[DRE-maint] Bug#979432: ruby-rack FTBFS on IPV6-only buildds

[Chris Hofstaedtler]

Control: tags -1 + unreproducible moreinfo

Hi,

* Adrian Bunk <bunk at debian.org> [210207 18:14]:
> On Sun, Feb 07, 2021 at 06:30:20PM +0100, Chris Hofstaedtler wrote:
> > > /usr/lib/ruby/vendor_ruby/eventmachine.rb:532:in `start_tcp_server': no acceptor (port is in use or requires root privileges) (RuntimeError)
> > 
> > Please explain what "IPv6-only buildd" actually means. How can one
> > reproduce this?
> 
> Some buildds no longer have IPV4 connectivity, and the release team 
> considers FTBFS on these release critical bugs.
> 
> The best information I am aware of is:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962019#26

Thanks. However that info appears outdated, as on a current Debian
unstable, I always get a `lo` interface with 127.0.0.1 and ::1
bound. The tests want 127.0.0.1, so that works.

Without more info on how the buildd setup looks like, I cannot
reproduce this. Or maybe the failure has gone anyway?
 
> cu
> Adrian

Cheers,
Chris