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-rw-r--r--hw/i386/acpi-build.c15
-rw-r--r--hw/i386/pc.c7
-rw-r--r--hw/i386/pc_q35.c8
3 files changed, 18 insertions, 12 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 4d19d91e1b..9776812588 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2750,17 +2750,22 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
ACPI_BUILD_ALIGN_SIZE);
if (tables_blob->len > legacy_table_size) {
/* Should happen only with PCI bridges and -M pc-i440fx-2.0. */
- warn_report("migration may not work.");
+ warn_report("ACPI table size %u exceeds %d bytes,"
+ " migration may not work",
+ tables_blob->len, legacy_table_size);
+ error_printf("Try removing CPUs, NUMA nodes, memory slots"
+ " or PCI bridges.");
}
g_array_set_size(tables_blob, legacy_table_size);
} else {
/* Make sure we have a buffer in case we need to resize the tables. */
if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) {
/* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */
- warn_report("ACPI tables are larger than 64k.");
- warn_report("migration may not work.");
- warn_report("please remove CPUs, NUMA nodes, "
- "memory slots or PCI bridges.");
+ warn_report("ACPI table size %u exceeds %d bytes,"
+ " migration may not work",
+ tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2);
+ error_printf("Try removing CPUs, NUMA nodes, memory slots"
+ " or PCI bridges.");
}
acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE);
}
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 21081041d5..c882f8c2ea 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -384,7 +384,7 @@ ISADevice *pc_find_fdc0(void)
warn_report("multiple floppy disk controllers with "
"iobase=0x3f0 have been found");
error_printf("the one being picked for CMOS setup might not reflect "
- "your intent\n");
+ "your intent");
}
return state.floppy;
@@ -2098,9 +2098,8 @@ static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v,
}
if (value < (1ULL << 20)) {
- warn_report("small max_ram_below_4g(%"PRIu64
- ") less than 1M. BIOS may not work..",
- value);
+ warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB boundary,"
+ "BIOS may not work with less than 1MiB", value);
}
pcms->max_ram_below_4g = value;
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index c1cba584d1..6c4ec4be4e 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -101,9 +101,11 @@ static void pc_q35_init(MachineState *machine)
lowmem = pcms->max_ram_below_4g;
if (machine->ram_size - lowmem > lowmem &&
lowmem & ((1ULL << 30) - 1)) {
- warn_report("Large machine and max_ram_below_4g(%"PRIu64
- ") not a multiple of 1G; possible bad performance.",
- pcms->max_ram_below_4g);
+ warn_report("There is possibly poor performance as the ram size "
+ " (0x%" PRIx64 ") is more then twice the size of"
+ " max-ram-below-4g (%"PRIu64") and"
+ " max-ram-below-4g is not a multiple of 1G.",
+ (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
}
}