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From MK ...@cognitivedissonance.ca>
Subject Re: illegal instruction 4
Date Fri, 08 Jul 2011 12:09:59 GMT
On Thu, 7 Jul 2011 23:24:12 +0200
Ben Noordhuis <info@bnoordhuis.nl> wrote:
> I'm not sure if this is the right mailing list

I guess I have to get on mod_perl -- I've already been signed up here
for a while and browse the posts daily, seems like a well informed
bunch so I thought I'd see if anyone had any prior experience with this
one.

> for you but if you want
> to debug Apache, start it in single-process mode (`httpd -X`) and
> attach `gdb` to it.

Eureka, the offending instruction, "_dl_x86_64_save_sse" backtraced
into Apache2::Const. When I removed that from the simple test (and
replaced SERVER_ERROR with 404), it works.

Hopefully this is because while mod_perl itself is from the distro,
the perl CPAN installer may have built the Apache2 modules via gcc on
the server, and since then it has been migrated to a different machine.
I guess I'll go find out, and double check with the mod_perl people.


-- 
"Enthusiasm is not the enemy of the intellect." (said of Irving Howe)
"The angel of history[...]is turned toward the past." (Walter Benjamin)


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