1.安装驱动前,请先确认卡正确安装,如是270-F4卡,需使用包装附带的电源转接线主动供电;
$ lspci | grep cabc 01:00.0 Processing accelerators: Device cabc:0270
2.然后检测PCIE资源是否正确分配;
$ lspci -d:270 -vvv 01:00.0 Processing accelerators: Device cabc:0270 Subsystem: Device cabc:0018 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 126 Region 0: Memory at 4020000000 (64-bit, prefetchable) [size=256M] Region 2: Memory at 4070000000 (64-bit, prefetchable) [size=64M] Region 4: Memory at 4074000000 (64-bit, prefetchable) [size=64M] Capabilities: <access denied> Kernel driver in use: cambricon-pci-drv Kernel modules: cambricon_drv
3.如果始终看不到卡在位,请检查电源供电功率,以及bios设置中的4G decoding选项是否打开
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