On 03/05/2018 09:33 PM, R0b0t1 wrote:
> On Mon, Mar 5, 2018 at 9:41 PM,  <the...@sys-concept.com> wrote:
>> On 03/05/2018 07:33 PM, R0b0t1 wrote:
>>> On Mon, Mar 5, 2018 at 7:40 PM,  <the...@sys-concept.com> wrote:
>>>> Is there a way to reinitialize USB ports without restarting the computer?
>>>>
>>>> Two of my USB 3 ports stop working.
>>>>
>>>> lsusb -t
>>>> /:  Bus 11.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
>>>> /:  Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
>>>> /:  Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
>>>> /:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
>>>> /:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/4p, 12M
>>>> /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/2p, 12M
>>>> /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
>>>>     |__ Port 3: Dev 13, If 0, Class=Human Interface Device,
>>>> Driver=usbhid, 12M
>>>> /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
>>>>     |__ Port 4: Dev 2, If 0, Class=Human Interface Device,
>>>> Driver=usbhid, 12M
>>>>     |__ Port 4: Dev 2, If 1, Class=Human Interface Device,
>>>> Driver=usbhid, 12M
>>>>     |__ Port 4: Dev 2, If 2, Class=Human Interface Device,
>>>> Driver=usbhid, 12M
>>>> /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/4p, 480M
>>>> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
>>>> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
>>>>
>>>
>>> How do you know they've stopped working? Are there notices in dmesg?
>>> Some devices do not work well on USB3 ports.
>>>
>>> Cheers,
>>>      R0b0t1
>>
>> dmesg is not showing anything.
>> I have an usb extension cord pluged-in to the back of the computer "blue
>> usb port" (I think the color blue designates USB-3), there are two of
>> them.
>> My usb stick was working OK on one, but it stopped.  I pluged the USB
>> extension cord to the other port; so it was working for a while.  Now
>> the second one stop working as well.
>>
>> When I connect my USB stick to the extension cable the "dmesg" is not
>> showing any output.
>>
> 
> I've had this happen, but it wasn't reproducible. Is the drive
> (sd[a-z]) still left on your filesystem?

df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3        74G   17G   54G  24% /
tmpfs           1.6G  1.4M  1.6G   1% /run
dev              10M     0   10M   0% /dev
shm             7.9G   36M  7.8G   1% /dev/shm
cgroup_root      10M     0   10M   0% /sys/fs/cgroup
/dev/sda4       925G  409G  469G  47% /home
/dev/sda5       828G  620G  166G  79% /home2
/dev/sda1        30M   23M  6.0M  79% /boot
none            7.9G     0  7.9G   0% /run/user/1000

--
Thelma

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