Re: xdm failing to start on FBSD 10.0 r2340030 erratically

From: O. Hartmann <ohartman_at_zedat.fu-berlin.de>
Date: Mon, 09 Apr 2012 10:54:07 +0200
Am 04/08/12 17:29, schrieb David Wolfskill:
> On Sun, Apr 08, 2012 at 01:29:36PM +0200, O. Hartmann wrote:
>> I loose hair ...
>> Since yesterady's "make world" (last make world: the day before
>> yesterday), getting FreeBSD 10.0-CURRENT/amd64 to r234000 or so, the X11
>> system on all of our FreeBSD 10.0-CUR/amd64 boxes start rejecting the
>> start of xdm display manager. xdm is started from /etc/ttys on ttyv7.
>> This worked before flawless.
>>
>> At this very moment, I do have X11 started via xdm - but this is a
>> erratic and non-reproduceable process!
>>
>> This morning, I update world and kernel to r234030. I recompiled many
>> ports via "portmaster -f xorg xdm", hoping the new kernel/world could
>> affect the ports, but this isn't.
>>
>> Starting Xorg X11 server works fine. xdm fails. The log in
>> /var/log/xdm.log looks like:
>>
>> Build Date: 07 April 2012  04:51:08PM
>> ...
>>
>>
>> I feel a bit helpless around here since I can not get close to what is
>> happening. The erratic behaviour of starting xdm is frightening.
>> Starting xdm via /etc/ttys doesn't work at all, but sometimes, with a
>> bit luck, xdm starts when started from the console.
>> ....
> 
> I am not having trouble starting xdm via /etc/ttys; my environment is
> known to differ from yours in the following ways:
> 
> * My ports (save for x11/nvidia-driver and misc/compat8x) are built
>   under stable/8.  (I track stable/8, stable/9, and head on a daily
>   basis, and have a common /usr/local among them.  I also update
>   any installed ports that have updates available daily.)
> 
> * I am running FreeBSD/i386, vs. FreeBSD/amd64.
> 
> * My last 2 updates were r233994 (yesterday) and r234031 (today).
> 
> * I have a mildly hacked-up startup script for xdm.  I doubt this is an
>   issue -- I've been doing this since 2006/03/05 19:04:03 (according to
>   the RCS log), though I have modified the script a few times
>   since its inception.  But the point here is that I'm not directly
>   invoking the xdm executable from /etc/ttys.

When I start xdm via console, it starts up, but only with a "Xservers"
file that contains nothing but comments. If there are the lines

localhost
127.0.0.1
192.168.0.128
!*

it will will probably start not. Since xdm does not show this behaviour
in a reproducible manner I susepct a bug.

> 
> * I don't know that this is different, but it may well be:  my xorg.conf
>   includes a stanza:
> 
>   Section "ServerFlags"
>       Option         "AutoAddDevices" "False"
>   EndSection

I should go with this and try. But as far as I know, since I have USB
devices (mouse, keyboard), unpluggin and pluggin them is then, without
hal and dbus, not recognized anymore, isn't it?

There was a discussion once going one for this subject.


Either way, at this very moment I do not know whether the OS or the X11
is faulty and I'd like to report this as a bug.

> 
>   because my experiences with hald & dbus were so unpleasant.  I don't
>   use them; I don't even try to start them.
> 
> Peace,
> david

Regards,
Oliver


Received on Mon Apr 09 2012 - 06:54:21 UTC

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