AMD To Restore Retry Faults Behavior To Help With Raven Stability
Written by Michael Larabel in Radeon on 7 January 2020 at 06:57 AM EST. 8 Comments
RADEON --
Last week I reported on a possible workaround for helping AMD APUs with stability issues on recent Linux kernels. That behavior will now be the new temporary default in dealing with stability issues on Raven APUs.

AMDGPU DRM lead maintainer Alex Deucher sent out a patch reverting the earlier change in behavior. The retry faults behavior is now enabled as otherwise the disabled behavior "causes stability issues on some raven boards. Revert for now until a proper fix is completed."

The small patch will hopefully be mainlined soon and backported to Linux 5.4 but in the meantime affected users can also boot their system with amdgpu.noretry=0 to achieve the same experience.

Linux 5.4 has been particularly hard hitting for some Raven APU users with hangs. Though it's not all Raven users but appears to be partially dependent upon the motherboard/firmware at play.
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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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