[Bug 1983128] Re: linux-lowlatency fails to build on arm64 due to kernel option settings

[Frank Heimes]

set to invails, since this was for a previous proposed migrations issue
that was meanwhile solved

** Changed in: linux-lowlatency (Ubuntu)
       Status: New => Invalid

** Changed in: zlib (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1983128

Title:
  linux-lowlatency fails to build on arm64 due to kernel option settings

Status in linux-lowlatency package in Ubuntu:
  Invalid
Status in zlib package in Ubuntu:
  Invalid

Bug description:
  The 'linux-lowlatency' kernel build (incl. autopkgtest) was triggered in a kinetic-proposed migration process (for zlib) and runs into a 'regression':
  "autopkgtest for linux-lowlatency/5.19.0-1001.1: amd64: Pass, arm64: Regression ♻"

  The regression is highly likely not due to zlib itself, but due to NEW kernel options, that don't have a default yet and a check-config FAIL, see:
  ...
  check-config: /tmp/autopkgtest.ZQs9si/build.cYo/src/debian/build/build-lowlatency/.config: loading config
  check-config: /tmp/autopkgtest.ZQs9si/build.cYo/src/debian.lowlatency/config/annotations loading annotations
  check-config: FAIL (n != -): CONFIG_KCOV policy<{'amd64': 'n', 'arm64':
   -, 'armhf': 'n', 'ppc64el': '-', 'riscv64': 'n', 's390x': '-'}>
  check-config: 11323/11324 checks passed -- exit 1
  ...
  Shadow Call Stack (SHADOW_CALL_STACK) [N/y/?] (NEW)
  Error in reading or end of file.
  ...
  Initialize kernel stack variables at function entry
  > 1. no automatic stack variable initialization (weakest) (INIT_STACK_NONE)
    2. pattern-init everything (strongest) (INIT_STACK_ALL_PATTERN) (NEW)
    3. zero-init everything (strongest and safest) (INIT_STACK_ALL_ZERO) (NEW)
  choice[1-3?]:
  Error in reading or end of file.
  ...

  Full log is here:
  https://autopkgtest.ubuntu.com/results/autopkgtest-kinetic/kinetic/arm64/l/linux-lowlatency/20220728_135536_c2061@/log.gz

  (this might be caused by the recent compiler update)

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