思科:在存取快閃式記憶體檔案系統時,RCU 停止造成核心錯誤
Summary: MDS Supervisor-4 模組重設而不發出警告。
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Symptoms
MDS Supervisor-4 模組在存取快閃式記憶體檔案系統時重設。
的 show system reset-reason 將原因顯示為核心錯誤:
Reason: Kernel Panic
可使用 show system internal kenel nvram-messages previous 命令包含以下訊息:1. “d_shrink_del”警告 2.rcu_sched自我偵測到的停滯」類型的簽名行和「t=」值為 2100 或更大 (CPU 編號和 PID 無關)
[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 錯誤 CSCwj03301
此問題可能僅適用於版本 9.4(1) 之前的 Cisco MDS NX-OS 版本。
此問題可能僅適用於 Cisco MDS Supervisor-4 平台。
Resolution
修正:
升級至 NX-OS 程式碼 9.4.1 或更高版本
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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