Ubuntu 14.04 LTS - USB 3.0 Low Output or not working

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I have a problem with my laptop. Since I've installed Ubuntu 14.04 LTS in dual boot, my two USB 3.0 don't work anymore.



Maybe you need to know:



My Laptop has 2*USB 2.0 and 2*USB 3.0. One of the USB 2.0 is defect, I don't know why, it doesn't work under Windows either. The two 3.0 Ports work under Windows (they charge my Phone and I can connect my mouse & USB stick to them). The 2.0 port works fine, too.
In Ubuntu, the 2.0 port works excellent, too. But the 3.0 Ports don't. Whenever I plug in my Phone, it says that it's charging, but it doesn't detect that it's connect to a Laptop/PC (No USB Debugging icon and no option to enable mass storage). When i plug my mouse in one of the 3.0 ports, the laser (or whatever it is) on the bottom of the mouse flickers, but it doesn't work. When i plug in an USB, it doesn't connect. Before Ubuntu 14.04 i had 13.04 and everything worked as it should (except the USB 2.0 port, of course).



This is the output of lsusb with plugged in my mouse and my phone to my 3.0 ports:



Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 8087:07da Intel Corp.
Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub`


This is 'lsusb' with nothing plugged in:



Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 8087:07da Intel Corp.
Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


I only know that 04f2:b2bb is my Webcam.










share|improve this question



























    up vote
    1
    down vote

    favorite












    I have a problem with my laptop. Since I've installed Ubuntu 14.04 LTS in dual boot, my two USB 3.0 don't work anymore.



    Maybe you need to know:



    My Laptop has 2*USB 2.0 and 2*USB 3.0. One of the USB 2.0 is defect, I don't know why, it doesn't work under Windows either. The two 3.0 Ports work under Windows (they charge my Phone and I can connect my mouse & USB stick to them). The 2.0 port works fine, too.
    In Ubuntu, the 2.0 port works excellent, too. But the 3.0 Ports don't. Whenever I plug in my Phone, it says that it's charging, but it doesn't detect that it's connect to a Laptop/PC (No USB Debugging icon and no option to enable mass storage). When i plug my mouse in one of the 3.0 ports, the laser (or whatever it is) on the bottom of the mouse flickers, but it doesn't work. When i plug in an USB, it doesn't connect. Before Ubuntu 14.04 i had 13.04 and everything worked as it should (except the USB 2.0 port, of course).



    This is the output of lsusb with plugged in my mouse and my phone to my 3.0 ports:



    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 004: ID 8087:07da Intel Corp.
    Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub`


    This is 'lsusb' with nothing plugged in:



    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 004: ID 8087:07da Intel Corp.
    Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


    I only know that 04f2:b2bb is my Webcam.










    share|improve this question

























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I have a problem with my laptop. Since I've installed Ubuntu 14.04 LTS in dual boot, my two USB 3.0 don't work anymore.



      Maybe you need to know:



      My Laptop has 2*USB 2.0 and 2*USB 3.0. One of the USB 2.0 is defect, I don't know why, it doesn't work under Windows either. The two 3.0 Ports work under Windows (they charge my Phone and I can connect my mouse & USB stick to them). The 2.0 port works fine, too.
      In Ubuntu, the 2.0 port works excellent, too. But the 3.0 Ports don't. Whenever I plug in my Phone, it says that it's charging, but it doesn't detect that it's connect to a Laptop/PC (No USB Debugging icon and no option to enable mass storage). When i plug my mouse in one of the 3.0 ports, the laser (or whatever it is) on the bottom of the mouse flickers, but it doesn't work. When i plug in an USB, it doesn't connect. Before Ubuntu 14.04 i had 13.04 and everything worked as it should (except the USB 2.0 port, of course).



      This is the output of lsusb with plugged in my mouse and my phone to my 3.0 ports:



      Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
      Bus 001 Device 004: ID 8087:07da Intel Corp.
      Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
      Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub`


      This is 'lsusb' with nothing plugged in:



      Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
      Bus 001 Device 004: ID 8087:07da Intel Corp.
      Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
      Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


      I only know that 04f2:b2bb is my Webcam.










      share|improve this question















      I have a problem with my laptop. Since I've installed Ubuntu 14.04 LTS in dual boot, my two USB 3.0 don't work anymore.



      Maybe you need to know:



      My Laptop has 2*USB 2.0 and 2*USB 3.0. One of the USB 2.0 is defect, I don't know why, it doesn't work under Windows either. The two 3.0 Ports work under Windows (they charge my Phone and I can connect my mouse & USB stick to them). The 2.0 port works fine, too.
      In Ubuntu, the 2.0 port works excellent, too. But the 3.0 Ports don't. Whenever I plug in my Phone, it says that it's charging, but it doesn't detect that it's connect to a Laptop/PC (No USB Debugging icon and no option to enable mass storage). When i plug my mouse in one of the 3.0 ports, the laser (or whatever it is) on the bottom of the mouse flickers, but it doesn't work. When i plug in an USB, it doesn't connect. Before Ubuntu 14.04 i had 13.04 and everything worked as it should (except the USB 2.0 port, of course).



      This is the output of lsusb with plugged in my mouse and my phone to my 3.0 ports:



      Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
      Bus 001 Device 004: ID 8087:07da Intel Corp.
      Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
      Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub`


      This is 'lsusb' with nothing plugged in:



      Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
      Bus 001 Device 004: ID 8087:07da Intel Corp.
      Bus 001 Device 003: ID 04f2:b2bb Chicony Electronics Co., Ltd
      Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
      Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


      I only know that 04f2:b2bb is my Webcam.







      ubuntu usb laptop






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Sep 3 '16 at 18:14









      Jeff Schaller

      33.8k851113




      33.8k851113










      asked Aug 14 '14 at 8:28









      Lorenz

      18116




      18116




















          2 Answers
          2






          active

          oldest

          votes

















          up vote
          1
          down vote













          First of all: if the usb device autodetection successfully happened, you had to see your devices on the usb bus. So it didn't happen.



          You are listing a list of myterious symptomes - it works on win, but on on linux, some on linux but not on win.



          No, I am nearly sure it is not driver problem.



          I think, it is a power problem. A race. Normally, such power problems are the worst, because they make things totally hazardous. My hypothese were, that there is race: somehow win initializes your usb ports/devices in a different order as your linux. It is because your devices awake in a different order, and thus they start to get power in a different order as well.



          While the starting of the first devices, there is enough power yet, but on the later there isn't any more.



          What you could do: The best were to use an USB hub having its own power input. Power supply were always a very big disadvantage of the usb. It works with 5V, but on such cables is practically impossible to get more as 2-3A. On the standard, 0.5A is only required, which means that not enough good quality devices mostly aren't capable even that 0.5A - or they are providing that hazardously.




          Next to that I had yet a secondary idea: sometimes usb hubs (even on the mainboard integrated ones) aren't enough intelligent to differentiate between the different usb versions of their slaves. Thus if you plug an usb2.0 device next to ab usb3.0, it will make the usb3 device also much slower.






          share|improve this answer






















          • Ok, I understand you, but why did it work on Ubuntu 13.04 then?
            – Lorenz
            Aug 14 '14 at 9:03










          • @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
            – peterh
            Aug 14 '14 at 9:07











          • Okay, will try to fix it, thank you.
            – Lorenz
            Aug 14 '14 at 9:12










          • @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
            – peterh
            Aug 14 '14 at 9:18










          • Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
            – Lorenz
            Aug 14 '14 at 9:22


















          up vote
          0
          down vote













          There probably is a problem with USB3 Linux drivers.



          It might not be the xhci drivers themselves causing the problems, but they still report some external powered devices don't always have the power needed according to logs (My USB2 drivers work without problems and same devices work in USB2).



          Power thing is strange, since drives work in USB 2 ports (ofc limited speed). Problem could be isolated to my own Texas Instruments TUSB73x0 SuperSpeed USB 3.0. In which case it is still a driver or hardware problem / controller bios.



          Personally I have 2 externally powered HDs and if I add both, last one fails (even by hand 10 sec later, so doesn't seem to be due to spike during boot). The drives are the same. The drives doesn't show up in fdisk -l.



          According to lsusb and usb-devices, MaxPower is 0 mA. According to dmesg device fails due to lack of power. Adding devices by hand result in problems with device #2 (whatever device added last).



          Recognition of certain USB3 hubs is not without problems either. From what I can see Sandberg usb3 hub isn't recognized at all (externally powered usb3 hub). Same hub was recognised in usb2 ports.



          Little unsure if lsusb and usb-devices just reports what the devices tell them and if the errors themselves is in the controller of the hardware. But it definitely seem to be software related at some point.



          Hope I am not too far away from the problem to report it in this post.






          share|improve this answer








          New contributor




          k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.

















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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            1
            down vote













            First of all: if the usb device autodetection successfully happened, you had to see your devices on the usb bus. So it didn't happen.



            You are listing a list of myterious symptomes - it works on win, but on on linux, some on linux but not on win.



            No, I am nearly sure it is not driver problem.



            I think, it is a power problem. A race. Normally, such power problems are the worst, because they make things totally hazardous. My hypothese were, that there is race: somehow win initializes your usb ports/devices in a different order as your linux. It is because your devices awake in a different order, and thus they start to get power in a different order as well.



            While the starting of the first devices, there is enough power yet, but on the later there isn't any more.



            What you could do: The best were to use an USB hub having its own power input. Power supply were always a very big disadvantage of the usb. It works with 5V, but on such cables is practically impossible to get more as 2-3A. On the standard, 0.5A is only required, which means that not enough good quality devices mostly aren't capable even that 0.5A - or they are providing that hazardously.




            Next to that I had yet a secondary idea: sometimes usb hubs (even on the mainboard integrated ones) aren't enough intelligent to differentiate between the different usb versions of their slaves. Thus if you plug an usb2.0 device next to ab usb3.0, it will make the usb3 device also much slower.






            share|improve this answer






















            • Ok, I understand you, but why did it work on Ubuntu 13.04 then?
              – Lorenz
              Aug 14 '14 at 9:03










            • @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
              – peterh
              Aug 14 '14 at 9:07











            • Okay, will try to fix it, thank you.
              – Lorenz
              Aug 14 '14 at 9:12










            • @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
              – peterh
              Aug 14 '14 at 9:18










            • Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
              – Lorenz
              Aug 14 '14 at 9:22















            up vote
            1
            down vote













            First of all: if the usb device autodetection successfully happened, you had to see your devices on the usb bus. So it didn't happen.



            You are listing a list of myterious symptomes - it works on win, but on on linux, some on linux but not on win.



            No, I am nearly sure it is not driver problem.



            I think, it is a power problem. A race. Normally, such power problems are the worst, because they make things totally hazardous. My hypothese were, that there is race: somehow win initializes your usb ports/devices in a different order as your linux. It is because your devices awake in a different order, and thus they start to get power in a different order as well.



            While the starting of the first devices, there is enough power yet, but on the later there isn't any more.



            What you could do: The best were to use an USB hub having its own power input. Power supply were always a very big disadvantage of the usb. It works with 5V, but on such cables is practically impossible to get more as 2-3A. On the standard, 0.5A is only required, which means that not enough good quality devices mostly aren't capable even that 0.5A - or they are providing that hazardously.




            Next to that I had yet a secondary idea: sometimes usb hubs (even on the mainboard integrated ones) aren't enough intelligent to differentiate between the different usb versions of their slaves. Thus if you plug an usb2.0 device next to ab usb3.0, it will make the usb3 device also much slower.






            share|improve this answer






















            • Ok, I understand you, but why did it work on Ubuntu 13.04 then?
              – Lorenz
              Aug 14 '14 at 9:03










            • @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
              – peterh
              Aug 14 '14 at 9:07











            • Okay, will try to fix it, thank you.
              – Lorenz
              Aug 14 '14 at 9:12










            • @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
              – peterh
              Aug 14 '14 at 9:18










            • Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
              – Lorenz
              Aug 14 '14 at 9:22













            up vote
            1
            down vote










            up vote
            1
            down vote









            First of all: if the usb device autodetection successfully happened, you had to see your devices on the usb bus. So it didn't happen.



            You are listing a list of myterious symptomes - it works on win, but on on linux, some on linux but not on win.



            No, I am nearly sure it is not driver problem.



            I think, it is a power problem. A race. Normally, such power problems are the worst, because they make things totally hazardous. My hypothese were, that there is race: somehow win initializes your usb ports/devices in a different order as your linux. It is because your devices awake in a different order, and thus they start to get power in a different order as well.



            While the starting of the first devices, there is enough power yet, but on the later there isn't any more.



            What you could do: The best were to use an USB hub having its own power input. Power supply were always a very big disadvantage of the usb. It works with 5V, but on such cables is practically impossible to get more as 2-3A. On the standard, 0.5A is only required, which means that not enough good quality devices mostly aren't capable even that 0.5A - or they are providing that hazardously.




            Next to that I had yet a secondary idea: sometimes usb hubs (even on the mainboard integrated ones) aren't enough intelligent to differentiate between the different usb versions of their slaves. Thus if you plug an usb2.0 device next to ab usb3.0, it will make the usb3 device also much slower.






            share|improve this answer














            First of all: if the usb device autodetection successfully happened, you had to see your devices on the usb bus. So it didn't happen.



            You are listing a list of myterious symptomes - it works on win, but on on linux, some on linux but not on win.



            No, I am nearly sure it is not driver problem.



            I think, it is a power problem. A race. Normally, such power problems are the worst, because they make things totally hazardous. My hypothese were, that there is race: somehow win initializes your usb ports/devices in a different order as your linux. It is because your devices awake in a different order, and thus they start to get power in a different order as well.



            While the starting of the first devices, there is enough power yet, but on the later there isn't any more.



            What you could do: The best were to use an USB hub having its own power input. Power supply were always a very big disadvantage of the usb. It works with 5V, but on such cables is practically impossible to get more as 2-3A. On the standard, 0.5A is only required, which means that not enough good quality devices mostly aren't capable even that 0.5A - or they are providing that hazardously.




            Next to that I had yet a secondary idea: sometimes usb hubs (even on the mainboard integrated ones) aren't enough intelligent to differentiate between the different usb versions of their slaves. Thus if you plug an usb2.0 device next to ab usb3.0, it will make the usb3 device also much slower.







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Aug 15 '14 at 7:46

























            answered Aug 14 '14 at 8:59









            peterh

            4,04792755




            4,04792755











            • Ok, I understand you, but why did it work on Ubuntu 13.04 then?
              – Lorenz
              Aug 14 '14 at 9:03










            • @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
              – peterh
              Aug 14 '14 at 9:07











            • Okay, will try to fix it, thank you.
              – Lorenz
              Aug 14 '14 at 9:12










            • @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
              – peterh
              Aug 14 '14 at 9:18










            • Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
              – Lorenz
              Aug 14 '14 at 9:22

















            • Ok, I understand you, but why did it work on Ubuntu 13.04 then?
              – Lorenz
              Aug 14 '14 at 9:03










            • @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
              – peterh
              Aug 14 '14 at 9:07











            • Okay, will try to fix it, thank you.
              – Lorenz
              Aug 14 '14 at 9:12










            • @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
              – peterh
              Aug 14 '14 at 9:18










            • Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
              – Lorenz
              Aug 14 '14 at 9:22
















            Ok, I understand you, but why did it work on Ubuntu 13.04 then?
            – Lorenz
            Aug 14 '14 at 9:03




            Ok, I understand you, but why did it work on Ubuntu 13.04 then?
            – Lorenz
            Aug 14 '14 at 9:03












            @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
            – peterh
            Aug 14 '14 at 9:07





            @Lorenz On win had you problems as well. I think you were lucky - or 13.04 used somehow a luckier initialization sequence. These devices get more power if they are booting/starting. Plug in/out your devices in different combinations and check their availability with lsusb. If you find mystical behavior, it is surely power problem. But in your place my first idea were this usb hub with its own power supply (at least to make sure if it is the real cause of the problem).
            – peterh
            Aug 14 '14 at 9:07













            Okay, will try to fix it, thank you.
            – Lorenz
            Aug 14 '14 at 9:12




            Okay, will try to fix it, thank you.
            – Lorenz
            Aug 14 '14 at 9:12












            @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
            – peterh
            Aug 14 '14 at 9:18




            @Lorenz If it worked or you are satisfied with an answer, it is a big reward to the helping person to upvote/accept that by clicking the icons on the left side.
            – peterh
            Aug 14 '14 at 9:18












            Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
            – Lorenz
            Aug 14 '14 at 9:22





            Ok. I plugged in only my phone at boot (USB 3.0) and...it worked. But when I plugged it out and in again it didn't work. The USB 2.0 worked excellent (even after plug in and out). So your solution is right. But is there ans way to initalize the USBs without a reboot?
            – Lorenz
            Aug 14 '14 at 9:22













            up vote
            0
            down vote













            There probably is a problem with USB3 Linux drivers.



            It might not be the xhci drivers themselves causing the problems, but they still report some external powered devices don't always have the power needed according to logs (My USB2 drivers work without problems and same devices work in USB2).



            Power thing is strange, since drives work in USB 2 ports (ofc limited speed). Problem could be isolated to my own Texas Instruments TUSB73x0 SuperSpeed USB 3.0. In which case it is still a driver or hardware problem / controller bios.



            Personally I have 2 externally powered HDs and if I add both, last one fails (even by hand 10 sec later, so doesn't seem to be due to spike during boot). The drives are the same. The drives doesn't show up in fdisk -l.



            According to lsusb and usb-devices, MaxPower is 0 mA. According to dmesg device fails due to lack of power. Adding devices by hand result in problems with device #2 (whatever device added last).



            Recognition of certain USB3 hubs is not without problems either. From what I can see Sandberg usb3 hub isn't recognized at all (externally powered usb3 hub). Same hub was recognised in usb2 ports.



            Little unsure if lsusb and usb-devices just reports what the devices tell them and if the errors themselves is in the controller of the hardware. But it definitely seem to be software related at some point.



            Hope I am not too far away from the problem to report it in this post.






            share|improve this answer








            New contributor




            k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.





















              up vote
              0
              down vote













              There probably is a problem with USB3 Linux drivers.



              It might not be the xhci drivers themselves causing the problems, but they still report some external powered devices don't always have the power needed according to logs (My USB2 drivers work without problems and same devices work in USB2).



              Power thing is strange, since drives work in USB 2 ports (ofc limited speed). Problem could be isolated to my own Texas Instruments TUSB73x0 SuperSpeed USB 3.0. In which case it is still a driver or hardware problem / controller bios.



              Personally I have 2 externally powered HDs and if I add both, last one fails (even by hand 10 sec later, so doesn't seem to be due to spike during boot). The drives are the same. The drives doesn't show up in fdisk -l.



              According to lsusb and usb-devices, MaxPower is 0 mA. According to dmesg device fails due to lack of power. Adding devices by hand result in problems with device #2 (whatever device added last).



              Recognition of certain USB3 hubs is not without problems either. From what I can see Sandberg usb3 hub isn't recognized at all (externally powered usb3 hub). Same hub was recognised in usb2 ports.



              Little unsure if lsusb and usb-devices just reports what the devices tell them and if the errors themselves is in the controller of the hardware. But it definitely seem to be software related at some point.



              Hope I am not too far away from the problem to report it in this post.






              share|improve this answer








              New contributor




              k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
              Check out our Code of Conduct.



















                up vote
                0
                down vote










                up vote
                0
                down vote









                There probably is a problem with USB3 Linux drivers.



                It might not be the xhci drivers themselves causing the problems, but they still report some external powered devices don't always have the power needed according to logs (My USB2 drivers work without problems and same devices work in USB2).



                Power thing is strange, since drives work in USB 2 ports (ofc limited speed). Problem could be isolated to my own Texas Instruments TUSB73x0 SuperSpeed USB 3.0. In which case it is still a driver or hardware problem / controller bios.



                Personally I have 2 externally powered HDs and if I add both, last one fails (even by hand 10 sec later, so doesn't seem to be due to spike during boot). The drives are the same. The drives doesn't show up in fdisk -l.



                According to lsusb and usb-devices, MaxPower is 0 mA. According to dmesg device fails due to lack of power. Adding devices by hand result in problems with device #2 (whatever device added last).



                Recognition of certain USB3 hubs is not without problems either. From what I can see Sandberg usb3 hub isn't recognized at all (externally powered usb3 hub). Same hub was recognised in usb2 ports.



                Little unsure if lsusb and usb-devices just reports what the devices tell them and if the errors themselves is in the controller of the hardware. But it definitely seem to be software related at some point.



                Hope I am not too far away from the problem to report it in this post.






                share|improve this answer








                New contributor




                k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                There probably is a problem with USB3 Linux drivers.



                It might not be the xhci drivers themselves causing the problems, but they still report some external powered devices don't always have the power needed according to logs (My USB2 drivers work without problems and same devices work in USB2).



                Power thing is strange, since drives work in USB 2 ports (ofc limited speed). Problem could be isolated to my own Texas Instruments TUSB73x0 SuperSpeed USB 3.0. In which case it is still a driver or hardware problem / controller bios.



                Personally I have 2 externally powered HDs and if I add both, last one fails (even by hand 10 sec later, so doesn't seem to be due to spike during boot). The drives are the same. The drives doesn't show up in fdisk -l.



                According to lsusb and usb-devices, MaxPower is 0 mA. According to dmesg device fails due to lack of power. Adding devices by hand result in problems with device #2 (whatever device added last).



                Recognition of certain USB3 hubs is not without problems either. From what I can see Sandberg usb3 hub isn't recognized at all (externally powered usb3 hub). Same hub was recognised in usb2 ports.



                Little unsure if lsusb and usb-devices just reports what the devices tell them and if the errors themselves is in the controller of the hardware. But it definitely seem to be software related at some point.



                Hope I am not too far away from the problem to report it in this post.







                share|improve this answer








                New contributor




                k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                share|improve this answer



                share|improve this answer






                New contributor




                k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                answered 38 mins ago









                k9dog

                11




                11




                New contributor




                k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.





                New contributor





                k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                k9dog is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.



























                     

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