Dear everybody,
I seem to have a problem with the hal daemon in Debian Sarge. I think that hald doesn't start or it dies immediately.

Let me first explain that I am working on this since my understanding is that any device manager (g-v-m, ivman, pmount, ...) needs hal. In the end, all I want is to have a mountpoint in /media with a recognizable name when I insert a USB stick and a way for a user to mount the volume withoutthe need of an fstab entry.

Now back to the main issue.

roccia:~# uname -a
Linux roccia 2.6.19.2 #2 Thu Feb 8 02:06:19 CET 2007 i686 GNU/Linux

Package versions (as I said, this is the latest sarge release):
udev 0.056-3
hal 0.4.7-3sarge1
dbus-1 0.23.4-1

First, after boot, there's no "hald" process running on my system.

If I run, as root,
roccia:~# hald --daemon=yes --drop-privileges --verbose=yes
08:44:11.080 [i] hald.c:394: hal 0.4.7
08:44:11.080 [i] hald.c:396: Will daemonize
08:44:11.080 [i] hald.c:406: Becoming a daemon

but hald doesn't seem to be running after that:

roccia:~# ps ax |grep hal
6287 pts/1 R+ 0:00 grep hal

and hal-device-manager does not work
roccia:~# hal-device-manager
Traceback (most recent call last):
File "/usr/bin/hal-device-manager", line 8, in ?
import gtk
File "/usr/lib/python2.3/site-packages/gtk-2.0/gtk/__init__.py", line 37,
in ?
from _gtk import *

If I do instead:
roccia:~# hald --daemon=no --drop-privileges --verbose=yes
08:48:20.505 [i] hald.c:394: hal 0.4.7
08:48:20.505 [i] hald.c:398: Will not daemonize
08:48:20.507 [i] linux/osspec.c:219: Mountpoint for sysfs is /sys
Segmentation fault

Any comments?

Domande:
1) where does hald writes its logs? I read about an option --use-syslog ,but it is not recognized on my system
2) is this a known dbus/udev/hal issue in Debian sarge?
3) I am willing to upgrade to testing, but only if I am sure that this would solve the issue...

Thanks a lot.

Matteo
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On Tue, 2007-03-06 at 11:33 +0100, Matteo Semplice wrote:
> Dear everybody,
> I seem to have a problem with the hal daemon in Debian Sarge. I think that hald doesn't start or it dies immediately.
[...]
> If I do instead:
> roccia:~# hald --daemon=no --drop-privileges --verbose=yes
> 08:48:20.505 [i] hald.c:394: hal 0.4.7
> 08:48:20.505 [i] hald.c:398: Will not daemonize
> 08:48:20.507 [i] linux/osspec.c:219: Mountpoint for sysfs is /sys
> Segmentation fault
>
> Any comments?

I found a bug report describing the behaviour above, but it happened
with hal version 0.5.8.1-1 so I'm not sure it's relevant.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=393670

Usually, the best way to track this down is make a debug package,
capture a backtrace with gdb and file a bug report.
See http://wiki.debian.org/?HowToGetABacktrace

In your case, I would absolutely upgrade to etch first, I would be
surprised if this problem wasn't fixed.

> Domande:
> 1) where does hald writes its logs? I read about an option --use-syslog ,but it is not recognized on my system

AFAIK, syslog, see /var/log/syslog

> 2) is this a known dbus/udev/hal issue in Debian sarge?

I don't think so.

> 3) I am willing to upgrade to testing, but only if I am sure that this would solve the issue...

I give no guarantees, but if it isn't, and you can provide a backtrace
and other information, I'm sure it will be fixed quickly.

HTH,

--
Cheers,
Sven Arvidsson
http://www.whiz.se
PGP Key ID 760BDD22

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