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Old 07-17-2011, 05:18 PM   #1
Registered: Jul 2011
Distribution: Slackware 13.37
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CD / DVD disk won't mount when I am only a user...

Hello again!

I am truly sorry if this has already been answered, but I don't think the question was asked in EXACTLY THE SAME WAY, maybe?

I installed Slackware 13.37 on my Dell desktop pc (I don't think that the model information is relevant in this case...), and I was able to insert CD's and DVD's which would then be mounted AUTOMATICALLY so that I could then browse the contents etc. I can STILL do this, whether or not I am logged-in as "root" or as a "normal" user...

Now here is my problem : I JUST installed Slackware 13.37 on my Toshiba notebook (a Satellite 210, in this case) TODAY. Now, I can insert the same CD's / DVD's into the drive and have them automount as the "root" user, but when I log in as a simple user, I get errors telling me that they can NOT BE MOUNTED! The messages on quite long and complex, but I can paste an copy into a secondary post if that will help. For my part, what the error message says is a lot of gibberish!

I have examined the user information on both my desktop AND laptop computers to see if there were any major differences, and there are NONE EXCEPT FOR ONE : My "user" account on my desktop is user # 1000, while on my notebook it is 100. The DEFAULT offered in both cases was 1000 when I created the accounts, but I did not see
why the next user in the list should be over 999 higher than the last one listed, so on the notebook I did not accept the default offered, and instead choose to use # 100. Was that wrong? Why does Slackware start the first created user at such a large user number?

Any help here? I did NOT do anything to allow the automount of optical disks as a user on my desktop pc (at least, not to my knowledge...) that I have not done on the notebook!

Thanks in advance,
(Andre R. Gagne,
Old 07-17-2011, 06:44 PM   #2
John VV
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what dose the slackware install book say ?
yes book .
Old 07-17-2011, 06:46 PM   #3
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The error msg would be very useful to us; please post it
Old 07-24-2011, 04:55 PM   #4
Registered: Jul 2011
Distribution: Slackware 13.37
Posts: 59

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Hello again!

Sorry It took me such a long time to return to the forum, but I have been actively trying to solve this problem while at the same time trying to learn Linux, BASH / console commands, etc.

I Have maybe just a little more info. into this problem than I did when I first posted (and, yes, I WILL post the complete error message if this extra info. does not help at all...

First off, as I mentioned previously, on my INITIAL installation of Slackware 13.37, if I INSERT a "home brew" cd (for example), with a volume name "new" (again as an example...), the cd is mounted
automatically to /mnt/cdrom, and I am immediately able to view its contents in my file manager (I use
Konqueror, in this case...). This happens whether or not I am logged-in as root OR user "capcom" (the only user I have added, my own user account). There is no issue at all!

However, on my Toshiba notebook, onto which I installed Slackware 13.37 as well, this situation is a tad more confusing!

If I am logged in as root, and I insert this SAME CD (ie homebrew, volume name "new"...), I am
instantly able to view the contents in the file manager. Just like on my desktop pc (where my first Slackware install is, to reiterate...).

However, when I am logged-in as "capcom" (the ONLY user on the notebook, as well), the cd APPEARS to mount, and the volume name "new" appears in the Konqueror "places" list (just as it does when I am logged in as root), but NOW I get the message "unable to mount filesystem", and I am NOT able to view this cd's contents!!! To make matters worse, if I then switch users BACK to root without first removeing the cd, and THEN switch back to user "capcom", I am THEN able to view the cd normally - NO ERROR MESSAGE!

That is, I am only able to VIEW the cd's contents if the cd has been previously mounted by the root user when I am using my notebook!

Again my question is - WHY the difference in the two installations? I have not only tried to make sure that both machines have the same contents for the /etc/fstab file, etc. (and, whenever, if ever, I encountered even a slight difference, I "synced" the two files to the version on the Dell desktop!).

Still, no success!

I can "live" with this situation...; it's just a bit frustrating that there appears to be NO REASON for this apparent discrepency!

If this still has not helped anyone, I will try and find the crytic message I was receiving originally when I posted this (I have not seen that message since, but I know at the time I was using the Dolphin file manager, so I may have to return to Dolphin to see if I can reproduce it...

Thanks again for any further assistance!

Old 07-24-2011, 05:36 PM   #5
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Hello Z_Tagr,

check the output of the command
on both machines (as a normal user), the command will show you the group-memberships of the user. You should afaik be member of the plugdev-group.

And please post the errormessages.



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