Information is unavailable on "Gpio" page in powerdebug 0.7.1 with vexpress A9 Android.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linaro Android |
Fix Released
|
Undecided
|
Unassigned | ||
Linaro PMWG Powerdebug |
Fix Released
|
High
|
sanjay singh rawat |
Bug Description
On ARM Versatile Express A9 board with Linaro Android image:
https:/
Information is unavailable on "Clocks" & "Gpio" after launched powerdebug version 0.7.1, error output shows as below:
root@vexpress:/ # powerdebug
failed to initialize clock details (check debugfs)
error: unable to open directory /sys/class/gpio
failed to initialize gpios
root@vexpress:/ #
Please refer to attachment to get snapshot pictures.
Note:
Please run powerdebug in ADB shell, which the output is well formatted, however the failure is same as run in serial console.
Latest update for this bug is the behaviour shows as described in comment #9, only GPIO information is unavailable.
For the bug on Samsung Arndale Android, please refer to:
https:/
For the bug on TI Panda Android, please refer to:
https:/
#######
This issue is observed on following images:
https:/
https:/
https:/
https:/
https:/
#######
From build #247, only "Gpio" page is empty:
https:/
https:/
https:/
https:/
https:/
https:/
https:/
https:/
Changed in linaro-powerdebug: | |
assignee: | nobody → shaojie.sun (shaojie-sun) |
importance: | Undecided → High |
description: | updated |
summary: |
Information is unavailable on "Clocks" & "Gpio" pages in powerdebug - 0.7.1 + 0.7.1 with vexpress A9 Android |
description: | updated |
description: | updated |
description: | updated |
description: | updated |
description: | updated |
tags: | added: android-kitkat |
summary: |
Information is unavailable on "Clocks" & "Gpio" pages in powerdebug - 0.7.1 with vexpress A9. - Android KitKat + 0.7.1 with vexpress A9 Android. |
description: | updated |
Changed in linaro-powerdebug: | |
assignee: | shaojie.sun (shaojie-sun) → sanjay singh rawat (sanjay-rawat) |
description: | updated |
summary: |
- Information is unavailable on "Clocks" & "Gpio" pages in powerdebug - 0.7.1 with vexpress A9 Android. + Information is unavailable on "Gpio" page in powerdebug 0.7.1 with + vexpress A9 Android. |
description: | updated |
description: | updated |
description: | updated |
description: | updated |
description: | updated |
description: | updated |
File structures on ARM Versatile Express A9 board with Linaro Android image:
https:/ /android- build.linaro. org/builds/ ~linaro- android/ vexpress- linaro- 13.09-release/ #build= 6
root@vexpress: /sys/kernel/ debug # ls -la /sys/kernel/ debug #
drwxr-xr-x root root 1970-01-01 00:00 bdi
drwxr-xr-x root root 1970-01-01 00:00 binder
drwxr-xr-x root root 1970-01-01 00:00 extfrag
-r--r--r-- root root 0 1970-01-01 00:00 gpio
drwxr-xr-x root root 1970-01-01 00:00 hid
drwxr-xr-x root root 1970-01-01 00:00 memblock
drwxr-xr-x root root 1970-01-01 00:00 mmc0
drwxr-xr-x root root 1970-01-01 00:00 regulator
-rw-r--r-- root root 0 1970-01-01 00:00 sched_features
-rw-r--r-- root root 0 1970-01-01 00:00 shrinker
-r--r--r-- root root 0 1970-01-01 00:00 sleep_time
-r--r--r-- root root 0 1970-01-01 00:00 suspend_stats
drwxr-xr-x root root 1970-01-01 00:00 tracing
drwxr-xr-x root root 1970-01-01 00:00 usb
-r--r--r-- root root 0 1970-01-01 00:00 wakeup_sources
root@vexpress: