The message “slab error in kmem_cache_destroy(): cache `xxx': Can't free all objects” was logged in the system log file.

Solution Verified - Updated -

Issue

  • You received a message similar to “slab error in kmem_cache_destroy(): cache `AsmAgePage': Can't free all objects” in the system log file.
  • You see a stack trace similar to the following.
slab error in kmem_cache_destroy(): cache `AsmAgePage': Can't free all objects 
Pid: 22721, comm: modprobe Tainted: P        W  ---------------    2.6.32-358.el6.x86_64 #1 
Call Trace: 
 [<ffffffff8116a58b>] ? kmem_cache_destroy+0xbb/0xf0 
 [<ffffffffa0474c5e>] ? KsCacheDestroy+0xe/0x10 [oracleoks] 
 [<ffffffffa0507d41>] ? AsmDestroyCaches+0x52/0x7c [oracleadvm] 
 [<ffffffffa0507da4>] ? AsmExit+0x39/0x8a [oracleadvm] 
 [<ffffffffa0510af6>] ? asmExit_int+0x24d/0x26f [oracleadvm] 
 [<ffffffffa0514170>] ? asmExit+0xe/0x10 [oracleadvm] 
 [<ffffffff810b4814>] ? sys_delete_module+0x194/0x260 
 [<ffffffff81006d76>] ? xen_ptep_modify_prot_commit+0xa6/0xd0 
 [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b 
  • Sometime later the system may have crashed.

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5

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