IBM 7378, Problem Determination And Service Manual

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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 4, “Parts listing, System x3400 M3 Types 7378 and 7379,” on page 141 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units
(FRU).
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
DHCP setting changed to by user
%1.
(%1 = user ID) Info A user has changed the
DHCP mode. No action; information only.
IMM: Configuration %1 restored from
a configuration file by user %2.
(%1 = CIM_ConfigurationData.
ConfigurationName; %2 = user ID) Info A user has restored the IMM
configuration by importing a
configuration file. No action; information only.
Watchdog %1 Screen Capture
Occurred.
(%1 = OS Watchdog or Loader
Watchdog) Error An operating-system error
has occurred, and the
screen capture was
successful.
1. Reconfigure the watchdog
timer to a higher value.
2. Make sure that the IMM
Ethernet over USB interface
is enabled.
3. Reinstall the RNDIS or
cdc_ether device driver for
the operating system.
4. Disable the watchdog.
5. Check the integrity of the
installed operating system.
Watchdog %1 Failed to Capture
Screen.
(%1 = OS Watchdog or Loader
Watchdog) Error An operating-system error
has occurred, and the
screen capture failed.
1. Reconfigure the watchdog
timer to a higher value.
2. Make sure that the IMM
Ethernet over USB interface
is enabled.
3. Reinstall the RNDIS or
cdc_ether device driver for
the operating system.
4. Disable the watchdog.
5. Check the integrity of the
installed operating system.
6. Update the IMM firmware.
Important: Some cluster
solutions require specific code
levels or coordinated code
updates. If the device is part
of a cluster solution, verify
that the latest level of code is
supported for the cluster
solution before you update
the code.
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IBM System x3400 M3 Types 7378 and 7379: Problem Determination and Service Guide