[Bug 1995860] Update Released

[Łukasz Zemczak]

The verification of the Stable Release Update for u-boot-nezha has
completed successfully and the package is now being released to
-updates.  Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1995860

Title:
  Emulation of fence.tso hangs in endless loop

Status in opensbi package in Ubuntu:
  Fix Released
Status in u-boot package in Ubuntu:
  Fix Released
Status in u-boot-nezha package in Ubuntu:
  Fix Released
Status in opensbi source package in Jammy:
  Fix Committed
Status in opensbi source package in Kinetic:
  Fix Released
Status in u-boot source package in Kinetic:
  Fix Committed
Status in u-boot-nezha source package in Kinetic:
  Fix Released
Status in opensbi source package in Lunar:
  Fix Released
Status in u-boot source package in Lunar:
  Fix Released
Status in u-boot-nezha source package in Lunar:
  Fix Released
Status in opensbi package in Debian:
  Fix Released

Bug description:
  [ Impact ]

  OpenSBI 1.1 has added an emulation of the fence.tso instruction
  missing on the Allwinner D1 SOC. This emulation hangs in an endless
  loop. This is fixed by the following upstream patch:

  111afc12306e ("lib: sbi_illegal_insn: Fix FENCE.TSO emulation infinite
  trap loop")

  We need to rebuild packages u-boot and u-boot-nezha with the updated
  OpenSBI to make use of the fix.

  [ Test Plan ]

  * Boot QEMU, SiFive Unmatched and Nezha D1 with the updated U-Boot.
  * Install package clang.
  * Execute command clang -v (which uses the fence.tso command).
  * Reboot.

  [ Where problems could occur ]

  The patch added concerns only the fence.tso emulation.

  If the patch were wrong, the Nezha D1 might still fail in the
  emulation.

  A defective OpenSBI might lead to failure to boot, to reboot, to
  poweroff or to crashes when Linux calls into SBI.

  [ Other Info ]

  n/a

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