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DragonFly bugs List (threaded) for 2003-08
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Re: FIXED! (was Re: Linux emulation)

From: Jeroen Ruigrok/asmodai <asmodai@xxxxxx>
Date: Wed, 20 Aug 2003 07:07:21 +0200

-On [20030820 07:02], Matthew Dillon (dillon@xxxxxxxxxxxxxxxxxxxx) wrote:
>    It's fixed.  It took a very long time to track down.  I had to fetch
>    the debian source packages for glibc to figure out where it was dying.

I was working from 2.2.4 glibc sources as well.

>    It was a my-bad.  I thought I had maintained the zeroing of %edx on
>    program startup but I forgot that system calls load the return value
>    into %eax,%edx and this was overriding the zero'd out registers.

At first I was thinking it might be a function in the linux_file.c or
linux_misc.c, so I was spending a lot of time there, adding debugging
stuff.  Only thing I could think of was with the termination of the
code.  Glad you could find it.

>    Linux needs %edx to be NULL on program startup.  If it isn't linux
>    registers it as an atexit() function.

Heh, spiffy.

>    I still can't completely install linux_base-6, but I'm hoping the
>    remaining issues are not OS-related.  Perhaps Jeroen can take it up
>    from here now that I fixed the my-bad.

I'll hunt it down...  Thanks Matt.

Jeroen Ruigrok van der Werven <asmodai(at)wxs.nl> / asmodai
PGP fingerprint: 2D92 980E 45FE 2C28 9DB7  9D88 97E6 839B 2EAC 625B
http://www.tendra.org/   | http://www.in-nomine.org/~asmodai/diary/
The spirit indeed is willing, but the flesh is weak...

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