Kernel Panic on 'RIP: show_partition+209' When Running 'service oracleasm start' (Doc ID 818723.1)

Last updated on MARCH 08, 2017

Applies to:

Linux OS - Version: 4.0 to 5.0
Linux x86
Linux x86-64
Linux Kernel - Version: 4.0 to 5.0

Symptoms

System crashes with following errors on console when running 'service oracleasm start':
Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:
<ffffffff802514bf>{show_partition+209}
PML4 3a5cd7067 PGD 1830ac067 PMD 0
Oops: 0000 [1] SMP
CPU 7
Modules linked in: oracleasm(U) emcpdm(U) emcpgpx(U) emcpmpx(U) emcp(U) emcplib(U) qla2300 qla2xxx
netconsole netdump joydev md5 ipv6 sunrpc ide_scsi dm_mod button battery ac ohci_hcd hw_random tg3
e1000 bond2(U) bond1(U) bond0(U) floppy sg ext3 jbd raid1 mptscsih mptsas mptspi mptfc mptscsi
mptbase scsi_transport_fc sd_mod scsi_mod
Pid: 5216, comm: iostat Tainted: P M 2.6.9-42.0.3.6.1.ELsmp
RIP: 0010:[<ffffffff802514bf>] <ffffffff802514bf>{show_partition+209}
RSP: 0018:000001030e5a9e68 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000071
RDX: 0000000000000000 RSI: ffffffff803364ef RDI: 000001032f9e4080
RBP: 00000100012e8400 R08: 00000000fffffffb R09: 000001030e5a9e68
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 000001032f9e4080 R14: 00000000000001b9 R15: 000000000000001c
FS: 0000002a959a1da0(0000) GS:ffffffff804e5400(0000) knlGS:00000000f611fbb0
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000008 CR3: 000000000e0c0000 CR4: 00000000000006e0
Process iostat (pid: 5216, threadinfo 000001030e5a8000, task 00000100eecbe7f0)
Stack: 0000003168686473 0000000000000246 00000100fbec3a00 0000000000000246
0000000000000246 00000100012e8400 000001032f9e4080 0000000000000000
00000000000003e4 ffffffff80195e4a
Call Trace:<ffffffff80195e4a>{seq_read+445} <ffffffff8017949b>{vfs_read+207}
<ffffffff801796f2>{sys_read+69} <ffffffff8011026a>{system_call+126}

Changes

Running  'service oracleasm start' after adding new LUNs to the system.

Cause

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