FWIW, my VMs run with SATA and Virtio SCSI with discard=unmap and detect-zeroes=unmap (among the plethora of options from libvirtd) for maximum space savings. No problems since the fix patches went in and had no bearing on the bug occurence before that.
FWIW, my VMs run with SATA and Virtio SCSI with discard=unmap and detect-zeroes=unmap (among the plethora of options from libvirtd) for maximum space savings. No problems since the fix patches went in and had no bearing on the bug occurence before that.
/usr/bin/ qemu-system- x86_64 -name guest=win10, debug-threads= on -machine pc-q35- 3.1,accel= kvm,usb= off,vmport= off,dump- guest-core= off -m 4096 -smp 2,sockets= 2,cores= 1,threads= 1 -drive file=win10. qcow2,format= qcow2,if= none,id= drive-sata0- 0-2,cache= writeback, discard= unmap,detect- zeroes= unmap -device ide-hd, bus=ide. 2,drive= drive-sata0- 0-2,id= sata0-0- 2,bootindex= 1,write- cache=on
/usr/bin/ qemu-system- x86_64 -name guest=debian, debug-threads= on -machine pc-q35- 4.0.1,accel= kvm,usb= off,vmport= off,dump- guest-core= off capabilities= on,ssbd= on,xsaves= on,pdpe1gb= on,hle= off,rtm= off,mpx= off -m 512 -smp 1,sockets= 1,cores= 1,threads= 1 -device virtio- scsi-pci, id=scsi0, bus=pci. 8,addr= 0x0 -drive file=debian. qcow2,format= qcow2,if= none,id= drive-scsi0- 0-0-0,cache= writeback, discard= unmap,detect- zeroes= unmap -device scsi-hd, bus=scsi0. 0,channel= 0,scsi- id=0,lun= 0,device_ id=drive- scsi0-0- 0-0,drive= drive-scsi0- 0-0-0,id= scsi0-0- 0-0,bootindex= 1,write- cache=on