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Don't work report - Buffalo BSH4A05U3BK #584

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suica-me opened this issue Sep 1, 2024 · 3 comments
Closed

Don't work report - Buffalo BSH4A05U3BK #584

suica-me opened this issue Sep 1, 2024 · 3 comments

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@suica-me
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suica-me commented Sep 1, 2024

Hello, thank you so much for your work!

I want to report that Buffalo BSH4A05U3BK maybe do not have a good power switching.
I try to use this to control my fan, but the fan just keeping work when I power off the hub.

The output of uhubctl and voltage test.

$ uhubctl          
Current status for hub 3-2 [05e3:0610 GenesysLogic USB2.0 Hub, USB 2.10, 4 ports, ppps]
  Port 1: 0100 power
  Port 2: 0100 power
  Port 3: 0100 power
  Port 4: 0100 power
Current status for hub 2-2 [05e3:0617 GenesysLogic USB3.0 Hub, USB 3.00, 4 ports, ppps]
  Port 1: 02a0 power 5gbps Rx.Detect
  Port 2: 02a0 power 5gbps Rx.Detect
  Port 3: 02a0 power 5gbps Rx.Detect
  Port 4: 02a0 power 5gbps Rx.Detect
$ uhubctl -a 0
$ uhubctl     
Current status for hub 3-2 [05e3:0610 GenesysLogic USB2.0 Hub, USB 2.10, 4 ports, ppps]
  Port 1: 0000 off
  Port 2: 0000 off
  Port 3: 0000 off
  Port 4: 0000 off
Current status for hub 2-2 [05e3:0617 GenesysLogic USB3.0 Hub, USB 3.00, 4 ports, ppps]
  Port 1: 00a0 off
  Port 2: 00a0 off
  Port 3: 00a0 off
  Port 4: 00a0 off

image

You can see the hub still have a 5V voltage.
@mvp
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mvp commented Sep 1, 2024

Thanks for your report! I guess we need to remove this hub from supported list 😢.
I'm trying really hard to only add hubs that truly support vbus off, but unfortunately, people who report working hubs are not always doing comprehensive vbus tests...
To the best of my knowledge, number of such hubs in supported list should be very low.

@mvp mvp closed this as completed in bfc11e6 Sep 1, 2024
@suica-me
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suica-me commented Sep 1, 2024

Thank you for your reply!
I totally agree, but it really isn't always easy for everyone to do an vbus test.
Thanks again for you work! I'll keep looking for a hub that works 😂.

@mvp
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mvp commented Sep 1, 2024

Removed from supported list in bfc11e6b.

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@mvp @suica-me