Table 6. IMM error messages (continued)
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 x3550 M3 Types 4254 and 7944,” on page 159 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.
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.
78 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide
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