2016-10-23 11:58 UTC

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IDProjectCategoryView StatusLast Update
0001037CentOS-4up2datepublic2005-12-29 15:44
Product Versionunspecified 
Target VersionFixed in Version 
Summary0001037: useradd (during U2 upgrade) causes 100% CPU utilisation and cannot be killed (on x86_64)
Descriptionx86_64 machines got stuck with useradd taking up 100% CPU and impossible to kill even with SIGTERM when upgrading to U2. From what I saw, it doesn't seem to be a package in particular, since most were stuck on the nscd scriplet, but at least one was stuck on the openssh scriplet.

This is documented on the upstream bugzilla:

And in the upstream mailing list:
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Attached Files




JohnnyHughes (administrator)

It seems that this bug effects SMP x86_64 machines the hardest, and that it happens on whether using yum or up2date.

My best advise to avoid it is:

yum update yum


yum update kernel kernel-smp kernel-dev audit audit-libs

then reboot and do

yum upgrade

(If you have an x86_64 SMP machine)


ogee (reporter)

Last edited: 2005-10-17 16:04


   I have also problem with useradd. When I start it, it hangs up, stay on terminal get 100% of CPU utilization and I can't kill it by `kill -9 ...` I have to restart whole system to get rid of.

2x3.2 GHz Intel Xeon EM64T, 2GB RAM
kernel 2.6.9-11.ELsmp #1 SMP



JohnnyHughes (administrator)

This is fixed with shadow-utils-4.0.3-58.RHEL4.src.rpm


make sure to upgrade like this:

yum upgrade yum shadow-utils


yum upgrade

-Issue History
Date Modified Username Field Change
2005-10-10 19:27 JohnnyHughes New Issue
2005-10-10 19:27 JohnnyHughes Status new => assigned
2005-10-13 10:44 JohnnyHughes Note Added: 0002843
2005-10-17 15:46 ogee Note Added: 0002849
2005-10-17 15:59 ogee Note Edited: 0002849
2005-10-17 16:04 ogee Note Edited: 0002849
2005-11-15 22:07 mabino Note Added: 0002927
2005-11-15 22:44 mabino Note Deleted: 0002927
2005-12-29 15:44 JohnnyHughes Status assigned => closed
2005-12-29 15:44 JohnnyHughes Note Added: 0003032
+Issue History