[Bug 1995062] Re: Fails on RISCV when sv57 is enabled

Shengjing Zhu 1995062 at bugs.launchpad.net
Mon Jun 5 08:27:34 UTC 2023


Fixed in golang-1.20
https://github.com/golang/go/commit/1e3c19f3fee12e5e2b7802a54908a4d4d03960da

** Changed in: golang-defaults (Ubuntu)
       Status: New => Fix Released

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Title:
  Fails on RISCV when sv57 is enabled

Status in golang-defaults package in Ubuntu:
  Fix Released

Bug description:
  RISC-V introduced SV57 (57bit physical addresses) which breaks the
  pointer tagging mechanism of Go, we need the following patch to fix
  that: https://groups.google.com/g/golang-
  codereviews/c/qgCDki-2zEA?pli=1

  Note that at the moment, the kernel disables sv57 to work around this
  issue.

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