PowerFlex: NMI:s vakthund: BUGG: mjuk låsning - CPU#2 har fastnat i 23 sekunder! [lia-<version>]

Summary: Servern hänger sig med en stackspårning som refererar till mjuk låsning i lia-processen.

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Symptoms

Följande stackspårning kan observeras i meddelandena eller journalctl-loggarna. 

kernel: NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [lia-3.5.0.468:374992]
kernel: CPU: 2 PID: 374992 Comm: lia-3.5.0.468 Kdump: loaded Not tainted 3.10.0-862.el7.x86_64 #1
kernel: Hardware name: Dell Inc. PowerEdge R740xd/XXXXX, BIOS 2.6.4 04/09/2020
kernel: task: ffff89805bfbeeb0 ti: ffff89803fa74000 task.ti: ffff89803fa74000
kernel: RIP: 0010:[<ffffffffaf8617bf>]  [<ffffffffaf8617bf>] fsnotify+0x19f/0x510
kernel: RSP: 0018:ffff89803fa77dc0  EFLAGS: 00000246
kernel: RAX: ffff8988557a1301 RBX: ffff89803fa77e10 RCX: 0000000000000000
kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
kernel: RBP: ffff89803fa77e90 R08: 0000000000000000 R09: 0000000000000000
kernel: R10: 0000000000000000 R11: 0000000000000000 R12: ffff8980595692f0
kernel: R13: ffff89805a607400 R14: ffff890000000026 R15: ffff89805a607400
kernel: FS:  00007fcb6c130700(0000) GS:ffff89805ca40000(0000) knlGS:0000000000000000
kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 00007fcb6c12bff0 CR3: 0000000ff4fb6000 CR4: 00000000007607e0
kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kernel: PKRU: 55555554
kernel: Call Trace:
kernel: [<ffffffffaf8769f3>] ? vfs_lock_file+0x53/0x60
kernel: [<ffffffffaf81cf41>] __fput+0xa1/0x260
kernel: [<ffffffffaf81d1ee>] ____fput+0xe/0x10
kernel: [<ffffffffaf6b784b>] task_work_run+0xbb/0xe0
kernel: [<ffffffffaf62ac55>] do_notify_resume+0xa5/0xc0
kernel: [<ffffffffafd1fb1d>] int_signal+0x12/0x17
 

Cause

De flera mjuka låsningarna på grund av fsnotify()-funktionsanropet som är operativsystemsfunktionen.

Resolution

Detta är inte en Powerflex-bugg utan en kärnbugg i operativsystemet.
Kontakta OS-leverantören för att ytterligare undersöka problemet med fsnotify()-funktionsanropet.

Additional Information

Kunden kan referera till följande artikel där en av de få kända buggarna med fsnotify() diskuteras.

https://bugs.centos.org/view.php?id=14823https://access.redhat.com/solutions/3441101

Affected Products

ScaleIO, PowerFlex Software

Products

PowerFlex rack, VxFlex Product Family, VxFlex Ready Node
Article Properties
Article Number: 000203926
Article Type: Solution
Last Modified: 17 Nov 2025
Version:  2
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