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CPU Hog Detected by Timer ABEND with iPrint NetWare server

This document (7014054) is provided subject to the disclaimer at the end of this document.


Novell iPrint for NetWare


NetWare iPrint server ABENDs with the following in the SYS:\SYSTEM\abend.log

Server <ServerName> halted <date+time>
Abend 1 on <processor>: Server-<version>: CPU Hog Detected by Timer
Running process: Interrupt service routine (nested count 0)
Interrupted process: Apache_Worker X Process
Thread Owned by NLM: APACHE2.NLM


Apply the Apache2.nlm dated November 2013 or later.  This update can be obtained from the iprntnw65sp8f patch set.

Workaround Step 1: Remove the SSL feature on all printers
  • Go to iManager -> iPrint -> Manage Print Manager -> Printer Agents -> Services -> Check the top "Secure" box -> Uncheck the top "Secure" box -> Click Apply
    • These steps will turn Secure off for all printer agents.
Workaround Step 2: Remove the SSLUpgrade ability from the iPrint Apache configuration.
  • Open the  sys:\Apache2\iprint\ipp.conf
  • Put a # in front of the following line:
    • "NWSSLUpgradeable 631 "SSL CertificateDNS" in ipp.conf
  • Save the file
  • Restart Apache
    • ap2webdn
    • ap2webup


Mac OSX 10.9 (Mavericks) workstations have a new version of IPP.  When a Mac OSX 10.9 machine attempts to authenticate to a secure enabled iPrint printer, Apache will ABEND.


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  • Document ID:7014054
  • Creation Date:05-NOV-13
  • Modified Date:20-NOV-13
    • NovelliPrint

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