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Message #02432
[Bug 1087544] Re: Device Tree directory is empty on Linux Linaro Panda 4430.
Now on TI Panda 4430 with Linux Linaro ubuntu Quantal image:
http://snapshots.linaro.org/quantal/pre-built/panda/249/panda-
quantal_developer_20130217-249.img.gz
Device Tree works well.
root@localhost:~# cat /proc/device-tree/model
TI OMAP4 PandaBoard
root@localhost:~# cd /proc/device-tree/
root@localhost:/proc/device-tree# ls -la
total 0
-r--r--r-- 1 root root 4 Feb 17 07:07 #address-cells
-r--r--r-- 1 root root 4 Feb 17 07:07 #size-cells
dr-xr-xr-x 14 root root 0 Feb 17 07:07 .
dr-xr-xr-x 83 root root 0 Jan 1 1970 ..
dr-xr-xr-x 2 root root 0 Feb 17 07:07 aliases
dr-xr-xr-x 2 root root 0 Feb 17 07:07 chosen
-r--r--r-- 1 root root 36 Feb 17 07:07 compatible
dr-xr-xr-x 4 root root 0 Feb 17 07:07 cpus
dr-xr-xr-x 2 root root 0 Feb 17 07:07 interrupt-controller@48241000
-r--r--r-- 1 root root 4 Feb 17 07:07 interrupt-parent
dr-xr-xr-x 2 root root 0 Feb 17 07:07 l2-cache-controller@48242000
dr-xr-xr-x 4 root root 0 Feb 17 07:07 leds
dr-xr-xr-x 2 root root 0 Feb 17 07:07 local-timer@0x48240600
dr-xr-xr-x 4 root root 0 Feb 17 07:07 lpddr2
dr-xr-xr-x 2 root root 0 Feb 17 07:07 memory
-r--r--r-- 1 root root 20 Feb 17 07:07 model
-r--r--r-- 1 root root 1 Feb 17 07:07 name
dr-xr-xr-x 50 root root 0 Feb 17 07:07 ocp
dr-xr-xr-x 5 root root 0 Feb 17 07:07 soc
dr-xr-xr-x 2 root root 0 Feb 17 07:07 sound
** Changed in: linaro-ubuntu
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1087544
Title:
Device Tree directory is empty on Linux Linaro Panda 4430.
Status in Linaro Texas Instruments Landing Team:
Won't Fix
Status in Linaro Ubuntu Engineering Builds:
Fix Released
Bug description:
On TI Panda 4430 board with Linux Linaro image:
http://snapshots.linaro.org/quantal/pre-built/panda/9/panda-
quantal_developer_20121206-9.img.gz
Device Tree directory is empty:
root@linaro-developer:/proc/device-tree# pwd
/proc/device-tree
root@linaro-developer:/proc/device-tree# ls -l
total 0
root@linaro-developer:/proc/device-tree#
However, the device tree related log exists in boot log:
## Flattened Device Tree blob at 815f0000
Booting using the fdt blob at 0x815f0000
Loading Kernel Image ... OK
OK
reserving fdt memory region: addr=9d000000 size=3000000
Using Device Tree in place at 815f0000, end 815f37e1
Starting kernel ...
###################################################################################
This issue is observed on following images:
http://snapshots.linaro.org/quantal/pre-built/panda/9/panda-quantal_developer_20121206-9.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/12/panda-quantal_developer_20121209-12.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/20/panda-quantal_developer_20121217-20.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/41/panda-quantal_developer_20130107-41.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/44/panda-quantal_developer_20130114-44.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/51/panda-quantal_developer_20130121-51.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/58/panda-quantal_developer_20130128-58.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/68/panda-quantal_developer_20130204-68.img.gz
http://snapshots.linaro.org/quantal/pre-built/panda/71/panda-quantal_developer_20130207-71.img.gz
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