Cisco: Kernelpanik forårsaget af RCU-stop under adgang til flash-filsystem
Summary: Et MDS Supervisor-4-modul nulstilles uden varsel.
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Not all product versions are identified in this article.
Symptoms
Et MDS Supervisor-4-modul nulstilles under adgang til et flash-filsystem.
Den show system reset-reason Viser årsagen som en kernepanik:
Reason: Kernel Panic
Ikonet show system internal kenel nvram-messages previous Kommandoen har følgende meddelelser: 1.En advarsel for "d_shrink_del" 2. Signaturlinjen "rcu_sched selvregistreret stall" og værdien "t=" er 2100 eller derover (CPU-nummeret og PID er ikke relevante)
[850772.912879 <3>] WARNING: CPU: 3 PID: 11665 at ... d_shrink_del+0x30/0x73()
...
[850793.913314 <3>] INFO: rcu_sched self-detected stall on CPU { 3} (t=2101 jiffies g=12138660 c=12138659 q=39875)
...
[850793.917818 <3>] Kernel panic - not syncing: RCU self stall taking too long
Cause
Cisco-fejl CSCwj03301
Dette problem gælder muligvis kun for Cisco MDS NX-OS-udgivelser, der er tidligere end version 9.4(1).
Dette problem gælder muligvis kun for Cisco MDS Supervisor-4-platforme.
Resolution
Lave:
Opgrader til NX-OS-kode 9.4.1 eller højere
Affected Products
Connectrix MDS-Series, Connectrix MDS-9706, Connectrix MDS-9706-V2, Connectrix MDS-9710, Connectrix MDS-9710-V2, Connectrix MDS-9718, Connectrix MDS-9718-V3, Connectrix MDS-Series Firmware 8.X, Connectrix MDS-Series Firmware 9.XArticle Properties
Article Number: 000222207
Article Type: Solution
Last Modified: 20 Feb 2024
Version: 1
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