Re: [libreoffice-users] Re: Reports Libre Base

Peter,

Here are some links to the threads I posted on LinuxQuestions.org about 
this matter. The thread title is (in case you want to search for it 
instead of logging into LinuxQuestions):

*Problem with the 4.4.75 kernel security upgrade dated 26 June 2017 (SSE 
2017-177-01)*

https://www.linuxquestions.org/questions/slackware-14/problem-with-the-4-4-75-kernel-security-upgrade-dated-26-june-2017-sse-2017-177-01-a-4175610351/

And somehow this one got separated from the main thread:
https://www.linuxquestions.org/questions/slackware-14/problem-with-the-4-4-75-kernel-security-upgrade-dated-26-june-2017-sse-2017-177-01-a-4175610351/page2.html#post5771382

The fix, as stated in the response from "bormant" on the 08-07-17, 11:25 
AM posting, is to add
"stack_guard_gap=6" to the LILO "append=" statement. If you are not 
using Lilo, then this may look differently. The idea is to pass this 
statement to the kernel when it boots. The second link is from a *buntu 
user and has a link to a ubuntu answer to adding this argument to Grub, 
the *buntu boot loader.
https://askubuntu.com/questions/19486/how-do-i-add-a-kernel-boot-parameter/19487#19487

There is one caveat to this fix I should have mentioned in my first 
response. The problem only shows up on 32-bit Linux, not 64-bit. So, if 
you are running 64-bit Linux, this may not help. The alternate solution 
would be to switch to 64-bit Linux, but then that could open up another 
can of worms. I have been sticking to 32-bit because of the 32-bit apps 
that I rely on.

I said it was technical.

HTH.
Girvin



On 11/28/2017 12:35 PM, Peter wrote:
> Generally I allow all updates that come through.  How do I add the 
> kernal boot parameter? Is there any documentation that will guide me 
> through this process?
>
> Peter
>
> On 29/11/17 06:47, Girvin Herr wrote:
> > Peter,
> >
> > What indication do you have that LO crashes?
> > Does it lock up or disappear (a hard crash)?
> >
> > If the former, LO may just be taking a long time to process 
> > something. Patience is a virtue. I have some reports that search on 
> > database string fields that are quite slow to process the report. I 
> > can go out and have a cup of coffee and maybe it will be done when I 
> > return.
> >
> > If the latter, there is a known security fix problem with Linux 
> > kernels later than about 4.4.75 and Java. This problem affected 
> > LibreOffice, but not OpenOffice, from my experience. There is a fix, 
> > but it is technical, regarding stack frame gap size settings. The fix 
> > is to add a kernel boot parameter to your booter (Lilo or Grub or 
> > whatever). If you updated your *buntu since LO last worked, this may 
> > be your problem.
> >
> > HTH.
> > Girvin Herr
> >
> >
> >
> > On 11/27/2017 09:25 PM, Peter wrote:
> > > Base is installed and for my financial database the only problem I 
> > > have is reports. I followed the advice and installed the packages. 
> > > This made no difference. When I open the data base and select a 
> > > previously defined report the data bases crashes. If  I use the 
> > > report creation facility when I select the report wizard again the 
> > > data base crashes.
> > >
> > > Does base log these failures and if so where can I look at it?
> > >
> > > My fishing data base opens but I cannot open fofms , tables , 
> > > queries etc.
> > >
> > > This problem with Base has occurred in the last 12 months.
> > >
> > > Any suggestions on what to do next will be gratefully received.
> > >
> > >
> > > Peter
> > >
> > >
> > >
> > >
> > > On 28/11/17 09:20, Keith Bates wrote:
> > > > I use Ubuntu 17.04 also, including the Libreoffice packages 
> > > > installed directly from Ubuntu. The default install excludes Base, 
> > > > and if you can't open a database, it seems like you don't have Base 
> > > > installed. sudo apt install libreoffice-base should fix that,
> > > >
> > > > For reports the packages you need are libreoffice-report-builder 
> > > > and libreoffice-report-builder-bin. Use sudo apt install 
> > > > libreoffice-report-builder* and they should install.
> > > >
> > > >
> > > > Keith
> > > >
> > > >
> > > > On 28/11/17 08:45, Peter wrote:
> > > > > I reinstalled Libre Office  Base from the Ubuntu repository. I 
> > > > > assumed that this wouls automatically install all necessary 
> > > > > packages. a=There is nothing that I can find in the__Ubuntu 
> > > > > Software Repository that appears to relate to reports for 
> > > > > LibreBase.  How can i find out what packages I have installed and 
> > > > > what packages are required forreports to work.  I have an old data 
> > > > > base which has not been uses since January 2015 which I tried to 
> > > > > open today. This will no longer open for any thing , no forms or 
> > > > > views or tables can be opened.
> > > > >
> > > > > Peter
> > > > >
> > > > > On 28/11/17 04:50, Robert Großkopf wrote:
> > > > > > Hi Peter,
> > > > > >
> > > > > > > Libre Base 1:5.1.6~rc2-0ubuntu1~xenial2
> > > > > > >
> > > > > > > Ubuntu 16.4
> > > > > > >
> > > > > > > When I first found the problem I removed LibreBase and 
> > > > > > > reinstalled it
> > > > > > > but the problem with reportsremained the  same.
> > > > > > This is a special Ubuntu-version of LO. Have a look into your
> > > > > > packagemanager. Did you install all packages for the
> > > > > > libreoffice-report-builder? Have heard there isn't only one package,
> > > > > > which should be installed for reports with the Ubuntu-version of LO.
> > > > > >
> > > > > > Regards
> > > > > >
> > > > > > Robert


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