Bug 141105 - Logins hang and time out, ctrl-alt-del does nothing
Logins hang and time out, ctrl-alt-del does nothing
Status: CLOSED CURRENTRELEASE
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
3
i386 Linux
medium Severity medium
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Assigned To: Dave Jones
Brian Brock
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2004-11-29 04:27 EST by Andrew Meredith
Modified: 2015-01-04 17:13 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
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Last Closed: 2005-07-15 17:40:40 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Andrew Meredith 2004-11-29 04:27:06 EST
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5)
Gecko/20041111 Firefox/1.0

Description of problem:
After an indeterminate period (from hours to days) the machine enters
a state whereby a number of things fail to operate as they should.

- Console logins (root or otherwise) hang and timeout
- Console ctrl-alt-del fails to reboot machine
- ssh with or without stop at "Entering interactive session"

Most processes that were already running continue unaffected.
Sometimes the gnome menu bars will also freeze.

The only cure is to reboot.



Version-Release number of selected component (if applicable):

kernel-2.6.9-1.681_FC3 (and earlier)
SysVinit-2.85-34
pam-0.77-65


How reproducible:
Always

Steps to Reproduce:
1. Wait
2. Try to login as root


Actual Results:  login timeout or ssh session hangs

Expected Results:  Clean login
Comment 1 Bill Nottingham 2004-11-29 12:00:25 EST
Are there any messages in the logs?
Comment 2 Andrew Meredith 2004-11-29 12:29:27 EST
I was actually working on this very question all afternoon. I can now
say that I can see no pattern. There is certainly nothing directly
related, no oopses or anything.

There may be a link with BIND failures leading to NFS automount
freezes on mounts that are defined by hostnames in DNS that aren't
/etc/hosts .. maybe. I mention this as a "thought in progress" only.
It is more likely that the problem is the other way round. ie The
failure causes BIND and NFS problems.
Comment 3 Bill Nottingham 2004-11-29 12:39:10 EST
Are you using network-based auth and/or homedirs?
Comment 4 Andrew Meredith 2004-11-29 12:49:57 EST
All the user auth is "files" based. The ordinary users are autofs'ed
off /home, but the directories are on this box.

However, the root user cannot log in and the home dir is /root on the
root filesystem, with the passwd entry being on /etc/passwd line 1.


Comment 5 Bill Nottingham 2004-11-29 15:44:06 EST
Can you enable sysrq and get sysrq-t (or -p or -m) to see what it's
doing when it's hung?
Comment 6 Stig Hackvan 2004-12-09 23:15:55 EST
I also get very long latency on ctrl-alt-del.  also the FC3 kernels
hang instead of rebooting... when i want to reboot, it's the reset
button (after everything's been unmounted).

--stig
Comment 7 Dave Jones 2005-07-15 16:12:02 EDT
An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which
may contain a fix for your problem.   Please update to this new kernel, and
report whether or not it fixes your problem.

If you have updated to Fedora Core 4 since this bug was opened, and the problem
still occurs with the latest updates for that release, please change the version
field of this bug to 'fc4'.

Thank you.
Comment 8 Andrew Meredith 2005-07-15 17:40:40 EDT
This hasn't happened for a while now.

Sorry, not sure what fixed it.


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