From 07d01c9c1929e43216005fcc8eccea75776ee0d2 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Wed, 7 Jan 2015 15:36:34 -0200 Subject: [PATCH] smbios: Don't report unknown CPU speed (fix SVVP regression) SVVP requires processor speed on Type 4 structures to not be unknown. This was fixed in SeaBIOS 0.5.0 (in 2009), but the bug was reintroduced in QEMU 2.1. Revert to old behavior and report CPU speed as 2000 MHz instead of unknown. Signed-off-by: Eduardo Habkost Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Paolo Bonzini --- hw/i386/smbios.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/i386/smbios.c b/hw/i386/smbios.c index ae7032adda..12d213769d 100644 --- a/hw/i386/smbios.c +++ b/hw/i386/smbios.c @@ -618,8 +618,9 @@ static void smbios_build_type_4_table(unsigned instance) SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version); t->voltage = 0; t->external_clock = cpu_to_le16(0); /* Unknown */ - t->max_speed = cpu_to_le16(0); /* Unknown */ - t->current_speed = cpu_to_le16(0); /* Unknown */ + /* SVVP requires max_speed and current_speed to not be unknown. */ + t->max_speed = cpu_to_le16(2000); /* 2000 MHz */ + t->current_speed = cpu_to_le16(2000); /* 2000 MHz */ t->status = 0x41; /* Socket populated, CPU enabled */ t->processor_upgrade = 0x01; /* Other */ t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ -- 2.11.4.GIT