The game is still not working correctly,even with this patch you still can't clear it.
I've encounter two problems:
1.When Twilight Town appear again(after the cut scene with Kairi and Axel),when I try to enter Twilight Town the game "resets" itself to the beginning of the game when I start playing with Roxas BUT I'm not playing with Roxas but with Sora with all my items,levels and everything that I accomplished before entering Twilight Town(Donald and Goofy are not with me,I'm alone).After the fist scene I just have to go to Sandlot(where the struggle arena was)to continue the game.When I enter the Sandlot,Goofy and Donald will suddenly appear.
2.After Twilight Town I'm supposed to go to Hollow Bastion but when I try to enter Sora,Donald and Goofy appear on that place where Pete and Maleficent were talking and I can't do anything there.I'm walking through walls and if I walk to far I'll start falling endlessly.
The second problem is the end of playing off hdd.It can't fix this by trying to play from the disk or pcsx2.
The save that is created when I'm playing off the hdd is somehow different that the one when I'm playing from the disk.
Ok here's the continue.
I've done some testing and look what I find.
I've downloaded a save from GameFaq that is on the exact spot where the first problem appear.I upload the save to my card and tried again the game but the problem was still there.After that I started the same save on pcsx2 and continue the game to the next problem and upload again the save to my PS2 but the second fatal problem was still there.
After that I unplug my ps2hdd and connect it to my PC to copy the patched KH2.When I tried the patched ISO(using pcsx2)with both saves on those problems,both problems was still there.The saves are perfectly working when I tried to play from the disk but from the patched KH2 both problems was there.
After that I remove the patched KH2 from my ps2hdd and put the original(not patched)and tried both save...both problem were gone I was able to continue the game.
So in the end,the main reason for both problems is the patch(the problem can't be fixed by continue a save that is created while using the patched KH2 because along with the game data is saved the problem too).Also when I clear Twilight Town(pass the fist problem)when I tried the game from the disk with the working save Hollow Bastion has some black aura/smoke around it but with the same save but with the patched KH2,the black aura/smoke isn's there...it's like I'm going to some other Hollow Bastion.