.cdz Decompression Crash

[Gamesoul Master]

Alright... here's the problem. I compressed an image to .cdz using the pSX v1.11 WIP. It was the NTSC-U Yu-Gi-Oh: Forbidden Memories, in case somebody actually thinks that it's relevant. The original ccd/img/sub plays fine, and the .cdz image plays fine. There was no problem, until I tried decompressing it back again. After about 5% of processing it, pSX freezes for about 5-10 seconds, and then comes up with the b0rken crash dump dialog box. So every time I tried that, I saved a full dump, which seemed to work. But when I try to open or compress the dump, it comes up with an error (which occurs at different spots in each dump, so seemingly not some specific piece of data), and the best description I've gotten of the error is:
Read error in the file C:\Multimedia\Emulation\Playstation\psxfin.03f0.mdmp
Data error (cyclic redundancy check).
I've never known what that error message means, but I usually get it when I try copying a file off of a CD that doesn't want to be copied. So I can't send a full crash dump for this problem either. But it does let me save a small crash dump that can be accessed, so if there is no answer for this problem. I also tried decompressing it with v1.10, which yielded the same exact problem. I have a mini crash dump from that attempt, since it seems pSX will not save a working *full* dump. So unless somebody knows what's going on here, I can send/upload the mini crash dump if desired. I'm pretty sure no other information would be really relevant to this, but I'm running XP Pro with all the same settings and setup I always have.

As an added note, after this happened a couple times, pSX is suddenly catching the attention of DEP, which it was never doing before now... I had to exempt it from DEP just to finish testing enough to get that last crash dump. I am very tired and just wanting to get this posted very quickly... I'll try to come back later after getting some sleep, if I remember something I may have forgotten to say now... This one is basically just to get your minds working until I come back for more testing on this.

[pSX Author]

Cyclic redundancy check means that Windows cannot read the data from your CD. Try copying the file off the CD - you'll probably get the same error. If you are lucky you may be able to read it if you try lots of times (or perhaps try reading it in a different drive).

[Gamesoul Master]

Yeah, usually changing the drive I'm reading it from works... if I even have a second drive in the computer to read it from. As for this file... probably unfixable, considering I'm getting that error from the *hard drive*... about the best I could try would be to *cut* it from one drive to the other (since "cutting" it works...), and maybe it could be properly read from the other hard drive.

Anyway... here is the mini-dump, just because I can. If you can do something with it, good... and it's from what I described up above, so hopefully you have an idea. If it doesn't help... ::shrug:: I don't know what more I can say.

s2.quicksharing.com/v/4805589/psxfin.c2ed.mdmp.html

[pSX Author]

If you are getting that error from a harddrive you may have a serious problem.

First: try copying the file off and see if you get the same error. If not then something strange that I don't understand is happening.

If you do: stop using that drive immediately because it may have a physical fault, or (if you are lucky) some bad sectors that the drive was unable to recover by relocation during a write (possibly they were marginal and went bad after the write). You need to run chkdsk /F/R on it which will take some time (sometimes it can take _days_ if there are a lot of bad sectors) - this may fix it, but if you do find bad sectors I recommend copying as much as possible off of the drive and ditching it. The file itself will probably be toast in this case, but other stuff will probably be recoverable.

[Gamesoul Master]

It's *only* that dump that does it... every time I try to make a full one. After making it and deleting it a few times, I have also created whole DVD-rips that work just fine... there seems to be nothing wrong with anything but the file itself, no matter when I try to create it. But, because you sound so sure, I'll check it out and hope that it's just something we can't understand happening. Cuz it's my main (and larger) hard-drive... and if it's crapping on me, *I'm* toast...

The file would not copy at all. Trying to move it off the drive by any means didn't work, though I can "cut" it to different locations of the hard drive. ::Sigh:: with this computer having such a bad tendancy of shutting itself off from the processor over-heating (the BIOS once said it was 100°C right after it shut down and I started it up again right away), it'd be just my luck for the hard drive to start going on me too... :/

Oh my. I just ran a test. I deleted the dump file (I forgot that I didn't delete it the last time), and copy/pasted some big files, just to take up space. And... I'm seeing the cyclic redundancy error for things now... I'm SOL, ain't I? I guess I better start trying to figure out where to put about 100 GB of files now...

[patrickp]

Try this, GM...

[Gamesoul Master]

Yeah, thanks... lol. Under the circumstances, I can only run some programs and hope that either they fix the problem, or the problem goes away on it's own. I literally have no better options to work with at this point.