Documentation: Release notes for the 24.02 release
These will be updated and finalized after the release to capture any final changes, remove "upcoming release", and finalize all stats. Change-Id: Idc224c43f2459faabf91a9ef282bb9eaeba42240 Signed-off-by: Martin Roth <gaumless@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/80617 Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-by: ron minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Martin Roth
Martin L Roth
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Upcoming release - coreboot 24.02
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========================================================================
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The 24.02 release is scheduled for Mid February, 2024
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The 24.02 release is scheduled for February 19, 2024. The next release,
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which will be 24.05, is scheduled for mid-May.
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The coreboot project is happy to announce our next release for February
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2024. Over the past three months, our contributors have focused on
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refining the coreboot codebase, generally prioritizing cleanup and
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quality enhancements. We extend our gratitude to all the contributors
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who have dedicated their time and expertise. Thank you for your
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invaluable contributions to this vital phase of maintenance and
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optimization.
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Update this document with changes that should be in the release notes.
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* Please use Markdown.
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* See the past few release notes for the general format.
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* The chip and board additions and removals will be updated right
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before the release, so those do not need to be added.
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* Note that all changes before the release are done are marked upcoming.
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A final version of the notes are done after the release.
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### Release number format update
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@ -19,72 +19,255 @@ The previous release was the last to use the incrementing 4.xx release
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name scheme. For this and future releases, coreboot has switched to a
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Year.Month.Sub-version naming scheme. As such, the next release,
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scheduled for May of 2024 will be numbered 24.05, with the sub-version
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of 00 implied. If we need to do a fix or incremental release, we’ll
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of 00 implied. If we need to do a fix or incremental release, we'll
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append the values .01, .02 and so on to the initial release value.
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### The master branch is being deleted
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The coreboot project changed from master to main roughly 6 months ago,
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and has been keeping the two branches in sync since then to ease the
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transition. As of this release, we are getting rid of the master branch
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completely. Please make sure any scripts you're using that reference the
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'master' branch have been switched to 'main'.
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Significant or interesting changes
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----------------------------------
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* Add changes that need a full description here
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### acpi: Add Arm IO Remapping Table structures
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* This section should have full descriptions and can or should have
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a link to the referenced commits.
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Input Output Remapping Table (IORT) represents the IO topology of an Arm
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based system.
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Document number: ARM DEN 0049E.e, Sep 2022
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### acpi: Add PPTT support
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This patch adds code to generate Processor Properties Topology Tables
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(PPTT) compliant to the ACPI 6.4 specification.
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- The 'acpi_get_pptt_topology' hook is mandatory once ACPI_PPTT is
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selected. Its purpose is to return a pointer to a topology tree,
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which describes the relationship between CPUs and caches. The hook
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can be provided by, for example, mainboard code.
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Background: We are currently working on mainboard code for qemu-sbsa and
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Neoverse N2. Both require a valid PPTT table. Patch was tested against
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the qemu-sbsa board.
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### acpi: Add support for WDAT table
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This commit lays the groundwork for implementing the ACPI WDAT (Watchdog
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Action Table) table specification. The WDAT is a special ACPI table
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introduced by Microsoft that describes the watchdog for the OS.
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Platforms that need to implement the WDAT table must describe the
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hardware watchdog management operations as described in the
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specification. See “Links to ACPI-Related Documents”
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(http://uefi.org/acpi) under the heading “Watchdog Action Table”.
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### lib/jpeg: Replace decoder with Wuffs' implementation
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To quote its repo[0]: Wuffs is a memory-safe programming language (and a
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standard library written in that language) for Wrangling Untrusted File
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Formats Safely. Wrangling includes parsing, decoding and encoding.
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It compiles its library, written in its own language, to a C/C++ source
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file that can then be used independently without needing support for the
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language. That library is now imported to src/vendorcode/wuffs/.
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This change modifies our linters to ignore that directory because it's
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supposed to contain the wuffs compiler's result verbatim.
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Nigel Tao provided an initial wrapper around wuffs' jpeg decoder that
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implements our JPEG API. I further changed it a bit regarding data
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placement, dropped stuff from our API that wasn't ever used, or isn't
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used anymore, and generally made it fit coreboot a bit better. Features
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are Nigel's, bugs are mine.
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This commit also adapts our jpeg fuzz test to work with the modified
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API. After limiting it to deal only with approximately screen sized
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inputs, it fuzzed for 25 hours CPU time without a single hang or crash.
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This is a notable improvement over running the test with our old decoder
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which crashes within a minute.
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Finally, I tried the new parser with a pretty-much-random JPEG file I
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got from the internet, and it just showed it (once the resolution
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matched), which is also a notable improvement over the old decoder which
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is very particular about the subset of JPEG it supports.
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In terms of code size, a QEmu build's ramstage increases
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from 128060 bytes decompressed (64121 bytes after LZMA)
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to 172304 bytes decompressed (82734 bytes after LZMA).
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[0] https://github.com/google/wuffs
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Additional coreboot changes
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---------------------------
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The following are changes across a number of patches, or changes worth
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noting, but not needing a full description.
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* Rename Makefiles from .inc to .mk to better identify them
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* SPI: Add GD25LQ255E and IS25WP256D chip support
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* device: Add support for multiple PCI segment groups
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* device: Drop unused multiple downstream link support
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* device: Rename bus and link_list to upstream and downstream
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* Updated devicetree files for modern Intel platforms to use chipset.cb
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* Updated xeon-sp to use the coreboot allocator
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* Changes that only need a line or two of description go here.
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Changes to external resources
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-----------------------------
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### Toolchain updates
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* Add buildgcc support for Apple M1/M2 devices
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* crossgcc: Upgrade GCC from 11.4.0 to 13.2.0
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* util/crossgcc: Update CMake from 3.26.4 to 3.27.7
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* util/kconfig: Uprev to Linux 6.7 kconfig
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### Git submodule pointers
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* /3rdparty/amd_blobs: Update from commit id e4519efca7 to 64cdd7c8ef
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(5 commits)
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* /3rdparty/arm-trusted-firmware: Update from commit id 88b2d81345 to
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17bef2248d (701 commits)
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* /3rdparty/fsp: Update from commit id 481ea7cf0b to 507ef01cce (16 commits)
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* /3rdparty/intel-microcode: Update from commit id 6788bb07eb to
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ece0d294a2 (1 commits)
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* /3rdparty/vboot: Update from commit id 24cb127a5e to 3d37d2aafe (121
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commits)
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### External payloads
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* payload/grub2: Update from 2.06 to 2.12
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* payload/seabios: Update from 1.16.2 to 1.16.3
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Platform Updates
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----------------
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### Added mainboards:
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* To be filled in immediately before the release by the release team
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* Google: Dita
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* Google: Xol
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* Lenovo: ThinkPad X230 eDP Mod (2K/FHD)
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### Removed Mainboards
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* To be filled in immediately before the release by the release team
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* Google -> Primus4ES
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### Updated SoCs
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* To be filled in immediately before the release by the release team
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Plans to move platform support to a branch
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------------------------------------------
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* To be filled in immediately before the release by the release team
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Statistics from the 4.22 to the 24.02 release
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--------------------------------------------
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* To be filled in immediately before the release by the release team
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* Total Commits: 814
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* Average Commits per day: 8.65
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* Total lines added: 105203
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* Average lines added per commit: 129.24
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* Number of patches adding more than 100 lines: 46
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* Average lines added per small commit: 41.34
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* Total lines removed: 16505
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* Average lines removed per commit: 20.28
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* Total difference between added and removed: 88698
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* Total authors: 111
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* New authors: 19
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Significant Known and Open Issues
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---------------------------------
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Issues from the coreboot bugtracker: https://ticket.coreboot.org/
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* To be filled in immediately before the release by the release team
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* AMD chromebooks will not currently work with the signed vboot image.
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## Issues from the coreboot bugtracker: https://ticket.coreboot.org/
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### coreboot-wide or architecture-wide issues
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```eval_rst
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+-----+-----------------------------------------------------------------+
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| # | Subject |
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+=====+=================================================================+
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| 522 | 'region_overlap()' issues due to an integer overflow. |
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+-----+-----------------------------------------------------------------+
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| 519 | make gconfig - could not find glade file |
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+-----+-----------------------------------------------------------------+
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| 518 | make xconfig - g++: fatal error: no input files |
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+-----+-----------------------------------------------------------------+
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```
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### Payload-specific issues
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```eval_rst
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+-----+-----------------------------------------------------------------+
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| # | Subject |
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+=====+=================================================================+
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| 499 | edk2 boot fails with RESOURCE_ALLOCATION_TOP_DOWN enabled |
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+-----+-----------------------------------------------------------------+
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| 496 | Missing malloc check in libpayload |
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+-----+-----------------------------------------------------------------+
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| 484 | No USB keyboard support with secondary payloads |
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+-----+-----------------------------------------------------------------+
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| 414 | X9SAE-V: No USB keyboard init on SeaBIOS using Radeon RX 6800XT |
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+-----+-----------------------------------------------------------------+
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```
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### Platform-specific issues
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```eval_rst
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+-----+-----------------------------------------------------------------+
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| # | Subject |
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+=====+=================================================================+
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| 517 | lenovo x230 boot stuck with connected external monitor |
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+-----+-----------------------------------------------------------------+
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| 509 | SD Card hotplug not working on Apollo Lake |
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+-----+-----------------------------------------------------------------+
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| 507 | Windows GPU driver fails on Google guybrush & skyrim boards |
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+-----+-----------------------------------------------------------------+
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| 506 | APL/GML don't boot OS when CPU microcode included "from tree" |
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+-----+-----------------------------------------------------------------+
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| 505 | Harcuvar CRB - 15 of 16 cores present in the operating system |
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+-----+-----------------------------------------------------------------+
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| 499 | T440p - EDK2 fails with RESOURCE_ALLOCATION_TOP_DOWN enabled |
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+-----+-----------------------------------------------------------------+
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| 495 | Stoney Chromebooks not booting PSPSecureOS |
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+-----+-----------------------------------------------------------------+
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| 478 | X200 booting Linux takes a long time with TSC |
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+-----+-----------------------------------------------------------------+
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| 474 | X200s crashes after graphic init with 8GB RAM |
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+-----+-----------------------------------------------------------------+
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| 457 | Haswell (t440p): CAR mem region conflicts with CBFS_SIZE > 8mb |
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+-----+-----------------------------------------------------------------+
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| 453 | Intel HDMI / DP Audio not present in Windows after libgfxinit |
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+-----+-----------------------------------------------------------------+
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| 449 | ThinkPad T440p fail to start, continuous beeping & LED blinking |
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+-----+-----------------------------------------------------------------+
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| 448 | Thinkpad T440P ACPI Battery Value Issues |
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+-----+-----------------------------------------------------------------+
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| 446 | Optiplex 9010 No Post |
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+-----+-----------------------------------------------------------------+
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| 439 | Lenovo X201 Turbo Boost not working (stuck on 2,4GHz) |
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+-----+-----------------------------------------------------------------+
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| 427 | x200: Two battery charging issues |
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+-----+-----------------------------------------------------------------+
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| 412 | x230 reboots on suspend |
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+-----+-----------------------------------------------------------------+
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| 393 | T500 restarts rather than waking up from suspend |
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+-----+-----------------------------------------------------------------+
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| 350 | I225 PCIe device not detected on Harcuvar |
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+-----+-----------------------------------------------------------------+
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```
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