I saw the same issue and downgraded my kernel back to RHEL kernel 3.10.0-957.
But you probably wants to keep 7.7 kernel ? :) De : lustre-discuss <[email protected]> au nom de Tamas Kazinczy <[email protected]> Organisation : Governmental Agency for IT Development Date : mardi 10 septembre 2019 à 14:39 À : "[email protected]" <[email protected]> Objet : [lustre-discuss] CPU soft lockup on mkfs.lustre Hi, I've successfully compiled Lustre after the 'LU-12457 kernel: RHEL 7.7 server support' change but when I try to create an MGS with LDISKFS backend on RHEL 7.7 I get CPU soft lockup: kernel:NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [mkfs.lustre:31220] Looked into logs for more details: Sep 6 10:41:00 mgs1 kernel: Call Trace: Sep 6 10:41:00 mgs1 kernel: [<ffffffff9bd73365>] queued_spin_lock_slowpath+0xb/0xf Sep 6 10:41:00 mgs1 kernel: [<ffffffff9bd81ad0>] _raw_spin_lock+0x20/0x30 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b865e2e>] igrab+0x1e/0x60 Sep 6 10:41:00 mgs1 kernel: [<ffffffffc06bd88b>] ldiskfs_quota_off+0x3b/0x130 [ldiskfs] Sep 6 10:41:00 mgs1 kernel: [<ffffffffc06c091d>] ldiskfs_put_super+0x4d/0x400 [ldiskfs] Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84b13d>] generic_shutdown_super+0x6d/0x100 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84b5b7>] kill_block_super+0x27/0x70 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84b91e>] deactivate_locked_super+0x4e/0x70 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84c0a6>] deactivate_super+0x46/0x60 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b86abff>] cleanup_mnt+0x3f/0x80 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b86ac92>] __cleanup_mnt+0x12/0x20 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b6c1c0b>] task_work_run+0xbb/0xe0 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b62cc65>] do_notify_resume+0xa5/0xc0 Sep 6 10:41:00 mgs1 kernel: [<ffffffff9bd8c23b>] int_signal+0x12/0x17 Sep 6 10:41:00 mgs1 kernel: Code: 47 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 66 90 b9 01 00 00 00 8b 17 85 d2 74 0d 83 fa 03 74 08 f3 90 <8b> 17 85 d2 75 f3 89 d0 f0 0f b1 0f 39 c2 75 e3 5d 66 90 c3 0f Has anyone else also experienced this issue? Is there a way to make this work? Thanks, -- Tamás Kazinczy
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