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From: Dr Rainer Woitok <rainer DOT woitok AT gmail DOT com>

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Date: Thu, 15 Oct 2015 15:16:25 +0200

To: Warren Young <wyml AT etr-usa DOT com>

Cc: cygwin AT cygwin DOT com

Subject: Re: How to correctly rebase?

In-Reply-To: Msg <8925F252-F479-4990-B568-1EC612DF39A5@etr-usa.com> of 2015-10-14 11:27:46 -0600 from wyml@etr-usa.com

References: <22046 DOT 25592 DOT 311399 DOT 765933 AT woitok DOT gmail DOT com> <8925F252-F479-4990-B568-1EC612DF39A5 AT etr-usa DOT com>

Reply-To: cygwin AT cygwin DOT com, Rainer DOT Woitok AT gmail DOT com

Warren and All,

On Wednesday, 2015-10-14 11:27:46 -0600, you wrote:

> ...
> The core problem I ran into is that /var/cache/rebase and
> /var/lib/rebase/*.d didnâ€™t exist on my system, and this caused various
> complaints and failures.

On my system all these directories existed, as well as file "/var/cache/
rebase/fullrebase.done". And I'm pretty sure I didn't install any of
these manually, so I assume they are (or at least were) automatically
installed by the "_autorebase" package.

> ...
> /etc/postinstall/0p_*

After looking at script "0p_000_autorebase.dash" I decided against using
it directly because it does not provide a means to pass the "--verbose"
option to script "rebaselst". So I ended up directly running what "0p_
000_autorebase.dash" would have called, saving standard output and stan-
dard error to two files:

rebaselst --verbose --rebuild update --cleardb rebase

QUESTION: Script "0p_000_autorebase.dash" also passes the options "--no-
aslr" and "peflags" to "rebaselst", provided the flag file "/var/cache/
rebase/peflags" is existing. Should I use these options here?

Excerpt from the standard output log file:

removing /var/cache/rebase/rebase_pkg
creating empty /var/cache/rebase/rebase_pkg
Updating package information in /var/cache/rebase/rebase_pkg.
from /etc/setup/adwaita-icon-theme.lst.gz...
from /etc/setup/adwaita-themes.lst.gz...
...
from /etc/setup/_autorebase.lst.gz...
from /etc/setup/_update-info-dir.lst.gz...
removing /var/cache/rebase/rebase_lst
creating empty /var/cache/rebase/rebase_lst
Updating rebase information for installed dynamic objects in /var/cache/rebase/rebase_lst.
Updating rebase information for installed executables in /var/cache/rebase/rebase_exe.
removing /var/cache/rebase/rebase_dyn
creating empty /var/cache/rebase/rebase_dyn
Looking for dynamic language modules/libraries in:
/usr/lib/python2.7/site-packages
Updating rebase information for dynamic language modules/libraries /var/cache/rebase/rebase_dyn.
removing /var/cache/rebase/rebase_user
creating empty /var/cache/rebase/rebase_user
Updating rebase information for user-defined dynamic objects /var/cache/rebase/rebase_user.
removing /var/cache/rebase/rebase_user_exe
creating empty /var/cache/rebase/rebase_user_exe
Updating rebase information for user-defined executables /var/cache/rebase/rebase_user_exe.
Rebasing with list /var/cache/rebase/rebase_all, built from /var/cache/rebase/rebase_lst /var/cache/rebase/rebase_dyn /var/cache/rebase/rebase_user.
/usr/share/texmf-dist/tex/plain/gustlib/licz/licz-tst.mex: skipped because not rebaseable
...
/usr/share/texmf-dist/tex/plain/gustlib/plbtx993/test.mex: skipped because not rebaseable
/usr/libexec/coreutils/libstdbuf.so: new base = 32b40000, new size = 10000
/usr/lib/xorg/modules/extensions/cygglx.dll: new base = 32b50000, new size = 60000
...
/usr/lib/python2.7/lib-dynload/select.dll: new base = 37c60000, new size = 10000
...
/usr/lib/python2.7/lib-dynload/operator.dll: new base = 37cd0000, new size = 10000
...
/usr/lib/python2.7/lib-dynload/_socket.dll: new base = 37f10000, new size = 20000
...

End of the standard ouput log file. The standard error log file con-
tains the following:

ReBaseImage (/usr/bin/cygintl-8.dll) failed with last error = 6
ReBaseImage (/usr/bin/cygiconv-2.dll) failed with last error = 6

The following DLLs couldn't be rebased due to errors:
/usr/bin/cygintl-8.dll
/usr/bin/cygiconv-2.dll

End of the standard error log file.

QUESTION: Do these errors indicate a problem?

QUESTION: I called "rebaselst" with the "--cleardb" option which should
cause it to pass "-b 0x70000000" to "rebase" (this is an "i386" system).
Why then are we starting above at a base of 0x32b40000?

And finally, Python still refuses to run, producing at least three diff-
erent error messages when, for instance, calling Mercurial (the "rebase"
output for these three libraries is listed above):

$ hg commit
1 [main] python2.7 40584 child_info_fork::abort: address space needed by 'select.dll' (0x370000) is already occupied
abort: Resource temporarily unavailable
$ hg commit
1 [main] python2.7 32648 child_info_fork::abort: unable to remap operator.dll to same address as parent (0x360000) - try running rebaseall
abort: Resource temporarily unavailable
$ hg commit
1 [main] python2.7 6496 child_info_fork::abort: address space needed by '_ssl.dll' (0x2B0000) is already occupied
abort: Resource temporarily unavailable

QUESTION:What am I supposed to do next?

> ...
> You should not have to reboot. If you do, it means youâ€™re ignoring
> complaints from setup.exe about files being in use during the
> installation, which could be part of the problem.

There definitely weren't any complaints from "setup_x86.exe". I didn't
say I HAD to reboot, I just said I did it.

Well, to sum it up: it seems I'm needing more help :-(

Sincerely,
Rainer

PS: And since I'm still not on this list because I can't really handle
the traffic, please also reply to me personally. Thanks.

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From:	Dr Rainer Woitok <rainer DOT woitok AT gmail DOT com>
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Date:	Thu, 15 Oct 2015 15:16:25 +0200
To:	Warren Young <wyml AT etr-usa DOT com>
Cc:	cygwin AT cygwin DOT com
Subject:	Re: How to correctly rebase?
In-Reply-To:	Msg <8925F252-F479-4990-B568-1EC612DF39A5@etr-usa.com> of 2015-10-14 11:27:46 -0600 from wyml@etr-usa.com
References:	<22046 DOT 25592 DOT 311399 DOT 765933 AT woitok DOT gmail DOT com> <8925F252-F479-4990-B568-1EC612DF39A5 AT etr-usa DOT com>
Reply-To:	cygwin AT cygwin DOT com, Rainer DOT Woitok AT gmail DOT com