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On Thursday, 14 July 2022 18:42:10 BST Mark Knecht wrote: |
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> Does anyone have experience with what causes random USB disconnects in a |
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> Virtualbox VM and possibly how to fix them? |
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> |
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> I have a new external DSP processor box that connects to Windows host |
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> software over USB. If I dual boot my Linux box into Win10 the control |
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> software works fine for as long as I want to use it. Communication is |
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> bi-directional and everything is great. |
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> |
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> If instead I'm in Linux with a Win10 VM running I can run the same software |
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> in the VM, and it will always see the external DSP when first started, but |
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> at random times, generally 5-20 seconds but never more than 5 minutes, the |
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> software will tell me the USB connection has been interrupted and I am |
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> forced in the software to reestablish a connection. I am always able to |
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> reconnect but I am so far unable to keep it connected. |
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> |
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> I've tried the VB USB 1.1, 2.0 and 3.0 virtual interfaces. Only 3.0 works |
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> at all. |
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> |
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> I have tried multiple USB ports on the host machine. All work in native |
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> Windows. All work in Virtualbox but all disconnect. |
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> |
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> I see absolutely no messages of any type about USB disconnection in dmesg. |
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> I don't know where else to look. |
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> |
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> The Virtualbox logs aren't clear to me so I'm studying those at this time, |
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> as well as asking in the VIrtualbox forums and here. |
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> |
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> Thanks in advance, |
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> Mark |
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|
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I don't recall having noticed a similar problem with different USB devices on a |
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Win10 VM here, but just in case have you checked USB power saving settings? |
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|
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https://www.windowscentral.com/how-prevent-windows-10-turning-usb-devices |
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