Re: latest F19 version of openssl breaks ssh on i686 machine with old CPU

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Andre Robatino <robatino <at> fedoraproject.org> writes:

> Roger <arelem <at> bigpond.com> writes:
> 
> > Yes, true for Fedora 19.
> > Openssl latest update is very broken. It caused total lockouts on Rails 
> > development on Heroku for several of us.
> > Run sudo yum downgrade openssl openssl-libs openssl-devel.
> > This worked for those of us who had the problem till yesterday Oct25.
> 
> Just to make sure it's the same problem, if you use the latest openssl and
> log in at the console and try to use outgoing ssh, do you get the same
> message "Illegal instruction (core dumped)"? If so, can you report at
> https://bugzilla.redhat.com/show_bug.cgi?id=1022346 which CPU(s) your
> machines are using? The maintainer says that for me, it's a problem with my
> specific CPU (Cyrix M II), and had a workaround that works for me (see
> https://bugzilla.redhat.com/show_bug.cgi?id=1022346#c5 ), but if it's
> affecting more CPUs, he needs to know that, and it would be nice if it was a
> more general bug that can be fixed without workarounds for specific CPUs.
> Thanks.

My bug is apparently limited to Cyrix CPUs. See

https://rt.openssl.org/Ticket/Display.html?id=3151&user=guest&pass=guest

https://rt.openssl.org/Ticket/Display.html?id=3005&user=guest&pass=guest

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699692

A patch was posted and the original reporter verified that it fixed his
problem in a Debian build. It's not clear to me whether the patch was pulled
in upstream and if I have to do anything to get it into Fedora.

Roger, unless all of your affected machines have Cyrix CPUs, you're probably
seeing a different bug, unless you see the "Illegal instruction (core dump)"
message when using outgoing ssh, in which case you could get a stack trace
by installing debuginfo packages (see
https://fedoraproject.org/wiki/StackTraces ).




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