[issue563] strange bug with USB hdd

[Alexander Shiryaev <bugs@xxxxxxxxxxxxxxxxxxxxxxx>]

New submission from Alexander Shiryaev <coumarin@gmail.com>:

I have strange and awful bug:

I installed DF on USB HDD #1, then I boot DF from USB HDD #1 and install DF to 
USB HDD #2 (make installworld DESTDIR=/mnt/da1). This operation damages 
filesystem of USB HDD #1.

Both USB HDDs on the same USB controller:

# usbdevs
addr 1: UHCI root hub, Intel
addr 1: UHCI root hub, Intel
addr 1: UHCI root hub, Intel
addr 1: UHCI root hub, Intel
addr 1: EHCI root hub, Intel
 addr 2: JM20338 SATA, USB Combo, JMicron
 addr 3: USB TO IDE, vendor 0x05e3

TGEN suspect bug in the USB stack

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messages: 2293
nosy: aix-d
priority: urgent
status: unread
title: strange bug with USB hdd

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DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue563>
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