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May 4, 2011 // 2:24 am - Today PlayStation 3 hacker Geoffrey Levand (or at least someone using his name) has released a PS3 Dual Boot GameOS / Linux Custom Firmware (CFW) which allows the dual-booting of both GameOS and OtherOS.

PS3 Custom Firmware Downloads: (Updated file links HERE!)

PS3 Custom Firmware Download Mirrors:

PS3 CFW Tools:

PS3 Dual Boot GameOS / Linux CFW

Note: Currently to start OtherOS. boot_otheros.pkg then reboot.pkg and that will load petitboot. Slim users (Version 1.0-r0) you must unload the slim usb drivers in order to boot.

ps3mfw/tasks/patch_profile.tcl is to be considered unstable and should not be used at this time.

All tools beep twice if they succeed !!!

Source code for all tools and patches is freely available. Create your own dual boot.


  • Into HV integrated OtherOS bootloader loader (compatible with OtherOS bootloader on 3.15)
  • OtherOS bootloader is booted directly from HV, no GameOS is involved.
  • Process of booting OtherOS bootloader loader is very similar to 3.15 method
  • Booting Linux from HDD/USB/BD/Network
  • Linux with GameOS rights
  • Full access to all HV SS services (Dispatcher Manager) from GameOS or Linux
  • Full access to all System Manager services
  • Ability to create/modify/remove repository nodes in LPAR 1 (e.g. with ps3dm-utils or ps3hvc-utils). This ability gives you much power over the whole system because many layers of PS3 use repository nodes to exchange information.
  • Enabled QA mode in Update Manager
  • Downgrading without USB dongle or Service Mode
  • Ability to deactivate/activate HDD/VFLASH encryption (e.g. with ps3stor-utils)
  • Suuport for ps3-utils. You can flash new OtherOS bootloader from Linux e.g.


  • Tested 3.41 and 3.55 on PS3 Slim with Gentoo and Debian Squeeze but should work on PS3 Fat without problems
  • Bug reports are welcome, send it please to [email][email protected][/email]

Work in progress:

  • Creating OtherOS partitions directly on HDD (not VFLASH)
  • Permanently disabling HDD/VFLASH encryption
  • Mapping of HTAB with R/W permission
  • SYSCON access from LPAR 2
  • FreeBSD support

Installing OtherOS bootloader

  • Tested ONLY on PS3 models with VFLASH
  • During deleting of VFLASH regions GameOS will ask you to reinstall firmware, don't do it, just press PS3 button and continue
  • I use petitboot as OtherOS bootloader. You could use a different one.
  • The following order of steps is important
  • Delete VFLASH region 6
  • Delete VFLASH region 5
  • Create VFLASH region 5
  • Create VFLASH region 6
  • Install OtherOS bootloader on VFLASH with "Install OtherOS"

Booting OtherOS bootloader

  • Run "Boot OtherOS"
  • Reboot GameOS with "Reboot"

Creating a VFLASH partition for Linux


  • Works ONLY on PS3 models with VFLASH
  • Warning: All your HDD data will be lost, so make a backup
  • I'm currently working on a solution for PS3 models with NAND flash
  • Resize VFLASH (creates a 40GB free space on VFLASH, if you need more then feel free to recompile it)
  • Reboot GameOS
  • Create VFLASH region 7

Installing Linux with petitboot

Installing Gentoo GNU/Linux from a Unix/Linux System

Partitioning with fdisk


  • I used petitboot to install Debian and Gentoo on VFLASH
  • I used fdisk to partition ps3vflashh
  • Make sure you create a swap partition
  • Creating a ready to use Linux distribution images is a work in progress

Booting Linux with petitboot


  • USB driver in petitboot has problems on PS3 Slim. The problem lies in Linux USB driver.
  • Currently i'm trying to fix this problem in Linux kernel
  • I temporarily use my script to boot a Linux installed on VFLASH from petitboot

PS3 Dual Boot GameOS / Linux Custom Firmware (CFW) Arrives

PS3 Dual Boot GameOS / Linux Custom Firmware (CFW) Arrives

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#50 - joblo1969 - December 12, 2014 // 6:33 pm
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wow thanks

#49 - vagkar - December 12, 2014 // 6:29 pm
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#48 - PS4 News - June 21, 2012 // 4:20 pm
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Just guessing, but did you already try the username as root and "password" or "passwd" (without quotes) for the password?

#47 - technodon - June 21, 2012 // 4:03 pm
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#46 - CJPC - June 21, 2012 // 3:55 pm
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Try using:

Username: root
Password: root

#45 - technodon - June 21, 2012 // 2:46 pm
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this worked fine, but when i boot into debian its asking me for a username then password. could you help?

#44 - PS4 News - June 20, 2012 // 3:48 pm
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Here is the ps3linux_kernel.tar.bz2 I had from my PC, not sure if it's the same build but worth a try:

#43 - technodon - June 20, 2012 // 12:43 pm
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request: please could someone upload ps3linux_kernel.tar.bz2 all the links seem to be broken. thanks

#42 - PS4 News - August 13, 2011 // 7:35 pm
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Here is another update from Gitbrew on FrankenSDK via GaryOPA:

Recently the developers over at Gitbrew have been working on a number of neat projects around the PS3 Console, and we being in close contact with them, and gotten a preview of something that will make everyone more then happy in PS3 'Scene'!

We are talking about NPDRM and the v3.60+ problem. -- Previously only those with an official Sony PS3 SDK could do anything, and still in a limited fashion, and recently the developers have been able to use a heavly modified PSL1GHT setup to do the impossible, sign a package for the v3.60+ system!

What they are calling FrankenSDK, and here is example test output from the project:

[Register or Login to view code]

All they can add for now regarding the subject is they are working diligently towards opening their tools up to everyone incuding those with the mystery science console 3000 and they are now one step closer to working PUP's for v3.60 and beyond! -- Being able to use an open-source project like PSL1GHT means it will open up the playing field to EVERYONE!

Following up on it, Sony PS3 hacker ooPo tweeted the following hinting a PSP will be required for the exploit:
I imagine the PS3 trusts a PSP in ways it probably shouldn't.

#41 - brokendef - July 3, 2011 // 11:48 am
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Stuck here: 10. Run script

How do I do that using a USB??