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Re: [Qemu-devel] [PATCH v3 1/2] Force timedrift=none on previous machine


From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH v3 1/2] Force timedrift=none on previous machines
Date: Mon, 26 Mar 2012 14:20:52 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120310 Thunderbird/11.0

On 03/21/2012 11:06 AM, Crístian Viana wrote:
The current value for the -rtc timedrift option is none. This patch
makes sure that the old machines configuration will work the same way
even after that option changes its default value.

Signed-off-by: Crístian Viana<address@hidden>

Something's off here:

Using machine: pc-0.14
/home/anthony/build/qemu/x86_64-softmmu/qemu-system-x86_64 -kernel bin/vmlinuz-3.0 -initrd .tmp-22118/initramfs-22118.img.gz -append console=ttyS0 seed=64521 -nographic -enable-kvm -hda .tmp-22118/disk-22118.img -M pc-0.14 -drive file=.tmp-22118/disk-22118.img,if=virtio,snapshot=on -device virtio-balloon-pci -device virtio-serial -net nic,model=virtio -net user -pidfile .tmp-22118/pidfile-22118.pid -qmp unix:.tmp-22118/qmpsock-22118.sock,server,nowait
qemu-system-x86_64: Invalid parameter 'lost_tick_policy'

Regards,

Anthony Liguori

---
  hw/pc_piix.c |   39 +++++++++++++++++++++++++++++++++++++++
  1 files changed, 39 insertions(+), 0 deletions(-)

diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 3f99f9a..08255b5 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -386,6 +386,10 @@ static QEMUMachine pc_machine_v1_0 = {
              .driver   = "isa-fdc",
              .property = "check_media_rate",
              .value    = "off",
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      },
@@ -405,6 +409,10 @@ static QEMUMachine pc_machine_v0_15 = {
              .driver   = "isa-fdc",
              .property = "check_media_rate",
              .value    = "off",
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      },
@@ -449,6 +457,10 @@ static QEMUMachine pc_machine_v0_14 = {
              .driver   = "pc-sysfw",
              .property = "rom_only",
              .value    = stringify(1),
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      },
@@ -505,6 +517,10 @@ static QEMUMachine pc_machine_v0_13 = {
              .driver   = "pc-sysfw",
              .property = "rom_only",
              .value    = stringify(1),
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      },
@@ -565,6 +581,10 @@ static QEMUMachine pc_machine_v0_12 = {
              .driver   = "pc-sysfw",
              .property = "rom_only",
              .value    = stringify(1),
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      }
@@ -633,6 +653,10 @@ static QEMUMachine pc_machine_v0_11 = {
              .driver   = "pc-sysfw",
              .property = "rom_only",
              .value    = stringify(1),
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      }
@@ -713,6 +737,10 @@ static QEMUMachine pc_machine_v0_10 = {
              .driver   = "pc-sysfw",
              .property = "rom_only",
              .value    = stringify(1),
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      },
@@ -728,6 +756,10 @@ static QEMUMachine isapc_machine = {
              .driver   = "pc-sysfw",
              .property = "rom_only",
              .value    = stringify(1),
+        }, {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
          },
          { /* end of list */ }
      },
@@ -740,6 +772,13 @@ static QEMUMachine xenfv_machine = {
      .init = pc_xen_hvm_init,
      .max_cpus = HVM_MAX_VCPUS,
      .default_machine_opts = "accel=xen",
+    .compat_props = (GlobalProperty[]) {
+        {
+            .driver   = "mc146818rtc",
+            .property = "lost_tick_policy",
+            .value    = "none",
+        },
+        { /* end of list */ }
  };
  #endif





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