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Re: svn --version


On May 24 11:22, Denis Excoffier wrote:
> On Thu, May 24, 2012 at 10:12:02AM +0200, Corinna Vinschen wrote:
> >> On May 24 09:06, Denis Excoffier wrote:
> >> > 
> >> > Hello,
> >> > 
> >> > With the new subversion (1.7.5) and the last
> >> > snapshot (20120523 21:51:34), the command 'svn --version' produces
> >> > segmentation fault, with no svn.exe.stackdump produced:
> >> > 
> >> > % /usr/bin/svn --version
> >> > Segmentation fault
> >> > %
> >> 
> >> I just installed the latest subversion 1.7.5 and I can not reproduce
> >> this crash.  svn --version prints the version information just fine with
> >> the latest snapshot DLL.  I made sure I was really using the snapshot DLL,
> >> not my local debug version.
> 
> I've decided to use rebase/rebaseall/autorebase. Until now, i had
> always run "Setup download" and "Setup install" separately, with removal
> of .../release/_autorebase/* between the two (and in addition, i
> had installed "exit 0" in line 2 of /bin/rebaseall).

??? Why?  We never had so few reports about fork failures than after
we added the autorebase package.

> So, i made my installation completely standard, and first, i noticed
> that "xz -9e" does not work any more:
> % /usr/bin/xz -9e cygcheck.out
> /usr/bin/xz: cygcheck.out: Cannot allocate memory

Works fine for me with the latest snapshot.

> %
> 
> Then i observed that 'svn --version' failed as before. And with
> the previous snapshot, it worked again. So no change with autorebasing.

Still works for me 

> >> 
> >> > % /usr/bin/env -i TZ=Europe/Monaco /usr/bin/date
> >> > Thu May 24 09:01:14 CEST 2012
> >> > % /usr/bin/env -i TZ=Europe/Monaco /usr/bin/strace /usr/bin/date >! /dev/null
> >> >    8773 [main] date 3248 D:\Home\dexcoff1\dexcoff1\cyg12c\bin\date.exe: *** fatal error - internal error reading the windows environment - too many environment variables?
> >> >   10625 [main] date 3248 open_stackdumpfile: Dumping stack trace to date.exe.stackdump

Btw., what does the strace look like if you send the output to a file,
like this:

  /usr/bin/strace -o date.trace /usr/bin/date

> >> That's a crash of some sorts while trying to convert the Windows
> >> environment to the Cygwin POSIX environment.  Again, I can't reproduce
> >> this one with the latest snapshot and the latest 1.7.15 strace.
> I've this problem since many months before, perhaps even years. The
> same occurs now, after the system is autorebased.

This is very strange.  I mean, I'm running strace on at least a daily
basis.  I never saw such a problem.  And your environment looks rather
small.  Almost too small...

> >> For a start, please send your cygcheck -svr info.  Did you try to see
> >> if manual rebaseing helps?
> % (cygcheck -s -v -r > cygcheck.out) >& cygcheck.err
> %
> 
> Included both. What do you mean "manual rebaseing"? 'ldd svn' shows 45
> individual DLL...

I meant, running rebaseall from ash manually.

As for your cygcheck output, I only see a few uncommon things:

> Path:	D:\Home\dexcoff1\dexcoff1\cyg12c\bin
> 	.

That's all?  Where are the native Windows paths?

> !:: = '::\'

Where does that come from?  I never saw a "=::" environment variable.
On the other hand, you have "!D:" but no "!C:".  It is as if something
overwrote the 'C' in these strings for no apparent reason.

> TZ = '/tmp/lcl/uxl/tz/etc/zoneinfo/Europe/Paris'

"Europe/Paris" is sufficient, usually.  But in theory it's not necessary
to set it manually, given that TZ is set using the tzset tool at startup
(see /etc/profile.d/tzset.{sh,csh}).


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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