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2021.04.00
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@davidlt davidlt released this 06 May 13:50
2021.04.00
44c2a0f

This release includes major changes compared previous Freedom U SDK and thus is experimental at this stage. The main changes include:

  • Layers (openembedded-core, meta-openemedded, meta-riscv) were updated to their latest revisions.
  • meta-clang layer was reverted back to what we had in meta-sifive 2021.02.00 release as LLVM/Clang cross compiler had issues locating libraries for riscv64.
  • meta-sifive layer compatibility was switched from gatesgarth to hardknott release.
  • mesa was updated to 21.0.1.
  • linux-mainline_5.11 kernel was updated to v5.11.14 for HiFive Unmatched.
  • tree package was added for CLI and Xfce4 disk images.
  • xdotool package was added to Xfce4 disk images.
  • stress-ng was updated to 0.12.06.

Known Issues

  1. Avoid overclocking SoC using CPUFreq if you are using HiFive Unleashed Expansion Board from Microsemi as this will hang the board. Hard reset will be required.
  2. If Xfce4 desktop disk image is used with HiFive Unleashed Expansion Board and GPU then rebooting is required after the 1st boot.
  3. Newer OE/Yocto buildtools could cause build issues for nspr-native package. Use -r yocto-3.2_M2 -t 20200729 as described in README file if you are using OE/Yocto buildtools. See Yocto bug #14112
  4. We have found an issue with SanDisk "A2" microSD cards and thus do not recommend them.
  5. Xfce4 file manager (Thunar) might crash due to a bug in exo related to "Icon View". We advice to switch to "List View" or "Compact View" under "View" menu.
  6. If the desktop is unresponsive/frozen (i.e. the keyboard doesn't work or/and the mouse doesn't work, the clock is not updating, etc.) try systemctl restart display-manager from the serial console.
  7. If the keyboard or/and mouse is not responsive/frozen check if the input device is available under libinput list-devices and if events are registered by libinput debug-events in the console. If events are registered try the command from #6 above otherwise manually unplug and plug the keyboard or/and mouse.
  8. If your desktop is very slow check Mesa OpenGL rendered (glxinfo | grep OpenGL). If it is OpenGL renderer string: llvmpipe restart the system. In rare cases Mesa might fallback to llvmpipe, but restart usually resolved the issue.
  9. Restart is not implemented in software for HiFive Unmatched.
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