[Bug 2026588] Re: [SRU] Copy OpenSBI 1.3 to Jammy and Lunar

[Łukasz Zemczak]

I think having a rebuilt u-boot is one part of the required fix, so
there will be a follow-up u-boot SRU to rebuild against the new opensbi.
The description mentions that the raw opensbi is used for qemu, so the
test case for the qemu bits is already something.

I will accept the package into -proposed as-is so that it's ready for
the u-boot rebuilds, but Heinrich please provide already all the u-boot
debdiffs in the meantime. We can get those uploaded right after opensbi
is built and require all of those released/tested at once.

** Changed in: opensbi (Ubuntu Jammy)
       Status: Incomplete => Confirmed

** Changed in: opensbi (Ubuntu Lunar)
       Status: Incomplete => Confirmed

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Title:
  [SRU] Copy OpenSBI 1.3 to Jammy and Lunar

Status in opensbi package in Ubuntu:
  Invalid
Status in u-boot package in Ubuntu:
  New
Status in opensbi source package in Jammy:
  Confirmed
Status in u-boot source package in Jammy:
  New
Status in opensbi source package in Lunar:
  Confirmed
Status in u-boot source package in Lunar:
  New

Bug description:
  [ Impact ]

  We provide an image for the StarFive VisionFive 2 board. Upstream
  U-Boot now provides support for the board but it requires OpenSBI 1.3.
  We should strive to put a current U-Boot onto our preinstalled image.

  [ Test plan ]

  * Rebuild current u-boot package in ppa against new OpenSBI and test running Ubuntu 22.04/23.04 on QEMU, SiFive HiFive Unmatched, and PolarFire Icicle Kit with this U-Boot.
  * Use a rebuilt u-boot-nezha (Lunar) or nezha-boot0 (Jammy) package to boot the Nezha D1.
  * Run apt-get update, apt-get install, and execute an application.
  * Run snap install and execute an application.

  [ Where problems could occur ]

  OpenSBI is only used directly when running a RISC-V emulation in QEMU
  with the bios parameter.

  For all real hardware OpenSBI is built into U-Boot SPL. So getting
  OpenSBI onto boards will require a rebuild of U-Boot.

  Theoretically upgrading OpenSBI could

  * stop RISC-V boards from booting
  * cause failures when the operating system calls into OpenSBI
  * cause failures when OpenSBI emulates missing instructions.

  [ Other Info ]

  Upgrading to the same OpenSBI 1.3 that we use in Mantic instead of
  applying selected patches to 22.04/23.04 is easier to maintain in the
  long run.

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