Libexo - undefined reference when starting SteamVR #4707

Your system information

• Steam client version: steam-launcher 1.0.0.53
• Distribution (e.g. Ubuntu): Xubuntu, xenial
• Opted into Steam client beta?: [Yes/No] No
• Have you checked for system updates?: [Yes/No] Yes

Please describe your issue in as much detail as possible:

When starting SteamVR it pops up window and then closes, console where Steam was launched reports. Expected to see the SteamVR console (as I do on Win64).

/bin/bash: /home/simon/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu/libtinfo.so.5: no version information available (required by /bin/bash)
exo-open: symbol lookup error: /usr/lib/x86_64-linux-gnu/libexo-1.so.0: undefined symbol: g_type_check_instance_is_fundamentally_a

$ objdump -T /usr/lib/x86_64-linux-gnu/libexo-1.so.0
...
0000000000000000      DF *UND*      0000000000000000  GLIBC_2.2.5 strlen
0000000000000000      DF *UND*      0000000000000000              g_type_check_instance_is_fundamentally_a

Steps for reproducing this issue:

1. Start Steam from console
2. Launch SteamVR util
3. Observe error message