initialized? You may want to download and run live session of Ubuntu 20.04.1 ISO to verify whether Qualcomm Atheros QCA9377 works. **

[Kernel-packages] [Bug 1895378] Re: cpu frequency stuck to max when plugging USB device

2020-09-14 Thread Alex Hung
** Summary changed: - cpu frequency stuck to max when pugging USB device + cpu frequency stuck to max when plugging USB device ** Summary changed: - cpu frequency stuck to max when plugging USB device + cpu frequency stuck to max when plugging USB devices -- You received this bug notification

[Kernel-packages] [Bug 1895378] Re: cpu frequency stuck to max when pugging USB device

2020-09-14 Thread Alex Hung
You can try the following utilities to see whether CPUs are occupied before and after USB devices are plugged in 1. top - check whether any processes is running 2. watch -n1 cat /proc/interrupts - check whether any interrupts are generated at abnormal rates 3. powertop - more details of power

[Kernel-packages] [Bug 1892547] Re: [ 0.172384] ACPI Exception: Could not find/resolve named package element: OC06 (20170831/dspkginit-381) [ 0.172444] ACPI Exception: Could not find/resolve named pac

2020-09-14 Thread Alex Hung
#5 simply complains that ACPI BIOS can directly access I/O ports and Linux kernel is not fond of it. The warnings are very often harmless. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1892547] Re: [ 0.172384] ACPI Exception: Could not find/resolve named package element: OC06 (20170831/dspkginit-381) [ 0.172444] ACPI Exception: Could not find/resolve named pac

2020-09-14 Thread Alex Hung
The error messages are caused by BIOS bugs, and they cannot be fixed in Ubuntu. OC07 error in descriptions is declared but not defined in ACPI DSDT, i.e. External (OC07, UnknownObj). The OEMB in #6 has a checksum (i.e. one of OEMx) is a OEM-specific table and that's probably used in Windows

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-14 Thread Alex Hung
Sure I will update the information here.However, this will take a while, i.e. patch review -> mainline kernel -> stable kernel -> Ubuntu focal kernel. It is the same as using the kernel parameter, and the patch will not conflict with kernel parameter either. -- You received this bug

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-11 Thread Alex Hung
A patch was sent to upstream for review -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1894667 Title: [HP 635] Radeon 6310 brightness control does not work Status in linux package in

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-10 Thread Alex Hung
Please try the kernel @ https://people.canonical.com/~alexhung/LP1894667/ 1. remove kernel parameter "acpi_backlight=video" 2. download all deb 3. install kernel by "sudo dpkg -i *.deb" 4. reboot This should be the same as "acpi_backlight=video" 1. run "ls /sys/class/backlight" 2. verify

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-10 Thread Alex Hung
This is kind of expected since it is common that systems from 2011 use ACPI video interface. You can add the kernel into /etc/default/grub to make it consist across boots. I will compile a linux kernel with a workaround of "acpi_backlight=video" for testing. If this work I can submit to linux

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-09 Thread Alex Hung
Let's try manually whether backlight interfaces work. cd /sys/class/backlight/radeon_bl0 # get max brightness cat max_brightness # get current brightness cat brightness # change current brightness, assuming max=12 echo 12 | sudo tee brightness echo 6 | sudo tee brightness Once done,

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-09 Thread Alex Hung
For modifying / adding kernel parameters, please refer to https://wiki.ubuntu.com/Kernel/KernelBootParameters -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1894667 Title: [HP 635]

[Kernel-packages] [Bug 1894667] Re: [HP 635] Radeon 6310 brightness control does not work

2020-09-08 Thread Alex Hung
Please run "ls /sys/class/backlight/" to see what backlight interfaces are available. You may also want to try the kernel parameter for backlight such as below acpi_backlight= [HW,ACPI] { vendor | video | native | none } If set to vendor,

[Kernel-packages] [Bug 1894392] Re: brightness slider working but not the brightness in ubuntu 20.04

2020-09-08 Thread Alex Hung
Did you try to remove the kernel parameter "acpi_osi=linux"? Please run "ls /sys/class/backlight/" to see what backlight interfaces are available. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1882823] Re: int3403 thermal INT3403:00

2020-09-01 Thread Alex Hung
The fix is included in Ubuntu-5.4.0-43.47 and later ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1882823 Title:

[Kernel-packages] [Bug 1893624] Re: Ryzen 4800u, kernel 5.8.5 boot errors (AMD-Vi, ACPI, HDCP, Bluetooth)

2020-09-01 Thread Alex Hung
You can use apt purge to remove installed kernel: sudo apt purge linux- image-... linux-header-..., where ... is the version you want to remove. ** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1893624] Re: Ryzen 4800u, kernel 5.8.5 boot errors (AMD-Vi, ACPI, HDCP, Bluetooth)

2020-08-31 Thread Alex Hung
Linux 5.8.5-050805, or any kernels on https://kernel.ubuntu.com/~kernel- ppa/mainline/, is not a supported kernel version. Kernel 5.8 is also used on groovy. Please download and install deb @ https://people.canonical.com/~alexhung/LP1893624/ Once installed, please verify errors and update bug

[Kernel-packages] [Bug 1892909] Re: ACPI Error

2020-08-26 Thread Alex Hung
These object names look like "PCI Interrupt Link Device" but they are not declared (further analysis requires acpidump log - sudo acpidump > acpi.log). This is a BIOS bug which kernel can do little to help. Fortunately, if you don't observe any obvious failures, these errors can be ignored --

[Kernel-packages] [Bug 1891032] Re: Brightness key freeze screen

2020-08-26 Thread Alex Hung
You can use the GUI app "keyboard shortcuts" to setup custom keys, or you can manually modify hwdb files (ex. /lib/udev/hwdb.d/60-keyboard.hwdb). The following tutorials may provide some help. == Modify keymap == * cd /lib/udev/hwdb.d/ * edit keymap file (60-keyboard.hwdb) * add a change, ex

[Kernel-packages] [Bug 1892012] Re: Bluetooth doesn't turn on

2020-08-26 Thread Alex Hung
You can also try the unload & reload Bluetooth driver by "sudo modprobe -r btusb ; sudo modprobe btusb". It may save you some time. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1892012

[Kernel-packages] [Bug 1872351] Re: Qualcomm Atheros QCA6174 [168c:003e] Subsystem: Killer 1435 Wireless-AC [1a56:143a]: Disabling wifi causes kernel warning in __sta_info_destroy_part2

2020-08-25 Thread Alex Hung
Perhaps vicamo's comments #19 on LP:1891405 will help -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1872351 Title: Qualcomm Atheros QCA6174 [168c:003e] Subsystem: Killer 1435 Wireless-

[Kernel-packages] [Bug 1886588] Re: ath10k_pci often crashes in focal

2020-08-25 Thread Alex Hung
vicamo posted a probable solution @ https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891405. See #19 for more details -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1886588 Title:

[Kernel-packages] [Bug 1892012] Re: Bluetooth doesn't turn on

2020-08-25 Thread Alex Hung
This sounds like Bluetooth hardware malfunctions until a full reset (or completely powered off). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1892012 Title: Bluetooth doesn't turn on

[Kernel-packages] [Bug 1892547] Re: [ 0.172384] ACPI Exception: Could not find/resolve named package element: OC06 (20170831/dspkginit-381) [ 0.172444] ACPI Exception: Could not find/resolve named pac

2020-08-25 Thread Alex Hung
This should be an ACPI BIOS bug, and there is not much to be done in Linux. An acpidump log (sudo acpidump > acpi.log) is required for more analysis of what functions are impacted. ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification

[Kernel-packages] [Bug 1891032] Re: Brightness key freeze screen

2020-08-24 Thread Alex Hung
0. install acpidbg - sudo apt install linux-tools-`uname -r` linux- tools-generic trigger and check which of the following cause screen freeze 1. sudo acpidbg -b "e EV5 1 0" ("2 0" for brightness down) 2. sudo acpidbg -b "e \_SB.PCI0.GFX0.BRT6 1 0" ("2 0" for brightness down) 3. sudo acpidbg -b

[Kernel-packages] [Bug 1891032] Re: Brightness key freeze screen

2020-08-24 Thread Alex Hung
please refer to https://wiki.archlinux.org/index.php/backlight for more info on /sys/class/backlight/ interfaces -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1891032 Title: Brightness

[Kernel-packages] [Bug 1891032] Re: Brightness key freeze screen

2020-08-24 Thread Alex Hung
The flow of brightness hotkey is as follows key pressed -> ec triggers events -> bios/os performs a series of following functions -> ... -> ACPI EV5 -> ACPI BRT6 -> ACPI Notify LCD 0x86/0x87 -> ACPI VGA driver generates keycodes -> userspace write to

[Kernel-packages] [Bug 1890873] Re: no intel_backlight file

2020-08-24 Thread Alex Hung
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1890873 Title: no intel_backlight file Status in linux package in

[Kernel-packages] [Bug 1891032] Re: Brightness key freeze screen

2020-08-12 Thread Alex Hung
This can be related to BIOS or to kernel driver. Could you please run "ls /sys/class/backlight/" for backlight sysfs, and attach output of "sudo acpidump > acpi.log" for BIOS analysis. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1891130] Re: unable to coonect to wifi

2020-08-11 Thread Alex Hung
Since this system is upgraded from 18.04, it is also worthwhile to boot 20.04.1 USB and verify this issue. Suspend and resume can be tested in live session as well. ** Summary changed: - unable to coonect to wifi + unable to connect to wifi -- You received this bug notification because you

[Kernel-packages] [Bug 1891130] Re: unable to coonect to wifi

2020-08-11 Thread Alex Hung
Additional information with kaihengfeng's comment. dmesg shows wifi stops working after suspend and resume. wifi driver also tried to restart hardware but failed: [ 459.548998] e1000e: enp0s25 NIC Link is Down [ 461.601935] iwlwifi :03:00.0: Error sending REPLY_SCAN_ABORT_CMD: time out

[Kernel-packages] [Bug 1890873] Re: no intel_backlight file

2020-08-10 Thread Alex Hung
dmesg shows "video.use_native_backlight=1" is used. This kernel parameter is no longer available. You can replace with "acpi_video" acpi_backlight= [HW,ACPI] acpi_backlight=vendor acpi_backlight=video If set to vendor, prefer vendor specific driver (e.g.

[Kernel-packages] [Bug 1890873] Re: no intel_backlight file

2020-08-10 Thread Alex Hung
Do you mean you cannot adjust brightness with either hotkeys or GUI? intel_backlight is one of possible backlight interfaces. You can run "ls /sys/class/backlight" to find out what your system has. -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-08-10 Thread Alex Hung
** Changed in: linux (Ubuntu) Status: Confirmed => Won't Fix ** Changed in: linux (Ubuntu) Status: Won't Fix => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1890467] Re: wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control method not found

2020-08-06 Thread Alex Hung
You can try "sync" to force writing cache to USB drive. It is easier to remember. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1890467 Title: wmi_bus wmi_bus-PNP0C14:00: WQBC data

[Kernel-packages] [Bug 1890055] Re: Brightness control does not work with 5.4.0-42.26

2020-08-05 Thread Alex Hung
You can also try to verify sysfs interfaces such as below example $ ls /sys/class/backlight/ intel_backlight $ cd /sys/class/backlight/intel_backlight $ cat max_brightness 12 $echo 12 | sudo tee brightness $echo 6 | sudo tee brightness If this does not change brightness, something

[Kernel-packages] [Bug 1890467] Re: wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control method not found

2020-08-05 Thread Alex Hung
For waking up unexpected issues, you can try to disable wakeup devices via /proc/acpi/wakeup interfaces. See examples @ https://askubuntu.com/questions/148481/how-do-i-prevent- immediate-wake-up-from-suspend-and-or-hibernation -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1890467] Re: wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control method not found

2020-08-05 Thread Alex Hung
These ACPI warnings are harmless most of time, but that also depends on what ACPI BIOS does on your systems. = [ 0.659825] wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control method not found WQBC is required according to WMI spec and implementation on

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-08-05 Thread Alex Hung
Ubuntu 20.04.1 is going to be released on Aug 06 (tomorrow). You can also give it a try too. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1888570 Title: poweroff not working after apt

[Kernel-packages] [Bug 1888894] Re: Qualcomm Atheros QCA9377 [168c:0042] Subsystem [1028:1810] Ubuntu 20.04: wifi drops and speed is degraded periodically

2020-08-04 Thread Alex Hung
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/194 Title: Qualcomm Atheros QCA9377 [168c:0042] Subsystem

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-08-04 Thread Alex Hung
A fresh install would certainly help. It is also possible that additional drivers can cause this; NV proprietary driver can be an example of it. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1888894] Re: Qualcomm Atheros QCA9377 [168c:0042] Subsystem [1028:1810] Ubuntu 20.04: wifi drops and speed is degraded periodically

2020-07-31 Thread Alex Hung
Performance degrades can also related to power saving. Try kernel parameter "pcie_aspm=off" to verify whether it improves -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/194 Title:

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-07-30 Thread Alex Hung
#19 and forward assume kernel 5.3.0-61 is good, according to bug description; however, it may worthwhile to give it: https://people.canonical.com/~alexhung/LP1888570/Ubuntu-5.3.0-61.55/ Especially, all tries were bad kind of worrying... If it is good, the next one is

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-07-29 Thread Alex Hung
@gneisss, I forgot to remove to *tool*.deb. They aren't needed. next one: https://people.canonical.com/~alexhung/LP1888570/115f51d0fa11/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-07-28 Thread Alex Hung
Thanks. Next one is https://people.canonical.com/~alexhung/LP1888570/0affe1fa22b2/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1888570 Title: poweroff not working after apt upgrade

[Kernel-packages] [Bug 1888470] Re: wifi interface not working

2020-07-27 Thread Alex Hung
You can also update linux-firmware (from http://security.ubuntu.com/ubuntu/pool/main/l/linux-firmware/) and / or update system BIOS (do it with cautions). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1888470] Re: wifi interface not working

2020-07-27 Thread Alex Hung
It is odd that lspci shows you have a Qualcomm Atheros QCA9377 with driver ath10k_pci, but dmesg shows nothing about ath10k as QCA9377 never exists. Can you run lspci -v to confirm QCA9377 and run "sudo modprobe -r ath10k_pci ; sudo modprobe ath10k_pci" to unload and reload wifi driver. Also run

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-07-27 Thread Alex Hung
@gneiss, Thanks. Next one is https://people.canonical.com/~alexhung/LP1888570/d37a638086c1/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1888570 Title: poweroff not working after apt

[Kernel-packages] [Bug 1889050] Re: ASUS Vivobook Numpad not working

2020-07-27 Thread Alex Hung
*** This bug is a duplicate of bug 1810183 *** https://bugs.launchpad.net/bugs/1810183 You may need to report this to upstream or even to ASUS to support this device. Vendor may decide to support it on Linux with enough request. ** This bug has been marked a duplicate of bug 1810183

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-07-24 Thread Alex Hung
Correction to #19. The kernel is available @ https://people.canonical.com/~alexhung/LP1888570/19357b3b0835/ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1888570 Title: poweroff not

[Kernel-packages] [Bug 1888570] Re: poweroff not working after apt upgrade

2020-07-24 Thread Alex Hung
Thanks for reporting this, and your help is needed to identify the patch that causes this regression. There are 260 patches between 5.3.0-61 & 5.3.0-62, and it requires some testing with bisects (see below). $ git bisect start $ git bisect good Ubuntu-5.3.0-61.55 $ git bisect bad

[Kernel-packages] [Bug 1888695] Re: (Thinkpad L480) Booting hangs at the spinner screen when an HDMI cable is connected to an external monitor

2020-07-23 Thread Alex Hung
Please try mainline kernels (https://kernel.ubuntu.com/~kernel- ppa/mainline/), for example, 5.8rc6. If it works, please try 5.6 and then repeat bisecting. This can help identify whether fixes are available and what fix is. -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1888523] Re: PCIe Bus Error device 8086:a298 spam

2020-07-23 Thread Alex Hung
The errors comes from physical layer so they likely comes from the root port (00:1d.0) or the device attaches to it. Also, PCIe correctable errors are handled by hardware, so one can turn off some hardware- related features, such as apsm (pcie_aspm=off) or msi (pci=nomsi), to verify whether there

[Kernel-packages] [Bug 1888523] Re: PCIe Bus Error device 8086:a298 spam

2020-07-22 Thread Alex Hung
When a PCIe AER error is captured, an error message will be output to console. If it's a correctable error, it is output as a warning. Otherwise, it is printed as an error. So users could choose different log level to filter out correctable error messages.

[Kernel-packages] [Bug 1888523] Re: PCIe Bus Error device 8086:a298 spam

2020-07-22 Thread Alex Hung
PCI(e) is capable of correcting errors whenever possible. From your logs all of the errors are corrected and therefore nothing to worry about. If you see incorrectable errors you may observed device failures, or system failures in some cases. -- You received this bug notification because you

[Kernel-packages] [Bug 1887218] Re: Ryzen 5 3500U - laptop won't boot when on battery power

2020-07-20 Thread Alex Hung
A test kernel, based on UBUNTU: Ubuntu-5.4.0-42.46, is available @ https://people.canonical.com/~alexhung/LP1887218/ver1/ If this solves this bug, we can keep bisecting. If not, we can try other patches. The following commits are excluded: == merges == 1daa56bcfd8b329447e0c1b1e91c3925d08489b7

[Kernel-packages] [Bug 1887218] Re: Ryzen 5 3500U - laptop won't boot when on battery power

2020-07-20 Thread Alex Hung
Since the workaround involves amd's iommu and kernel 5.5, we may be able to find a patch that fixes this by cherry-pikcy: git log --pretty=short v5.4..v5.5 -- drivers/iommu/amd_iommu.c commit 1daa56bcfd8b329447e0c1b1e91c3925d08489b7 Merge: a5255bc31673 9b3a713feef8 Author: Linus Torvalds

[Kernel-packages] [Bug 1882823] Re: int3403 thermal INT3403:00

2020-07-20 Thread Alex Hung
It shouldn't be long that Ubuntu 20.04 kernel gets it from upstream. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1882823 Title: int3403 thermal INT3403:00 Status in linux package in

[Kernel-packages] [Bug 1882823] Re: int3403 thermal INT3403:00

2020-07-20 Thread Alex Hung
The patch was meraged to 5.4 stable 5 hours ago - = This is a note to let you know that I've just added the patch titled thermal: int3403_thermal: Downgrade error message to the 5.4-stable tree which can be found at:

[Kernel-packages] [Bug 1887564] Re: Laptop XPS13 can't sleep Ubuntu 16.04.6 LTS when USB3 device is/was attached.

2020-07-16 Thread Alex Hung
@bybeu, USB Emulation: This allows USB devices (keyboard, mouse, USB drives) to operate in BIOS / DOS. USB Powershare: This allows USB ports to provide powers in sleep or power-off, depends on hardware designs. This consumes some battery power in sleep or power-off USB Wake Support: This allows

[Kernel-packages] [Bug 1887703] Re: 5.4 is not identifying all ports on Intel x710-TM4 10GbE controller

2020-07-16 Thread Alex Hung
** Description changed: The Intel x710-TM4 is one of the latest 10GbE controllers from intel using the i40e driver. This particular 4 port comes in a 2x2 - arrangement: 2x SFP+ and 2x RJ-45. This car is enabled in 5.4 via the + arrangement: 2x SFP+ and 2x RJ-45. This card is enabled in 5.4

[Kernel-packages] [Bug 1887564] Re: Laptop XPS13 can't sleep Ubuntu 16.04.6 LTS when USB3 device is/was attached.

2020-07-15 Thread Alex Hung
If this problem only occurs after you upgrade kernel, we may be able to identify the regression patch by bisecting kernels if a passing kernel version is shared. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1887564] Re: Laptop XPS13 can't sleep Ubuntu 16.04.6 LTS when USB3 device is/was attached.

2020-07-14 Thread Alex Hung
You can disable USB3 wakeup by modifying "/proc/acpi/wakeup" 1. list all wakeup sources - cat /proc/acpi/wakeup 2. enable or disable by echo device name - for example, my USB3 is XHC - echo XHC | sudo tee /proc/acpi/wakeup 3. confirm changes - cat /proc/acpi/wakeup -- You received this bug

[Kernel-packages] [Bug 1885671] Re: Touchpad is not detected - HP Probok 430 G2

2020-07-09 Thread Alex Hung
@azimcuetcse01, I believed vicamo meant the procedures in comment #2, such as 1. upload logs by running "apport-collect 1885671" 2. change bug status to "confirm" Please update to latest packages and kernel (sudo apt update && sudo apt upgrade -y && sudo reboot) and reproduce the bug before

[Kernel-packages] [Bug 1886588] Re: ath10k_pci often crashes in focal

2020-07-09 Thread Alex Hung
The log in description clearly points out "firmware crashed", and that may be something we can forward to the hardware vendor. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1886588

[Kernel-packages] [Bug 1886248] Re: f6 Function key is not working

2020-07-08 Thread Alex Hung
Do you mean "F6" or the "hotkey" on your F6? More information will be needed such as what F6 function key (hotkey) is supposed to do and what laptop you have and so on. Running apport- collect as in #1 will certainly helps. Did you try Ubuntu 20.04 USB-live and verify whether this also happens

[Kernel-packages] [Bug 1886248] Re: f6 Function key is not working

2020-07-08 Thread Alex Hung
It would be a great help to list which previous kernel version works, too. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1886248 Title: f6 Function key is not working Status in linux

[Kernel-packages] [Bug 1886588] Re: ath10k_pci often crashes in focal

2020-07-08 Thread Alex Hung
I have also a Qualcomm Atheros QCA6174 and can observe it fails from time to time, not in focal only. More discussion can be found in LP:1872351 While there aren't solution now, I use "sudo modprobe -r ath10k_pci ; sudo modprobe ath10k_pci" to avoid rebooting the system. -- You received this

[Kernel-packages] [Bug 1879082] Re: Kernel reporting 100% battery, always

2020-07-08 Thread Alex Hung
** Changed in: linux (Ubuntu) Status: In Progress => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1879082 Title: Kernel reporting 100% battery, always Status in

[Kernel-packages] [Bug 1882823] Re: int3403 thermal INT3403:00

2020-06-18 Thread Alex Hung
I also cc'ed stable which includes kernel 5.4. It should be available in kernel 5.4 automatically when (and if) it lands into mainline kernel. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1879082] Re: Kernel reporting 100% battery, always

2020-06-16 Thread Alex Hung
#17 looks like correct behavours. I also noticed #13 said battery was acting without problems anymore. Is it still the case or did you have problems when running #17? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1882823] Re: int3403 thermal INT3403:00

2020-06-15 Thread Alex Hung
A patch was sent for reviews: https://marc.info/?l=linux- pm=159226080621530=2 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1882823 Title: int3403 thermal INT3403:00 Status in linux

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