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IDProjectCategoryView StatusDate SubmittedLast Update
0001037CentOS-4up2datepublic2005-10-10 19:272005-12-29 15:44
ReporterJohnnyHughes 
PrioritynormalSeverityminorReproducibilitysometimes
StatusclosedResolutionopen 
PlatformOSOS Version
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:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=170087 [^]

And in the upstream mailing list:
https://www.redhat.com/archives/nahant-list/2005-October/msg00103.html [^]
TagsNo tags attached.
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-  Notes
(0002843)
JohnnyHughes (administrator)
2005-10-13 10:44

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

then

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

then reboot and do

yum upgrade

(If you have an x86_64 SMP machine)
(0002849)
ogee (reporter)
2005-10-17 15:46
edited on: 2005-10-17 16:04

Hi,

   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

--ogee

(0003032)
JohnnyHughes (administrator)
2005-12-29 15:44

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

see:
http://rhn.redhat.com/errata/RHBA-2005-842.html [^]

make sure to upgrade like this:

yum upgrade yum shadow-utils

then

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


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