Description of problem:
When a notification appears and, specially if you are typing, UI freezes for a second, which is very annoying, and sometimes the key you were pressing appears like pressed about 5 times.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
2.Receive a notification
UI freezes for a second
UI should not freeze
My laptop is quiet powerful I think, intel core i7 7500U and 16GB of RAM, so I don't think the problem is lack of machine power.
I can reproduce this issue too. It is a clear regression from Fedora 27. See also bug #1565931.
I had this issue reproducing on BTRFS. After migrating the entire system via copying all data to EXT4 over LVM the issue is gone.
After using Fedora 29 Beta for a few days, I have not seen the bug any more. I think it has been fixed in GNOME 3.30.
(In reply to Serge Matveenko from comment #2)
> I had this issue reproducing on BTRFS. After migrating the entire system via
> copying all data to EXT4 over LVM the issue is gone.
I highly doubt that this issue is in any way related to your filesystem. Even if GNOME shell did access the disk during window focus switch, the kernel would have cached that.
(In reply to Christian Stadelmann from comment #3)
> After using Fedora 29 Beta for a few days, I have not seen the bug any more.
> I think it has been fixed in GNOME 3.30.
It's really promising. Thanks!
> I highly doubt that this issue is in any way related to your filesystem.
> Even if GNOME shell did access the disk during window focus switch, the
> kernel would have cached that.
Well. It still shows up but rarely and only if there is some swap used. So, magically it is related to FS while it is not related.
(In reply to Serge Matveenko from comment #4)
> Well. It still shows up but rarely and only if there is some swap used. So,
> magically it is related to FS while it is not related.
I have seen this issue heavily on Fedora 28 and I didn't even have a swap and plenty of RAM free.
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