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ORACLE LINUX: dlm_print_one_lock_resource on ocfs2_dlm causing the machine reboot (Doc ID 2374988.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version Oracle Linux 6.8 with Unbreakable Enterprise Kernel [4.1.12] to Oracle Linux 7.4 [Release OL6U8 to OL7U4]
Linux x86-64
Linux x86

Symptoms

System facing the random reboot with below trace in the kernel log.

[exception RIP: _raw_spin_lock+18]
RIP: ffffffff816e5832 RSP: ffff8809d276f968 RFLAGS: 00010282
RAX: 0000000000020000 RBX: 00000000000000b0 RCX: 0000000000000000
RDX: ffff880abfd922e0 RSI: ffff880abfd8ea18 RDI: 00000000000000b0
RBP: ffff8809d276f978 R8: 0000000000000000 R9: 0000000000001a3e
R10: 0000000000000000 R11: 000000000000a000 R12: 0000000000000000
R13: ffff880248629958 R14: 00000000ffffffea R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff8809d276f980] dlm_print_one_lock_resource at ffffffffa03798a8 [ocfs2_dlm]
#10 [ffff8809d276f9a0] dlm_print_one_lock at ffffffffa03798e2 [ocfs2_dlm]
#11 [ffff8809d276f9b0] o2cb_dump_lksb at ffffffffa01b8072 [ocfs2_stack_o2cb]
#12 [ffff8809d276f9c0] ocfs2_dlm_dump_lksb at ffffffffa0284077 [ocfs2_stackglue]
#13 [ffff8809d276f9d0] ocfs2_drop_lock at ffffffffa03d83e7 [ocfs2]
#14 [ffff8809d276fab0] ocfs2_drop_inode_locks at ffffffffa03d86af [ocfs2]
#15 [ffff8809d276faf0] __dta_ocfs2_clear_inode_633 at ffffffffa03ea471 [ocfs2]
#16 [ffff8809d276fb80] ocfs2_evict_inode at ffffffffa03eabd0 [ocfs2]
#17 [ffff8809d276fba0] evict at ffffffff8122610b
#18 [ffff8809d276fbd0] iput_final at ffffffff812262f6
#19 [ffff8809d276fc00] iput at ffffffff81226498
#20 [ffff8809d276fc40] __dta_ocfs2_recover_orphans_682 at ffffffffa03eee79 [ocfs2]
#21 [ffff8809d276fd00] ocfs2_complete_recovery at ffffffffa03ef5ce [ocfs2]
#22 [ffff8809d276fde0] process_one_work at ffffffff810a14e1
#23 [ffff8809d276fe40] worker_thread at ffffffff810a1960
#24 [ffff8809d276fec0] kthread at ffffffff810a6b3e
#25 [ffff8809d276ff50] ret_from_fork at ffffffff816e6162

 

Changes

 

Cause

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