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

Heinrich Schuchardt 1995062 at bugs.launchpad.net
Fri Oct 28 08:13:52 UTC 2022


** Description changed:

- RISC-V introduced sv57 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
+ 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 workaround this
+ Note that at the moment, the kernel disables sv57 to work around this
  issue.

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https://bugs.launchpad.net/bugs/1995062

Title:
  Fails on RISCV when sv57 is enabled

Status in golang-defaults package in Ubuntu:
  New

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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