Kernel Panic With: "RIP: _symev_check_fopmap+0xb9/0x3e0 [symev_custom...]" (Doc ID 2752860.1)

Last updated on FEBRUARY 18, 2021

Applies to:

Symptoms

Linux instance has restarted.

It generate a vmcore with the following information:

[152510.112422] BUG: unable to handle kernel paging request at 0000000200004e51
[152510.117506] IP: _symev_check_fopmap+0xb9/0x3e0 [symev_custom_4_14_35_2025_405_3_el7uek_x86_64]
[152510.121851] PGD 0 P4D 0 
[152510.122970] Oops: 0000 [#1] SMP NOPTI
[152510.124552] Modules linked in: sctp_diag sctp unix_diag af_packet_diag netlink_diag ip6table_filter ip6_tables iptable_filter udp_diag tcp_diag inet_diag symap_custom_4_14_35_2025_405_3_el7uek_x86_64(POE) symev_custom_4_14_35_2025_405_3_el7uek_x86_64(OE) bochs_drm ttm drm_kms_helper drm syscopyarea sg sysfillrect pcspkr sysimgblt i2c_piix4 fb_sys_fops binfmt_misc ip_tables vfat fat xfs libcrc32c sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel be2iscsi ghash_clmulni_intel pcbc bnx2i cnic virtio_net uio virtio_scsi net_failover failover ata_generic cxgb4i cxgb4 ptp pata_acpi pps_core cxgb3i cxgb3 mdio libcxgbi libcxgb qla4xxx aesni_intel iscsi_boot_sysfs crypto_simd glue_helper cryptd ata_piix serio_raw virtio_pci libata virtio_ring virtio floppy sunrpc dm_mirror dm_region_hash dm_log dm_mod iscsi_tcp
[152510.156190]  libiscsi_tcp libiscsi scsi_transport_iscsi
[152510.158606] CPU: 1 PID: 18154 Comm: abrt-dump-oops Tainted: P        W  OE   4.14.35-2025.405.3.el7uek.x86_64 #2
[152510.162370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015
[152510.165503] task: ffff97a174d08000 task.stack: ffffb60f87fc0000
[152510.168142] RIP: 0010:_symev_check_fopmap+0xb9/0x3e0 [symev_custom_4_14_35_2025_405_3_el7uek_x86_64]
[152510.171920] RSP: 0018:ffffb60f87fc3ea0 EFLAGS: 00010246
[152510.174136] RAX: 0000000200004e49 RBX: ffffffffc0505640 RCX: 0000000000000001
[152510.177034] RDX: ffff97a1745e4b70 RSI: 0000000000000282 RDI: 0000000000000282
[152510.179746] RBP: ffffb60f87fc3ed0 R08: 0000000000000000 R09: 0000000000000004
[152510.182570] R10: ffff97a174c62d38 R11: 0000000000000018 R12: ffff97a174c62d00
[152510.185641] R13: 0000000200004e49 R14: 0000000000000009 R15: 0000000000000009
[152510.188355] FS:  00007f879e859900(0000) GS:ffff97a17fd00000(0000) knlGS:0000000000000000
[152510.191536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[152510.193912] CR2: 0000000200004e51 CR3: 000000009bd1a000 CR4: 00000000003406e0
[152510.196564] Call Trace:
[152510.198079]  hook_symev_openat+0x11b/0x130 [symev_custom_4_14_35_2025_405_3_el7uek_x86_64]
[152510.201148]  symev_openat+0x11/0x20 [symev_custom_4_14_35_2025_405_3_el7uek_x86_64]
[152510.204054]  do_syscall_64+0x79/0x1b9
[152510.206083]  entry_SYSCALL_64_after_hwframe+0x16d/0x0
[152510.208367] RIP: 0033:0x7f879d1d7897
[152510.209707] RSP: 002b:00007fff987031f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[152510.212793] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f879d1d7897
[152510.215762] RDX: 00000000000200c1 RSI: 00007f879dc515d3 RDI: 0000000000000003
[152510.218405] RBP: 00007f879dc515d3 R08: 00000000000000ad R09: 00000000000001a0
[152510.221123] R10: 00000000000001a0 R11: 0000000000000246 R12: 00000000000001a0
[152510.223940] R13: 0000000000000000 R14: 00000000000000ad R15: 0000000000000001
[152510.226787] Code: f8 08 31 d0 41 89 c6 41 c1 fe 04 41 31 c6 41 83 e6 0f 4d 63 fe 4a 8b 14 fd 40 8f 6b c0 48 85 d2 49 89 d5 74 29 4c 89 e8 45 31 c0 <48> 3b 58 08 0f 84 45 01 00 00 41 83 c0 01 48 05 08 01 00 00 41 
[152510.234441] RIP: _symev_check_fopmap+0xb9/0x3e0 [symev_custom_4_14_35_2025_405_3_el7uek_x86_64] RSP: ffffb60f87fc3ea0    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
[152510.239353] CR2: 0000000200004e51 

Changes

Cause

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