[HEADS-UP] Please test kdbus in Rawhide!

[Orion Poplawski]

On 07/30/2015 09:45 PM, Zbigniew Jędrzejewski-Szmek wrote:
> On Thu, Jul 30, 2015 at 04:54:18PM -0600, Orion Poplawski wrote:
>> On 07/30/2015 11:57 AM, Lennart Poettering wrote:
>>> Heya!
>>>
>>> I'd like to ask everybody to test kdbus on Rawhide. Josh thankfully
>>> added it to the Rawhide kernel packages, and our systemd RPMs come
>>> with built-in support, too now. If you are running an up-to-date
>>> Rawhide system adding "kdbus=1" to your kernel command line is hence
>>> everything you need to run kdbus instead of dbus-daemon. (No
>>> additional RPMs need to be installed.) If you do, things should just
>>> work the same way as before, if we did everything right. By adding or
>>> dropping "kdbus=1" to/from the command line you can enable kdbus or
>>> revert back to dbus1 on each individual boot.
>>
>> What I see:
>>
>>
>> # dmesg | grep dbus
>> [    0.000000] Command line:
>> BOOT_IMAGE=/boot/vmlinuz-4.2.0-0.rc4.git3.1.fc24.x86_64
>> root=UUID=82dead0b-1e73-41b9-a46e-a107f23fda68 ro quiet LANG=en_US.UTF-8 kdbus=1
>> [    0.000000] Kernel command line:
>> BOOT_IMAGE=/boot/vmlinuz-4.2.0-0.rc4.git3.1.fc24.x86_64
>> root=UUID=82dead0b-1e73-41b9-a46e-a107f23fda68 ro quiet LANG=en_US.UTF-8 kdbus=1
>> [    0.976597] systemd[1]: Failed to insert module 'kdbus': Function not
>> implemented
>> [    6.523291] kdbus: initialized
>> [    6.523379] systemd[1]: Inserted module 'kdbus'
>> [ 1166.601797] systemd-dbus1-generator[7138]: Failed to create
>> /run/user/0/systemd/generator.late/dbus-org.kde.kuiserver.service: File exists
>>
>> Why the earlier failure?
> Josh answered that.
> 
>> Getting duplicate requests for dbus-org.kde.kuiserver.service?
> It would seem that there must be two dbus-1 service files with the
> same Name= key. What does 'grep org.kde.kuiserver /usr/share/dbus-1/*/*' say?
> 

Looks like it:

/usr/share/dbus-1/services/kf5_org.kde.kuiserver.service:Name=org.kde.kuiserver
/usr/share/dbus-1/services/org.kde.kuiserver.service:Name=org.kde.kuiserver

plasma-workspace-5.3.2-5.fc24.x86_64
kde-runtime-15.04.3-1.fc23.x86_64

Filed https://bugzilla.redhat.com/show_bug.cgi?id=1249157

> [Hint: You can run the generator for debugging at any time with
> mkdir /tmp/x; /usr/lib/systemd/systemd-dbus1-generator /tmp/{x,x,x}
> 
> Add SYSTEMD_LOG_LEVEL=debug or strace or similar for more detail ;) ]
> 
> Zbyszek
> 


-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       orion at nwra.com
Boulder, CO 80301                   http://www.nwra.com