Куски из kernel.log, относящиеся к USB (можно и весь, но он большой ~ 30k):
Apr 24 01:43:27 (none) kernel: usb.c: registered new driver usbdevfs
Apr 24 01:43:27 (none) kernel: usb.c: registered new driver hub
Apr 24 01:43:27 (none) kernel: PCI: Setting latency timer of device 00:02.2 to 64
Apr 24 01:43:27 (none) kernel: ehci_hcd 00:02.2: nVidia Corporation nForce2 USB Controller
Apr 24 01:43:27 (none) kernel: ehci_hcd 00:02.2: irq 21, pci mem e0cca000
Apr 24 01:43:27 (none) kernel: usb.c: new USB bus registered, assigned bus number 1
Apr 24 01:43:27 (none) kernel: PCI: cache line size of 64 is not supported by device 00:02.2
Apr 24 01:43:27 (none) kernel: ehci_hcd 00:02.2: USB 2.0 enabled, EHCI 1.00, driver 2003-Jun-19/2.4
Apr 24 01:43:27 (none) kernel: hub.c: USB hub found
Apr 24 01:43:27 (none) kernel: hub.c: 6 ports detected
Apr 24 01:43:27 (none) kernel: PCI: Setting latency timer of device 00:02.0 to 64
Apr 24 01:43:27 (none) kernel: usb-ohci.c: USB OHCI at membase 0xe0cd2000, IRQ 20
Apr 24 01:43:27 (none) kernel: usb-ohci.c: usb-00:02.0, nVidia Corporation nForce2 USB Controller
Apr 24 01:43:27 (none) kernel: usb.c: new USB bus registered, assigned bus number 2
Apr 24 01:43:27 (none) kernel: hub.c: USB hub found
Apr 24 01:43:27 (none) kernel: hub.c: 3 ports detected
Apr 24 01:43:27 (none) kernel: PCI: Setting latency timer of device 00:02.1 to 64
Apr 24 01:43:27 (none) kernel: usb-ohci.c: USB OHCI at membase 0xe0cd4000, IRQ 22
Apr 24 01:43:27 (none) kernel: usb-ohci.c: usb-00:02.1, nVidia Corporation nForce2 USB Controller (#2)
Apr 24 01:43:27 (none) kernel: usb.c: new USB bus registered, assigned bus number 3
Apr 24 01:43:27 (none) kernel: hub.c: USB hub found
Apr 24 01:43:27 (none) kernel: hub.c: 3 ports detected
Apr 24 01:43:28 (none) kernel: hub.c: new USB device 00:02.0-1, assigned address 2
Apr 24 01:43:28 (none) kernel: hub.c: USB hub found
Apr 24 01:43:28 (none) kernel: hub.c: 2 ports detected
Apr 24 01:43:29 (none) kernel: hub.c: new USB device 00:02.0-2, assigned address 3
Apr 24 01:43:29 (none) kernel: usb.c: USB device 3 (vend/prod 0x46e/0x6782) is not claimed by any active driver.
Apr 24 01:43:32 (none) kernel: usb.c: registered new driver hid
Apr 24 01:43:32 (none) kernel: input: USB HID v1.00 Keyboard [BTC USB Keyboard and Mouse] on usb2:3.0
Apr 24 01:43:32 (none) kernel: input: USB HID v1.00 Mouse [BTC USB Keyboard and Mouse] on usb2:3.1
Apr 24 01:43:32 (none) kernel: hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <
vojtech@suse.cz>
Apr 24 01:43:32 (none) kernel: hid-core.c: USB HID support drivers
Втыкаю флэшку...
Apr 24 01:43:47 (none) kernel: hub.c: new USB device 00:02.2-5, assigned address 2
Apr 24 01:43:47 (none) kernel: usb.c: USB device not accepting new address=2 (error=-71)
Apr 24 01:43:48 (none) kernel: hub.c: new USB device 00:02.2-5, assigned address 3
Apr 24 01:43:48 (none) kernel: usb.c: USB device not accepting new address=3 (error=-71)
Не получилось
Втыкаю флэшку...
Apr 24 01:44:52 (none) kernel: hub.c: new USB device 00:02.2-5, assigned address 4
Apr 24 01:44:52 (none) kernel: usb.c: USB device 4 (vend/prod 0xea0/0x2168) is not claimed by any active driver.
Apr 24 01:44:55 (none) kernel: Initializing USB Mass Storage driver...
Apr 24 01:44:55 (none) kernel: usb.c: registered new driver usb-storage
Apr 24 01:44:55 (none) kernel: scsi1 : SCSI emulation for USB Mass Storage devices
Apr 24 01:44:55 (none) kernel: Vendor: Model: USB BAR Rev: 2.00
Apr 24 01:44:55 (none) kernel: Type: Direct-Access ANSI SCSI revision: 02
Apr 24 01:44:55 (none) kernel: WARNING: USB Mass Storage data integrity not assured
Apr 24 01:44:55 (none) kernel: USB Mass Storage device found at 4
Apr 24 01:44:55 (none) kernel: USB Mass Storage support registered.
Apr 24 01:44:57 (none) kernel: Attached scsi removable disk sda at scsi1, channel 0, id 0, lun 0
Apr 24 01:44:57 (none) kernel: sda: Unit Not Ready, sense:
Apr 24 01:44:57 (none) kernel: Current 00:00: sns = 70 6
Apr 24 01:44:57 (none) kernel: ASC=28 ASCQ= 0
Apr 24 01:44:57 (none) kernel: Raw sense data:0x70 0x00 0x06 0x00 0x00 0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x28 0x00 0x00 0x00 0x00 0x00
Apr 24 01:45:33 (none) kernel: SCSI device sda: 511744 512-byte hdwr sectors (262 MB)
Apr 24 01:45:33 (none) kernel: sda: Write Protect is off
Apr 24 01:45:33 (none) kernel: /dev/scsi/host1/bus0/target0/lun0: unknown partition table
Apr 24 01:45:33 (none) kernel: EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
Заработало
Apr 24 01:45:54 (none) kernel: usb.c: USB disconnect on device 00:02.2-5 address 4
Кстати, как такие вещи выделять в сообщениях?