Device Manager?

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Device Manager?

Postby blevo on Sat Jun 30, 2007 8:24 pm

I just installed Mint Cassandra and while opening up the applications menu and looking around I clicked on Hardware Information under preferences. It briefly opens up a window with the title "Device Manager" and promptly disappears. What's up?

I apologize if it's been addressed before, I'm not yet adept at using the search function I suppose since I couldn't find it.

~Steve
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Postby OU812 on Sun Jul 01, 2007 3:37 am

If you know the command that launches the app, then enter it in a terminal. If there are any problems, you will see them "echoed" in the terminal (you will see the error messages displayed in the terminal).

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Postby blevo on Mon Jul 02, 2007 1:32 am

I would have no idea what command launches the app. I'm not skilled enough yet unfortunately. How do you find out what launches any of the program/utilities in the "control center?"
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Postby georgeg on Wed Jul 04, 2007 1:25 am

I'm having the same problem with Device Manager disappearing. From a thread in a Ubuntu forum, I discovered the command to run Device Manager is: hal-device-manager. I ran it and here is the result:

georgeg@georgeg-desktop:~$ hal-device-manager
<gtk.Menu object (GtkMenu) at 0x83b66bc>
Traceback (most recent call last):
File "/usr/share/hal/device-manager/DeviceManager.py", line 132, in on_device_tree_selection_changed
self.update_device_notebook(device)
File "/usr/share/hal/device-manager/DeviceManager.py", line 508, in update_device_notebook
self.update_tab_device(device)
File "/usr/share/hal/device-manager/DeviceManager.py", line 316, in update_tab_device
d = self.udi_to_device(d.properties["info.parent"])
KeyError: 'info.parent'
Traceback (most recent call last):
File "/usr/bin/hal-device-manager", line 20, in <module>
DeviceManager()
File "/usr/share/hal/device-manager/DeviceManager.py", line 97, in __init__
self.update_device_list()
File "/usr/share/hal/device-manager/DeviceManager.py", line 247, in update_device_list
self.update_device_notebook(self.virtual_root.children[0])
File "/usr/share/hal/device-manager/DeviceManager.py", line 508, in update_device_notebook
self.update_tab_device(device)
File "/usr/share/hal/device-manager/DeviceManager.py", line 316, in update_tab_device
d = self.udi_to_device(d.properties["info.parent"])
KeyError: 'info.parent'


So, apparently, in my case at least the error is in info.parent. Now the next question is, what can I do about it?
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Postby Boo on Wed Jul 04, 2007 1:30 am

here is an answer:

http://linuxmint.com/forum/viewtopic.php?t=3695

but i think if you just install hal-info you will be fine.

sudo apt-get hal-info

or install the backport update.

:D
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Postby georgeg on Wed Jul 04, 2007 9:45 pm

Boo wrote:here is an answer:

http://linuxmint.com/forum/viewtopic.php?t=3695

but i think if you just install hal-info you will be fine.

sudo apt-get hal-info

or install the backport update.

:D


That takes me back to problem #1, my internet access is via a wifi card to my router & dsl modem in another building. I've tried all the suggested ways in Mint and in Ubuntu to make it work but to no avail. The problems with wifi were why I was trying to access Device Manage in the first place. (One of the catch-22 situations of fixing the wifi problem is that several of the proposed fixes require updating this program or that which is difficult when you can't connect to the internet with Mint.)

So, is there ANY way to install hal-info or the backport update without connecting to a repository from Mint? I have internet acess in Windows, just not in linux.
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Postby Boo on Thu Jul 05, 2007 12:56 am

down load the deb package and install it.

in you windows browser go to

http://archive.ubuntu.com/ubuntu/pool/main/h/hal-info/

download the hal-info, the latest one is below.

hal-info_20070618-1_all.deb

copy it to a your your linux desktop somehow (floppy, usb,...), or if mintDisk mounts you windows partition then copy form there.

Now just double click on the .deb file and it will install.
the only problem you may run into is that it may have dependencies so you will have to download them too.

have fun.

:D
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Postby blevo on Thu Jul 05, 2007 2:45 am

Thanks again Boo! Ever-helpful this one...

I updated hal using the gui update manager that appears on the panel and it fixed this problem. Funny how I didn't think of that before, but then again I didn't know what hal was, or the device manager

~Steve

PS I chose to do it this way after the synaptic pkg manager wanted to remove a whole bunch of things (including network manager, which I didn't want to mess with now that I got wifi working) in order to install hal-info
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Tried the same, but messed up system now...

Postby allan on Thu Jul 05, 2007 5:57 pm

I had the same problem, and I tried:

sudo apt-get update
sudo apt-get install hal-info

I didn't pay attention to all the packages that were about to be removed and hit enter.

As a consequence, network-manager and other stuff was removed. Why would this occur? After the install I don't didn't see the Hardware Information icon in the control panel. Rebooted, got login screen, but can't log on - get black screen.

Any ideas on how to un-hose my system. It was a test install so I can reinstall if needed. What did I do wrong here? Should I have updated using the update manager?
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Postby blevo on Thu Jul 05, 2007 6:33 pm

Hey allan, that's a doozy. Now I'm glad I didn't just hit ok when I noticed it wanted to remove all those gnome packages, and instead choose to update.

My suggestion would be to make your own new thread with this problem so you can get help sooner. There's got to be a way to fix the problem without reinstalling and I'm sure a number of posters will know how to do that.

Good luck
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Postby allan on Thu Jul 05, 2007 7:38 pm

Hi Blevo,

As it turned out, I reinstalled :) because I had only just installed today and there was no data to lose etc. I'm sure that your are correct though that I could have fairly easily (with some help) gotten myself back up and running without reinstalling.

For reference, after reinstalling I did a system update, which updated hal, and now all seems fine. Appears that installing hal-info alone was the wrong way to go! I do wonder though, why installing hal-info via apt-get resulted in apt-get wanting to remove so many other packages (networkmanger, etc.).

Thanks for the feedback
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Postby blevo on Fri Jul 06, 2007 12:25 am

Yeah, I find that curious as well
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Postby Husse on Fri Jul 06, 2007 6:37 am

hal
hardware
abstraction
layer
at the center of any operating system, a key component, and that's probably why so much happens...
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