Em 06/01/2018 19:12, MR ZenWiz escreveu:
On Sat, Dec 30, 2017 at 6:44 PM, Tigerwolf <tigerw...@tigerden.com> wrote:
On Sat, 30 Dec 2017, MR ZenWiz wrote:
I run Xubuntu 16.04 LTS on all my systems. On my HP8740w laptop,
occasionally when I do something (I'll explain below), the cursor focus on
my terminal windows gets lost and I can't type anything in the terminal
windows.
The vanishing cursor/malfunctioning terminals is also an issue with the Unix
console text terminals when using Ctl-Alt-F1 to -F6
I believe I have found the problem.
My home directory is encrypted on my laptop. Whenever I go to access
one of the subdirectories for the first time, the machine stops
briefly while it decrypts what it needs to i norder to access the
files. While this is happening, the whole machine seems to stop.
After a few seconds, everything comes back to life and processing continues.
I suppose I need to be more patient (or use an SSD...).
Thanks.
MR
So this is the old unsolved case of the desktop freezing on I/O
operations. I have tried so many different things, but this always comes
back to bite me, no matter what disk scheduler I use, if I use a swap or
not, how I set vm.dirty_*, etc.
Unfortunately, most kernel developers seem to use SSDs, so I don't think
this will ever be fixed. In fact, it seems to have become a lot worse in
more recent Linux versions. There were a few patches recently that were
supposed to alleviate this problem (Linux 4.10, I think), but I haven't
noticed any improvements at all.
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