Power cycling does not appear to trigger the bug, as well as attempting
to recreate the original circumstances (turning off wireless through
system tray + shutdown).
Specs:
Dell Inspiron 17 3000 (Reg Model P35E)
Ubuntu 18.04.1, kernel 5.0.0-36-generic
Qualcomm Atheros QCA9377 wireless adapter
--
Bug also possibly found on 18.04, kernel 5.0.0-36-generic; will need
confirmation. (First occurrence)
** Attachment added: "20191201_012839.jpg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1724317/+attachment/5309037/+files/20191201_012839.jpg
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*** This bug is a duplicate of bug 1848790 ***
https://bugs.launchpad.net/bugs/1848790
About the problem of "there is no /dev/mmcblk0* device", I checked your
dmesg, there are two places are weird
the 1st one is about the raspberrypi-firmware, on my board, the dmesg will show:
[0.100540]
There is only one PLL (Phase Locked Loop) in the processor, all CPUs get
the resulting clock. When they go into deep idle states (deeper than C1,
at least for my processor) then they give up their vote into the PLL as
to what the frequency should be. Your single 100% task is dedicating the
CPU
Will the required pat set be backported to older kernel, such as Ubuntu
4.15.0-70.79-generic 4.15.18?
Will the patches be in 20.04 LTS (kernel >= 4.18), which is around the
corner?
NOTE:
Unfortunately with issue #1774711 the use of "auditd" has become
problematic on systems with SSDs, since
@Doug Smythies: thanks for the reply.
I'm sampling every second.
Anyway, just to better understand.
When my system is idle all cores spend in C0 less than 10% of the time and the
frequency of each core reported by i7z is different and below 2.2GHz. When I
run a single core (and single thread)
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New => Confirmed
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This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1854592
Title:
kern.log flooded by ACPI
Public bug reported:
I use Ubuntu 19.10 AMD64 (completely up to date) on a Lenovo Thinkpad S1 Yoga
12, and I've just noticed that /var/log/kern.log is flooded by messages like :
Nov 30 21:12:44 yoga kernel: [ 526.471259] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1
arguments were passed to a non-method
@Davide Sangalli: What you describe and show in your comment #80 is
correct and exactly what should happen. Your processor is spending an
extraordinary amount of time in C1 as opposed to deeper idle states. At
what sampling frequency do you run i7z? I would suggest once every 15
seconds or so, so
I also mention that, monitoring with i7z the clock of my CPU, when intel turbo
is not working I get different freqs for each core
Core [core-id] :Actual Freq (Mult.) C0% Halt(C1)% C3 % C6 %
Temp VCore
Core 1 [0]: 1126.19 (11.23x) 7.9993.9 1
*** This bug is a duplicate of bug 1848790 ***
https://bugs.launchpad.net/bugs/1848790
Hi @hui.wang,
the RPi4 boots off the sdcard normally but then I use a USB3 enclosure
with disks to assemble a RAID1 BTRFS device to be used as rootfs. At the
end of the boot, there is no /dev/mmcblk0*
Public bug reported:
Bluetooth disconnect randomly and is out of order since I restart the computer.
Stop and restart BT service doesn't change the issue.
This happen on Asus M70V computer.
sudo service bluetooth status
● bluetooth.service - Bluetooth service
Loaded: loaded
Public bug reported:
The seccomp man page states the for signals generated by
SECCOMP_RET_TRAP, "The program counter will be as though the system call
happened (i.e., the program counter will not point to the system call
instruction)."
However if x0 (first argument and return value) contains the
** Attachment added: "Test case for skipped syscall"
https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/1854573/+attachment/5308877/+files/sysemu_test.c
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Public bug reported:
If system call number -1 is called and the process is being traced with
PTRACE_SYSCALL, for example by strace, the seccomp check is skipped and
-ENOSYS is returned unconditionally (unless altered by the tracer),
rather than carrying out action specified in the seccomp filter.
** Changed in: linux
Status: Confirmed => Unknown
** Bug watch added: gitlab.freedesktop.org/drm/intel/issues #91
https://gitlab.freedesktop.org/drm/intel/issues/91
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I sometimes trying to fix this for minutes, without any luck. But also
realized that when reconnecting there should be connected another
headphones, even if usb c one. Will be watching bwhaviour. Having issues
with Sone 1000xm3.
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