[Bug 2122633] Re: os-prober is broken (mktemp: Permission denied) on Questing due to apparmor misconfiguration

Peter de Kraker 2122633 at bugs.launchpad.net
Sat Sep 20 09:31:05 UTC 2025


Works for me now. Do have a error about dmraid but I guess that's
normal. Can boot windows now.

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https://bugs.launchpad.net/bugs/2122633

Title:
  os-prober is broken (mktemp: Permission denied) on Questing due to
  apparmor misconfiguration

Status in apparmor package in Ubuntu:
  Fix Released
Status in os-prober package in Ubuntu:
  Confirmed
Status in rust-coreutils package in Ubuntu:
  Confirmed

Bug description:
  os=prober fails to function Questing.

  It appears that apparmor blocks temp directory creation (mktemp from
  rust-coreutils) in context of os-prober.

  Just renaming os-prober script to anything else allows it to function.

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