diff options
| -rw-r--r-- | kvm-all.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kvm-all.c b/kvm-all.c index 2a717e5b50..3f7061a180 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1544,8 +1544,17 @@ static int kvm_init(MachineState *ms) strerror(-ret)); #ifdef TARGET_S390X - fprintf(stderr, "Please add the 'switch_amode' kernel parameter to " - "your host kernel command line\n"); + if (ret == -EINVAL) { + fprintf(stderr, + "Host kernel setup problem detected. Please verify:\n"); + fprintf(stderr, "- for kernels supporting the switch_amode or" + " user_mode parameters, whether\n"); + fprintf(stderr, + " user space is running in primary address space\n"); + fprintf(stderr, + "- for kernels supporting the vm.allocate_pgste sysctl, " + "whether it is enabled\n"); + } #endif goto err; } |