17.08.2013 19:41, Alexander Motin пишет: > On 17.08.2013 09:22, Hans Petter Selasky wrote: >> On 08/16/13 22:38, Alexander Panyushkin wrote: >>> ========This deatach========== >>> Aug 16 23:24:05 scorpion kernel: ugen1.2: <Generic> at usbus1 >>> (disconnected) >>> Aug 16 23:24:05 scorpion kernel: umass0: at uhub0, port 4, addr 2 >>> (disconnected) >>> Aug 16 23:24:05 scorpion kernel: (da0:umass-sim0:0:0:0): lost device >>> - 0 >>> outstanding, 2 refs >> >> Hi, >> >> The 2 refs is a problem that someone is keeping the device opened. >> That's the problem and that's what is stopping the enumeration thread. > > 2 refs may be not a CAM bug. One of them can be GEOM reference and > another is open device reference. What were the file systems on the > device and were they active/mounted during detach? > > Just recently I tested hot-plug device with ZFS on 10-CURRENT using > USB sticks and found no problems in either CAM or USB stack around > device disconnect. > On USB device FAT-32 file system. When I removed flash drive, the file system has been unmounted.Received on Sat Aug 17 2013 - 19:55:11 UTC
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