[RC5] Recovering Blocks from a "Locked" buff-in.rc5 file

Bruce Ford ford at aus3.com
Mon Nov 26 22:09:45 EST 2001


dnetc -forceunlock buff-in.rc5

is what you are looking for.

Other filenames can be substituted for buff-in.rc5 if you wish.
 "dnetc -import otherfile" could then be useful to you.

----- Original Message ----- 
From: "Robert A. Rosenberg" <Bob.Rosenberg at digitscorp.com>
To: <rc5 at lists.distributed.net>
Sent: Monday, November 26, 2001 4:51 PM
Subject: [RC5] Recovering Blocks from a "Locked" buff-in.rc5 file


> Due to some power failures, I have a number of buff-in.rc5 files that 
> my dnetc program considers to be unusable due to there being a lock 
> on the file (ie: It thinks that another copy is accessing the file so 
> it waits until the other copy is done [which will ever occur]). Here 
> is a listing of the latest occurrence (the same sequence occurs with 
> the other files).
> 
> >dnetc v2.8013-467-GTR-01022721 for Mac OS (Mac OS 9.2.1).
> >Using email address (distributed.net ID) 'bob.rosenberg at digitscorp.com'
> >
> >[Nov 26 00:56:57 UTC] Open failed for 'buff-in.rc5'
> >                       Timeout waiting for buffer unlock.
> >[Nov 26 00:57:01 UTC] The keyserver says: "Happy cracking. Hail Eris!"
> >[Nov 26 00:57:01 UTC] Retrieved project state data from server. (cached)
> >[Nov 26 00:57:01 UTC] RC5: using core #1 (lintilla).
> >[Nov 26 00:57:01 UTC] RC5: Loaded random C9F92C7A:70000000:1*2^28
> >[Nov 26 00:57:01 UTC] RC5: 446 packets (1955.00 stats units) remain in
> >                       buff-in.rc5
> >[Nov 26 00:57:01 UTC] RC5: 0 packets are in buff-out.rc5
> >[Nov 26 00:57:01 UTC] 1 cruncher has been started.
> >[Nov 26 00:57:19 UTC] *Break* Shutting down...
> >[Nov 26 00:57:20 UTC] Open failed for 'buff-in.rc5'
> >                       Timeout waiting for buffer unlock.
> >[Nov 26 00:57:20 UTC] Buffer seek/write error. Block discarded.
> >[Nov 26 00:57:20 UTC] RC5: Discarded C9F92C7A:70000000:1*2^28
> >                       (buffer error - unable to save)
> >[Nov 26 00:57:20 UTC] Shutdown complete
> 
> Is there a way I can Disk Edit the flag off, a utility that will 
> force unlock it, or a secret command to turn it off (or ignore the 
> flag - since this is a non shared file, I am safe in telling dnetc to 
> ignore being being set)?
> 
> Note, I have have access to a Windows version of dnetc (which I also 
> run) so a Windows only solution is acceptable to me since I can 
> SneakerNet the files to the Windows machine for it to unlock and then 
> either let the Windows machine crack the blocks or SneakerNet the 
> (now unlocked) files back to my Macintosh for it to process.
> 
> Thank you.
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