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Subject: [Bug 210695] USB on RPi Zero doesn't notice device disappearance
Date: Wed, 29 Jun 2016 12:34:05 +0000
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X-Bugzilla-Version: 11.0-CURRENT
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X-Bugzilla-Severity: Affects Only Me
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210695

            Bug ID: 210695
           Summary: USB on RPi Zero doesn't notice device disappearance
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: arm
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: arm
          Assignee: freebsd-arm@FreeBSD.org
          Reporter: trasz@FreeBSD.org

FreeBSD 11.0-CURRENT, when running on Raspberry Pi Zero ("bcm283x_dwcotg0: =
<DWC
OTG 2.0 integrated USB controller (bcm283x)> mem 0x980000-0x99ffff irq 1002=
9 on
simplebus0"), doesn't seem to "notice" the device got unplugged.  In other
words, after disconnecting the USB memory stick from the USB cable, "usbcon=
fig"
claims the device is still there:

root@rpi-b:~ # usbconfig=20
ugen0.1: <OTG Root HUB DWCOTG> at usbus0, cfg=3D0 md=3DHOST spd=3DHIGH (480=
Mbps)
pwr=3DSAVE (0mA)
ugen0.2: <DataTraveler 3.0 Kingston> at usbus0, cfg=3D0 md=3DHOST spd=3DHIGH
(480Mbps) pwr=3DON (300mA)

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