Xen: Unable to start Alpine PVH domU after linux-virt upgrade to 5.15.1-r3
After upgrading linux-virt in a Alpine edge PVH domU from 5.10.x to 5.15.1-r3, Xen is unable to start the VM:
xc: error: panic: xc_dom_bzimageloader.c:774: xc_dom_probe_bzimage_kernel: unknown compression format: Invalid kernel
xc: error: panic: xc_dom_core.c:691: xc_dom_find_loader: no loader found: Invalid kernel
libxl: error: libxl_dom.c:747:libxl__build_dom: xc_dom_parse_image failed
libxl: error: libxl_create.c:1420:domcreate_rebuild_done: Domain 44:cannot (re-)build domain: -3
libxl: error: libxl_domain.c:1177:libxl__destroy_domid: Domain 44:Non-existant domain
libxl: error: libxl_domain.c:1131:domain_destroy_callback: Domain 44:Unable to destroy guest
libxl: error: libxl_domain.c:1058:domain_destroy_cb: Domain 44:Destruction of domain failed
Xen version is 4.13.4 on Alpine 3.12-stable.