Gevorderden vraagje en wellicht herkenbaar voor mede-Macbook gebruikers:
Zie dmesg hieronder; laptop start erg traag op. De kernel lijkt moeite te hebben met de vijfde USB. Ik heb niet kunnen ontdekken welk intern apparaat daar aan hangt, wellicht is het één van de twee vrije USB-poorten.
Wie herkent dit probleem en weet een oplossing?
Hoe kan ik bij wijze van proef de kernel vertellen dat die specifieke USB-poort overgeslagen moet worden?
dmesg | less:
...
[ 0.897093] usb 1-4: new high speed USB device using ehci_hcd and address 3
[ 1.029464] usb 1-4: configuration #1 chosen from 1 choice
[ 1.144551] EXT4-fs (sda4): mounted filesystem with ordered data mode
[ 1.492089] usb 2-2: new full speed USB device using uhci_hcd and address 2
[ 1.678576] usb 2-2: configuration #1 chosen from 1 choice
[ 1.924054] usb 4-2: new full speed USB device using uhci_hcd and address 2
[ 2.102969] usb 4-2: configuration #1 chosen from 1 choice
[ 2.156453] ieee1394: Host added: ID:BUS[0-00:1023] GUID[0019e3fffe77e024]
[ 2.400051] usb 5-1: new full speed USB device using uhci_hcd and address 2
[ 2.580243] usb 5-1: configuration #1 chosen from 1 choice
[ 2.583142] hub 5-1:1.0: USB hub found
[ 2.585091] hub 5-1:1.0: 3 ports detected
[ 2.865104] usb 5-1.1: new full speed USB device using uhci_hcd and address 3
[ 2.998235] usb 5-1.1: configuration #1 chosen from 1 choice
[ 3.077101] usb 5-1.2: new full speed USB device using uhci_hcd and address 4
[ 3.199240] usb 5-1.2: configuration #1 chosen from 1 choice
[ 3.277103] usb 5-1.3: new full speed USB device using uhci_hcd and address 5
[ 3.397232] usb 5-1.3: configuration #1 chosen from 1 choice
[ 32.549314] udev: starting version 151
