Just another ping... Daniel, Dave - maybe you could give some advise on that ? P.S I tried with Intel card (i915) driver on 4.18.1 kernel to do the same to get some reference point, but it just hanged. Andrey On 08/27/2018 12:04 PM, Andrey Grodzovsky wrote: > Hi everybody , I am trying to resolve various problems I observe when > logically removing AMDGPU device from pci - echo 1 > > /sys/class/drm/card0/device/remove > > One of the problems I encountered was hitting WARNs in > amdgpu_gem_force_release. It complaints about still open client FDs > and BOs allocations which is obvious since > > we didn't let user space clients know about the device removal and > hence they won't release allocations and won't close their FDs. > > Question - how other drivers handle this use case, especially eGPUs > since they indeed may be extracted in any moment, is there any way to > notify Xorg and other clients about this so they may > > have a chance to release all their allocations and probably terminate > ? Maybe some kind of uevent ? > > Andrey >