Go-1.14 irreproducibly fails with mlock failure

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Juliusz Chroboczek

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Feb 9, 2020, 1:48:29 PM2/9/20
to golan...@googlegroups.com
The first time I ran go-1.14rc1 on a stock Debian system, I got:

runtime: mlock of signal stack failed: 12
runtime: increase the mlock limit (ulimit -l) or
runtime: update your kernel to 5.3.15+, 5.4.2+, or 5.5+
fatal error: mlock failed

ulimit -l is at 64, which is also the hard limit.

After opening a new shell, I can no longer reproduce the issue --
everything appears to be working fine. Still, I find this heisenbug
somewhat disturbing.

-- Juliusz

Liam

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Feb 10, 2020, 6:29:45 AM2/10/20
to golang-nuts
You were bitten by a kernel bug; update your kernel.

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