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srstein |
2007-01-23
, 01:01
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Posts: 36 |
Thanked: 2 times |
Joined on Jan 2007
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#11
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I used uTorrent. Maybe this will help identify any corrupt files.
Code:
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2007-01-23
, 03:18
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Posts: 3,401 |
Thanked: 1,255 times |
Joined on Nov 2005
@ London, UK
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#12
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I downloaded the torrent without problems using the latest BitTorrent client and extracted all 7 files after opening "MaemoAppliance-1.0-6.10.7z.001" in 7-Zip (using the "Open Archive" option).
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2007-01-23
, 03:26
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Posts: 165 |
Thanked: 5 times |
Joined on Jan 2007
@ Boston MA USA
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#13
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I uninstalled BitLord and fired up BitTornado. Downloaded and combined, then once again the same errors on 7-Zip extraction. I even used different drives than before for staging and extraction. Tonight I'll give the entire process one more shot on a different computer with uTorrent. Very frustrating.
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2007-01-23
, 03:30
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Posts: 165 |
Thanked: 5 times |
Joined on Jan 2007
@ Boston MA USA
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#14
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Originally Posted by srstein
Thanks for the checksums; I'm crashing now (body, not computer) but will check against my old & new downloads when I reboot in the morning.
I used uTorrent. Maybe this will help identify any corrupt files.
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2007-01-23
, 06:03
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Posts: 34 |
Thanked: 0 times |
Joined on Jan 2007
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#15
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Originally Posted by jpj
Just curious, why combine the files before you extract them? This is not necessary. Just extract the first file and 7z will find the rest as it goes. Maybe this is the problem?
I uninstalled BitLord and fired up BitTornado. Downloaded and combined, then once again the same errors on 7-Zip extraction. I even used different drives than before for staging and extraction. Tonight I'll give the entire process one more shot on a different computer with uTorrent. Very frustrating.
Also I downloaded with uTorrent and it works fine.
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2007-01-23
, 14:27
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Posts: 64 |
Thanked: 1 time |
Joined on Jan 2007
@ Seattleish, WA
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#16
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Originally Posted by thebeck
Well, I'll stand up and say "OOOOOOOOOOOOOOOHHHHHHHHHHH!!!!!!!! now I get it!"
Just curious, why combine the files before you extract them? This is not necessary. Just extract the first file and 7z will find the rest as it goes. Maybe this is the problem?
Also I downloaded with uTorrent and it works fine.
I was confused as well - this was my first torrent.
Thanks Beck!For other folks, here's a link to the 7z site:
http://www.7-zip.org/
With 7z in the path, your command line will look something like:
Code:
7z x -ot MaemoAppliance-1.0-6.10.7z.001
__________________
~ Mark
~ Mark
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2007-01-23
, 14:53
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Posts: 165 |
Thanked: 5 times |
Joined on Jan 2007
@ Boston MA USA
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#17
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Originally Posted by thebeck
Thanks for the tip about auto-combining; that will be helpful in the future.
Just curious, why combine the files before you extract them? This is not necessary. Just extract the first file and 7z will find the rest as it goes. Maybe this is the problem?
Also I downloaded with uTorrent and it works fine.
On the other hand, if combining the files (via 7-Zip) before extraction was in fact the problem, that would be an awfully serious 7-Zip bug. Think about it.
Anyway, for my fourth (!) attempt, I switched to uTorrent, moved from my spiffy dual core desktop to a crufty old VAIO notebook, and sucked the parts down one more time. Combined the parts (since I hadn't read this updated thread yet), extracted, and Voila! For the first time, no error report.
Right now I'm installing VMware Player on the VAIO and will take it out for a spin shortly. After which I'll return to diffing the downloads and trying to determine what went wrong on the desktop. @#$% computers...
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2007-01-23
, 14:59
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Posts: 64 |
Thanked: 1 time |
Joined on Jan 2007
@ Seattleish, WA
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#18
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Originally Posted by jpj
Umm, now having seen this work, I don't know that this is true.
Thanks for the tip about auto-combining; that will be helpful in the future.
On the other hand, if combining the files (via 7-Zip) before extraction was in fact the problem, that would be an awfully serious 7-Zip bug. Think about it.
7z isn't combining the files as it's unpacking, it's treating them as a stream. I figure that the compression mechanism is block based, and as such the block size will start at the 0 byte of each file.
If you first combine them, then you remove the EOF detection that 7z uses to know when the end of the last block of a file rolls up. That will throw off him knowing about the first byte of the next block, which would be the first byte of the next file.
Once the stream is jumbled, you're corrupted.
__________________
~ Mark
~ Mark
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2007-01-23
, 18:42
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Posts: 64 |
Thanked: 1 time |
Joined on Jan 2007
@ Seattleish, WA
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#19
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I just fired this up...
AWESOME!
Thank you Konfoo!
AWESOME!
Thank you Konfoo!
__________________
~ Mark
~ Mark
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2007-01-23
, 19:33
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Posts: 165 |
Thanked: 5 times |
Joined on Jan 2007
@ Boston MA USA
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#20
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Originally Posted by midiwall
Excuse me, I used 7-Zip to do the combining, not simple concatenation, so my comment stands. Extraction *must* proceed the same either way. since the combiner and extractor are the same tool. Anything else would be unthinkable in terms of usability.
Umm, now having seen this work, I don't know that this is true.
7z isn't combining the files as it's unpacking, it's treating them as a stream. I figure that the compression mechanism is block based, and as such the block size will start at the 0 byte of each file.
If you first combine them, then you remove the EOF detection that 7z uses to know when the end of the last block of a file rolls up. That will throw off him knowing about the first byte of the next block, which would be the first byte of the next file.
Once the stream is jumbled, you're corrupted.
I did finally get a successful install, using a different client (uTorrent) on a different machine but the same procedure. This refutes the "parts versus whole" hypothesis. I now have the Maemo VM running on my notebook. If troubleshooting the desktop failure yields any useful info, I'll be sure to share the specifics.
Again, many thanks to konfoo for creating the package.
All's well that ends.