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10.3: Workarounds for faulty sleep with multiple users System
When the Security prefs pane is set up to require passwords upon wake, and multiple users are logged in, a user performing the "Switch User" function in the wake from sleep password dialog box experiences a faulty sleep event approximately 30 seconds after waking the computer -- even if logged fully into their account.

I should note if the user waking is the same user who was logged in when sleep occurs, then the 30 second sleep bug does not occur, hence most people will not see this issue. Only when the user who had the sleep event occur is different the user who incurs a wake event will this bug occur. Two workaround appear to exist.
  1. You can turn off requiring passwords, which is a poor workaround IMHO, but the only one which solves the issue.
  2. You can simply login again after the 30 second time out occurs, since you will be the user who has both the sleep and wake events occuring.
[robg adds: I haven't seen this one, but then again, I haven't tried to reproduce it, either...]
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10.3: Workarounds for faulty sleep with multiple users | 11 comments | Create New Account
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10.3: Workarounds for faulty sleep with multiple users
Authored by: deleted_user18 on Nov 10, '03 12:31:11PM

So I am not the only person with this.

Happens on my PB all the time when it wakes up and I switch user in the screen saver. After some seconds: It sleeps again :-)



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10.3: Workarounds for faulty sleep with multiple users
Authored by: ethomas on Nov 10, '03 12:42:55PM

I too had this problem on my PowerBook. I have 2 users set up with Fast User Switching enabled. If I close the lid while I'm logged in, and then open the lid and try to switch users, it works, but the machine goes to sleep after switching users.

It's annoying to say the least - let's hope Apple fix this in 10.3.1



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10.3: Workarounds for faulty sleep with multiple users
Authored by: fiddler on Nov 11, '03 03:35:57AM

Unfortunately... the bug is still there in 10.3.1. :(



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10.3: Workarounds for faulty sleep with multiple users
Authored by: Nathaniel Cross on Jan 31, '04 07:04:29AM

I'm still getting it on a G5 with 10.3.2



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10.3: Workarounds for faulty sleep with multiple users
Authored by: atta-ur rehman on Dec 12, '03 02:09:06PM

iMac 17" 1GHz. Exactly the seem problem in 10.3.1!

I'm only hoping that 10.3.2 would fix it.



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10.3: Workarounds for faulty sleep with multiple users
Authored by: Anonymous on Nov 10, '03 04:26:43PM

My machine running 10.3 goes back to sleep again if *someone* does not authenticate within 30 seconds or so after being woken up. Whilst this can occasionally be a pain, it is desirable behaviour more often than not, and certainly correct behaviour if you take the view that someone is not authorized to use your computer should not be able to wake it up either.

If, however, this behaviour is occurring even when someone has authenticated, then I assume that is a bug.



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10.3: Workarounds for faulty sleep with multiple users
Authored by: sailh2o on Nov 11, '03 03:46:58AM
Thanks for the posting... I have been having this issue on my flat panel iMac ever since I installed panther. I have not found any other posting besides at MacFixit but with no solution. However, the 30 sec timeout rarely occurs for me. My mac usually never returns from sleep with the screensaver frozen on screen and needs to rebooted. Other times the crashed window stating to power down and reboot has come up.

One fix I have found was to not to choose "Put the hard disk(s) to sleep when possible." in the Energy Saver preference.

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10.3: Workarounds for faulty sleep with multiple users
Authored by: kwindrem on Sep 01, '04 03:11:01AM

It's been my experience that this unexpected sleep occurs whether or not "Require a password to wake this computer from sleep or screen saver" is enabled. The only difference is whether the user is asked for a password when the system wakes the second time.

I've gone to forcing the login window when entering sleep as suggested in http://www.macosxhints.com/article.php?story=20040724203315798 to avoid the problem.



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10.3: faulty sleep still in 10.3.6
Authored by: Razor's Edge on Nov 19, '04 06:19:42PM

Just upgraded to 10.3.6 and this problem is still there on my Powerbook.

Does anybody know whether Apple has acknowledged this annoying feature?!



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10.3: Workarounds for faulty sleep with multiple users
Authored by: adamschneider on Dec 29, '04 02:15:39AM

December 2004, Mac OS X.3.7, Al PowerBook G4: same problem.

I put the machine to sleep. My wife wakes it up and clicks "Switch User..." She selects her icon, enters her password, and starts going about her business. About 30 seconds later, it goes to sleep without warning. She's able to wake it up and keep using it, though, and it doesn't happen again.

This isn't catastriophic, but it's clearly a bug; I'm shocked to see that it's been over a year and hasn't been fixed!



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10.3: Workarounds for faulty sleep with multiple users
Authored by: adamschneider on Dec 29, '04 03:56:22PM
I just found this on apple.com:

Mac OS X 10.3: System sleeps after using Fast User Switching

("Don't worry, your computer isn't a 'sleepyhead.' All you need to do is wake it up again.")

Geez. At least they know about it, but what a useless article.

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