112 lines
5.7 KiB
ReStructuredText
112 lines
5.7 KiB
ReStructuredText
.. _release_notes_2.1:
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ACRN v2.1 (Aug 2020)
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####################
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We are pleased to announce the release of the Project ACRN
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hypervisor version 2.1.
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ACRN is a flexible, lightweight reference hypervisor that is built with
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real-time and safety-criticality in mind. It is optimized to streamline
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embedded development through an open source platform. Check out
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:ref:`introduction` introduction for more information. All project ACRN
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source code is maintained in the
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https://github.com/projectacrn/acrn-hypervisor repository and includes
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folders for the ACRN hypervisor, the ACRN device model, tools, and
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documentation. You can either download this source code as a zip or
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tar.gz file (see the `ACRN v2.1 GitHub release page
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<https://github.com/projectacrn/acrn-hypervisor/releases/tag/v2.1>`_) or
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use Git clone and checkout commands::
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git clone https://github.com/projectacrn/acrn-hypervisor
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cd acrn-hypervisor
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git checkout v2.1
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The project's online technical documentation is also tagged to
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correspond with a specific release: generated v2.1 documents can be
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found at https://projectacrn.github.io/2.1/. Documentation for the
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latest under-development branch is found at
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https://projectacrn.github.io/latest/.
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ACRN v2.1 requires Ubuntu 18.04. Follow the instructions in the
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:ref:`rt_industry_ubuntu_setup` to get started with ACRN.
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We recommend that all developers upgrade to ACRN release v2.1.
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What's New in v2.1
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******************
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* Preempt-RT Linux has been validated as a pre-launched realtime VM. See
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:ref:`pre_launched_rt` for more details.
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* A Trusted Platform Module (TPM) MMIO device can be passthroughed to a
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pre-launched VM (with some limitations discussed in
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:ref:`mmio-device-passthrough`). Previously passthrough was only
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supported for PCI devices.
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* Open Virtual Machine Firmware (OVMF) now uses a Local Advanced
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Programmable Interrupt Controller (LAPIC) timer as its local time
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instead of the High Precision Event Timer (HPET). This provides the
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working timer service for the realtime virtual machine (RTVM) booting
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process.
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* Grub is the recommended bootloader for ACRN. For more information,
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see :ref:`using_grub`.
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Improvements, updates, and corrections have been made throughout our documentation,
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including these:
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* :ref:`contribute_guidelines`
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* :ref:`hv_rdt`
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* :ref:`ivshmem-hld`
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* :ref:`mmio-device-passthrough`
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* :ref:`virtio-net`
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* :ref:`getting-started-building`
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* :ref:`acrn_configuration_tool`
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* :ref:`pre_launched_rt`
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* :ref:`rdt_configuration`
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* :ref:`using_hybrid_mode_on_nuc`
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* :ref:`using_partition_mode_on_nuc`
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* :ref:`using_windows_as_uos`
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* :ref:`debian_packaging`
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Fixed Issues Details
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********************
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- :acrn-issue:`4047` - [WHL][Function][WaaG] passthru usb, Windows will hang when reboot it
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- :acrn-issue:`4691` - [WHL][Function][RTVM]without any virtio device, with only pass-through devices, RTVM can't boot from SATA
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- :acrn-issue:`4711` - [WHL][Stabilty][WaaG]Failed to boot up WaaG with core dumped in WaaG reboot test in GVT-d & CPU sharing env.
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- :acrn-issue:`4897` - [WHL][Yocto][GVT-d]WaaG reboot failed due to USB mediator trouble in WaaG reboot stability test.
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- :acrn-issue:`4937` - [EHL][Yocto] Fail to boot ACRN on Yocto
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- :acrn-issue:`4958` - cleanup spin lock in hypervisor
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- :acrn-issue:`4989` - [WHL][Yocto][acrn-configuration-tool] Fail to generate board xml on Yocto build
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- :acrn-issue:`4991` - [WHL][acrn-configuration-tool] vuart1 of VM1 does not change correctly
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- :acrn-issue:`4994` - Default max MSIx table is too small
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- :acrn-issue:`5013` - [TGL][Yocto][YaaG] Can't enter console #1 via HV console
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- :acrn-issue:`5015` - [EHL][TGL][acrn-configuration-tool] default industry xml is only support 2 user vms
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- :acrn-issue:`5016` - [EHL][acrn-configuration-tool] Need update pci devices for ehl industry launch xmls
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- :acrn-issue:`5029` - [TGL][Yocto][GVT] can not boot and login waag with GVT-D
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- :acrn-issue:`5039` - [acrn-configuration-tool]minor fix for launch config tool
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- :acrn-issue:`5041` - Pre-Launched VM boot not successful if SR-IOV PF is passed to
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- :acrn-issue:`5049` - [WHL][Yocto][YaaG] Display stay on openembedded screen when launch YaaG with GVT-G
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- :acrn-issue:`5056` - [EHL][Yocto]Can't enable SRIOV on EHL SOS
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- :acrn-issue:`5062` - [EHL] WaaG cannot boot on EHL when CPU sharing is enabled
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- :acrn-issue:`5066` - [WHL][Function] Fail to launch YaaG with usb mediator enabled
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- :acrn-issue:`5067` - [WHL][Function][WaaG] passthru usb, Windows will hang when reboot it
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- :acrn-issue:`5085` - [EHL][Function]Can't enable SRIOV when add memmap=64M$0xc0000000 in cmdline on EHL SOS
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- :acrn-issue:`5091` - [TGL][acrn-configuration-tool] generate tgl launch script fail
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- :acrn-issue:`5092` - [EHL][acrn-config-tool]After WebUI Enable CDP_ENABLED=y ,build hypervisor fail
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- :acrn-issue:`5094` - [TGL][acrn-configuration-tool] Board xml does not contain SATA information
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- :acrn-issue:`5095` - [TGL][acrn-configuration-tool] Missing some default launch script xmls
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- :acrn-issue:`5107` - Fix size issue used for memset in create_vm
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- :acrn-issue:`5115` - [REG][WHL][WAAG] Shutdown waag fails under CPU sharing status
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- :acrn-issue:`5122` - [WHL][Stabilty][WaaG][GVT-g & GVT-d]Failed to boot up SOS in cold boot test.
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Known Issues
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************
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- :acrn-issue:`4313` - [WHL][VxWorks] Failed to ping when VxWorks passthru network
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- :acrn-issue:`5150` - [REG][WHL][[Yocto][Passthru] Launch RTVM fails with usb passthru
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- :acrn-issue:`5151` - [WHL][VxWorks] Launch VxWorks fails due to no suitable video mode found
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- :acrn-issue:`5152` - [WHL][Yocto][Hybrid] in hybrid mode ACRN HV env, can not shutdown pre-lanuched RTVM
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- :acrn-issue:`5154` - [TGL][Yocto][PM] 148213_PM_SystemS5 with life_mngr fail
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- :acrn-issue:`5157` - [build from source] during build HV with XML, “TARGET_DIR=xxx” does not work
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