Re: [Qemu-devel] [PATCH v6] s390x/cpu: expose the guest crash information

[Christian Borntraeger]

On 02/07/2018 01:38 PM, Christian Borntraeger wrote:

> --- a/vl.c
> +++ b/vl.c
> @@ -1738,7 +1738,7 @@ void qemu_system_reset(ShutdownCause reason)
> 
>  void qemu_system_guest_panicked(GuestPanicInformation *info)
>  {
> -    qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
> +    qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
> 
>      if (current_cpu) {
>          current_cpu->crash_occurred = true;
> @@ -1754,13 +1754,21 @@ void qemu_system_guest_panicked(GuestPanicInformation 
> *info)
> 
>      if (info) {
>          if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
> -            qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
> +            qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
>                            " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
>                            info->u.hyper_v.arg1,
>                            info->u.hyper_v.arg2,
>                            info->u.hyper_v.arg3,
>                            info->u.hyper_v.arg4,
>                            info->u.hyper_v.arg5);
> +        } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
> +            qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
> +                          "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
> +                          info->u.s390.core,
> +                          qapi_enum_lookup(&S390CrashReason_lookup,
> +                                           info->u.s390.reason),

Question for the qapi people. Would you prefer S390CrashReason_str instead?

> +                          info->u.s390.psw_mask,
> +                          info->u.s390.psw_addr);
>          }
>          qapi_free_GuestPanicInformation(info);
>      }
>