shutdown or reboot hang with "[TTM] Buffer eviction failed" in qxl_fence_wait()

Solution Verified - Updated -

Issue

  • Shutdown/ reboot hang with Kernel Ring Buffer flooded with following messages:-
crash> log
[--]
[18165.659875] [TTM] Buffer eviction failed
[18181.020410] [TTM] Buffer eviction failed
[18196.381773] [TTM] Buffer eviction failed
[18211.748178] [TTM] Buffer eviction failed
[18227.101825] [TTM] Buffer eviction failed
[18242.462246] [TTM] Buffer eviction failed
[18257.825464] [TTM] Buffer eviction failed
[18273.183248] [TTM] Buffer eviction failed
[--]

Environment

  • Red Hat KVM
  • Red Hat Enterprise Linux 9.6
  • QXL

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