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More Sun Ray on OpenSolaris build 130 workarounds

January 17, 2010

One more thing for the Sun Ray on build 130. Whether this is the last remains to be seen.

Now that gdm is run via smf gnome-session is now run via ctrun(1) so that it gets it’s own contract and therefore any problems it has do not result in gdm being restarted.

However the Sun Ray sessions are not started that way. Hence I was seeing all users logged out if just one session had a problem:

So a rather trivial failure such as this:

Jan 16 11:10:47 pearson genunix: [ID 603404 kern.notice] NOTICE: core_log: metacity[7448] core dumped: /var/cores/core.metacity.7448

would result in gdm restarted:

[ Jan 16 00:06:08 Method "start" exited with status 0. ]
[ Jan 16 11:10:47 Stopping because process dumped core. ]
[ Jan 16 11:10:47 Executing stop method ("/lib/svc/method/svc-gdm stop"). ]
[ Jan 16 11:10:47 Method "stop" exited with status 0. ]

which in turn means all the users were logged out. Ooops.

The solution was simple but like the previous workarounds leaves your warranty in tatters!

# mv /usr/bin/gnome-session /usr/bin/gnome-session.orig
# cat > /usr/bin/gnome-session << EOF
> #!/bin/ksh -p
> exec ctrun -l child \$0.orig \$@
> EOF
# chmod 755 /usr/bin/gnome-session

This results in all your gnome sessions having their own contract as their parent is ctrun:

: pearson FSS 33 $; ptree $(pgrep -o -u gdm gnome-session)
22433 /usr/sbin/gdm-binary
 22440 /usr/lib/gdm-simple-slave --display-id /org/gnome/DisplayManager/Displa
 22965 ctrun -l child /usr/bin/gnome-session.orig --autostart=/usr/share/gdm
   22967 /usr/bin/gnome-session.orig --autostart=/usr/share/gdm/autostart/Lo
   23062 /usr/lib/gdm-simple-greeter
   23063 gnome-power-manager :
pearson FSS 34 $;

and means that any failures are now ring-fenced to just that session.

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From → Solaris

5 Comments
  1. A bug has now been created for this:
    http://defect.opensolaris.org/bz/show_bug.cgi?id=14007
    When that fix gets rolled back this workaround should be removed.

  2. Joe Baro permalink

    Thanks for posting, this was a big help. For SPARC, you will also need:
    ln -s /usr/lib/xorg/sparcv9/libXfont.so.1 /opt/SUNWut/lib/sparcv9
    ln -s /usr/lib/xorg/sparcv9/libfontenc.so.1 /opt/SUNWut/lib/sparcv9

  3. Wayne Smith permalink

    Chris,

    Digging the new blog… however it is truncation entries. Ordinarily I wouldn’t say anything but your site has some good info.

  4. chrisgerhard permalink

    Any particular entries?

    I’m gradually going through the old entries cleaning them up but it’s going to take some time.

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