2 Jun
2021
2 Jun
'21
3:45 p.m.
On Wed, Jun 02, 2021 at 07:06:59PM +0000, Simon Peyton Jones via ghc-devs wrote:
Dear devs I wanted to install GHC 8.10 on my WSL2 (Windows Subsystem for Linux) computer. [...] ghc-pkg: Couldn't open database /home/simonpj/.ghcup/ghc/8.10.4/lib/ghc-8.10.4/package.conf.d for modification: {handle: /home/simonpj/.ghcup/ghc/8.10.4/lib/ghc-8.10.4/package.conf.d/package.cache.lock}: hLock: invalid argument (Invalid argument)
Turns out it was actually WSL1 and upgrading to WSL2 resolved the problem.