Linux 5.14 To Allow Hot Unplug Of AMD Radeon GPUs
Written by Michael Larabel in Radeon on 25 May 2021 at 03:18 PM EDT. 14 Comments
RADEON --
Linux 5.14 to debut later in the summer will allow for hot unplugging of AMD Radeon graphics cards such as when using an external GPU enclosure or passing back a GPU from a virtual machine to the host. Up until now the AMDGPU kernel driver hasn't cooperated nicely with the Radeon GPU for hot unplug events.

Going back a number of months AMD developers have been working to better support GPU hot unplug handling for AMD Radeon graphics cards as the current behavior could lead to system crashes and other problems when removing an "eGPU" enclosure or otherwise removing the graphics card from the system while in operation.

But sent in today as part of the latest drm-misc-next material for DRM-Next to in turn land with the Linux 5.14 cycle this summer is that AMDGPU hot unplug handling.

So assuming no other lingering issues, AMD Radeon graphics cards can now gracefully handle hot unplugging with Linux.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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