Re: Apache, PHP and Mysql on NSLU2

[David Fokkema <dfokkema@ileos.nl>]

On Sun, 2007-06-24 at 20:29 -0400, Aaron Klein wrote:
> I wanted to reply to the list the resolution or at least what I think
> is the resolution.
> 
> I decided to redo the entire install and in doing so and installing
> one package at a time I was able to force apache, php5, mysql and some
> php5-modules like php5-gd and php5-imagick to install but only after I
> corrected an issue I had with not having any swap space initialize on
> boot.
> 
> Randomly intermingled with the other errors listed in this thread I
> would get an out of memory message.  I thought it might be that I was
> just skirting close to the limit of what this little slug could do
> with php, apache, mysql, samba, openssh and proftpd installed and
> running.  When I did fire them all up the system did crawl and
> sessions would 'hangup' for no apparent reason.  With out swap I was
> apparently literally running out of ram and causing the system to just
> giveup.

Glad you caught it! I'm wondering: are your strange ScreenSize.pm errors
gone now? Were they memory related or just some quirk from your previous
install?

David


> 
> On 6/23/07, David Fokkema <dfokkema@ileos.nl> wrote:
> > On Sat, 2007-06-23 at 15:24 -0400, Aaron Klein wrote:
> > > Ok to catch up.  Below is the output I get when I try to reinstall
> > > debconf and perl.
> > >
> > > SLUG:/home/aaron# apt-get install --reinstall debconf perl
> > > Reading package lists... Done
> > > Building dependency tree... Done
> > > 0 upgraded, 0 newly installed, 2 reinstalled, 0 to remove and 2 not upgraded.
> > > Need to get 3558kB of archives.
> > > After unpacking 0B of additional disk space will be used.
> > > Do you want to continue [Y/n]? y
> > > Get:1 http://ftp.egr.msu.edu etch/main debconf 1.5.11 [146kB]
> > > Get:2 http://ftp.egr.msu.edu etch/main perl 5.8.8-7 [3413kB]
> > > Fetched 3558kB in 34s (103kB/s)
> > > Use of uninitialized value in pattern match (m//) at
> > > /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm line 33, <> line 2.
> > > Use of uninitialized value in pattern match (m//) at
> > > /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm line 48, <> line 2.
> > > Can't fork at /usr/sbin/dpkg-preconfigure line 67, <> line 2.
> > > (Reading database ... 21927 files and directories currently installed.)
> > > Preparing to replace debconf 1.5.11 (using .../debconf_1.5.11_all.deb) ...
> > > Unpacking replacement debconf ...
> > > Preparing to replace perl 5.8.8-7 (using .../archives/perl_5.8.8-7_arm.deb) ...
> > > Unpacking replacement perl ...
> > > Setting up debconf (1.5.11) ...
> > > Use of uninitialized value in pattern match (m//) at
> > > /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm line 33.
> > > Use of uninitialized value in pattern match (m//) at
> > > /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm line 48.
> > > open2: fork failed: Cannot allocate memory at
> > > /usr/share/perl5/Debconf/ConfModule.pm line 58
> > > dpkg: error processing debconf (--configure):
> > >  subprocess post-installation script returned error exit status 9
> > > Setting up perl (5.8.8-7) ...
> > >
> > > Errors were encountered while processing:
> > >  debconf
> > > E: Sub-process /usr/bin/dpkg returned an error code (1)
> > >
> > > The two lines in question of /usr/share/perl5/Debconf/FrontEnd/ScreenSize.pm
> > >
> > > Line 33                my ($rows)=`stty -a 2>/dev/null` =~ m/rows (\d+)/s;
> > > Line 48                      my ($cols)=`stty -a 2>/dev/null` =~ m/columns (\d+)/s;
> > >
> > > The entire files contents below...  Its everything between the **Start
> > > and **End of file lines.  The file ends on line 54 with a 1
> > >
> > > ** Start of File**
> > > #!/usr/bin/perl -w
> > > # This file was preprocessed, do not edit!
> > >
> > >
> > > package Debconf::FrontEnd::ScreenSize;
> > > use strict;
> > > use Debconf::Gettext;
> > > use base qw(Debconf::FrontEnd);
> > >
> > >
> > > sub init {
> > >       my $this=shift;
> > >
> > >       $this->SUPER::init(@_);
> > >
> > >       $this->resize; # Get current screen size.
> > >       $SIG{WINCH}=sub {
> > >               if (defined $this) {
> > >                       $this->resize;
> > >               }
> > >       };
> > > }
> > >
> > >
> > > sub resize {
> > >       my $this=shift;
> > >
> > >       if (exists $ENV{LINES}) {
> > >               $this->screenheight($ENV{'LINES'});
> > >               $this->screenheight_guessed(0);
> > >       }
> > >       else {
> > >               my ($rows)=`stty -a 2>/dev/null` =~ m/rows (\d+)/s;
> > >               if ($rows) {
> > >                       $this->screenheight($rows);
> > >                       $this->screenheight_guessed(0);
> > >               }
> > >               else {
> > >                       $this->screenheight(25);
> > >                       $this->screenheight_guessed(1);
> > >               }
> > >       }
> > >
> > >       if (exists $ENV{COLUMNS}) {
> > >               $this->screenwidth($ENV{'COLUMNS'});
> > >       }
> > >       else {
> > >               my ($cols)=`stty -a 2>/dev/null` =~ m/columns (\d+)/s;
> > >               $this->screenwidth($cols || 80);
> > >       }
> > > }
> > >
> > >
> > > 1
> > > **END OF FILE**
> >
> > Looks the same to me...
> >
> > I'm out of ideas. I suggest starting a new thread with a subject
> > specifying this problem and take it from there. It has nothing to do
> > with apache, php and mysql anymore.
> >
> > I have the same versions of debconf and perl and I don't think these
> > specific files are corrupted. You could try:
> >
> > for i in `dpkg -L debconf`; do md5sum $i; done 2>/dev/null | md5sum -
> >
> > which calculates an md5sum for all files in the debconf package and then
> > (to save bandwidth, ;-) it calculates an md5sum of that output. My sum
> > is:
> >
> > 5af70b74a53dcb587452c54aab47b733
> >
> > Since I've never tried anything like this, your sum might be different
> > and this might be totally okay. However, I believe your sum should be
> > the same if your package files are the same. I don't think they vary
> > from system to system, but there are a few config files included. So
> > beware...
> >
> > Good luck,
> >
> > David
> >
> >
> >
> >
> > >
> > > On 6/23/07, David Fokkema <dfokkema@ileos.nl> wrote:
> > > > On Sat, 2007-06-23 at 10:07 -0400, Aaron Klein wrote:
> > > > > 1) I first tired to install apache, php and mysql all in one command
> > > > > and it bombed out so I started doing it one at a time.
> > > >
> > > > ...And it was only mysql which bailed out. Strange!
> > > >
> > > > > 2) dont know I have seen others with simular error messages post on
> > > > > the web for slugs and non slugs but the answer has always been to run
> > > > > apt-get -f install and it fixes it.
> > > >
> > > > Yes, but I don't think those are the same errors. For them, dpkg -l
> > > > probably told them a package was half-installed or something like that.
> > > >
> > > > > 3) Oddly enough I dont appear to have a file named ScreenSize.pm in
> > > > > that folder.  Here is the contents of that folder.  I have it two
> > > > > different formats because I know some folks see it better as a list
> > > > > than in columns.
> > > > >
> > > > > SLUG:/usr/share/perl5/Debconf# ls
> > > > > AutoSelect.pm  Config.pm    Element      Format.pm    Iterator.pm  Template
> > > > > Base.pm        Db.pm        Element.pm   FrontEnd     Log.pm       Template.pm
> > > > > Client         DbDriver     Encoding.pm  FrontEnd.pm  Priority.pm  TmpFile.pm
> > > > > ConfModule.pm  DbDriver.pm  Format       Gettext.pm   Question.pm
> > > >
> > > > <snip>
> > > >
> > > > <sigh>
> > > > me again! It should be in /usr/share/perl5/Debconf/FrontEnd/ ...
> > > > </sigh>
> > > >
> > > > David
> > > >
> > > >
> > > > > On 6/23/07, David Fokkema <dfokkema@ileos.nl> wrote:
> > > > > > On Sat, 2007-06-23 at 08:59 -0400, Aaron Klein wrote:
> > > > > > > I used the Debian/NSLU2 Stable 4.0r0 firmware.
> > > > > >
> > > > > > Ok, then it _should_ work. So you've hit a very strange bug or file
> > > > > > corruption resulting in strange behaviour or something like that.
> > > > > >
> > > > > > It would be very helpful to know a few things:
> > > > > >
> > > > > > 1) When and how did your problem start and do you see it when you
> > > > > > install other packages as well?
> > > > > > 2) Are there other people who hit the same bug when they install
> > > > > > mysql-server-5.0?
> > > > > > 3) What are the contents of your /usr/share/perl5/Debconf/ScreenSize.pm
> > > > > > at lines 33 and 48? Do they match mine? (probably...)
> > > > > >
> > > > > > I installed etch before release and upgraded mysql-server alone several
> > > > > > times. That's not the same as installing it cleanly. I have never
> > > > > > encountered that bug, but that might say nothing at all...
> > > > > >
> > > > > > Luck,
> > > > > >
> > > > > > David
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > >
> > >
> >
> >
> > --
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> >
> >
> 
> 
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