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Author Topic: XBReboot Slow Down Thread  (Read 15585 times)
ColonelPannick
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« Reply #100 on: December 26, 2009, 03:07:36 AM »

From what I've read, both freeBoot and XBReboot use the same patches. It isn't the patches that are causing issues, its XBRs 'patch engine'.

From what i've gathered so far..

Freeboot uses two NANDS, the first nand runs the jtag hack and SMC hacks, then switches (or you manually switch) to the second NAND for the reboot. this NAND contains a pre-patched kernel and everything in this nand is exacly in the memory location it would be on a stock image.

XBR however, boots up and reboots the xbox to start running the new kernel from an alternate memory location. Knowing MS there are probably some hard set memory locations and system calls in the xdk that need to be caught and relocated so xex's don't outright crash. Whatever XBR is using to hook into the system and remap these calls is most likely causing a memory leak somewhere. This would explain why some games last longer and the same spot in some games doesn't lock up every time.

If i knew ppc assembler i might be some help but I pretend to have a life most days. Wink

I keep hoping to see an updated xbr bin come out, but i might just drop the nand from my donor xbox on piggybank and run a manual switch freeboot until then Roll Eyes
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keine
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« Reply #101 on: December 26, 2009, 04:42:40 AM »

Wow, it sounds alot worse than just one bad patch, assuming that prediction is correct. Hooking and relocating functions calls..... Shocked
but interesting, on the catching aspects of a relocated kernel.

« Last Edit: December 26, 2009, 05:03:03 AM by keine » Logged
maximilian0017
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« Reply #102 on: December 26, 2009, 04:54:18 AM »

From what I've read, both freeBoot and XBReboot use the same patches. It isn't the patches that are causing issues, its XBRs 'patch engine'.

Are you sure of that? Smiley, i would personnaly think that the patch engine would be the same tpghether with all the standard hacking patches but there would be more patches in the XBR version for the reasons you stated(and i didn't go into in this thread).
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scan
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« Reply #103 on: December 26, 2009, 06:25:41 AM »

Jasper 512mb
Prince of Persia Clasic - Crash after 10 seconds - everytime :-(
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wes11ph
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« Reply #104 on: December 26, 2009, 07:28:10 AM »

see this thread ikari?

the best way is to wait for the xbr update, i know they are aware of this bug.
« Last Edit: December 26, 2009, 07:59:13 AM by wes11ph » Logged

he's on Wii Disc

BTW: Warning to noobs! use "search" or be slapped on the face!
maximilian0017
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« Reply #105 on: December 26, 2009, 10:20:30 AM »

see this thread ikari?

The man/woman is probably aware of the situation

the best way is to wait for the xbr update, i know they are aware of this bug.

If you can debug or find a reason for the slowdowns before Ikari can find it i think he would be happy about it, if not please wait until someone figures it out.

I'ts the hacker way to share your findings so that others can improve/expand on the idea and that we all learn something.
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Blackaddr
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« Reply #106 on: December 26, 2009, 11:05:01 AM »

ikari did Freeboot, not XBR.  I wouldn't expect him to fix the problem for you!

XBR development team or individual is completely anonymous.
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Do not take anything I say as gospel, use your own judgement, make your own decisions.

Please pay attention to which sub-forums are for Research and Technical discussion. The following are NOT for help with and troubleshooting existing hacks.
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le_uberfry
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« Reply #107 on: December 26, 2009, 11:31:37 AM »

From what I've read, both freeBoot and XBReboot use the same patches. It isn't the patches that are causing issues, its XBRs 'patch engine'.

From what i've gathered so far..

Freeboot uses two NANDS, the first nand runs the jtag hack and SMC hacks, then switches (or you manually switch) to the second NAND for the reboot. this NAND contains a pre-patched kernel and everything in this nand is exacly in the memory location it would be on a stock image.

XBR however, boots up and reboots the xbox to start running the new kernel from an alternate memory location. Knowing MS there are probably some hard set memory locations and system calls in the xdk that need to be caught and relocated so xex's don't outright crash. Whatever XBR is using to hook into the system and remap these calls is most likely causing a memory leak somewhere. This would explain why some games last longer and the same spot in some games doesn't lock up every time.

If i knew ppc assembler i might be some help but I pretend to have a life most days. Wink
Oh hey! You might be right! But that's a 50/50 chance you're taking there, so you can't really be sure, right?
Maybe if you actually knew PPC, you would know that imports aren't actually hard-coded?
Do you even know what a memory leak is (without googling it right away)?
But either way, MS knew about XBR (and its apparent flaws) before it was released?  Roll Eyes
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I had a blast at the party yesterday!
Oh wait, what you mean you weren't invited? It was in your mouth and everyone came!
maximilian0017
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« Reply #108 on: December 26, 2009, 11:43:19 AM »

ikari did Freeboot, not XBR.  I wouldn't expect him to fix the problem for you!

XBR development team or individual is completely anonymous.

Ok, thanks for the info, figured that the almost simultanious release was a sign that they were developed together and that the tech behind it was the same.
Never took a look at XBR for how they were patched.

Are the XBR patches patched into the individual files or is there also a patch engine at work?
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ColonelPannick
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« Reply #109 on: December 26, 2009, 02:20:20 PM »

Oh hey! You might be right! But that's a 50/50 chance you're taking there, so you can't really be sure, right?
Maybe if you actually knew PPC, you would know that imports aren't actually hard-coded?
Do you even know what a memory leak is (without googling it right away)?
But either way, MS knew about XBR (and its apparent flaws) before it was released?  Roll Eyes

I'm coming from x86 land so i cant argue with that :-P. But there still needs to be some memory locations hard coded for the system to actually know where to start running code. I liken it to PC BIOS calls.

Memory leak is when a function allocates memory then doesn't release it, which if some modification is being recursively called for whatever reason would do it.
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Shaun
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« Reply #110 on: December 26, 2009, 02:32:24 PM »

But either way, MS knew about XBR (and its apparent flaws) before it was released?  Roll Eyes

Discuss......
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ColonelPannick
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« Reply #111 on: December 26, 2009, 03:11:08 PM »

But either way, MS knew about XBR (and its apparent flaws) before it was released?  Roll Eyes

Discuss......

I was making a joke at the expense of MS coding practices for possibly using static memory locations for system calls in the XDK. I think the replier misunderstood that. If this is really the case then its more XBR not knowing about MS's apparently flaws before it was released...
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HuHu
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« Reply #112 on: December 26, 2009, 03:14:36 PM »

Why do you people hate me?
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maximilian0017
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« Reply #113 on: December 26, 2009, 06:28:45 PM »

Discuss......

MS made XBR.......
MS has a secret plot to get us to kill our xboxes so we need to get another xbox, sales go UP!!

They will probably send the KILL command any time now to the secret internal Dvb-T reciever inside the xbox to all XBR and Freeboot xboxes(you know the little black chip in the back under the metal security plate)

That is also the reason for all the Noob attacks, they want to keep us busy and of their tracks.

(This was an attempt at sarcasm, no need to worry, LOL)
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HuHu
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« Reply #114 on: December 26, 2009, 06:42:46 PM »

Discuss......

MS made XBR.......
MS has a secret plot to get us to kill our xboxes so we need to get another xbox, sales go UP!!

They will probably send the KILL command any time now to the secret internal Dvb-T reciever inside the xbox to all XBR and Freeboot xboxes(you know the little black chip in the back under the metal security plate)

That is also the reason for all the Noob attacks, they want to keep us busy and of their tracks.

(This was an attempt at sarcasm, no need to worry, LOL)

Please leave the forums. Thanks.
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keine
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« Reply #115 on: December 26, 2009, 08:09:34 PM »

knowing some ppc64 instructions, does NOT equate to knowing jack about anything going on in this forum.

what is an import?
is the hooking thing really true? is that how this is working?
« Last Edit: December 26, 2009, 08:20:56 PM by keine » Logged
le_uberfry
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« Reply #116 on: December 26, 2009, 08:30:08 PM »

*cough* MISSGEBURTEN *cough*
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I had a blast at the party yesterday!
Oh wait, what you mean you weren't invited? It was in your mouth and everyone came!
maximilian0017
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« Reply #117 on: December 26, 2009, 08:56:22 PM »

*cough* MISSGEBURTEN *cough*

I'm quite sure that the last 3 posts above yours were done by at least one German (probably 2) and one Dutch person(that one i know for sure)
I would probably use babelfish or something to obfuscate your remark.
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le_uberfry
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« Reply #118 on: December 26, 2009, 09:58:17 PM »

What for? Last time I checked, freedom of speech was legal, so just like the other guys, I'm just throwing an idea out there.
I don't think there's an equivalent in English, otherwise I'd have used that Wink

And another thing, just so I can halfway justify my remark: it seems like the only people complaining about this are the pirates, not the actual devs. Just like when someone gets banned on Live, they want to keep on circumventing the detection, without actually having technical thoughts about it, just random bull$#!t theories.
« Last Edit: December 26, 2009, 10:07:11 PM by le_uberfry » Logged

I had a blast at the party yesterday!
Oh wait, what you mean you weren't invited? It was in your mouth and everyone came!
vintage_guitar
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« Reply #119 on: December 26, 2009, 10:26:26 PM »

Just like when someone gets banned on Live, they want to keep on circumventing the detection, without actually having technical thoughts about it, just random bull$#!t theories.
Your mom is just a random bull$#!t theory...
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