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Sony Xperia acro S (sony-hikari): Difference between revisions

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[[Category:Not booting]]
{{Infobox device
{{Infobox device
| manufacturer = Sony
| manufacturer = Sony
| name = Xperia acro S
| name = Xperia acro S (LT26w)
| codename = hikari
| codename = sony-hikari
| image = File:Sony Xperia acro S.jpg
| image = File:Sony Xperia acro S.jpg
| imagecaption = Sony Xperia acro S with its included dock
| imagecaption = Sony Xperia acro S with its included dock
| releaseyear = 2012
| releaseyear = 2012
| originalsoftware = Android 4.0 (Ice Cream Sandwich), Linux 3.4.0
| originalsoftware = Android
| chipset = Qualcomm MSM8260 Snapdragon S3
| originalversion = 4.0 (Linux 3.4.0)
| cpu = 1.5 GHz Scorpion
| chipset = Qualcomm Snapdragon S3 (MSM8260)
| cpu = 2x 1.5 GHz Scorpion
| gpu = Adreno 220
| gpu = Adreno 220
| storage = 16 GB
| storage = 16 GB
| display = 720 x 1280
| display = 720 x 1280
| memory = 1 GB
| memory = 1 GB
| architecture = armv7
| status_usbnet =
| status_flashing =
| status_touch =
| status_screen =
| status_wifi =
| status_xwayland =
| status_fde =
| status_mainline =
| status_battery =
| status_3d =
| status_accel =
| status_audio =
| status_bluetooth =
| status_camera =
| status_gps =
| status_mobiledata =
| status_sms =
| status_calls =
| status = Uses unusual ELF-format boot.img that is not supported by pmOS
| booting = no
}}
}}


== Contributors ==
== Contributors ==
* intgr
* [[User:Intgr|intgr]]


== Maintainer(s) ==
== What works ==
<!-- Only if this device doesn't run on linux-postmarketos yet! -->
<!-- This person needs to be willing to answer questions from users of this device -->


== What works ==
This device uses a non-standard ELF format boot.img file that is not supported by postmarketOS (yet):
Nothing so far.
% file boot.img
boot.img: ELF 32-bit LSB executable, ARM, version 1 (ARM), statically linked, corrupted section header size
 
[[User:Intgr|intgr]] has a working hacked postmarketOS toolchain for building compatible boot.img files.


== What does not work ==
== What does not work ==
Booting.
==== Downstream kernels ====
After trying out tens of different combinations of kernel sources from the web, I couldn't find any that get as far as initramfs.
The best sources found manage to initialize the display backlight and then crash pretty late in the initialization process with error: [https://gist.github.com/intgr/0aea53457cc7ae4edfaa01cf50807cb7 (see dmesg)]
BUG: Bad page state in process swapper/0  pfn:5dcba
WIP can be seen here: https://gitlab.com/intgr/pmaports/compare/master...device-sony-hikari
==== Mainline kernel ====
No peripherals supported yet, but <code>/dev/last_kmsg</code> can be extracted with a binary kernel (e.g. TWRP). Sadly the boot process appears to hang after executing <code>/init</code>: [https://gist.github.com/intgr/cc5b4e606846e33d6415694084f4aba1 (see dmesg)]
WIP can be seen here: https://gitlab.com/intgr/linux-postmarketos/compare/master...device-sony-hikari


== How to enter flash mode ==
== How to enter flash mode ==
Power off the device. Hold Volume Up as you plug the USB cable into the device.
Power off the device. Hold Volume Up as you plug the USB cable into the device.
Alternatively, perform a hard reset by holding Power and Volume Up buttons. When the device vibrates, release the Power button *first*, and it will boot into fastboot loader.


== Installation ==
== Installation ==
<!-- add more sections below as necessary, e.g. Wifi, photos, ... -->
Follow [https://developer.sony.com/develop/open-devices/get-started/unlock-bootloader Sony's instructions to unlock the bootloader].
 
== See also ==
<!--
Link to related gitlab issues or merge requests like the following (replace CHANGEME with the ID, e.g. 1234):
* {{MR|CHANGEME}} Initial merge request
* {{issue|CHANGEME}} Some related issue
-->

Latest revision as of 04:34, 24 October 2023

This device is marked as not booting.
Status: Uses unusual ELF-format boot.img that is not supported by pmOS
Sony Xperia acro S (LT26w)
Sony Xperia acro S with its included dock
Sony Xperia acro S with its included dock
Manufacturer Sony
Name Xperia acro S (LT26w)
Codename sony-hikari
Released 2012
Hardware
Chipset Qualcomm Snapdragon S3 (MSM8260)
CPU 2x 1.5 GHz Scorpion
GPU Adreno 220
Display 720 x 1280
Storage 16 GB
Memory 1 GB
Architecture armv7
Software
Original software Android
Original version 4.0 (Linux 3.4.0)
postmarketOS
Category testing
Pre-built images no


Contributors

What works

This device uses a non-standard ELF format boot.img file that is not supported by postmarketOS (yet):

% file boot.img
boot.img: ELF 32-bit LSB executable, ARM, version 1 (ARM), statically linked, corrupted section header size

intgr has a working hacked postmarketOS toolchain for building compatible boot.img files.

What does not work

Booting.

Downstream kernels

After trying out tens of different combinations of kernel sources from the web, I couldn't find any that get as far as initramfs.

The best sources found manage to initialize the display backlight and then crash pretty late in the initialization process with error: (see dmesg)

BUG: Bad page state in process swapper/0  pfn:5dcba

WIP can be seen here: https://gitlab.com/intgr/pmaports/compare/master...device-sony-hikari

Mainline kernel

No peripherals supported yet, but /dev/last_kmsg can be extracted with a binary kernel (e.g. TWRP). Sadly the boot process appears to hang after executing /init: (see dmesg)

WIP can be seen here: https://gitlab.com/intgr/linux-postmarketos/compare/master...device-sony-hikari

How to enter flash mode

Power off the device. Hold Volume Up as you plug the USB cable into the device.

Alternatively, perform a hard reset by holding Power and Volume Up buttons. When the device vibrates, release the Power button *first*, and it will boot into fastboot loader.

Installation

Follow Sony's instructions to unlock the bootloader.