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buonasera ragazzi
come da titolo le porte usb 2.0 non funzionano su ubuntu 19.10 mentre le usb 3.0 sì, ho windows in dual boot e su windows funzionano normalmente tutte le porte usb.
allego dsmseg con grep sugli errori:

Codice: Seleziona tutto

[    1.488262] usb 1-3: device not accepting address 2, error -32
[    2.036343] usb 1-3: device not accepting address 3, error -32
[    2.612342] usb 1-3: device descriptor read/64, error -32
[    2.852341] usb 1-3: device descriptor read/64, error -32
[    3.220340] usb 1-3: device descriptor read/64, error -32
[    3.460341] usb 1-3: device descriptor read/64, error -32
[    4.088351] usb 4-3: device descriptor read/64, error -32
[    4.218920] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
[    4.368262] usb 4-3: device descriptor read/64, error -32
[    4.800260] usb 4-3: device descriptor read/64, error -32
[    5.076264] usb 4-3: device descriptor read/64, error -32
[    6.128261] usb 4-3: device not accepting address 4, error -32
[    6.732255] usb 4-3: device not accepting address 5, error -32