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Cygwin64: Rebase problems


I'm trying to reinstall 64-bit Cygwin, using a snapshot taken on 2013-10-24. The post-install step goes into an infinite loop whilst running 'texlive-collection-basic.sh': perl is attempting to load some modules (IO.dll, MD5.dll, Fcnt.dll, Cwd.dll), which fail with rebase errors. The script waits five seconds before trying (and failing) again; this repeats ad infinitum.

Here is an extract from the setup log:

0 [main] perl 3384 child_info_fork::abort: address space needed by 'IO.dll' (0x300000) is already occupied
Can't fork, trying again in 5 seconds at /usr/bin/updmap line 54.
0 [main] perl 3404 child_info_fork::abort: unable to remap MD5.dll to same address as parent (0x2E0000) - try running rebaseall
Can't fork, trying again in 5 seconds at /usr/bin/updmap line 54.
0 [main] perl 3452 child_info_fork::abort: address space needed by 'IO.dll' (0x300000) is already occupied
Can't fork, trying again in 5 seconds at /usr/bin/updmap line 54.
0 [main] perl 3456 child_info_fork::abort: address space needed by 'IO.dll' (0x300000) is already occupied
Can't fork, trying again in 5 seconds at /usr/bin/updmap line 54.
0 [main] perl 3408 child_info_fork::abort: unable to remap Fcntl.dll to same address as parent (0x2F0000) - try running rebaseall
Can't fork, trying again in 5 seconds at /usr/bin/updmap line 54.

The error message suggests running rebaseall - however, 'autorebase.bat' was run a few seconds earlier.

I launched bash (from 'cmd') and ran 'rebase -si' and the results are attached. There are two things to note. Firstly, a great many entries have a base address of zero(!). Secondly, the last six entries in the file have a rather large base address - I would expect the addresses to start around 0x400000000 and decrease.

If I delete '/etc/rebase.db.x86_64' and run 'rebaseall -p -v' then everything seems to work OK - running 'rebase -si' gives sensible output, and the 'texlive-collection-basic.sh' post-install script runs.

I was rather hoping that Cygwin64 would see the end of the rebase errors - alas :-( Incidentally, a Cygwin32 snapshot taken on the same day (2013-10-24) installed successfully.

Any ideas?

Many thanks in advance for your help,

Dave.

Attachment: rebase_si_error_log.txt
Description: Text document

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