** Tags removed: eoan
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https://bugs.launchpad.net/bugs/1717796
Title:
Bluetoothd fills 100% CPU when bluetooth keyboard goes in idle
Status in Bluez Utilities:
Actually, my apologies. I rebooted after reinstalled the revised version
of bluez and it all works fine now. Thank you so much!
-Isaac
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Hi,
I'm not sure if this is the right place to post this. But basically, I
applied the patch that Steve created but the issue appears to persist.
Did I apply it properly? Here's what I did: I edited
bluez/profiles/input/device.c and then ran './configure', 'make' and
'make install'.
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** Tags added: eoan
** Changed in: bluez (Ubuntu)
Status: Expired => Confirmed
** Changed in: ubuntu-power-consumption
Status: Expired => Confirmed
** Bug watch added: Linux Kernel Bug Tracker #204275
https://bugzilla.kernel.org/show_bug.cgi?id=204275
** Also affects: bluez
[Expired for bluez (Ubuntu) because there has been no activity for 60
days.]
** Changed in: bluez (Ubuntu)
Status: Incomplete => Expired
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[Expired for The Ubuntu Power Consumption Project because there has been
no activity for 60 days.]
** Changed in: ubuntu-power-consumption
Status: Incomplete => Expired
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Can anyone experiencing this bug please report it to the BlueZ
developers here:
https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers
with Component = Bluetooth, and then tell us the new bug ID?
** Changed in: ubuntu-power-consumption
Status: Confirmed => Incomplete
** Changed in:
Dear Ubuntu dev Team
DON'T MAKE "UPGRADES" WHICH CHANGE PERMISSIONS!!!
It is a permission problem with my home folder and pulseaudio.
I've had 2 issues:
- bluetoothd operating at 100% of one CPU core
- no way to connect ANY bt device
If happened after one of your "upgrades", so please test
** Also affects: ubuntu-power-consumption
Importance: Undecided
Status: New
** Changed in: ubuntu-power-consumption
Importance: Undecided => Medium
** Changed in: bluez (Ubuntu)
Importance: Undecided => Medium
** Changed in: ubuntu-power-consumption
Status: New =>
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: bluez (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1717796
Thanks. Unfortunately it appears bluetoothd is a single-threaded program
spinning its g_main_loop without actually doing any heavy work on each
iteration. This makes it hard to identify the cause of the problem
without running it through a profiler.
** Changed in: bluez (Ubuntu)
Status:
In attach the requested trace output.
** Attachment added: "stacks.txt"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1717796/+attachment/4954314/+files/stacks.txt
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We need some stack information to help us determine the cause of the CPU
spikes.
1. Download the attached dstack script to your home directory.
2. Log in to a virtual terminal (Ctrl+Alt+F1), and switch back (Ctrl+Alt+F7)
3. When the spike happens, switch to Ctrl+Alt+F1 and run this:
sudo -s
This is my kernel.log when bluetoothd goes at 100%:
"
Sep 17 18:41:43 GB-BXBT-2807 kernel: [ 7738.885123] hid-generic
0005:0A5C:8502.000B: unknown main item tag 0x0
Sep 17 18:41:43 GB-BXBT-2807 kernel: [ 7738.885475] input: Bluetooth Keyboard
as
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