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How to diagnose/fix timeouts on file dialogs

bt flag

My Ubuntu regularly gets in a pickle with opening file dialogues/dialogs for some reason - e.g. "Open File..." or "Save as..." or just trying to open a Nautilus window.

It causes the app that wanted to use the dialog to freeze up for minutes, giving me the "xxxx app is not responding, Force Quit/Wait?" If I wait long enough it will come up, but this can be several minutes.

top says nothing, syslog says nothing (or nothing relevant I think).

How can I find out what's hanging it?

I'm on 20.04 with vanilla Gnome Shell.

David avatar
cn flag
New or has always done this?
bt flag
honestly it comes and goes. New. Sometimes I think it's to do with a samba share (in /etc/fstab, not gfs) I use combined with frequent suspend/resume + changing wifis. But `umount -l /the/share` doesn't fix it, so maybe it's not that. It's definitely a timeout of something though, just can't tell what it's waiting for!
David avatar
cn flag
Are you sure the external drive is not going into a sleep mode and the delay is the drive spinning up?
bt flag
It is an external drive (attached to a raspberry pi which shares using samba) but that drive is in near constant use, so it's not turning off.
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