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Oracle Linux : Server Crashes With "RIP: 0010 megasas_fw_crash_buffer_show+0x9f/0x1a0 [megaraid_sas]" (Doc ID 2599546.1)

Last updated on DECEMBER 09, 2019

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Symptoms

A kernel crash on an Oracle Linux Server caused the server to reboot, with the following call trace captured by the vmcore generated from the crash :

[3418199.707632] megaraid_sas 0000:5e:00.0: NVMe passthru support : No
[3418199.771542] megaraid_sas 0000:5e:00.0: waiting for controller reset to finish
[3418199.771558] megaraid_sas 0000:5e:00.0: waiting for controller reset to finish
[3418199.771760] megaraid_sas 0000:5e:00.0: Interrupts are enabled and controller is OPERATIONAL for scsi:8
[3418199.775846] megaraid_sas 0000:5e:00.0: Reset successful for scsi8.
[3418199.776151] megaraid_sas 0000:5e:00.0: 2293 (620328480s/0x0020/CRIT) - Controller encountered a fatal error and was reset
[3418199.785752] megaraid_sas 0000:5e:00.0: scanning for scsi8...
[3418200.807380] BUG: unable to handle kernel paging request at ffffc9001c4bcef7
[3418200.815503] IP: [<ffffffffa006e76f>] megasas_fw_crash_buffer_show+0x9f/0x1a0 [megaraid_sas]
[3418200.825188] PGD 17e01ad067 PUD 303f802067 PMD 174b2a5067 PTE 0
[3418200.832059] Oops: 0000 [#1] SMP
[3418200.835947] Modules linked in: ksplice_6lw015pf(O) ksplice_kgn8gqqi_ext4_new(O) ksplice_kgn8gqqi(O) ksplice_7utswooq_vmlinux_new(O) ksplice_7utswooq(O) ksplice_2d8uhlxy_vmlinux_new(O) ksplice_2d8uhlxy(O) ksplice_d1u8ybba(O) ksplice_hhhwajn6(O) ksplice_nayeinzh_vmlinux_new(O) ksplice_nayeinzh(O) ksplice_ovabwkag_ext4_new(O) ksplice_ovabwkag(O) ksplice_i4konm7m_vmlinux_new(O) ksplice_i4konm7m_ext4_new(O) ksplice_i4konm7m(O) ksplice_ry7b4cfc_vmlinux_new(O) ksplice_ry7b4cfc(O) ksplice_musu64er_vmlinux_new(O) ksplice_musu64er(O) ksplice_dz2cv9sv_vmlinux_new(O) ksplice_dz2cv9sv(O) ksplice_honz3g9t_ext4_new(O) ksplice_honz3g9t(O) ksplice_qurx51il_vmlinux_new(O) ksplice_qurx51il(O) ksplice_5kfn4iud(O) ksplice_els0vptv_vmlinux_new(O) ksplice_els0vptv(O) ksplice_cc4jh8b9(O) ksplice_ruspn21i(O) ksplice_nz0sbas8_rds_new(O)
[3418200.918011] ksplice_nz0sbas8(O) ksplice_brasm60x_vmlinux_new(O) ksplice_brasm60x(O) ksplice_5dq87kra_vmlinux_new(O) ksplice_5dq87kra(O) ksplice_pwc6xmnr_vmlinux_new(O) ksplice_pwc6xmnr(O) ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 ip6table_filter ip6_tables iptable_filter ip_tables rds_rdma rds ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ipmi_poweroff ipmi_devintf vfat fat dm_mod mlx4_ib ib_sa ib_mad ib_core ib_addr ipv6 mlx4_core shpchp igb dca i2c_algo_bit ptp pps_core sg wmi ipmi_ssif i2c_core ipmi_si ipmi_msghandler acpi_cpufreq acpi_pad ext4 jbd2 mbcache2 raid1 sd_mod raid0 megaraid_sas nvme nvme_core ahci libahci xhci_pci xhci_hcd [last unloaded: ksplice_6lw015pf_xen_blkfront_new]
[3418200.989662] CPU: 31 PID: 37999 Comm: mrdiagd Tainted: G W O 4.1.12-124.24.3.el6uek.x86_64 #2
[3418201.000612] Hardware name: Oracle Corporation ORACLE SERVER X7-2L/ASM, MB MECH, X7-2L, BIOS 42050800 03/06/2019
[3418201.012257] task: ffff880a0458aa00 ti: ffff8808085ec000 task.ti: ffff8808085ec000
[3418201.020943] RIP: 0010:[<ffffffffa006e76f>] [<ffffffffa006e76f>] megasas_fw_crash_buffer_show+0x9f/0x1a0 [megaraid_sas]
[3418201.033403] RSP: 0018:ffff8808085efcf8 EFLAGS: 00010093
[3418201.039663] RAX: 0000000000000000 RBX: ffff8817c83ed904 RCX: ffff8817cdf1c348
[3418201.047954] RDX: fffffffffffffff8 RSI: ffffc9001c4bbf00 RDI: ffff882367fbd008
[3418201.056293] RBP: ffff8808085efd18 R08: 0000000000000fff R09: ffffc9001c4bbf00
[3418201.064587] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000296
[3418201.072912] R13: 0000000000000fff R14: ffff882367fbd000 R15: 0000000000000001
[3418201.081203] FS: 00007f0640a6d720(0000) GS:ffff882fdeac0000(0000) knlGS:0000000000000000
[3418201.090581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[3418201.097295] CR2: ffffc9001c4bcef7 CR3: 000000084b5dc000 CR4: 0000000000360670
[3418201.105578] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[3418201.113871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[3418201.122164] Stack:
[3418201.124641] ffffffffa008b400 ffffffff817882f0 ffff88084c8ab400 ffff8821edc44b40
[3418201.133299] ffff8808085efd48 ffffffff81476ea3 ffff8808085efd48 ffffffff816ef1c6
[3418201.141946] ffff8808085efd58 ffff8821edc44b40 ffff8808085efd68 ffffffff8128f249
[3418201.150589] Call Trace:
[3418201.153568] [<ffffffff81476ea3>] dev_attr_show+0x23/0x60
[3418201.159888] [<ffffffff816ef1c6>] ? mutex_lock+0x16/0x40
[3418201.166111] [<ffffffff8128f249>] sysfs_kf_seq_show+0xb9/0x150
[3418201.172925] [<ffffffff8128d7d9>] kernfs_seq_show+0x29/0x30
[3418201.179483] [<ffffffff81231bf3>] seq_read+0xd3/0x3f0
[3418201.185409] [<ffffffff8128e185>] kernfs_fop_read+0x115/0x180
[3418201.192127] [<ffffffff8120b6eb>] __vfs_read+0x2b/0xf0
[3418201.198164] [<ffffffff812b40d4>] ? security_file_permission+0x94/0xb0
[3418201.213272] [<ffffffff8120bca3>] ? rw_verify_area+0x53/0x100
[3418201.226993] [<ffffffff8120bdda>] vfs_read+0x8a/0x140
[3418201.239781] [<ffffffff8120cc96>] SyS_read+0x46/0xb0
[3418201.252368] [<ffffffff816f209f>] ? system_call_after_swapgs+0xe9/0x190
[3418201.266727] [<ffffffff816f2098>] ? system_call_after_swapgs+0xe2/0x190
[3418201.281228] [<ffffffff816f2091>] ? system_call_after_swapgs+0xdb/0x190
[3418201.295385] [<ffffffff816f215e>] system_call_fastpath+0x18/0xd8
[3418201.309058] Code: ff 0f 00 4d 03 8c f5 10 04 00 00 41 83 f8 08 72 4b 49 8d 7e 08 49 8b 01 4c 89 f2 45 89 c5 4c 89 ce 48 83 e7 f8 48 29 fa 49 89 06 <4b> 8b 44 29 f8 41 8d 0c 10 48 29 d6 c1 e9 03 4b 89 44 2e f8 89
[3418201.344319] RIP [<ffffffffa006e76f>] megasas_fw_crash_buffer_show+0x9f/0x1a0 [megaraid_sas]
[3418201.360329] RSP <ffff8808085efcf8>
[3418201.370595] CR2: ffffc9001c4bcef7

Cause

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In this Document
Symptoms
Cause
Solution
References


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