diff --git a/cpus.c b/cpus.c
index 361678e45943c2b2e2825071a569a5697ec708ee..78040718725974d0a42845ac99a004b4950e6b2a 100644
--- a/cpus.c
+++ b/cpus.c
@@ -211,12 +211,12 @@ void qemu_tcg_configure(QemuOpts *opts, Error **errp)
                 error_setg(errp, "No MTTCG when icount is enabled");
             } else {
 #ifndef TARGET_SUPPORTS_MTTCG
-                error_report("Guest not yet converted to MTTCG - "
-                             "you may get unexpected results");
+                warn_report("Guest not yet converted to MTTCG - "
+                            "you may get unexpected results");
 #endif
                 if (!check_tcg_memory_orders_compatible()) {
-                    error_report("Guest expects a stronger memory ordering "
-                                 "than the host provides");
+                    warn_report("Guest expects a stronger memory ordering "
+                                "than the host provides");
                     error_printf("This may cause strange/hard to debug errors\n");
                 }
                 mttcg_enabled = true;
diff --git a/hw/display/cg3.c b/hw/display/cg3.c
index 1c199ab369939b93c209341bc71ed90abc1f5529..e50d97e48c4832a4499c88be26e5166cbce61806 100644
--- a/hw/display/cg3.c
+++ b/hw/display/cg3.c
@@ -307,7 +307,7 @@ static void cg3_realizefn(DeviceState *dev, Error **errp)
         ret = load_image_mr(fcode_filename, &s->rom);
         g_free(fcode_filename);
         if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) {
-            error_report("cg3: could not load prom '%s'", CG3_ROM_FILE);
+            warn_report("cg3: could not load prom '%s'", CG3_ROM_FILE);
         }
     }
 
diff --git a/hw/display/tcx.c b/hw/display/tcx.c
index b2786ee8d0edcb1424d5e379255b67daca7265c5..66f24592267448a8308b414c13c43edd4067eae0 100644
--- a/hw/display/tcx.c
+++ b/hw/display/tcx.c
@@ -823,7 +823,7 @@ static void tcx_realizefn(DeviceState *dev, Error **errp)
         ret = load_image_mr(fcode_filename, &s->rom);
         g_free(fcode_filename);
         if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) {
-            error_report("tcx: could not load prom '%s'", TCX_ROM_FILE);
+            warn_report("tcx: could not load prom '%s'", TCX_ROM_FILE);
         }
     }
 
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 8cb17b9dd4457f13b9e388759ce55a6212814113..f88910e55c21f183203e323fc10abdab8e06c3f8 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -1288,8 +1288,8 @@ static void ivshmem_realize(PCIDevice *dev, Error **errp)
     IVShmemState *s = IVSHMEM_COMMON(dev);
 
     if (!qtest_enabled()) {
-        error_report("ivshmem is deprecated, please use ivshmem-plain"
-                     " or ivshmem-doorbell instead");
+        warn_report("ivshmem is deprecated, please use ivshmem-plain"
+                    " or ivshmem-doorbell instead");
     }
 
     if (qemu_chr_fe_backend_connected(&s->server_chr) + !!s->shmobj != 1) {
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 4bdd5b8532d8e810fcfdf60a3b1d1073db21e18a..385b1a03e9a4c546bf52db1c3e6fe546c2e90bd7 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -2020,10 +2020,10 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
 
     if (n->net_conf.tx && strcmp(n->net_conf.tx, "timer")
                        && strcmp(n->net_conf.tx, "bh")) {
-        error_report("virtio-net: "
-                     "Unknown option tx=%s, valid options: \"timer\" \"bh\"",
-                     n->net_conf.tx);
-        error_report("Defaulting to \"bh\"");
+        warn_report("virtio-net: "
+                    "Unknown option tx=%s, valid options: \"timer\" \"bh\"",
+                    n->net_conf.tx);
+        error_printf("Defaulting to \"bh\"");
     }
 
     n->net_conf.tx_queue_size = MIN(virtio_net_max_tx_queue_size(n),
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 3a01fe90f0fb7eecc7db8ba570982a609fb6a7fe..a954799267398543729ab7f11d72cb2a1c08e52a 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1683,8 +1683,8 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
         if (err) {
             /* Notice when a system that supports MSIx can't initialize it */
             if (err != -ENOTSUP) {
-                error_report("unable to init msix vectors to %" PRIu32,
-                             proxy->nvectors);
+                warn_report("unable to init msix vectors to %" PRIu32,
+                            proxy->nvectors);
             }
             proxy->nvectors = 0;
         }
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index c88876dfe3d337ccbbef1e6303506bff351fe454..9d4217afba7e75c66b5a8af0962d66c213c9244f 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5123,14 +5123,15 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
      * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
      * cs->nr_threads hasn't be populated yet and the checking is incorrect.
      */
-     if (IS_AMD_CPU(env) &&
-         !(env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_TOPOEXT) &&
-         cs->nr_threads > 1 && !ht_warned) {
-            error_report("This family of AMD CPU doesn't support "
-                         "hyperthreading(%d). Please configure -smp "
-                         "options properly or try enabling topoext feature.",
-                         cs->nr_threads);
-        ht_warned = true;
+    if (IS_AMD_CPU(env) &&
+        !(env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_TOPOEXT) &&
+        cs->nr_threads > 1 && !ht_warned) {
+            warn_report("This family of AMD CPU doesn't support "
+                        "hyperthreading(%d)",
+                        cs->nr_threads);
+            error_printf("Please configure -smp options properly"
+                         " or try enabling topoext feature.\n");
+            ht_warned = true;
     }
 
     x86_cpu_apic_realize(cpu, &local_err);
diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
index 263e63cb03509b79a1cde09e39c8fc1766f8ae04..ee9432eb158c74ab1b15517e57d7c8e0bcb96fb2 100644
--- a/target/ppc/translate_init.inc.c
+++ b/target/ppc/translate_init.inc.c
@@ -8381,8 +8381,8 @@ static void getset_compat_deprecated(Object *obj, Visitor *v, const char *name,
     QNull *null = NULL;
 
     if (!qtest_enabled()) {
-        error_report("CPU 'compat' property is deprecated and has no effect; "
-                     "use max-cpu-compat machine property instead");
+        warn_report("CPU 'compat' property is deprecated and has no effect; "
+                    "use max-cpu-compat machine property instead");
     }
     visit_type_null(v, name, &null, NULL);
     qobject_unref(null);