"pci 0000:ff:12.0: BAR 1: error updating (0xfbffd100 != 0x001100)" or similar error is reported by kernel PCI core
Issue
The following messages are observed in the kernel log:
[ 0.837371] pci 0000:ff:12.0: BAR 2: assigned [mem 0xfbffd000-0xfbffd03f]
[ 0.837375] pci 0000:ff:12.0: BAR 4: assigned [mem 0xfbffd040-0xfbffd07f]
[ 0.837378] pci 0000:ff:12.4: BAR 2: assigned [mem 0xfbffd080-0xfbffd0bf]
[ 0.837382] pci 0000:ff:12.4: BAR 4: assigned [mem 0xfbffd0c0-0xfbffd0ff]
[ 0.837385] pci 0000:ff:12.0: BAR 1: assigned [mem 0xfbffd100-0xfbffd10f]
[ 0.837388] pci 0000:ff:12.0: BAR 1: error updating (0xfbffd100 != 0x001100)
[ 0.837393] pci 0000:ff:12.0: BAR 3: assigned [mem 0xfbffd110-0xfbffd11f]
[ 0.837396] pci 0000:ff:12.0: BAR 3: error updating (0xfbffd110 != 0x001110)
[ 0.837400] pci 0000:ff:12.0: BAR 5: assigned [mem 0xfbffd120-0xfbffd12f]
[ 0.837402] pci 0000:ff:12.0: BAR 5: error updating (0xfbffd120 != 0x001120)
[ 0.837406] pci 0000:ff:12.4: BAR 1: assigned [mem 0xfbffd130-0xfbffd13f]
[ 0.837409] pci 0000:ff:12.4: BAR 1: error updating (0xfbffd130 != 0x001130)
[ 0.837412] pci 0000:ff:12.4: BAR 3: assigned [mem 0xfbffd140-0xfbffd14f]
[ 0.837415] pci 0000:ff:12.4: BAR 3: error updating (0xfbffd140 != 0x001140)
[ 0.837419] pci 0000:ff:12.4: BAR 5: assigned [mem 0xfbffd150-0xfbffd15f]
[ 0.837421] pci 0000:ff:12.4: BAR 5: error updating (0xfbffd150 != 0x001150)
Environment
- Red Hat Enterprise Linux 7.2 and older
- Intel Xeon E5 v4 CPU series with Home Agent
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