1. Downgraded bluez from 5.64-0ubuntu1 to 5.53-0ubuntu3.6
2. forgot the bt device on my phone and power cycle the machine
ii bluez 5.53-0ubuntu3.6
amd64Bluetooth tools and daemons
Linux u-Precision-5570 5.15.0-69-generic #76-Ub
1. Fresh installed ubuntu-22.04.2-desktop
2. Installed 5.15 kernel
ii bluez 5.64-0ubuntu1
amd64Bluetooth tools and daemons
Linux u-Precision-5570 5.15.0-69-generic #76-Ubuntu SMP Fri Mar 17
17:19:29 UTC 2023 x86_64 x86_64 x86
The BT adv feature
1. works with 5.15 + bluez (20/stable) 5.53-7
2. doesn't work with 5.15 + bluez (22/beta) 5.64-3
3. (from Dilyn and Wendell) works with 5.19 + bluez (22/beta)
It's still unclear why bluez requires specific version of kernel.
Do we have a bluez expert to consult what kind of feat
@AceLan,
In the comment #32 you were saying: "removed the beta bluez, and install stable
bluez"
It looks like you removed bluez that was from 22/beta track (bluez (22/beta)
5.64-3),
and then installed one from 20/stable track (bluez 5.53-7 334 20/stable).
You wrote that with that revision of blu
I tested on my Dell 5570 using the 5.19 kernel that Dilyn hacked into place on
a Dell 5570.
I also tested using the normal ubuntu Core 5.15 kernel.
With the 5.15 kernel the bluetooth advanced features did not work.
With the 5.19 kernel from Dilyn, the bluetooth advanced features do work.
I inst
Is it possible that we can get a release of the OEM kernel this laptop
is certified for as a snap?
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Title:
Bluetooth works on deskto
I assume that because you're using an x1 revision of the pc-kernel snap
you're using the 5.15 image I produced?
Note that I tested both 22/stable and 22/beta of the bluez snap and saw
identical results for both revisions after multiple reboot cycles on
both of them. In every case, it appears that
From Dilyn's steps, he install the beta version of the bluez, and here
is what I found.
1. power cycle the machine
2. install beta bluez, the advinfo doesn't work
acelankao@ubuntu:~$ uname -a
Linux ubuntu 5.15.0-58-generic #64-Ubuntu SMP Thu Jan 5 11:43:13 UTC 2023
x86_64 x86_64 x86_64 GNU/Linux
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Title:
Bluetooth works on desktop but not on ubuntu core
Status in bluez package in Ubuntu:
Confirmed
Bug description:
We have
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Title:
Bluetooth works on desktop but not on ubuntu core
Status in bluez package in Ubuntu:
Confirmed
Bug description:
We have
Tried many different ways to recover the status(advinfo should work),
but in vain, so I removed customer's snaps, removed the beta bluez,
installed the stable bluez and then power cycle the machine. The advinfo
works again.
acelankao@ubuntu:~$ snap list
NameVersion RevTracking
** Attachment added: "lsusb_vvv.log"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/2006517/+attachment/5656717/+files/lsusb_vvv.log
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acelankao@ubuntu:~/bci-snaps$ snap connections bluez
Interface PlugSlot Notes
bluetooth-control bluez:bluetooth-control - -
bluez blackrock-bci-moveagain:bluez bluez:service manual
bluez
I followed the steps Dilyn provides, and the bt adv feature is gone,
even if I connected the bluez:bluetooth-control manually.
acelankao@ubuntu:~/bci-snaps$ uname -a
Linux ubuntu 5.15.0-58-generic #64-Ubuntu SMP Thu Jan 5 11:43:13 UTC 2023
x86_64 x86_64 x86_64 GNU/Linux
acelankao@ubuntu:~/bci-sna
Find new requested info in the attachment.
Note that
$ snap info bluez && snap connections bluez # version of bluez (even
it's not been updated for a while, but we may not remember what it is
after a while)
$ snap info pc-kernel
$ sudo lspci -nn -vvv -k
$ sudo lsusb -vvv
Are all provided in the
- Dell Precision 5570[1] has the CNVi wireless module on an Alder Lake-S
platform. The wireless module needs the correct firmware[2] for bluetooth to
work. Based on Dilyn's comment #18[3], it's unclear if the firmware has been
loaded on Core. Please check dmesg and see if it loads the
intel/ibt
Attached is a tarball of the output of several commands:
lspci -vvv -k
lsusb -v
curl
https://raw.githubusercontent.com/snapcore/snapd/master/debug-tools/snap-debug-info.sh
| sudo sh
I've included an additional test, one with bluez installed in devmode;
the apparmor denials still appear, but in
Attached is a tarball of the output of several commands:
lspci -vvv -k
lsusb -v
curl
https://raw.githubusercontent.com/snapcore/snapd/master/debug-tools/snap-debug-info.sh
| sudo sh
bluez.btmgmt advinfo
** Attachment added: "tests.tar"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/2
Notably:
If you fetch the 5.19 package on Jammy using apt and do some magic to
repack the relevant kernel EFI binary, modules, and firmware for THIS
version of the kernel (instead of the 5.15 release which comes with
UC22), you can successfully query advanced bluetooth features:
linux-image-5.19.
Info run on Desktop
** Attachment added: "devices-info-desktop"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/2006517/+attachment/5655980/+files/devices-info-desktop
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Info run on Core
** Attachment added: "devices-info-core"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/2006517/+attachment/5655979/+files/devices-info-core
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https
dilyn-corner@ubuntu:~$ sudo bluez.btmgmt
[mgmt]# info
Index list with 1 item
hci0:Primary controller
addr A0:80:69:60:CB:E6 version 12 manufacturer 2 class 0x00
supported settings: powered connectable fast-connectable discoverable
bondable link-security ssp br/edr hs le secure-conn
Should work well now
acelankao@ubuntu:~$ sudo bluez.btmgmt
[mgmt]# info
Index list with 1 item
hci0: Primary controller
addr 60:E3:2B:67:3E:CC version 12 manufacturer 2 class 0x10010c
supported settings: powered connectable fast-connectable discoverable
bondable link-security ss
>From Jesse, the interface is not connected, could you try below connect
command and try your app again?
$ sudo snap connect bluez:bluetooth-control
acelankao@ubuntu:~$ sudo btmgmt version
Version 5.53
acelankao@ubuntu:~$ sudo btmgmt revision
Invalid command in menu main: revision
Use "help" for
The title of the bug seems incorrect, the Bluetooth AdvertisementMonitor
does not work with bluetoohd from bluez 22/stable: 5.64-2 2022-05-03
with Ubuntu Core22 on Dell Precision 5570.
I would assume the rest of bluetooth functions and profile are still working, eg
% bluetoothctl show
If order to
>From the dmesg logs, the kernel you use on desktop(5.15.0-56) and on
core(5.15.0-58) are not the same, but I've checked the kernel logs,
there is no update on bt driver part between the 2 kernel versions. It'd
be good if you can help me to update the kernel to make sure the kernel
versions are ide
I'm not sure what your question means "Are you sure the function is
lost?"
The logging messages in this comment thread are from the logging from
bluetoothd.
We have our own software that we run at a later point that attempts to
use the bluetooth adv_features, but it fails to find any adv_features
Are you sure the function is lost? Looks like the Adv Monitor is running
even the features callback returns an invalid value.
Feb 07 23:50:34 ubuntu bluetoothd[1562]:
src/advertising.c:read_adv_features_callback() Failed to read advertising
features: Not Supported (0x0c)
Feb 07 23:50:34 ubuntu b
@Daniel,
Those denials should be resolved by this PR
(https://github.com/snapcore/snapd/pull/12496). The problem is if we run
this snap in devmode, skipping over apparmor entirely, the root problem
still exists. Namely, bluetooth does not function on the device. With
the relevant interface changes
@Daniel,
The same Ubuntu Core image works as expected on the Thinkpad E15 and x86 Mac.
Why would the lack of "some extra privileges" impact how it runs on the Dell
system, but not Thinkpad and Mac?
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The locality to this apparmor denial suggests to me it's just the bluez
snap that needs to request some extra privileges.
Feb 07 23:50:34 ubuntu audit[1562]: AVC apparmor="DENIED" operation="create"
profile="snap.bluez.bluez" pid=1562 comm="bluetoothd" family="alg"
sock_type="seqpacket" protocol
When you run desktop on the Dell 5570 (where everything works), what
files are open by the bluetoothd process? Anything unusual in /dev/ ?
** Tags added: jammy
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This bug is for Core - so apport-collect is not available.
Adding some more logging output in this comment. I believe our bug is a result
of the logging at that says: src/advertising.c:read_adv_features_callback()
Failed to read advertising features: Not Supported (0x0c)
Our code does tr
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