olpc-dm/Xorg segfault only if during systemd boot
quozl at laptop.org
Mon Sep 7 18:37:22 EDT 2015
The first message is a result of your problem, not a cause.
The second message is normal, verified in my test just now, therefore
not related to your problem.
To look at the systemd journal for olpc-dm ...
systemctl status olpc-dm.service | cat
To look at olpc-dm client logs ...
Do both of these in the failed state as well as the working state to
identify the differences.
On Mon, Sep 07, 2015 at 03:21:10PM -0700, George Hunt wrote:
> I missed one obvious clue, thinking that Xorg.log was the strategic place to
> /var/log/messages (search olpc-dm) shows
> • "olpc-dm.service holdoff time over, scheduling restart"
> • and then "xauth: file /var/tmp/olpc-auth/.Xauthority does not exist"
> googling "Xauthority create olpc" does not give a good hit, but suggests I
> should learn olpc-utils better.
> On Mon, Sep 7, 2015 at 2:44 PM, James Cameron <quozl at laptop.org> wrote:
> I'm interested in finding the cause; any such race condition that
> prevents X startup may eventually occur depending on timing, so is
> there some simple reproducer that we can apply to OLPC OS?
> Where are your changes relative to OLPC OS?
> What does the systemd journal say about olpc-dm service?
> How do the journal, olpc-dm logs, and X logs differ between working
> and failing case?
> Where does gdb show the segmentation fault occurs?
> James Cameron
>  mailto:quozl at laptop.org
>  http://quozl.linux.org.au/
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