Simultaneous migrate_pages() system call trigger panic trigger: unable to handle kernel paging request on queue_pages_range()
Issue
-
Simultaneous hugepage migration via
migrate_pages()system call triggers panic:BUG: unable to handle kernel paging request at ffffea0003fbf000 IP: [<ffffffff811be335>] queue_pages_range+0x5b5/0x710 PGD 47ffd5067 PUD 47ffd4067 PMD 0 Oops: 0000 [#1] SMP -----8<------ Call Trace: [<ffffffff811be509>] migrate_to_node+0x79/0xe0 [<ffffffff811be808>] do_migrate_pages+0x268/0x2d0 [<ffffffff811beb77>] SYSC_migrate_pages+0x307/0x340 [<ffffffff811bebce>] SyS_migrate_pages+0xe/0x10 [<ffffffff81655fc9>] system_call_fastpath+0x16/0x1b
Environment
- Red Hat Enterprise Linux (RHEL) 7.3
- Red Hat Enterprise Linux (RHEL) 7.4
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