rex shells fail

[dnmvisser]

Trying to get a shell in debian/eol:rex:

root@villa:~# docker run --rm -ti  debian/eol:rex bash
bash: Out of virtual memory!

root@villa:~# docker run --rm -ti  debian/eol:rex /bin/sh
sh: Out of virtual memory!

Any ideas...?

[tianon]

Debian Rex was originally released in 1996 -- I imagine its binaries will struggle with receiving data from a 64bit kernel's system calls, even with the aggressive retrocompatibility the kernel tries to provide (there's only so much it can do with those old 32bit data structures, after all). IIRC I had to use i386 emulation in order to test that they worked correctly when I pushed them.