Re: wrong owner of /run/user/1000/dconf/user causes X to freeze
On Saturday 25 June 2016 10:20:27 postings@andreaskrueger.de wrote:
> SOLVED: wrong owner of /run/user/1000/dconf/user causes X to freeze
>
>
> The problem was between the keyboard and the screen :-) I had started
> X/Gnome applications from the root terminal. And that overwrote the
> /run/user/1000/dconf/user which then caused the log file explosion.
>
It may have been PEBAC, but that has exposed a bug. No way that a root
session of anything should over-write or change a single bit
in /run/usr/1000.
Whatever it did, should have taken place in /run/usr/0, aka root/.
> Reporting it as a bug was helpful, because a Michael Biebl there could
> solve the riddle:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=827639#10
>
>
> Thanks to everyone who tried to help here.
>
> Have a good weekend
> Andreas
>
> On 07/06/2016 16:26, Andreas Krueger wrote:
> > I would like to file a bug into your bug tracking system, but I
> > don't know which package to assign it to.
> > Googling shows that several others are reporting the same problems,
> > but the exact originator is seemingly not yet pinpointed.
> >
> > Is there an open category, for bugs which are not yet assigned to a
> > package?
> >
> > Thanks for your help.
> >
> > Andreas
> >
> > ----
> >
> >
> >
> > --------------------------------------------------------------------
> >---- Bug report: wrong owner of /run/user/1000/dconf/user causes X
> > to freeze
> > --------------------------------------------------------------------
> >----
> >
> >
> > I have literally millions of identical log entries of this type:
> >
> > cat /var/log/messages | grep /run/user/1000/dconf/user
> >
> > Jun 6 15:54:50 laptopacer01 gnome-session[3275]:
> > (gnome-settings-daemon:3354):
> > dconf-CRITICAL **: unable to create file
> > '/run/user/1000/dconf/user': Permission denied. dconf will not work
> > properly.
> >
> >
> > It brings the X system to a total halt, because of:
> >
> > cat /var/log/messages | grep /run/user/1000/dconf/user | wc
> > 11395103 227899102 2277048187
> >
> >
> > My system is dist-upgraded from wheezy to jessie (following the
> > manual exactly), and that upgrade seemed to have gone fine (Kudos
> > for that possibility, I am pretty impressed!)
> >
> > Not sure when exactly it happens; but definitely once, after purging
> > obsolete packages, and then 'apt-get upgrade'; and later once, after
> > ending eclipse.
> >
> >
> >
> > On the console I could identify the problem to be a wrong owner:
> >
> > ls -la /run/user/1000/dconf
> > drwx------ 2 andreas andreas 60 Jun 6 17:10 .
> > drwx------ 9 andreas andreas 180 Jun 6 17:10 ..
> > -rw------- 1 root root 2 Jun 6 17:10 user
> >
> >
> > The error explosion stopped when I simply tried
> > chmod a+rwx /run/user/1000/dconf/user
> >
> > or even
> > rm /run/user/1000/dconf/user
> >
> > but only after
> > killall Xorg
> > I could continue to work. After logging back in.
> >
> > (Actually, what would be a softer thing to kill than Xorg ?)
> >
> >
> >
> > This is how it probably should look like?
> >
> > ls -la /run/user/1000/dconf
> > drwx------ 2 andreas andreas 60 Jun 6 17:10 .
> > drwx------ 9 andreas andreas 180 Jun 6 17:10 ..
> > -rw------- 1 andreas andreas 2 Jun 6 17:10 user
> >
> >
> > So for now, my workaround is this one:
> >
> > echo "sudo chown andreas:andreas /run/user/1000/dconf/user" >
> > /usr/local/bin/dconf-repair.sh
> > chmod 777 /usr/local/bin/dconf-repair.sh
> >
> > And when it happens, I quickly switch to a textscreen console, and
> > execute 'dconf-repair.sh'. I am wondering if I should perhaps put a
> > cron job that is executing it every 10 seconds?
> >
> >
> > But: What to do? Anyone got a good idea how to fix this? Or how to
> > identify which package is causing it? Is there a way to install a
> > watcher, which logs all the programs which are changing a certain
> > file?
> >
> >
> > And: Isn't it better now to remove those 11.3 million lines from
> > /var/log/messages? How?
> >
> >
> >
> > Thanks a lot!
> > Andreas
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
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