errors when initializing BAR 0
[root@sdlx008 ~]# lspci -vv -s 5:0 05:00.0 Bridge: CERN/ECP/EDU Device c570 (rev 01) Subsystem: CERN/ECP/EDU Device beef Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- SERR- <PERR+ INTx- Interrupt: pin A routed to IRQ 0 Region 0: Memory at f4000000 (32-bit, non-prefetchable) [disabled] [size=8K] Region 1: Memory at f4002000 (32-bit, non-prefetchable) [disabled] [size=4K] Region 2: Memory at f0000000 (32-bit, non-prefetchable) [disabled] [size=64M] Expansion ROM at [disabled by cmd] Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit- Address: 00000000 Data: 0000
[root@sdlx008 ~]# dmesg | grep 5:0
pci 0000:05:00.0: reg 10: [mem 0x00000000-0x00001fff]
pci 0000:05:00.0: reg 14: [mem 0x00000000-0x00000fff]
pci 0000:05:00.0: reg 18: [mem 0x00000000-0x03ffffff]
pci 0000:05:00.0: BAR 2: assigned [mem 0xf0000000-0xf3ffffff]
pci 0000:05:00.0: BAR 2: set to [mem 0xf0000000-0xf3ffffff] (PCI address [0xf0000000-0xf3ffffff]
pci 0000:05:00.0: BAR 0: assigned [mem 0xf4000000-0xf4001fff]
pci 0000:05:00.0: BAR 0: error updating (0xf4000000 != 0xffffffff)
pci 0000:05:00.0: BAR 0: set to [mem 0xf4000000-0xf4001fff] (PCI address [0xf4000000-0xf4001fff]
pci 0000:05:00.0: BAR 1: assigned [mem 0xf4002000-0xf4002fff]
pci 0000:05:00.0: BAR 1: set to [mem 0xf4002000-0xf4002fff] (PCI address [0xf4002000-0xf4002fff]