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X-HELO:	calimero.vinschen.de
Date:	Fri, 10 Jun 2016 12:00:27 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: missing partitions under /dev
Message-ID:	<20160610100027.GD15058@calimero.vinschen.de>
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On Jun  9 17:57, Aaron Schneider wrote:
> I've connected a LG G2 via usb to the computer which shows as
> "LG Electronics Inc. QHUSB_BULK" on Vmware workstation and
> Oracle=C2=A0Virtualbox. The device has more partitions that those
> shown under=C2=A0/dev on Cygwin as shows:
>=20
> ls /dev/sdc*
> /dev/sdc =C2=A0 /dev/sdc10 =C2=A0/dev/sdc12 =C2=A0/dev/sdc14 =C2=A0/dev/s=
dc2=C2=A0
> /dev/sdc4 =C2=A0/dev/sdc6 =C2=A0/dev/sdc8=C2=A0/dev/sdc1 =C2=A0/dev/sdc11=
=C2=A0/dev/sdc13=C2=A0
> /dev/sdc15 =C2=A0/dev/sdc3 =C2=A0/dev/sdc5 =C2=A0/dev/sdc7 =C2=A0/dev/sdc9
>=20
> However:
>=20
> $ /sbin/fdisk.exe -l /dev/sdc
>=20
> Disk /dev/sdc: 29.1 GiB, 31268536320 bytes, 61071360 sectors
> Units: sectors of 1 * 512 =3D 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: gpt
> Disk identifier: (removed)
>=20
> Device =C2=A0 =C2=A0 =C2=A0 =C2=A0Start =C2=A0 =C2=A0 =C2=A0End =C2=A0Sec=
tors =C2=A0Size Type
> /dev/sdc1 =C2=A0 =C2=A0 32768 =C2=A0 163839 =C2=A0 131072 =C2=A0 64M Micr=
osoft basic data
> /dev/sdc2 =C2=A0 =C2=A0163840 =C2=A0 165887 =C2=A0 =C2=A0 2048 =C2=A0 =C2=
=A01M unknown
> /dev/sdc3 =C2=A0 =C2=A0165888 =C2=A0 166911 =C2=A0 =C2=A0 1024 =C2=A0512K=
 unknown
> /dev/sdc4 =C2=A0 =C2=A0196608 =C2=A0 197631 =C2=A0 =C2=A0 1024 =C2=A0512K=
 unknown
> /dev/sdc5 =C2=A0 =C2=A0229376 =C2=A0 231423 =C2=A0 =C2=A0 2048 =C2=A0 =C2=
=A01M unknown
> /dev/sdc6 =C2=A0 =C2=A0231424 =C2=A0 233471 =C2=A0 =C2=A0 2048 =C2=A0 =C2=
=A01M unknown
> /dev/sdc7 =C2=A0 =C2=A0262144 =C2=A0 294911 =C2=A0 =C2=A032768 =C2=A0 16M=
 unknown
> /dev/sdc8 =C2=A0 =C2=A0294912 =C2=A0 296959 =C2=A0 =C2=A0 2048 =C2=A0 =C2=
=A01M unknown
> /dev/sdc9 =C2=A0 =C2=A0296960 =C2=A0 296961 =C2=A0 =C2=A0 =C2=A0 =C2=A02 =
=C2=A0 =C2=A01K Microsoft basic data
> /dev/sdc10 =C2=A0 327680 =C2=A0 333823 =C2=A0 =C2=A0 6144 =C2=A0 =C2=A03M=
 unknown
> /dev/sdc11 =C2=A0 333824 =C2=A0 339967 =C2=A0 =C2=A0 6144 =C2=A0 =C2=A03M=
 unknown
> /dev/sdc12 =C2=A0 339968 =C2=A0 339969 =C2=A0 =C2=A0 =C2=A0 =C2=A02 =C2=
=A0 =C2=A01K unknown
> /dev/sdc13 =C2=A0 360448 =C2=A0 393215 =C2=A0 =C2=A032768 =C2=A0 16M unkn=
own
> /dev/sdc14 =C2=A0 393216 =C2=A0 458751 =C2=A0 =C2=A065536 =C2=A0 32M Micr=
osoft basic data
> /dev/sdc15 =C2=A0 458752 =C2=A0 491519 =C2=A0 =C2=A032768 =C2=A0 16M unkn=
own
> /dev/sdc16 =C2=A0 491520 =C2=A0 497663 =C2=A0 =C2=A0 6144 =C2=A0 =C2=A03M=
 unknown
> /dev/sdc17 =C2=A0 524288 =C2=A0 525311 =C2=A0 =C2=A0 1024 =C2=A0512K unkn=
own
> /dev/sdc18 =C2=A0 525312 =C2=A0 526335 =C2=A0 =C2=A0 1024 =C2=A0512K unkn=
own
> /dev/sdc19 =C2=A0 526336 =C2=A0 526337 =C2=A0 =C2=A0 =C2=A0 =C2=A02 =C2=
=A0 =C2=A01K unknown
> /dev/sdc20 =C2=A0 526338 =C2=A0 527361 =C2=A0 =C2=A0 1024 =C2=A0512K unkn=
own
> /dev/sdc21 =C2=A0 557056 =C2=A0 573439 =C2=A0 =C2=A016384 =C2=A0 =C2=A08M=
 Microsoft basic data
> /dev/sdc22 =C2=A0 573440 =C2=A0 589823 =C2=A0 =C2=A016384 =C2=A0 =C2=A08M=
 Microsoft basic data
> /dev/sdc23 =C2=A0 589824 =C2=A0 655359 =C2=A0 =C2=A065536 =C2=A0 32M unkn=
own
> /dev/sdc24 =C2=A0 655360 =C2=A0 720895 =C2=A0 =C2=A065536 =C2=A0 32M unkn=
own
> /dev/sdc25 =C2=A0 720896 =C2=A0 786431 =C2=A0 =C2=A065536 =C2=A0 32M Micr=
osoft basic data
> /dev/sdc26 =C2=A0 786432 =C2=A0 787455 =C2=A0 =C2=A0 1024 =C2=A0512K unkn=
own
> /dev/sdc27 =C2=A0 787456 =C2=A0 789503 =C2=A0 =C2=A0 2048 =C2=A0 =C2=A01M=
 unknown
> /dev/sdc28 =C2=A0 789504 =C2=A0 791551 =C2=A0 =C2=A0 2048 =C2=A0 =C2=A01M=
 unknown
> /dev/sdc29 =C2=A0 791552 =C2=A0 791567 =C2=A0 =C2=A0 =C2=A0 16 =C2=A0 =C2=
=A08K unknown
> /dev/sdc30 =C2=A0 819200 =C2=A06488063 =C2=A05668864 =C2=A02.7G Microsoft=
 basic data
> /dev/sdc31 =C2=A06488064 =C2=A07733247 =C2=A01245184 =C2=A0608M Microsoft=
 basic data
> /dev/sdc32 =C2=A07733248 =C2=A07897087 =C2=A0 163840 =C2=A0 80M Microsoft=
 basic data
> /dev/sdc33 =C2=A07897088 =C2=A07929855 =C2=A0 =C2=A032768 =C2=A0 16M Micr=
osoft basic data
> /dev/sdc34 =C2=A07929856 =C2=A08028159 =C2=A0 =C2=A098304 =C2=A0 48M Micr=
osoft basic data
> /dev/sdc35 =C2=A08028160 60948479 52920320 25.2G Microsoft basic data
> /dev/sdc36 60948480 61071326 =C2=A0 122847 =C2=A0 60M Microsoft basic data
>=20
> I would like to access partitions that are listed by fdisk but aren't und=
er /dev.
> How can I do, for example to use dd to read from or write to one of those
> "hidden" partitions?

Cygwin's /dev/sd* emulation doesn't support more than 15 partitions yet.
This would need some rework of the device naming code.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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