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  1. AGL Development
  2. SPEC-1037

fail to create cpio image for large rootfs (>2GB)


    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major Major
    • Eel
    • None
    • CIAT
    • Build for M3 with EEL.RC1 + Chromium preinstalled inside image.
      cpio version 2.11 from hosttools dir (native)

      While building agl-demo-platform-crosssdk, error log is:

      ERROR: agl-demo-platform-crosssdk-1.0-r0 do_image_cpio: Function failed: do_image_cpio (log file is located at /xdt/build/m3ulcb/tmp/work/m3ulcb-agl-linux/agl-demo-platform-crosssdk/1.0-r0/temp/log.do_image_cpio.33258)
      ERROR: Logfile of failure stored in: /xdt/build/m3ulcb/tmp/work/m3ulcb-agl-linux/agl-demo-platform-crosssdk/1.0-r0/temp/log.do_image_cpio.33258
      Log data follows:
      | DEBUG: Executing python function set_image_size
      | DEBUG: Python function set_image_size finished
      | DEBUG: Executing shell function do_image_cpio
      | 4537251 blocks
      | cpio: cannot seek on output: Invalid argument
      | WARNING: exit code 1 from a shell command.
      | ERROR: Function failed: do_image_cpio (log file is located at /xdt/build/m3ulcb/tmp/work/m3ulcb-agl-linux/agl-demo-platform-crosssdk/1.0-r0/temp/log.do_image_cpio.33258)
      ERROR: Task (/xdt/meta/meta-agl-demo/recipes-platform/images/agl-demo-platform-crosssdk.bb:do_image_cpio) failed with exit code '1'
      NOTE: Tasks Summary: Attempted 10857 tasks of which 10856 didn't need to be rerun and 1 failed.

      Rootfs dir in ...../tmp/work/m3ulcb-agl-linux/agl-demo-platform-crosssdk/1.0-r0/rootfs takes 2.5GB.

      Script do_image_cpio fails at second cpio call:

      • first call will create a cpio archive which seems correct (2.5GB)
      • second call fails when trying to append'./init' to the big archive

      Strace shows something like this before failure:

      37365 lseek(3, 18446744071737656320, SEEK_SET) = -1 EINVAL (Invalid argument)

      First conclusion: cpio doesn't support seeking at the end of an archive with size >2GB ...

      cpio version is 2.11, built- as native tool (hosttools). Using cpio 2.11 from Debian 8 leads to the exact same error.

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            sdesneux Stephane Desneux
            sdesneux Stephane Desneux
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