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Thread: USB Ports

  1. #1

    Default USB Ports

    Hey guys, just wanted to get a little feedback on potential USB port issues with my laptop.

    It's an older Acer Aspire 5742 so they're just USB 2.0. It seems only 1 of 3 USB ports works properly. The one which works 100% is on one side, the 2 on the other side seem to be an issue.
    Given the age of my laptop it could full well be simple internal hardware connection problems, I was going to boot the Windows partition to check but given how long it's been since I used it I didn't want to wait for the abundance of updates it wanted to install when I booted Windows 7 partition.

    When I plug a device in, it's typically external drives which have a problem connecting or staying connected. So it's possible those ports aren't getting enough power anymore and failing or something like that.

    So I'm curious if there's a way to see if Suse is just having a problem with them recognizing devices properly or for me to know if there is a physical problem with them.
    They do seem to be recognized in "Hardware Information."

    Hopefully this makes sense...

  2. #2
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    Default Re: USB Ports

    Quote Originally Posted by syoung27 View Post
    Given the age of my laptop it could full well be simple internal hardware connection problems, I was going to boot the Windows partition to check but given how long it's been since I used it I didn't want to wait for the abundance of updates it wanted to install when I booted Windows 7 partition.
    If you use an ethernet cable for networking, unplug the cable, then boot Windows to test. If you use wireless, and are able to disable the Modem that provides Internet access, do that, then boot Windows. If it can't access Internet, Windows won't waste much time on updates it cannot do, and you can then test those two USB ports.
    Reg. Linux User #211409 *** multibooting since 1992
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  3. #3

    Default Re: USB Ports

    Quote Originally Posted by mrmazda View Post
    If you use an ethernet cable for networking, unplug the cable, then boot Windows to test. If you use wireless, and are able to disable the Modem that provides Internet access, do that, then boot Windows. If it can't access Internet, Windows won't waste much time on updates it cannot do, and you can then test those two USB ports.
    Sorry I didn't write that correctly. The updates must have been downloaded on previous windows shutdown, so now booting it's on "configuring updates" so I don't think it matters if I'm connected to the internet or not to bypass them.
    Maybe I'll just wait it out so I can test them.

  4. #4
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    Default Re: USB Ports

    Quote Originally Posted by syoung27 View Post
    Sorry I didn't write that correctly. The updates must have been downloaded on previous windows shutdown, so now booting it's on "configuring updates" so I don't think it matters if I'm connected to the internet or not to bypass them.
    Maybe I'll just wait it out so I can test them.
    Hi
    When you plug a device in use the following commands to see what's what and how much power is being used;

    Code:
    lsusb -t
    usb-devices
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
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  5. #5

    Default Re: USB Ports

    Quote Originally Posted by malcolmlewis View Post
    Hi
    When you plug a device in use the following commands to see what's what and how much power is being used;

    Code:
    lsusb -t
    usb-devices

    Code:
    spencer@linux-rqqt:~> lsusb -t
    /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
        |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
    /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
        |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
            |__ Port 1: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
            |__ Port 1: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
    spencer@linux-rqqt:~> usb devices
    If 'usb' is not a typo you can use command-not-found to lookup the package that contains it, like this:
        cnf usb
    spencer@linux-rqqt:~> usb-devices
    
    T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 2
    D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
    P:  Vendor=1d6b ProdID=0002 Rev=04.12
    S:  Manufacturer=Linux 4.12.14-lp150.12.45-default ehci_hcd
    S:  Product=EHCI Host Controller
    S:  SerialNumber=0000:00:1a.0
    C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
    I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
    
    T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 6
    D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
    P:  Vendor=8087 ProdID=0020 Rev=00.00
    C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
    I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
    
    T:  Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  3 Spd=480 MxCh= 0
    D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
    P:  Vendor=064e ProdID=c218 Rev=03.21
    S:  Manufacturer=SuYin
    S:  Product=1.3M HD WebCam
    S:  SerialNumber=HF1316-P80A-SS03-VA-R03.02.01
    C:  #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
    I:  If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo
    I:  If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo
    
    T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 2
    D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
    P:  Vendor=1d6b ProdID=0002 Rev=04.12
    S:  Manufacturer=Linux 4.12.14-lp150.12.45-default ehci_hcd                                                                                                                                     
    S:  Product=EHCI Host Controller                                                                                                                                                                
    S:  SerialNumber=0000:00:1d.0
    C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
    I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
    
    T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 8
    D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
    P:  Vendor=8087 ProdID=0020 Rev=00.00
    C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
    I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
    I don't know what to make of this, hopefully you can tell me lol. Thanks

  6. #6
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    Default Re: USB Ports

    Quote Originally Posted by syoung27 View Post
    Code:
    spencer@linux-rqqt:~> lsusb -t
    /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
        |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
    
    /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
        |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
            |__ Port 1: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
            |__ Port 1: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
    
    T:  Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  3 Spd=480 MxCh= 0
    D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
    P:  Vendor=064e ProdID=c218 Rev=03.21
    S:  Manufacturer=SuYin
    S:  Product=1.3M HD WebCam
    S:  SerialNumber=HF1316-P80A-SS03-VA-R03.02.01
    C:  #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
    I:  If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo
    I:  If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo
    I don't know what to make of this, hopefully you can tell me lol. Thanks
    Hi
    So the webcam is sucking full power, how do things go with that unplugged? Check with the above two commands as you connect USB items...
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
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    please show your appreciation and click on the star below... Thanks!

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    Default Re: USB Ports

    Quote Originally Posted by malcolmlewis View Post
    Hi
    So the webcam is sucking full power, how do things go with that unplugged? Check with the above two commands as you connect USB items...
    No, I don't think that's a correct interpretation. That's just the requested power a device has registered, but not necessarily representative of the device's nominal power usage.
    openSUSE Leap 15.0; KDE Plasma 5

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    Default Re: USB Ports

    Quote Originally Posted by deano_ferrari View Post
    No, I don't think that's a correct interpretation. That's just the requested power a device has registered, but not necessarily representative of the device's nominal power usage.
    Hi
    True, but if other devices are connected to the same hub, there is the potential for other devices not to work....
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
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  9. #9
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    Default Re: USB Ports

    Quote Originally Posted by malcolmlewis View Post
    Hi
    True, but if other devices are connected to the same hub, there is the potential for other devices not to work....
    That's true, however the output shared so far does not show other connected devices apart from the webcam, and that may not even be active. (I get the same reported for an inactive inbuilt webcam on my Toshiba laptop.)
    openSUSE Leap 15.0; KDE Plasma 5

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    Default Re: USB Ports

    Hi
    @OP, anyway, looks like only one port is working, aside from the webcam... would expect to see a further two in the lsusb output. Not disabled in the BIOS, maybe a faulty/disconnected ribbon cable or a dead USB board, from memory they are separate to the main motherboard.
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

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