我用“海神”制作了缩略图。在发生这种情况时,负载平均保持在1左右,而CPU使用率为一半空闲,一半等待(以及其他程序的少量用户/系统)。top中cpu列表顶部的任何程序都与复制照片无关。new high-speed USB device number 4 using ehci_hcdDec 2 16:21:24 mishtop kernel: [
new SuperSpeed USB device number 2 using xhci_hcdJun 22 22:22:12 host kernel: [10288570.886457] usb 2-device strings: Mfr=1, Product=2, SerialNumber=3
Jun 22 22:22:12 host kernel:
] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3[1351555.813065] usb 2-2: Manufacturer: Samsung Electronics
[1351555.813071] usb 2-2: SerialNumber] usb 2-2: reset high-speed USB device number 18
这是dmesg插入USB驱动器时返回的内容:[989699.722098] scsi7 : usb-storage 2-2:1.0
[989721.936053] usb 2-2: reset high-speed USB device number 4 using ehci_hcd[989732.180053] usb 2-2: reset high-speed USB
[21226.044538] uvcvideo 2-2:1.0: Entity type for entity Extension 8 was not initialized![21226.044547] uvcvideo 2-2:1.0: Entity type for entity Camera 1 was not initialized!2/2-2:1.0/input/input35
[21226.137559] usb 2-2: Warning!2-2: New US