On Mon, 19 Nov 2018 at 21:40, Michel Dänzer <mic...@daenzer.net> wrote: > > On 2018-11-18 7:34 a.m., Qu Wenruo wrote: > > Hi, > > > > Recently I got a eGPU closure which contains an RX580. > > > > Xorg server detects it and PRIME works mostly fine. > > > > However amdgpu kernel module keeps panicing the whole kernel when the > > eGPU is disconnected, either hot plugged out or using the pci remove > > sysfs interface. > > > > And rmmod amdgpu returns EBUSY. > > So this means I can only hot plug-in, but not hot plug-out. > > > > I'm wondering is there anyway to make xorg-server to release amdgpu > > usage and then unload the kernel module before hot plug out or pci remove. > > If you want to use displays connected to the eGPU, you're out of luck. > Once Xorg has initialized a driver for a GPU, there's no way to unload > it until Xorg shuts down.
USB hotplug works fine, you can remove things all day, it shouldn't be hard to make PCI hotplug work. though I seem to remember some problem around cursor privates making it hard. Dave. _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
