The kernel crashes with a message, "kernel BUG at mm/huge_memory.c:2227!"
Issue
- The kernel crashes with a message, "kernel BUG at mm/huge_memory.c:2227!"
[77469.406581] ------------[ cut here ]------------
[77469.406584] kernel BUG at mm/huge_memory.c:2227!
[77469.406693] invalid opcode: 0000 [#1] SMP PTI
[77469.406777] CPU: 0 PID: 2374 Comm: splunkd Kdump: loaded Not tainted 4.18.0-425.10.1.el8_7.x86_64 #1
[77469.406943] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[77469.407133] RIP: 0010:__split_huge_pmd_locked+0x74c/0xb90
[77469.407242] Code: 18 ff ff ff 40 f6 c7 01 75 11 48 f7 d0 48 21 c8 48 25 00 f0 ff ff e9 6e ff ff ff 48 21 c8 48 23 3d 89 12 a8 01 e9 5f ff ff ff <0f> 0b 48 8b 07 48 c1 e8 33 83 e0 07 83 f8 04 0f 85 80 fa ff ff 48
[77469.407597] RSP: 0018:ffffb4b8077dbbb8 EFLAGS: 00010202
[77469.407695] RAX: 0000000107dd9000 RBX: 00007f1427800000 RCX: 8000000212600827
[77469.407824] RDX: ffff93e447dd9000 RSI: 0000000107dd9067 RDI: 0000000000000000
[77469.407953] RBP: ffff93e4601ef9f8 R08: ffff93e340000000 R09: 0000000000000080
[77469.408081] R10: 000fffffffe00000 R11: 0000000000000001 R12: 0000000000000001
[77469.408210] R13: ffffd73408498000 R14: 0000000000000000 R15: 0000000000000000
[77469.408338] FS: 00007f14285ff700(0000) GS:ffff93eb5fc00000(0000) knlGS:0000000000000000
[77469.408484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[77469.408590] CR2: 00007f14325f6020 CR3: 000000012c9e4004 CR4: 00000000001706f0
[77469.408745] Call Trace:
[77469.408821] __split_huge_pmd+0x1a9/0x2a0
[77469.408902] unmap_page_range+0x419/0xdc0
[77469.408989] zap_page_range+0xe9/0x170
[77469.409065] ? down_read+0xe/0xa0
[77469.409136] ? find_vma+0x16/0x70
[77469.409205] do_madvise.part.25+0x637/0x9b0
[77469.409293] ? __x64_sys_madvise+0x26/0x30
[77469.409373] __x64_sys_madvise+0x26/0x30
[77469.409466] do_syscall_64+0x5b/0x1b0
[77469.409543] entry_SYSCALL_64_after_hwframe+0x61/0xc6
[77469.409641] RIP: 0033:0x7f14368728db
[77469.409711] Code: 64 89 02 b8 ff ff ff ff c3 48 8b 15 a7 75 2c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 0f 1f 00 f3 0f 1e fa b8 1c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 75 2c 00 f7 d8 64 89 01 48
[77469.410038] RSP: 002b:00007f14285fd388 EFLAGS: 00000206 ORIG_RAX: 000000000000001c
[77469.410176] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f14368728db
[77469.410305] RDX: 0000000000000004 RSI: 000000000000a000 RDI: 00007f142799c000
[77469.410433] RBP: 000000000000018f R08: 0000000000000006 R09: 000000000019c000
[77469.410562] R10: 00007f1437f4e7a0 R11: 0000000000000206 R12: 000000000000000d
[77469.410690] R13: 00007f1427800000 R14: 000000000000019c R15: 00007f142780a5c8
[77469.410825] Modules linked in: [...]
Environment
- Red Hat Enterprise Linux 8.7.z - kernel-4.18.0-425.10.1.el8_7.x86_64
- VMware ESXi
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