现象：
公司一台Linux设备的U口突然出现故障，原来共16路USB端口都是正常的，出问题后只有7个正常，其余均不能使用。而且每次可用与不可用的数量不变，总是7个可用、9个不可用，但是具体的口并不固定，比如这一次键盘插入的U口不可用，重启后可能这个端口就好了，键盘可用了，但其它上一次好的端口本次又不行了。
日志：通过dmesg或者/var/log/kern.log中的log进行截取日志，发现有以下错误：
……
[ ? ?4.697293] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ ? ?4.703480] ehci-pci: EHCI PCI platform driver [ ? ?4.709968] ehci-pci 0000:00:1d.0: EHCI Host Controller [ ? ?4.716126] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 1 [ ? ?4.728542] ehci-pci 0000:00:1d.0: debug port 2 [ ? ?4.738761] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported [ ? ?4.738786] ehci-pci 0000:00:1d.0: irq 23, io mem 0xd0815000 [ ? ?4.760163] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ ? ?4.766557] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ ? ?4.772823] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ ? ?4.785135] usb usb1: Product: EHCI Host Controller [ ? ?4.791382] usb usb1: Manufacturer: Linux 4.15.0-45-generic ehci_hcd [ ? ?4.797451] usb usb1: SerialNumber: 0000:00:1d.0 [ ? ?4.803740] hub 1-0:1.0: USB hub found [ ? ?4.809460] hub 1-0:1.0: 8 ports detected [ ? ?4.815378] ehci-platform: EHCI generic platform driver [ ? ?4.820638] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ ? ?4.825716] ohci-pci: OHCI PCI platform driver [ ? ?4.830649] ohci-platform: OHCI generic platform driver [ ? ?4.835392] uhci_hcd: USB Universal Host Controller Interface driver [ ? ?4.840231] xhci_hcd 0000:00:14.0: xHCI Host Controller [ ? ?4.844621] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ ? ?4.854092] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000000009810 [ ? ?4.862768] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ ? ?4.862990] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ ? ?4.867469] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ ? ?4.876393] usb usb2: Product: xHCI Host Controller [ ? ?4.880986] usb usb2: Manufacturer: Linux 4.15.0-45-generic xhci-hcd [ ? ?4.885545] usb usb2: SerialNumber: 0000:00:14.0 [ ? ?4.890595] hub 2-0:1.0: USB hub found [ ? ?4.895188] hub 2-0:1.0: 6 ports detected [ ? ?4.900587] xhci_hcd 0000:00:14.0: xHCI Host Controller [ ? ?4.904917] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 3 [ ? ?4.913713] xhci_hcd 0000:00:14.0: Host supports USB 3.0 ?SuperSpeed [ ? ?4.918423] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003 [ ? ?4.923098] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ ? ?4.932061] usb usb3: Product: xHCI Host Controller [ ? ?4.936656] usb usb3: Manufacturer: Linux 4.15.0-45-generic xhci-hcd [ ? ?4.941238] usb usb3: SerialNumber: 0000:00:14.0 [ ? ?4.946271] hub 3-0:1.0: USB hub found [ ? ?4.950975] hub 3-0:1.0: 1 port detected [ ? ?4.955991] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 [ ? ?4.965929] serio: i8042 KBD port at 0x60,0x64 irq 1 [ ? ?4.970715] serio: i8042 AUX port at 0x60,0x64 irq 12 [ ? ?4.975881] mousedev: PS/2 mouse device common for all mice [ ? ?4.981913] rtc_cmos 00:00: RTC can wake from S4 [ ? ?4.986865] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ ? ?4.991418] rtc_cmos 00:00: alarms up to one month, y3k, 242 bytes nvram [ ? ?4.995859] i2c /dev entries driver [ ? ?5.000255] pcie_mp2_amd: AMD(R) PCI-E MP2 Communication Driver Version: 1.0 [ ? ?5.004859] device-mapper: uevent: version 1.0.3 [ ? ?5.009772] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: dm-devel@redhat.com [ ? ?5.018613] intel_pstate: Intel P-state driver initializing [ ? ?5.024188] ledtrig-cpu: registered to indicate activity on CPUs [ ? ?5.030837] NET: Registered protocol family 10 [ ? ?5.046329] Segment Routing with IPv6 [ ? ?5.050622] NET: Registered protocol family 17 [ ? ?5.055271] Key type dns_resolver registered [ ? ?5.060782] RAS: Correctable Errors collector initialized. [ ? ?5.064949] microcode: sig=0x30679, pf=0x4, revision=0x90a [ ? ?5.069489] microcode: Microcode Update Driver: v2.2. [ ? ?5.069509] sched_clock: Marking stable (5069476405, 0)->(5050496504, 18979901) [ ? ?5.084297] registered taskstats version 1 [ ? ?5.088293] Loading compiled-in X.509 certificates [ ? ?5.090409] ehci-pci 0000:00:1d.0: port 1 reset error -110 [ ? ?5.102392] Loaded X.509 cert 'Build time autogenerated kernel key: e3b8f44ffaaceef3e3a84cfaebd8e5a9acebeaad' [ ? ?5.110270] zswap: loaded using pool lzo/zbud [ ? ?5.123313] Key type big_key registered [ ? ?5.127102] Key type trusted registered [ ? ?5.135240] Key type encrypted registered [ ? ?5.138888] AppArmor: AppArmor sha1 policy hashing enabled [ ? ?5.142557] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ ? ?5.146284] ima: Allocated hash algorithm: sha1 [ ? ?5.150007] evm: HMAC attrs: 0x1 [ ? ?5.154169] ? Magic number: 2:904:478 [ ? ?5.157755] rtc rtc0: hash matches [ ? ?5.161610] rtc_cmos 00:00: setting system clock to 2022-04-11 11:27:12 UTC (1649676432) [ ? ?5.169081] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ ? ?5.172743] EDD information not available. [ ? ?5.193999] Freeing unused kernel memory: 2408K [ ? ?5.208165] Write protecting the kernel read-only data: 20480k [ ? ?5.214302] Freeing unused kernel memory: 2008K [ ? ?5.227270] Freeing unused kernel memory: 1892K [ ? ?5.236181] usb 2-1: new low-speed USB device number 2 using xhci_hcd [ ? ?5.246871] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ ? ?5.250591] x86/mm: Checking user space page tables [ ? ?5.269923] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ ? ?5.394343] usb 2-1: New USB device found, idVendor=046d, idProduct=c31c [ ? ?5.398126] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?5.401879] usb 2-1: Product: USB Keyboard [ ? ?5.405668] usb 2-1: Manufacturer: Logitech [ ? ?5.420020] hidraw: raw HID events driver (C) Jiri Kosina [ ? ?5.433853] usbcore: registered new interface driver usbhid [ ? ?5.437548] usbhid: USB HID core driver [ ? ?5.448781] input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/0003:046D:C31C.0001/input/input5 [ ? ?5.463864] ahci 0000:00:13.0: version 3.0 [ ? ?5.469046] ahci 0000:00:13.0: controller can't do DEVSLP, turning off [ ? ?5.483941] ahci 0000:00:13.0: AHCI 0001.0300 32 slots 2 ports 3 Gbps 0x1 impl SATA mode [ ? ?5.491568] ahci 0000:00:13.0: flags: 64bit ncq pm led clo pio slum part deso [ ? ?5.500943] scsi host0: ahci [ ? ?5.509317] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ ? ?5.513766] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control [ ? ?5.522253] scsi host1: ahci [ ? ?5.526578] hid-generic 0003:046D:C31C.0001: input,hidraw0: USB HID v1.10 Keyboard [Logitech USB Keyboard] on usb-0000:00:14.0-1/input0 [ ? ?5.526596] ata1: SATA max UDMA/133 abar m2048@0xd0816000 port 0xd0816100 irq 88 [ ? ?5.526598] ata2: DUMMY [ ? ?5.527421] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0x ? ? ? ?(ptrval), 68:ed:a4:39:70:79, XID 0c900800 IRQ 89 [ ? ?5.527424] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ ? ?5.527473] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ ? ?5.527482] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control [ ? ?5.528124] r8169 0000:03:00.0 eth1: RTL8168evl/8111evl at 0x ? ? ? ?(ptrval), 68:ed:a4:39:70:7a, XID 0c900800 IRQ 90 [ ? ?5.528127] r8169 0000:03:00.0 eth1: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ ? ?5.543595] usb 2-3: new high-speed USB device number 3 using xhci_hcd [ ? ?5.605559] input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.1/0003:046D:C31C.0002/input/input7 [ ? ?5.647224] [drm] Memory usable by graphics device = 2048M [ ? ?5.652589] checking generic (a0000 10000) vs hw (c0000000 10000000) [ ? ?5.652591] fb: switching to inteldrmfb from EFI VGA [ ? ?5.657879] r8169 0000:02:00.0 enp2s0: renamed from eth0 [ ? ?5.662960] Console: switching to colour dummy device 80x25 [ ? ?5.663203] [drm] Replacing VGA console driver [ ? ?5.663642] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ ? ?5.663649] [drm] Driver supports precise vblank timestamp query. [ ? ?5.665635] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ ? ?5.676152] hid-generic 0003:046D:C31C.0002: input,hidraw1: USB HID v1.10 Device [Logitech USB Keyboard] on usb-0000:00:14.0-1/input1 [ ? ?5.696446] r8169 0000:03:00.0 enp3s0: renamed from eth1 [ ? ?5.709320] usb 2-3: New USB device found, idVendor=05e3, idProduct=0608 [ ? ?5.709332] usb 2-3: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ ? ?5.709338] usb 2-3: Product: USB2.0 Hub [ ? ?5.709915] hub 2-3:1.0: USB hub found [ ? ?5.710235] hub 2-3:1.0: 4 ports detected [ ? ?5.744152] [drm] failed to retrieve link info, disabling eDP [ ? ?5.757938] [drm] Initialized i915 1.6.0 20171023 for 0000:00:02.0 on minor 0 [ ? ?5.760117] ACPI: Video Device [GFX0] (multi-head: yes ?rom: no ?post: no) [ ? ?5.760503] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8 [ ? ?5.821544] i915 0000:00:02.0: HDMI-A-1: EDID is invalid: [ ? ?5.821557] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821563] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821568] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821573] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821578] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821584] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821589] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.821594] ?[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ ? ?5.840169] usb 2-4: new high-speed USB device number 4 using xhci_hcd [ ? ?5.851058] random: fast init done [ ? ?5.865183] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ ? ?5.866161] ata1.00: ATA-9: W30S33-128GMP, RHY22A, max UDMA/133 [ ? ?5.866171] ata1.00: 250069680 sectors, multi 2: LBA48 NCQ (depth 31/32), AA [ ? ?5.867039] ata1.00: configured for UDMA/133 [ ? ?5.867697] scsi 0:0:0:0: Direct-Access ? ? ATA ? ? ?W30S33-128GMP ? ?2A ? PQ: 0 ANSI: 5 [ ? ?5.868163] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ ? ?5.868207] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ ? ?5.868222] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ ? ?5.868311] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ ? ?5.868606] sd 0:0:0:0: [sda] 250069680 512-byte logical blocks: (128 GB/119 GiB) [ ? ?5.868701] sd 0:0:0:0: [sda] Write Protect is off [ ? ?5.868710] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ ? ?5.869049] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ ? ?5.871343] ?sda: sda1 sda2 sda3 [ ? ?5.872333] sd 0:0:0:0: [sda] Attached SCSI disk [ ? ?5.990511] usb 2-4: New USB device found, idVendor=05e3, idProduct=0608 [ ? ?5.990523] usb 2-4: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ ? ?5.990530] usb 2-4: Product: USB2.0 Hub [ ? ?5.991585] hub 2-4:1.0: USB hub found [ ? ?5.991978] hub 2-4:1.0: 4 ports detected [ ? ?6.280158] usb 2-4.2: new full-speed USB device number 5 using xhci_hcd [ ? ?6.382121] usb 2-4.2: New USB device found, idVendor=1bc0, idProduct=0055 [ ? ?6.382130] usb 2-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?6.382138] usb 2-4.2: Product: Elite5 3.X [ ? ?6.382144] usb 2-4.2: Manufacturer: Senseshield [ ? ?6.386014] hid-generic 0003:1BC0:0055.0003: hiddev0,hidraw2: USB HID v1.10 Device [Senseshield Elite5 3.X] on usb-0000:00:14.0-4.2/input0 [ ? ?6.433468] fbcon: inteldrmfb (fb0) is primary device [ ? ?6.463430] Console: switching to colour frame buffer device 128x48 [ ? ?6.464171] usb 2-4.4: new high-speed USB device number 6 using xhci_hcd [ ? ?6.484856] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ ? ?6.573265] usb 2-4.4: New USB device found, idVendor=0bda, idProduct=5411 [ ? ?6.573268] usb 2-4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?6.573271] usb 2-4.4: Product: 4-Port USB 2.1 Hub [ ? ?6.573273] usb 2-4.4: Manufacturer: Generic [ ? ?6.574222] hub 2-4.4:1.0: USB hub found [ ? ?6.574802] hub 2-4.4:1.0: 4 ports detected [ ? ?6.860155] usb 2-4.4.1: new high-speed USB device number 7 using xhci_hcd [ ? ?6.973192] usb 2-4.4.1: New USB device found, idVendor=0bda, idProduct=5411 [ ? ?6.973268] usb 2-4.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?6.973334] usb 2-4.4.1: Product: 4-Port USB 2.1 Hub [ ? ?6.973379] usb 2-4.4.1: Manufacturer: Generic [ ? ?6.974358] hub 2-4.4.1:1.0: USB hub found [ ? ?6.976071] hub 2-4.4.1:1.0: 4 ports detected [ ? ?7.056167] usb 2-4.4.2: new high-speed USB device number 8 using xhci_hcd [ ? ?7.196247] raid6: sse2x1 ? gen() ?2846 MB/s [ ? ?7.244234] raid6: sse2x1 ? xor() ?2371 MB/s [ ? ?7.292239] raid6: sse2x2 ? gen() ?3372 MB/s [ ? ?7.340233] raid6: sse2x2 ? xor() ?2815 MB/s [ ? ?7.388242] raid6: sse2x4 ? gen() ?4810 MB/s [ ? ?7.436233] raid6: sse2x4 ? xor() ?2450 MB/s [ ? ?7.437851] raid6: using algorithm sse2x4 gen() 4810 MB/s [ ? ?7.439498] raid6: .... xor() 2450 MB/s, rmw enabled [ ? ?7.441174] raid6: using ssse3x2 recovery algorithm [ ? ?7.446174] xor: measuring software checksum speed [ ? ?7.451320] usb 2-4.4.2: New USB device found, idVendor=0bda, idProduct=5411 [ ? ?7.452996] usb 2-4.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?7.454654] usb 2-4.4.2: Product: 4-Port USB 2.1 Hub [ ? ?7.456306] usb 2-4.4.2: Manufacturer: Generic [ ? ?7.458810] hub 2-4.4.2:1.0: USB hub found [ ? ?7.461046] hub 2-4.4.2:1.0: 4 ports detected [ ? ?7.484219] ? ?prefetch64-sse: ?7241.000 MB/sec [ ? ?7.524220] ? ?generic_sse: ?6648.000 MB/sec [ ? ?7.525791] xor: using function: prefetch64-sse (7241.000 MB/sec) [ ? ?7.531012] async_tx: api initialized (async) [ ? ?7.584032] usb 2-4.4.1.1: new high-speed USB device number 9 using xhci_hcd [ ? ?7.643996] Btrfs loaded, crc32c=crc32c-intel [ ? ?7.685385] usb 2-4.4.1.1: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?7.687134] usb 2-4.4.1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?7.688905] usb 2-4.4.1.1: Product: 802.11ac WLAN Adapter [ ? ?7.690630] usb 2-4.4.1.1: Manufacturer: Realtek [ ? ?7.692318] usb 2-4.4.1.1: SerialNumber: 00e04c000001 [ ? ?7.764029] usb 2-4.4.3: new high-speed USB device number 10 using xhci_hcd [ ? ?7.872590] usb 2-4.4.3: New USB device found, idVendor=0bda, idProduct=5411 [ ? ?7.874350] usb 2-4.4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?7.876144] usb 2-4.4.3: Product: 4-Port USB 2.1 Hub [ ? ?7.877901] usb 2-4.4.3: Manufacturer: Generic [ ? ?7.880526] hub 2-4.4.3:1.0: USB hub found [ ? ?7.882859] hub 2-4.4.3:1.0: 4 ports detected [ ? ?7.944293] usb 2-4.4.2.1: new high-speed USB device number 11 using xhci_hcd [ ? ?8.044881] usb 2-4.4.2.1: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?8.046423] usb 2-4.4.2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?8.047961] usb 2-4.4.2.1: Product: 802.11ac WLAN Adapter [ ? ?8.049490] usb 2-4.4.2.1: Manufacturer: Realtek [ ? ?8.051005] usb 2-4.4.2.1: SerialNumber: 00e04c000001 [ ? ?8.124170] usb 2-4.4.1.2: new high-speed USB device number 12 using xhci_hcd [ ? ?8.225163] usb 2-4.4.1.2: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?8.226770] usb 2-4.4.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?8.228372] usb 2-4.4.1.2: Product: 802.11ac WLAN Adapter [ ? ?8.229956] usb 2-4.4.1.2: Manufacturer: Realtek [ ? ?8.231523] usb 2-4.4.1.2: SerialNumber: 00e04c000001 [ ? ?8.304026] usb 2-4.4.4: new high-speed USB device number 13 using xhci_hcd [ ? ?8.412390] usb 2-4.4.4: New USB device found, idVendor=0bda, idProduct=5411 [ ? ?8.413908] usb 2-4.4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ ? ?8.415399] usb 2-4.4.4: Product: 4-Port USB 2.1 Hub [ ? ?8.416858] usb 2-4.4.4: Manufacturer: Generic [ ? ?8.419382] hub 2-4.4.4:1.0: USB hub found [ ? ?8.421499] hub 2-4.4.4:1.0: 4 ports detected [ ? ?8.484371] usb 2-4.4.2.2: new high-speed USB device number 14 using xhci_hcd [ ? ?8.584951] usb 2-4.4.2.2: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?8.586383] usb 2-4.4.2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?8.587823] usb 2-4.4.2.2: Product: 802.11ac WLAN Adapter [ ? ?8.589250] usb 2-4.4.2.2: Manufacturer: Realtek [ ? ?8.590638] usb 2-4.4.2.2: SerialNumber: 00e04c000001 [ ? ?8.664180] usb 2-4.4.3.1: new high-speed USB device number 15 using xhci_hcd [ ? ?8.765588] usb 2-4.4.3.1: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?8.766980] usb 2-4.4.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?8.768379] usb 2-4.4.3.1: Product: 802.11ac WLAN Adapter [ ? ?8.769754] usb 2-4.4.3.1: Manufacturer: Realtek [ ? ?8.771122] usb 2-4.4.3.1: SerialNumber: 00e04c000001 [ ? ?8.848171] usb 2-4.4.1.3: new high-speed USB device number 16 using xhci_hcd [ ? ?8.949528] usb 2-4.4.1.3: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?8.950954] usb 2-4.4.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?8.952417] usb 2-4.4.1.3: Product: 802.11ac WLAN Adapter [ ? ?8.953883] usb 2-4.4.1.3: Manufacturer: Realtek [ ? ?8.955359] usb 2-4.4.1.3: SerialNumber: 00e04c000001 [ ? ?9.028286] usb 2-4.4.2.3: new high-speed USB device number 17 using xhci_hcd [ ? ?9.129008] usb 2-4.4.2.3: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?9.130617] usb 2-4.4.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?9.132201] usb 2-4.4.2.3: Product: 802.11ac WLAN Adapter [ ? ?9.133745] usb 2-4.4.2.3: Manufacturer: Realtek [ ? ?9.135301] usb 2-4.4.2.3: SerialNumber: 00e04c000001 [ ? ?9.208170] usb 2-4.4.4.1: new high-speed USB device number 18 using xhci_hcd [ ? ?9.310213] usb 2-4.4.4.1: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?9.311887] usb 2-4.4.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?9.313595] usb 2-4.4.4.1: Product: 802.11ac WLAN Adapter [ ? ?9.315265] usb 2-4.4.4.1: Manufacturer: Realtek [ ? ?9.316927] usb 2-4.4.4.1: SerialNumber: 00e04c000001 [ ? ?9.319657] usb 2-4.4.4.1: Not enough host controller resources for new device state. [ ? ?9.321483] usb 2-4.4.4.1: can't set config #1, error -12 [ ? ?9.388170] usb 2-4.4.3.2: new high-speed USB device number 19 using xhci_hcd [ ? ?9.466180] EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support! [ ? ?9.471411] EXT4-fs (sda1): mounted filesystem with journalled data mode. Opts: data=journal [ ? ?9.497592] usb 2-4.4.3.2: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?9.499428] usb 2-4.4.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?9.501317] usb 2-4.4.3.2: Product: 802.11ac WLAN Adapter [ ? ?9.503188] usb 2-4.4.3.2: Manufacturer: Realtek [ ? ?9.505033] usb 2-4.4.3.2: SerialNumber: 00e04c000001 [ ? ?9.507672] usb 2-4.4.3.2: Not enough host controller resources for new device state. [ ? ?9.509648] usb 2-4.4.3.2: can't set config #1, error -12 [ ? ?9.576336] usb 2-4.4.1.4: new high-speed USB device number 20 using xhci_hcd [ ? ?9.681524] usb 2-4.4.1.4: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?9.683455] usb 2-4.4.1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?9.685383] usb 2-4.4.1.4: Product: 802.11ac WLAN Adapter [ ? ?9.687307] usb 2-4.4.1.4: Manufacturer: Realtek [ ? ?9.689232] usb 2-4.4.1.4: SerialNumber: 00e04c000001 [ ? ?9.691926] usb 2-4.4.1.4: Not enough host controller resources for new device state. [ ? ?9.693912] usb 2-4.4.1.4: can't set config #1, error -12 [ ? ?9.760420] usb 2-4.4.2.4: new high-speed USB device number 21 using xhci_hcd [ ? ?9.801194] ip_tables: (C) 2000-2006 Netfilter Core Team [ ? ?9.819979] systemd[1]: systemd 237 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid) [ ? ?9.845338] systemd[1]: Detected architecture x86-64. [ ? ?9.861158] usb 2-4.4.2.4: New USB device found, idVendor=0bda, idProduct=0811 [ ? ?9.861161] usb 2-4.4.2.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? ?9.861163] usb 2-4.4.2.4: Product: 802.11ac WLAN Adapter [ ? ?9.861165] usb 2-4.4.2.4: Manufacturer: Realtek [ ? ?9.861167] usb 2-4.4.2.4: SerialNumber: 00e04c000001 [ ? ?9.861768] usb 2-4.4.2.4: Not enough host controller resources for new device state. [ ? ?9.861813] usb 2-4.4.2.4: can't set config #1, error -12 [ ? ?9.881131] systemd[1]: Set hostname to <HawkeyeTaaS>. [ ? ?9.940210] usb 2-4.4.4.2: new high-speed USB device number 22 using xhci_hcd [ ? ?9.984923] systemd[1]: /lib/systemd/system/systemd-udevd.service:31: Unknown lvalue 'RestrictSUIDSGID' in section 'Service' [ ? 10.041215] usb 2-4.4.4.2: New USB device found, idVendor=0bda, idProduct=0811 [ ? 10.043467] usb 2-4.4.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? 10.045727] usb 2-4.4.4.2: Product: 802.11ac WLAN Adapter [ ? 10.047988] usb 2-4.4.4.2: Manufacturer: Realtek [ ? 10.050229] usb 2-4.4.4.2: SerialNumber: 00e04c000001 [ ? 10.053190] usb 2-4.4.4.2: Not enough host controller resources for new device state. [ ? 10.055503] usb 2-4.4.4.2: can't set config #1, error -12 [ ? 10.076940] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ ? 10.087847] systemd[1]: Created slice User and Session Slice. [ ? 10.094683] systemd[1]: Created slice System Slice. [ ? 10.100776] systemd[1]: Listening on LVM2 metadata daemon socket. [ ? 10.107352] systemd[1]: Created slice system-systemd\x2dfsck.slice. [ ? 10.113306] systemd[1]: Listening on fsck to fsckd communication Socket. [ ? 10.120033] usb 2-4.4.3.3: new high-speed USB device number 23 using xhci_hcd [ ? 10.224467] usb 2-4.4.3.3: New USB device found, idVendor=0bda, idProduct=0811 [ ? 10.224470] usb 2-4.4.3.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? 10.224472] usb 2-4.4.3.3: Product: 802.11ac WLAN Adapter [ ? 10.224474] usb 2-4.4.3.3: Manufacturer: Realtek [ ? 10.224476] usb 2-4.4.3.3: SerialNumber: 00e04c000001 [ ? 10.225232] usb 2-4.4.3.3: Not enough host controller resources for new device state. [ ? 10.225318] usb 2-4.4.3.3: can't set config #1, error -12 [ ? 10.280692] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro [ ? 10.304065] usb 2-4.4.4.3: new high-speed USB device number 24 using xhci_hcd [ ? 10.404400] usb 2-4.4.4.3: New USB device found, idVendor=0bda, idProduct=0811 [ ? 10.406253] usb 2-4.4.4.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? 10.408087] usb 2-4.4.4.3: Product: 802.11ac WLAN Adapter [ ? 10.409899] usb 2-4.4.4.3: Manufacturer: Realtek [ ? 10.411672] usb 2-4.4.4.3: SerialNumber: 00e04c000001 [ ? 10.416771] usb 2-4.4.4.3: Not enough host controller resources for new device state. [ ? 10.418636] usb 2-4.4.4.3: can't set config #1, error -12 [ ? 10.484033] usb 2-4.4.3.4: new high-speed USB device number 25 using xhci_hcd [ ? 10.516046] Adding 1852176k swap on /swapfile. ?Priority:-2 extents:5 across:1884944k SSFS [ ? 10.584680] usb 2-4.4.3.4: New USB device found, idVendor=0bda, idProduct=0811 [ ? 10.586574] usb 2-4.4.3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? 10.586576] usb 2-4.4.3.4: Product: 802.11ac WLAN Adapter [ ? 10.586578] usb 2-4.4.3.4: Manufacturer: Realtek [ ? 10.586580] usb 2-4.4.3.4: SerialNumber: 00e04c000001 [ ? 10.587349] usb 2-4.4.3.4: Not enough host controller resources for new device state. [ ? 10.587416] usb 2-4.4.3.4: can't set config #1, error -12 [ ? 10.672042] usb 2-4.4.4.4: new high-speed USB device number 26 using xhci_hcd [ ? 10.687338] systemd-journald[421]: Received request to flush runtime journal from PID 1 [ ? 10.780543] usb 2-4.4.4.4: New USB device found, idVendor=0bda, idProduct=0811 [ ? 10.782535] usb 2-4.4.4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ ? 10.784591] usb 2-4.4.4.4: Product: 802.11ac WLAN Adapter [ ? 10.786547] usb 2-4.4.4.4: Manufacturer: Realtek [ ? 10.788498] usb 2-4.4.4.4: SerialNumber: 00e04c000001 [ ? 10.792303] usb 2-4.4.4.4: Not enough host controller resources for new device state. [ ? 10.794376] usb 2-4.4.4.4: can't set config #1, error -12 [ ? 10.844736] systemd-journald[421]: File /var/log/journal/478ce62e9ce04175f4dc87195fb52f25/system.journal corrupted or uncleanly shut down, renaming and replacing. [ ? 10.996898] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 ……
分析：根据log来看，与宏观现象一致，确实是9路不正常（见红色字体部分），7路正常。
对比没有出问题的机器的log，如下所示：
……
Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.701991] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.708161] ehci-pci: EHCI PCI platform driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.714613] ehci-pci 0000:00:1d.0: EHCI Host Controller Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.720725] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 1 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.733053] ehci-pci 0000:00:1d.0: debug port 2 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.743244] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.743272] ehci-pci 0000:00:1d.0: irq 23, io mem 0xd0805000 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.764254] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.770621] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.776850] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.789112] usb usb1: Product: EHCI Host Controller Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.795336] usb usb1: Manufacturer: Linux 4.15.0-45-generic ehci_hcd Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.801383] usb usb1: SerialNumber: 0000:00:1d.0 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.807714] hub 1-0:1.0: USB hub found Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.813432] hub 1-0:1.0: 8 ports detected Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.819345] ehci-platform: EHCI generic platform driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.824613] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.829709] ohci-pci: OHCI PCI platform driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.834657] ohci-platform: OHCI generic platform driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.839413] uhci_hcd: USB Universal Host Controller Interface driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.844136] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.853378] serio: i8042 KBD port at 0x60,0x64 irq 1 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.857649] serio: i8042 AUX port at 0x60,0x64 irq 12 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.862369] mousedev: PS/2 mouse device common for all mice Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.867839] rtc_cmos 00:00: RTC can wake from S4 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.872235] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.876456] rtc_cmos 00:00: alarms up to one month, y3k, 242 bytes nvram Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.880714] i2c /dev entries driver Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.884995] pcie_mp2_amd: AMD(R) PCI-E MP2 Communication Driver Version: 1.0 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.889454] device-mapper: uevent: version 1.0.3 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.894198] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: dm-devel@redhat.com Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.902728] intel_pstate: Intel P-state driver initializing Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.908361] ledtrig-cpu: registered to indicate activity on CPUs Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.914448] NET: Registered protocol family 10 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.927537] Segment Routing with IPv6 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.931584] NET: Registered protocol family 17 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.935863] Key type dns_resolver registered Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.941162] RAS: Correctable Errors collector initialized. Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.945266] microcode: sig=0x30679, pf=0x4, revision=0x90a Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.949664] microcode: Microcode Update Driver: v2.2. Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.949680] sched_clock: Marking stable (4949654126, 0)->(4930576516, 19077610) Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.962792] registered taskstats version 1 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.966804] Loading compiled-in X.509 certificates Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.976025] Loaded X.509 cert 'Build time autogenerated kernel key: e3b8f44ffaaceef3e3a84cfaebd8e5a9acebeaad' Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.983985] zswap: loaded using pool lzo/zbud Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?4.998239] Key type big_key registered Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.002159] Key type trusted registered Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.009983] Key type encrypted registered Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.013622] AppArmor: AppArmor sha1 policy hashing enabled Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.017341] ima: No TPM chip found, activating TPM-bypass! (rc=-19) Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.021122] ima: Allocated hash algorithm: sha1 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.024894] evm: HMAC attrs: 0x1 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.029107] ? Magic number: 2:108:521 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.033208] rtc_cmos 00:00: setting system clock to 2022-04-12 07:31:02 UTC (1649748662) Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.041128] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.044954] EDD information not available. Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.066623] Freeing unused kernel memory: 2408K Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.092231] Write protecting the kernel read-only data: 20480k Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.098554] Freeing unused kernel memory: 2008K Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.111647] Freeing unused kernel memory: 1892K Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.131381] x86/mm: Checked W+X mappings: passed, no W+X pages found. Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.135203] x86/mm: Checking user space page tables Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.154690] x86/mm: Checked W+X mappings: passed, no W+X pages found. Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.156190] usb 1-1: new high-speed USB device number 2 using ehci-pci Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.316530] usb 1-1: New USB device found, idVendor=8087, idProduct=07e6 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.320483] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.324939] hub 1-1:1.0: USB hub found Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.329769] hub 1-1:1.0: 4 ports detected Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.363542] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.367935] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.376475] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0x ? ? ? ?(ptrval), 68:ed:a4:39:74:3d, XID 0c900800 IRQ 87 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.384756] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.393538] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.398091] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.408443] ahci 0000:00:13.0: version 3.0 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.409066] ahci 0000:00:13.0: controller can't do DEVSLP, turning off Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.414984] r8169 0000:03:00.0 eth1: RTL8168evl/8111evl at 0x ? ? ? ?(ptrval), 68:ed:a4:39:74:3e, XID 0c900800 IRQ 89 Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.424362] r8169 0000:03:00.0 eth1: jumbo features [frames: 9200 bytes, tx checksumming: ko] Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.434137] ahci 0000:00:13.0: AHCI 0001.0300 32 slots 2 ports 3 Gbps 0x1 impl SATA mode Apr 12 15:31:14 HawkeyeTaaS kernel: [ ? ?5.443926] ahci 0000:00:13.0: flags: 64bit ncq pm led clo pio slum part deso ……
可以看到，正常的机器中是没有usb2和usb3的，只有usb1。
解决：经过与相关人员沟通确认，是出问题的这台机器前段时间主板上的BIOS电池被拔出了，BIOS恢复为默认设置了，默认打开了XHCI，这才导致上述问题的出现。将BIOS按照生产厂家给出的BIOS标准设置进行配置（其中包括不打开XHCI），问题解决。
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