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Update README.md:

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Update AMDVLK README.md to add a known issue that the driver can only work with firmware of ME feature version >= 25
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Jacob He 2019-04-03 15:23:25 +08:00
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@ -49,6 +49,7 @@ The following features and improvements are planned in future releases (Please r
### Known Issues
* CTS may hang in VK.synchronization.internally_synchronized_objects.pipeline_cache_compute with Linux kernel versions lower than 4.13
* The driver can only work with firmware of ME feature version >= 25 (you can check the version with command "sudo cat /sys/kernel/debug/dri/0/amdgpu_firmware_info"). If you are using upstream stack with GPUs of SI or CI family, you may need to upgrade the kernel to 4.19 or later version and firmware (under /lib/firmware/amdgpu/) to the right version from https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/amdgpu, and then update ramfs (sudo mkinitramfs -o /boot/initrd.img-\`uname -r\` \`uname -r\`)
### How to Contribute
You are welcome to submit contributions of code to the AMD Open Source Driver for Vulkan.