[Bug 247727] umass(4) fails when the DropCam device is connected

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247727

Hans Petter Selasky <hselasky at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hselasky at FreeBSD.org

--- Comment #1 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
This device appears to be quirked:

% grep -r 0xa4a5 sys/dev/usb/
sys/dev/usb/usbdevs:product NETCHIP POCKETBOOK  0xa4a5  PocketBook
% grep -r POCKETBOOK sys/dev/usb/
sys/dev/usb/quirk/usb_quirk.c:  USB_QUIRK(NETCHIP, POCKETBOOK, 0x0000, 0xffff,
UQ_MSC_NO_SYNC_CACHE),

Maybe that's the reason its failing?

Else you can try running:

usbdump -i usbusX -f Y -s 65536 -vvv

To capture all the USB traffic. It will make it more clear when the error
happens!

--HPS

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