* Samarth Saxena (samar...@cadence.com) wrote: > Hi All, > > I am trying the following command to run Qemu with Kernel 5.14.
cc'ing in Ben who I think owns the CXL stuff. > qemu-system-x86_64 -M q35,accel=kvm,nvdimm=on,cxl=on,hmat=on -m > 8448M,slots=2,maxmem=16G -smp 8,sockets=2,cores=2,threads=2 -hda > /lan/dscratch/singhabh/shradha/ubuntu-20.10-64_with_orig_driver_backup.qcow2 > -enable-kvm -usbdevice tablet -L $VB_ROOT/etc/vm/common/ -object > memory-backend-ram,id=cxl-ram,share=on,size=256M -device > "pxb-cxl,id=cxl.0,bus=pcie.0,bus_nr=52,uid=0,len-window-base=1,window-base[0]=0x4c0000000,memdev[0]=cxl-ram" > -device cxl-rp,id=rp0,bus=cxl.0,addr=0.0,chassis=0,slot=0 -device > cxl-type3,bus=rp0,memdev=cxl-ram,id=cxl-vmem0,size=256M -numa > node,nodeid=0,memdev=cxl-ram -object > memory-backend-ram,id=other-ram,size=8G,prealloc=n,share=off -numa > node,nodeid=1,memdev=other-ram,initiator=0 -numa cpu,node-id=0,socket-id=0 > -numa cpu,node-id=0,socket-id=1 You probably need to state which qemu tree and version you're using here. > I get the following crash before the machine starts to boot. > > qemu-system-x86_64: ../softmmu/memory.c:2443: > memory_region_add_subregion_common: Assertion `!subregion->container' failed. It's probably best to check with Ben, but you'll want a backtrace and figure out which subregion and region you're dealing with. Dave > > Please help me find what's wrong here. > > Regards, > [CadenceLogoRed185Regcopy1583174817new51584636989.png]<https://www.cadence.com/en_US/home.html> > Samarth Saxena > Sr Principal Software Engineer > T: +911204308300 > [UIcorrectsize1583179003.png]<https://www.cadence.com/en_US/home.html> > [16066EmailSignatureFortune100Best2021White92x1271617625037.png]<https://www.cadence.com/en_US/home/company/careers.html> > > > > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
