It didn't always work on 9front. Check the dump! After bisecting the dump and looking through the git log, I suspect that 9front changeset 71939a82 [1] will fix it for you.
[1] https://git.9front.org/plan9front/plan9front/71939a82ccc505b0baa990d7fe17e7085d0ab8fc/commit.html ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tb5fe0dc43447ab2c-M7ca511b172875758e866dd78 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
