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A potential multiple users login bug System
This must be a bug. I've seen several posts that describe the same thing. Haven't found a workaround yet. However, I hear from Beta testers that Panther resolves this problem. It would be nice to have this bug fixed, Apple. Some of us won't have the option of upgrading to Panther! Here are my findings on the bug:

Error: While booted in OS X, a normal user account with capabilities set to "Open All System Preferences" without "Change Password" (or "Open All System Preferences" is not checked at all) checked will produce the following error when he/she logs in:
You have inserted a disk containing no volumes that Mac OS X can read. To continue with the disk inserted, click ignore
Clicking ignore is the only option. The drives will mount normally and perform normally after this. Happens every time the user logs in, but only seems to happen with a second drive.

Configuration: One OS X drive (with no OS 9 drivers), second drive (with OS 9 drivers). Booting to OS X (10.2.6 with all updates). This is on a Dual 450 G4 with 1.25 RAM. Affects 10.2.4 and later. Tests performed so far with no luck:
  • Different drives (different manufactures: IBM, WD, Seagate--all IDE). No change
  • Different jumper settings (Master/Slave/CS and vice versa). No change
  • Disconnected the drive with OS 9 drivers- Error disappeared.
  • Tried using older OS 9 drivers - ( from 9.0.4 and 9.1 disk utility) - no change
  • Tried using pdisk,newfs_hfs, etc command line tools to format - no change
  • Tried with and without OS 9 system folder on drive. no change.
  • Reset NVRAM. no change
  • Reinstalled new system with 10.2 system disk (boot disk - no OS 9 drivers). Tested for error with just 10.2 before updating to 10.2.6 and the error didn't exist. After updating to 10.2.6, the error returned.
  • Created new user. Tried various capability settings.
Summary: The error only happens to users logging in, when, in user's capabilities, "Open All System Preferences" is checked without checking "Change Password."

[robg adds: I don't have any non-admin users, so I can't confrim this one -- can anyone else comment on a warning dialog at startup for non-admin users on multi-drive machines?]
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A potential multiple users login bug | 11 comments | Create New Account
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A potential multiple users login bug
Authored by: rmb303 on Aug 21, '03 11:00:32AM

I too experience this bug when a non-admin user logs in. It causes no apparent harm, but is an annoyance !
I have 2 hard drives on a 2 x 500 Mhz G4 running OS X 10.2.6

For ages I wondered why I hadn't heard of anyone else with this problem.



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A potential multiple users login bug
Authored by: network23 on Aug 21, '03 11:11:45AM

Yeah, I get that too.

I've also seen another problem that I'm pretty sure is a bug.

Two of my kids are pretty young, so I wanted to simplify the system for them by adjusting the Capabilities -- mostly by turning off most of what the user can do (Remove Dock items, change password, open all system prefs) and also specify what apps could be run.

On my system, most of my apps are on a separate partition, including many of the games I wanted to give my kids access to. After setting up the system and tesing my kids logins, most of the "external" games did not show up in Finder and those that did lost their icons, just showing the generic application icon. I used my AppleCare and after many phone sessions, they couldn't fix the problem other than to tell me to install all the apps I wanted the users to access on the OS X partition.

I'd ask someone to test it out on Panther, but I've asked a "2 minutes to test this out" question multiple times on several boards and it took days to get an an answer. I held no hope of getting someone to test out the above situation. I'll just have to find out for myself.

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Live and Direct, only from
Network 23



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A potential multiple users login bug
Authored by: osxpounder on Aug 22, '03 04:30:45PM
Summary: The error only happens to users logging in, when, in user's capabilities, "Open All System Preferences" is checked without checking "Change Password."

[robg adds: I don't have any non-admin users, so I can't confrim this one -- can anyone else comment on a warning dialog at startup for non-admin users on multi-drive machines?]
You won't remember this, robg, but I dropped by the OSXChat a few months ago asking folks there for help with this very problem--at the time, we were all scratching our heads and no one else there had seen it yet.

It occurs on two Macs I've set up, but neither allows users to Open All System Preferences nor Change Password ....

I just decided to let the users click "Ignore ...", since that's what they'd do if they couldn't get in contact with me anyway. No harm seems to have come from this. I'm glad to know someone else has seen it, and perhaps I'll apply a fix described here when I re-image those machines--I haven't decided yet.

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osxpounder

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A potential multiple users login bug
Authored by: durin on Aug 21, '03 11:57:56AM

I have a similar problem in Jaguar. My only non-admin user gets this message upon login, and then nothing is wrong.... I have 4 volumes(1 boot, 2 storage, and 1 hidden Swap volume).

I don't have 'Ingore Permissions' on for the boot volume, the swap volume, and one of the storage volumes.

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Go not to the elves for council, they will say both no and yes



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Ditto on Image Creation
Authored by: bostonmacosx on Aug 21, '03 12:54:57PM
I was creating a image in a non-admin account(no PSWD change) with Disk Copy. It worked fine except for the message noted above. Maybe this is an Apple feature. I have 10.3 and will be installing it in the next few days. I'll repost to see if the bug still exists.
T
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  a           BostonMACOSX
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    k
     s


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A potential multiple users login bug
Authored by: matx666 on Aug 21, '03 01:54:49PM

I look after a dozen or so Mac labs, but only two are doing this. All have non-admin accounts (students) using the machines. It is perplexing. I have panther set up and I will test to see if this issue exists there. But I have not seen it everywhere only some places. :(



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A potential multiple users login bug
Authored by: Cormacolinde on Aug 21, '03 02:18:17PM

That's a known bug which I reported to Apple some months ago. I'm glad to see they're solving it in 10.3.

From my experience, this seems to only occur if you have a second hard drive plugged in. Removing the second HD should normally solve it.

One workaround which Apple gave me was to delete the ByHosts folder in the $HOME/Library folder. This seems to cure it until the next reboot. You could probably implement a login script that removes it every time.



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A potential multiple users login bug
Authored by: jervidalo on Aug 21, '03 06:26:58PM

I work as a system administrator in a school. All our accounts are set up just like that, and all our macs have two partitions (not physical harddrives though). I've not seen it once (at about 60 macs). After seeing this post, I tried it at our video-editing-machines (these are the only ones with two physical harddrives), and then the error popped up each time I logged in...

But I also noticed that even when unchecking the "Change password"-box, the users still manage to change their password? The button i the "My Account" pref pane is greyed ot, but in the "Accounts"-pane, they might still change it (of course, this only work if the account-capabilities are set to "Open All System Preferences" without "Change Password", otherwise they might not access the accounts-pane).



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A potential multiple users login bug
Authored by: odinsdad on Aug 21, '03 09:28:39PM

This had been driving me nuts!

Once again, MacOSX hints helped me out.

I have 3 kids that also "share" my mac. One of my kids has been getting the same message everytime he logs in.
After reading this tip, I check out his user preferences and sure enough the "Change Password" was dissabled for his account. My other kids have never had this problem nor my wife. After looking at their configurations the "Change Password" box was selected.
Thanks for the help.... Again!

Now I can sleep at night! ;-)

~e



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A potential multiple users login bug
Authored by: estudio on Sep 12, '03 07:36:59PM

Got the same problem on non-admin accounts on two Macs running 10.2.6 with two HDs each. It appears (at least on my machines) that 'Remove items from the Dock' AND 'Change password' have to be checked to get rid of this error message. Btw, I played around with all kind of combinations of the other settings on this pane. That does not make me too happy, of course, as I am in charge for a lab environment and now have to see how to lock down my computers using other ways.

Jørgen, you are right, users can still change their passwords despite an unchecked 'Change password' box. Then I guess I don't need to be too sad if certain things don't work anyway within the GUI.



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related to "/automount" ?
Authored by: tobyvoss on Aug 22, '03 03:38:46AM

THANKS - checking the "change password" for my guest user solved the problem.

for me, the "no volumes that Mac OS X can read" only popped up about every second time.

i am not quite sure how this relates to an alias (or symlink) to the invisible "/automount" appearing as A VOLUME in the finder just as often as the other bug.



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