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projectacrn / acrn-hypervisor

Project ACRN hypervisor
BSD 3-Clause "New" or "Revised" License
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False alarm for the warning message on "PCI:00:02.0 BAR2" #6458

Closed NanlinXie closed 2 years ago

NanlinXie commented 3 years ago

After switch to ACRN 2.5 the HV shows different warning messages especially suspicios are "out of mmio windows" messages: [17214777us][cpu=0][(null)][sev=3][seq=31]:pci_vdev_update_vbar_base reprogram PCI:00:1f.5 BAR0 to addr:0xfe010000, which is out of mmio window[0x3f800000 - 0xc0000000] or not aligned with size: 00 [42532388us][cpu=1][vm1:vcpu1][sev=3][seq=711]:pci_vdev_update_vbar_base reprogram PCI:00:1f.5 BAR0 to addr:0xfe010000, which is out of mmio window[0x3f800000 - 0xc0000000] or not aligned with siz0 [53407489us][cpu=0][vm1:vcpu0][sev=3][seq=728]:pci_vdev_update_vbar_base reprogram PCI:00:02.0 BAR2 to addr:0x10000000, which is out of mmio window[0x80000000 - 0xe0000000] or not aligned with siz0 (log attached)

NanlinXie commented 3 years ago

[External_System_ID] ACRN-7295