<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>热迁移 on 文叨叨 | IaaS 排障手记</title><link>/tags/%E7%83%AD%E8%BF%81%E7%A7%BB/</link><description>Recent content in 热迁移 on 文叨叨 | IaaS 排障手记</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Sat, 06 Jun 2026 10:00:00 +0800</lastBuildDate><atom:link href="/tags/%E7%83%AD%E8%BF%81%E7%A7%BB/index.xml" rel="self" type="application/rss+xml"/><item><title>热迁移后虚拟机卡死：CPU 100% 的时间中断死循环</title><link>/posts/migrate-vm-hang-cpu-100/</link><pubDate>Sat, 06 Jun 2026 10:00:00 +0800</pubDate><guid>/posts/migrate-vm-hang-cpu-100/</guid><description>从 Ubuntu 20 宿主机迁移到 Ubuntu 22 宿主机后，虚拟机卡死、CPU 占用 100%。用 crash 和 perf 定位到时间中断处理死循环，根因是热迁移过程中的时间处理问题。</description></item></channel></rss>