Description of problem:
docker run --device /dev/foo bar
for device /dev/foo and image bar fails with error not a device node when /dev/foo is a symlink, i.e.,
ls -l /dev/foo
lrwxrwxrwx 1 root root 15 Jun 3 12:00 /dev/foo -> bus/usb/001/001
docker version:
Client version: 1.6.2
Client API version: 1.18
Go version (client): go1.4.2
Git commit (client): 7c8fca2
OS/Arch (client): linux/amd64
Server version: 1.6.2
Server API version: 1.18
Go version (server): go1.4.2
Git commit (server): 7c8fca2
OS/Arch (server): linux/amd64
docker info:
Containers: 1
Images: 25
Storage Driver: aufs
Root Dir: /var/lib/docker/aufs
Backing Filesystem: extfs
Dirs: 27
Dirperm1 Supported: false
Execution Driver: native-0.2
Kernel Version: 3.13.0-53-generic
Operating System: Ubuntu 14.04.2 LTS
CPUs: 2
Total Memory: 3.861 GiB
Name: ubuntu-trusty-64
ID: WXES:XW57:N4Z7:AOQX:HABC:OTLC:6MUG:IXRP:I3R6:GQTE:N3LN:N52B
WARNING: No swap limit support
uname -a:
Linux ubuntu-trusty-64 3.13.0-53-generic #89-Ubuntu SMP Wed May 20 10:34:39 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Environment details (AWS, VirtualBox, physical, etc.):
VirtualBox 4.3.28 r100309 with VirtualBox Extension Pack 4.3.28 r100309 and VirtualBox Guest Additions 4.3.10_Ubuntu.
How reproducible:
Always
Steps to reproduce:
sudo ln -s /dev/bus/usb/001/001 /dev/foodocker run --device /dev/foo ubuntu:14.04
Actual results:
FATA[0000] Error response from daemon: Cannot start container 077b1d4bc363: error gathering device information while adding custom device "/dev/foo": not a device node
Expected results:
No fatal error and the same results as running
docker run --device /dev/bus/usb/001/001 ubuntu:14.04
Additional info:
In reality the symlinks to devices are created by udev rules:
SUBSYSTEM=="usb", ATTRS{serial}=="XXXXXXXX", SYMLINK+="foo"
Description of problem:
for device
/dev/fooand imagebarfails with errornot a device nodewhen/dev/foois a symlink, i.e.,docker version:docker info:uname -a:Environment details (AWS, VirtualBox, physical, etc.):
VirtualBox 4.3.28 r100309 with VirtualBox Extension Pack 4.3.28 r100309 and VirtualBox Guest Additions 4.3.10_Ubuntu.
How reproducible:
Always
Steps to reproduce:
sudo ln -s /dev/bus/usb/001/001 /dev/foodocker run --device /dev/foo ubuntu:14.04Actual results:
Expected results:
No fatal error and the same results as running
Additional info:
In reality the symlinks to devices are created by
udevrules: