IBM Power AC922 8335-GTW, Handbook

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If Then
No: Continue with the next step.
2. To identify the correct service procedure to perform by using operating system log information,
complete the following steps:
a) Log in as the root user.
b) To display the operating system logs, type dmesg and press Enter.
3. Scan the operating system logs that occurred around the time that the problem started for the first
occurrence of keywords, such as fail, failure, or failed. When you find a keyword that accompanies one
or more of the resource names in the following table, a service action is required. Use the following
table to determine the service procedure to perform for your type of problem.
Table 1. Resource names, examples, and service procedures for different types of operating system
logs.
Resource name
Example of a log
requiring a service
action
Type of problem Service procedure
eth1, eth2, eth3,
enPxxxxx, where xxxxx
indicates the network
port.
Failed to re-
initialize device
Network Go to “Resolving a
network adapter
problem” on page 9.
mlx5_core Link Down
health_care:
handling bad
device here
Network Go to “Resolving a
network adapter
problem” on page 9.
tg3 PCI I/O error
detected.
Link is Down
Network Go to “Resolving a
network adapter
problem” on page 9.
NVRM aborting
RmInitAdapter
failed!
Graphics Go to “Resolving a
graphics processing
unit problem” on page
10.
nvidia-nvlink IBMNPU: NPU FENCE
detected, machine
power cycle
required
Graphics Go to “Resolving a
graphics processing
unit problem” on page
10.
nvme Failed status:
ffffffff, reset
controller
NVMe Flash adapter Go to “Resolving an
NVMe Flash adapter
problem” on page 14.
sda, sdb, sdc FAILED Result Storage Go to “Resolving a
storage device
problem” on page 13.
8 Power Systems: Problem analysis, system parts, and locations for the 8335-GTC, 8335-GTG, 8335-GTH,
8335-GTW, and 8335-GTX