My Oracle Support Banner

Oracle Linux - kernel BUG at fs/ocfs2/dlmglue.c:826! (Doc ID 2585648.1)

Last updated on SEPTEMBER 17, 2019

Applies to:

Linux OS - Version Oracle Linux 7.6 to Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] [Release OL7U6]
Linux x86-64

Symptoms

Server restarts automatically with below call trace.


ERROR
-----------
[486129.129397] ------------[ cut here ]------------
[486129.129400] kernel BUG at fs/ocfs2/dlmglue.c:826!  
[486129.129463] invalid opcode: 0000 [#1] SMP PTI
[486129.129503] Modules linked in: ocfs2 jbd2 ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue binfmt_misc macsec sctp_diag sctp tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag vmw_vsock_vmci_transport vsock dm_mirror dm_region_hash dm_log dm_mod vmw_balloon pcspkr sg i2c_piix4 vmw_vmci shpchp auth_rpcgss sunrpc ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops vmxnet3 ttm drm mptspi scsi_transport_spi ata_piix mptscsih libata mptbase floppy [last unloaded: ocfs2_nodemanager]
[486129.129948] CPU: 2 PID: 5400 Comm: rsync Not tainted 4.14.35-1844.1.3.el7uek.x86_64 #2
[486129.130008] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 04/05/2016
[486129.130093] task: ffff9c7e0ecb5a00 task.stack: ffffc054c1d50000
[486129.130248] RIP: 0010:__ocfs2_cluster_unlock.isra.37+0xa8/0xb0 [ocfs2]
[486129.130301] RSP: 0018:ffffc054c1d53a78 EFLAGS: 00010046
[486129.130344] RAX: 0000000000000296 RBX: ffff9c7dbffad218 RCX: 0000000000000000
[486129.130398] RDX: 0000000000000000 RSI: ffff9c7dbffad218 RDI: ffff9c7dbffad294
[486129.130453] RBP: ffffc054c1d53aa0 R08: 0000000000000000 R09: 0000000000000000
[486129.130507] R10: 0000000000000000 R11: 000000000000004d R12: 0000000000000003
[486129.130561] R13: ffff9c7dbffad294 R14: ffff9c7e98647000 R15: 0000000000000000
[486129.130617] FS: 00007fc0511d0740(0000) GS:ffff9c7ebfc80000(0000) knlGS:0000000000000000
[486129.130678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[486129.130723] CR2: 00007f61e6b6885c CR3: 000000016f382000 CR4: 00000000000006e0
[486129.130851] Call Trace:
[486129.130914] ocfs2_dentry_unlock+0x7d/0x90 [ocfs2]
[486129.130984] ocfs2_dentry_attach_lock+0x317/0x480 [ocfs2]
[486129.131033] ? d_splice_alias+0x2bd/0x375
[486129.131101] ocfs2_lookup+0x1f8/0x300 [ocfs2]
[486129.131140] ? d_invalidate+0xbb/0x115
[486129.131177] lookup_slow+0xa8/0x15e
[486129.131211] walk_component+0x163/0x246
[486129.131247] path_lookupat+0x79/0x203
[486129.131282] filename_lookup+0xaf/0x183
[486129.132652] ? kmem_cache_alloc+0x9e/0x1ce
[486129.134012] ? getname_flags+0x6f/0x1ed
[486129.135353] user_path_at_empty+0x36/0x3d
[486129.136685] vfs_statx+0x77/0xd7
[486129.137818] SYSC_newlstat+0x3d/0x70
[486129.139106] ? entry_SYSCALL_64_after_hwframe+0xf7/0x0
[486129.140374] ? __audit_syscall_entry+0xac/0xef
[486129.141604] ? syscall_trace_enter+0x1ce/0x2b8
[486129.142802] ? entry_SYSCALL_64_after_hwframe+0xc6/0x0
[486129.143963] ? entry_SYSCALL_64_after_hwframe+0xbf/0x0
[486129.145083] ? entry_SYSCALL_64_after_hwframe+0xb8/0x0
[486129.146139] ? entry_SYSCALL_64_after_hwframe+0xb1/0x0
[486129.147143] ? entry_SYSCALL_64_after_hwframe+0xaa/0x0
[486129.148182] ? entry_SYSCALL_64_after_hwframe+0xa3/0x0
[486129.149062] ? entry_SYSCALL_64_after_hwframe+0x9c/0x0
[486129.149798] ? entry_SYSCALL_64_after_hwframe+0x95/0x0
[486129.150504] SyS_newlstat+0xe/0x10
[486129.151312] do_syscall_64+0x79/0x1ae
[486129.152111] entry_SYSCALL_64_after_hwframe+0x151/0x0
[486129.152897] RIP: 0033:0x7fc0506c89f5
[486129.153684] RSP: 002b:00007ffc60a793e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
[486129.154501] RAX: ffffffffffffffda RBX: 00007ffc60a79510 RCX: 00007fc0506c89f5
[486129.155265] RDX: 00007ffc60a79510 RSI: 00007ffc60a79510 RDI: 00007ffc60a795a0
[486129.155978] RBP: 0000000000000000 R08: 00007ffc60a795be R09: 0000000000000000
[486129.156674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc60a795a0
[486129.157469] R13: 00007ffc60a79510 R14: 0000000000010004 R15: 0000000000000002
[486129.158189] Code: 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 0f 0b 8b 53 68 85 d2 74 15 83 ea 01 89 53 68 eb ac 0f 0b 8b 53 6c 85 d2 74 be eb cc 0f 0b 0b 0f 0b 0f 1f 40 00 66 66 66 66 90 55 48 89 e5 41 56 41 55
[486129.160718] RIP: __ocfs2_cluster_unlock.isra.37+0xa8/0xb0 [ocfs2] RSP: ffffc054c1d53a78

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.