Bug#1042929: plasma-workspace: plasmashell becomes unresponsive for several minutes when a USB drive is plugged in
Hi Alex,
On Wed, 02 Aug 2023 21:12:46 -0400 Alex Krusemark
<akrusemark@posteo.net> wrote:
> Package: plasma-workspace
> Version: 4:5.27.5-2+b2
> Severity: important
> X-Debbugs-Cc: akrusemark@posteo.net
>
> Upon plugging in a USB flash drive to the computer, plasmashell (such
> as the panel, launcher, and krunner) freezes and become completely
> unresponsive for several minutes. During this time I can use programs
> in open windows and kwin continues working, but I cannot interact with
> plasma itself. After a few minutes, the new disk becomes available and
> plasmashell usually starts working again.
>
> I am not sure whether the root cause is in plasmashell, udisks, or
> somewhere in between, but of course the shell is not expected to
> freeze while waiting on a background job.
>
> While the shell is frozen, it logs this output:
>
> kf.solid.backends.udisks2: Error getting props:
> "org.freedesktop.DBus.Error.NoReply" "Did not receive a reply.
> Possible causes include: the remote application did not send a reply,
> the message bus security policy blocked the reply, the reply timeout
> expired, or the network connection was broken." for "/org/freedesktop/
> UDisks2/block_devices/sdi" file:///usr/share/plasma/plasmoids/
> org.kde.plasma.devicenotifier/contents/ui/DeviceItem.qml:36:5:
> Unable to assign [undefined] to bool
Unfortunately, I cannot reproduce this. kglobalaccel used to cause CPU
spikes when inserting a USB device, but this behaviour has become
significantly better over the years and definitely doesn't freeze the
plasmashell for several minutes anymore.
Can you monitor which application or process is maybe hogging your CPU
when you plugin something ?
Otherwise, I could suggest that you file a bug upstream.
--
Med vänliga hälsningar
Patrick Franz
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