On Thu, 18 May 2023 18:38:46 -0700 Davidlohr Bueso <dave@xxxxxxxxxxxx> wrote: > On Fri, 19 May 2023, LiuLele wrote: > > >In my testing CXL device /sys/bus/cxl/devices/mem0 not created, and the get error messages : > > > >``` > >cxl_pci 0000:0d:00.0: Failed to get interrupt for event Info log > >``` > > > >My test environment is a qemu CXL emulator with qemu v8.0.0, Linux kernel v6.3.0. > >While with kernel 5.9.13, /sys/bus/cxl/devices/mem0 can be created. > > Yes, this can be annoying and would argue the probe should not error out. > Regardless, the actual qemu support is in Jonathan's tree: > > https://gitlab.com/jic23/qemu/-/commit/a04e6476df363d1f6bc160577b30dda6564d3f67 That just failed to make it into an upstream pull request today due to some bugs in a the poison list set that came before it :( v6 or poison list and events support are both on list now and hopefully will make this QEMU cycle so be in 8.1 Jonathan > > Thanks, > Davidlohr