Using patch from QubeOS allows for booting VMs with recent kernel 6.12 https://github.com/QubesOS/qubes-vmm-xen/blob/main/0630-tools-xg-increase-LZMA_BLOCK_SIZE-for-uncompressing-.patch Reproducible: Always Steps to Reproduce: Booting kernel 6.12 Actual Results: domainbuilder: detail: _xc_try_lzma_decode: XZ decompression error: Memory usage limit reached Expected Results: Booting the VM