IBM Support

Ctrl-C keys fail to kill process in Serial Over LAN - IBM BladeCenter

Troubleshooting


Problem

Pressing the CTRL and the C keys fail to terminate a process when accessing the Blade through Serial Over LAN. Control is returned to the user only when the process is completed.

Resolving The Problem

Source

RETAIN tip: H191499

Symptom

Pressing the CTRL and C key combination fails to terminate a process when accessing the Blade through Serial Over LAN. Control is returned to the user only when the process is completed.

Affected configurations

The system may be any of the following IBM servers:

  • BladeCenter H, type 8852, any model
  • BladeCenter HT, type 8740, any model
  • BladeCenter HT, type 8750, any model
  • BladeCenter JS21, type 7988, any model
  • BladeCenter JS21, type 8844, any model
  • BladeCenter T, type 8720, any model
  • BladeCenter T, type 8730, any model

This Tip is not option specific.

The system is configured with at least one of the following:

  • Red Hat Linux RHEL 4, update 5
  • Red Hat Linux RHEL 5, any update

Note: This does not imply that the network operating system will work under all combinations of hardware and software.

Please see the compatibility page for more information:

http://www.ibm.com/servers/eserver/serverproven/compat/us/index.html
Solution

This issue is fixed in RHEL4 update 6 and RHEL5 update 1.

Workaround

Log in to the BladeCenter system using Telnet or SSH and kill the process by finding the process ID.

Additional Information

This happens only in RHEL4 update 5, and RHEL5 any update, when accessed through Serial Over LAN.

The CTRL and Z key combination is also not recognized.

Document Location

Worldwide

Operating System

BladeCenter:Red Hat Enterprise Linux 4

BladeCenter:Red Hat Enterprise Linux 5

[{"Type":"HW","Business Unit":{"code":"BU016","label":"Multiple Vendor Support"},"Product":{"code":"HW20M","label":"BladeCenter->BladeCenter T Chassis"},"Platform":[{"code":"PF042","label":"Caldera"}],"Line of Business":{"code":"","label":""}},{"Type":"HW","Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"HW21X","label":"BladeCenter JS21 Blade"},"Platform":[{"code":"PF042","label":"Caldera"}],"Line of Business":{"code":"LOB57","label":"Power"}},{"Type":"HW","Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"HW21Y","label":"BladeCenter H Chassis"},"Platform":[{"code":"PF042","label":"Caldera"}],"Line of Business":{"code":"","label":""}},{"Type":"HW","Business Unit":{"code":"BU016","label":"Multiple Vendor Support"},"Product":{"code":"HW22Q","label":"BladeCenter->BladeCenter HT Chassis"},"Platform":[{"code":"PF042","label":"Caldera"}],"Line of Business":{"code":"LOB57","label":"Power"}}]

Document Information

Modified date:
29 January 2019

UID

ibm1MIGR-5072129

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