High Memory Utilization On A Card; Symptom; Troubleshooting Flowchart; Solution - HP FlexFabric 12900 series Troubleshooting Manual

[<ffffffff80260730>] kthread+0x130/0x140
[<ffffffff8021aec0>] kernel_thread_helper+0x10/0x20
3. Save the information displayed in the previous steps.
4. Contact HP Support.

High memory utilization on a card

Symptom

The memory utilization on a card is over 60% for more than 30 minutes.

Troubleshooting flowchart

Figure 9 Troubleshooting high memory utilization
High memory utilization
Display memory usage
information
Display memory call
information
Contact the support

Solution

To resolve the problem:
1. Execute the display system internal kernel memory pool command multiple times to display
memory usage information.
[Sysname-probe] display system internal kernel memory pool slot 1
Active
9126
105
14
147
7108
22
1288
0
630
68
1718
Number Size Align Slab Pg/Slab ASlabs
9248 64 8
112 16328 0
14 2097096 0
225 2048 8
7232 192 8
22 524232 0
1344 128 8
0 67108808 0
651 4096 8
70 131016 0
2048 8 8
32 1 289
2 8 54
1 512 14
15 8 12
32 2 226
1 128 22
21 1 64
1 16384 0
7 8 93
1 32 68
64 1 31
31
NSlabs Name
289 kmalloc-64
56 kmalloc-16328
14 kmalloc-2097096
15 kmalloc-2048
226 kmalloc-192
22 kmalloc-524232
64 kmalloc-128
0 kmalloc-67108808
93 kmalloc-4096
70 kmalloc-131016
32 kmalloc-8