My system has started to hang randomly. What information does Red Hat's technical support need to diagnose the problem?

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In addition to the usual suspects such as a system report and a detailed description of the situation (for example, "My system started to randomly hang after I applied a firmware update for my RAID card"), the information produced by the SysRq keys will be extremely helpful. To gather this information, you will need to be able to:

  1. Edit /etc/grub.conf

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