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在虚拟环境中启动时出现 "bridge window [io size 0x1000]: can't assign; no space" and "bridge window [io size 0x1000]: failed to assign" 警告

Solution In Progress - Updated -

Issue

  • 在运行在如 VMware 等虚拟化平台上的客户机操作系统的引导过程中,特定 PCI 地址的多个警告消息被记录到内核日志中(dmesgjournalctl -k):
kernel: pci 0000:00:16.4: bridge window [io  size 0x1000]: can't assign; no space
kernel: pci 0000:00:16.4: bridge window [io  size 0x1000]: failed to assign

Environment

  • Red Hat Enterprise Linux 9
  • 一个运行在虚拟化平台上的虚拟机(如 VMware
  • 一个配置,其中虚拟 PCI Express Root Ports 没有连接任何端点设备

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