crash: kmem -s displays data for thousands of slabs on RHEL 8

Solution Unverified - Updated -

Issue

  • In the crash debugger, kmem -s displays thousands of entries:
CACHE             OBJSIZE  ALLOCATED     TOTAL  SLABS  SSIZE  NAME
ffff96819414a900      576          2        14      1     8k  radix_tree_node(8590:rhsm.service)
ffff96819414bb00     2096          0        15      1    32k  TCP(8590:rhsm.service)
ffff9680e0700480     2048          0        32      2    32k  kmalloc-2048(8590:rhsm.service)
ffff9680e0700900      904          0         0      0    16k  xfs_inode(8590:rhsm.service)
ffff9680e0701b00     4096          0        16      2    32k  kmalloc-4096(8590:rhsm.service)
ffff96819414a300      664          1        24      2     8k  proc_inode_cache(8590:rhsm.service)
ffff9680e0700300     1088          0        15      1    16k  signal_cache(8590:rhsm.service)
ffff9680e0700780     2088          0        15      1    32k  sighand_cache(8590:rhsm.service)
ffff9680e0701c80      704          0        23      1    16k  files_cache(8590:rhsm.service)
ffff9680e0701200     5888          1        10      2    32k  task_struct(8590:rhsm.service)
ffff9680e0700600     1024          0        16      1    16k  kmalloc-1024(8590:rhsm.service)
ffff9680e0700f00      192          0        21      1     4k  kmalloc-192(8590:rhsm.service)
[...]

Environment

  • Red Hat Enterprise Linux 8
  • crash command

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content