On Thu, Oct 17, 2019 at 12:17 AM Adrien Monteleone
<[email protected]> wrote:
> Sorry, I was confusing things. It was libboost that was updated in bionic
> which should make building 3.7 easier. But I haven’t tried it in a while.
I realized another option might be to rebuild GnuCash 2.6.19 on an
updated 18.04.
However, (a) I cannot readily reproduce the freeze and (b) Ubuntu
19.10 has been released. So I am likely to jump to 19.10, rather than
trying to diagnose the freeze on 18.04.
> That depends on how you did the update. If by apt in a terminal, there are
> several ways to see the upgrade/full-upgrade history.
>
> You can view, grep, tail, etc. on:
> /var/log/apt/history.log
> /var/log/dpkg.log
I used apt-get dist-upgrade, possibly preceded by apt-get upgrade. It
looks like the information is logged in the files you mention.
> > When GnuCash freezes, the CPU cores on my system are mostly idle. So
> > there is no CPU or disk bottleneck that I can see.
>
> Try starting htop first, (a little better formatted than simple ‘top’) then
> launch GnuCash, observe the resource hit, and keep an eye on it. See if you
> can trigger the crash while watching htop’s output. And of course, check the
> tracefile. These wiki pages might be of interest, particularly the section on
> tweaking the tracefile and running from the command line for more output:
I actually use both htop and top.
I believe the most recent freeze happened when there was at least 1GB
of free RAM (and probably at least 4GB free, I forget exactly).
I was mostly puzzled by the output of free:
$ free -h
total used free shared buff/cache available
Mem: 15G 4.2G 9.5G 35M 1.9G 11G
Swap: 0B 0B 0B
Something is using 2.3G of RAM. (4.2G - 1.9G = 2.3G). What? No
running process is using that much RAM. And it is not "buff/cache".
I either need a better understanding of the information free displays,
or I need a tool that describes memory usage in more detail.
Thanks again for your help.
-Parke
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