https://bugs.kde.org/show_bug.cgi?id=515692

--- Comment #15 from Larry <[email protected]> ---
(In reply to Patrick Silva from comment #5)
> On my system I'm able to unmount a nfs share on the first attempt even while
> Dolphin is showing its contents.

I tried not clicking on the NFS device in the left panel, but instead created a
directory entry (mount point from fstab: /home/larry/My-media/My-videos). The
mount is successful, but within two seconds, the error 'Current location
changed, XYZ no longer available' occurs – bug 516275.

I described my issues with Dolphin to an AI and asked it to review the bug
reports. Here is a brief technical summary:

'Why this is happening (technical summary from the bugs):
The root cause is a race condition within the KIO (KDE Input/Output) framework.
When you click in Dolphin, KIO immediately checks for the target's existence.
At that exact moment, systemd "pauses" the process at the kernel level to
trigger the automount. However, KIO uses a very aggressive internal timeout
(often in the range of milliseconds) and fails before the mount is completed.'

Perhaps your NFS response time is a few milliseconds faster than mine, which is
why the error doesn't occur for you. With CIFS, your response time is likely
slower, which is why it causes the same issues there as it does for me with
NFS.

BTW: Updating to KDE Plasma 6.6.1 did not resolve my issue.

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