Date: Mon, 17 Jun 2019 13:12:37 +0200 From: Matthias Apitz <guru@unixarea.de> To: freebsd-usb@freebsd.org Subject: external USB disk spins off and mount gets destroyed Message-ID: <20190617111237.GA10000@sh4-5.1blu.de>
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Hello,
I've on my laptop (FreeBSD 12.0-CURRENT r314251 amd64) an external USB
disk which presents it like this on plugin:
Jun 17 12:50:10 c720-r342378 kernel: ugen0.4: <TOSHIBA External USB 3.0> at usbus0
Jun 17 12:50:10 c720-r342378 kernel: umass0 on uhub0
Jun 17 12:50:10 c720-r342378 kernel: umass0: <TOSHIBA External USB 3.0, class 0/0, rev 3.00/3.15, addr 7> on usbus0
Jun 17 12:50:10 c720-r342378 kernel: umass0: SCSI over Bulk-Only; quirks = 0x0100
Jun 17 12:50:10 c720-r342378 kernel: umass0:1:0: Attached to scbus1
Jun 17 12:50:10 c720-r342378 kernel: (probe0:umass-sim0:0:0:0): REPORT LUNS. CDB: a0 00 00 00 00 00 00 00 00 10 00 00
Jun 17 12:50:10 c720-r342378 kernel: (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
Jun 17 12:50:10 c720-r342378 kernel: (probe0:umass-sim0:0:0:0): SCSI status: Check Condition
Jun 17 12:50:10 c720-r342378 kernel: (probe0:umass-sim0:0:0:0): SCSI sense: ILLEGAL REQUEST asc:20,0 (Invalid command operation code)
Jun 17 12:50:10 c720-r342378 kernel: (probe0:umass-sim0:0:0:0): Error 22, Unretryable error
Jun 17 12:50:10 c720-r342378 kernel: da0 at umass-sim0 bus 0 scbus1 target 0 lun 0
Jun 17 12:50:10 c720-r342378 kernel: da0: <TOSHIBA External USB 3.0 5438> Fixed Direct Access SPC-4 SCSI device
Jun 17 12:50:10 c720-r342378 kernel: da0: Serial Number 20181017010605F
Jun 17 12:50:10 c720-r342378 kernel: da0: 400.000MB/s transfers
Jun 17 12:50:10 c720-r342378 kernel: da0: 953869MB (1953525164 512 byte sectors)
Jun 17 12:50:10 c720-r342378 kernel: da0: quirks=0x2<NO_6_BYTE>
I've created with gpart(8) file systems like this:
# gpart show -l da0
=> 40 1953525088 da0 GPT (932G)
40 1024 1 extboot (512K)
1064 984 - free - (492K)
2048 536870912 2 extrootfs (256G)
536872960 16777216 3 extswap (8.0G)
553650176 1399873536 4 extbackupfs (668G)
1953523712 1416 - free - (708K)
# mount /dev/gpt/extrootfs /mnt
The problem is, that after some time of idel, the disk spins down and
the mount gets destroyed:
Jun 17 12:52:51 c720-r342378 kernel: ugen0.4: <TOSHIBA External USB 3.0> at usbus0 (disconnected)
Jun 17 12:52:51 c720-r342378 kernel: umass0: at uhub0, port 10, addr 6 (disconnected)
Jun 17 12:52:51 c720-r342378 kernel: da0 at umass-sim0 bus 0 scbus1 target 0 lun 0
Jun 17 12:52:51 c720-r342378 kernel: da0: <TOSHIBA External USB 3.0 5438> s/n 20181017010605F detached
Jun 17 12:52:51 c720-r342378 kernel: (da0:umass-sim0:0:0:0): Periph destroyed
Jun 17 12:52:51 c720-r342378 kernel: umass0: detached
What can I do to avoid this?
matthias
--
Matthias Apitz, ✉ guru@unixarea.de, http://www.unixarea.de/ +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub
May, 9: Спаси́бо освободители! Thank you very much, Russian liberators!
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