[    0.032720] ACPI: Added _OSI(Linux-Dell-Video)
[    0.032720] ACPI Exception: AE_BAD_PARAMETER, Could not install PciConfig handler for Root Bridge PCI0 (20170831/evrgnini-245)

.....

[    4.327677] ata5: SATA   down (SStatus 4 SControl 300)
[    4.327768] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20170831/psargs-364)
[    4.327774] No Local Variables are initialized for Method [_GTF]


[    4.385306] No Arguments are initialized for method [_GTF]
[    4.385307] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.PRT3._GTF, AE_NOT_FOUND (20170831/psparse-550)
[    4.385463] ata4.00: configured for UDMA/133
...

[    6.112336] IPv6: ADDRCONF(NETDEV_UP): eno1:   is not ready
[    8.930326] e1000e: eno1 NIC   is Up 1000 Mbps Full Duplex, Flow Control: None
[    8.930373] IPv6: ADDRCONF(NETDEV_CHANGE): eno1:   becomes ready
[  146.823332] cambricon_drv: loading out-of-tree module taints kernel.
[  146.824490] cambricon_drv: module verification failed: signature and/or required key missing - tainting kernel
[  146.829509] INFO: vuart: cn_log_vuart_init@569: init register status:0
[  146.829635] ERROR: [cn_pci_pre_init][475][CPU 4]: no enough MMIO space for PF bar0
[  146.829667] cambricon-pci-drv_release: probe of 0000:05:00.0 failed with error -14
[  663.720629] pcieport 0000:00:1b.4: AER: Multiple Corrected error received: id=00dc
[  663.720642] pcieport 0000:00:1b.4: PCIe Bus Error: severity=Corrected, type=Physical  , id=00dc(Receiver ID)
[  663.720652] pcieport 0000:00:1b.4:   device [8086:a2eb] error status/mask=00000081/00002000
[  663.720660] pcieport 0000:00:1b.4:    [ 0] Receiver Error         (First)
[  663.720666] pcieport 0000:00:1b.4:    [ 7] Bad DLLP              
[  686.475511] INFO: [unset_all_fw_workq][3015][CPU 5]: unset_all_fw_workq
[  686.475550] INFO: vuart: cn_log_vuart_exit@575: exit register status:0
[  743.984357] INFO: vuart: cn_log_vuart_init@569: init register status:0
[  744.002318] pci_raw_set_power_state: 12 callbacks suppressed
[  744.002324] cambricon-pci-drv_release 0000:05:00.0: Refused to change power state, currently in D3
[  744.002555] ERROR: [cn_pci_pre_init][475][CPU 2]: no enough MMIO space for PF bar0
[  744.002704] cambricon-pci-drv_release: probe of 0000:05:00.0 failed with error -14

Ubuntu 16.04（4.4.0‑112）/ Ubuntu 16.04（4.15.0‑29）报错,请问什么原因? 谢谢