Comment 21 for bug 1835546

Thanks for the extended testing!

Ack that is the only change:
$ git range-diff v4.2.0..cborntra/pv42_v11 v4.2.0..cborntra/pv42_v12
...
13: 3c664ea0a6 = 13: 3c664ea0a6 vhost: correctly turn on VIRTIO_F_IOMMU_PLATFORM
14: 5081c651c9 = 14: 5081c651c9 Sync pv
15: db0a53ee22 ! 15: 295b91aa9d s390x: protvirt: Support unpack facility
    @@ hw/s390x/ipl.c: static void s390_ipl_prepare_qipl(S390CPU *cpu)
     +
     + cpu_physical_memory_read(ipib_pv->pv_header_addr, hdr,
     + ipib_pv->pv_header_len);
    -+ rc = s390_pv_set_sec_parms((uint64_t)hdr,
    ++ rc = s390_pv_set_sec_parms((uintptr_t)hdr,
     + ipib_pv->pv_header_len);
     + g_free(hdr);
     + return rc;
16: 617d3f7be6 = 16: cdfe6c35aa s390x: protvirt: Add migration blocker
...

I integrated that into the PPA build (which does not include i386 btw as we mostly dropped that arch).

=> 4.2-3ubuntu4~ppa2 once PPA build is complete