On 06/15/2011 02:58 PM, Jason Krieg wrote:
On 09/21/2010 02:31 PM, Gleb Natapov wrote:
Without this BIOS fails to remap 0xf0000 memory from ROM to RAM so
writes
to F-segment modify ROM content instead of memory copy. Since QEMU does
not reloads ROMs during reset on next boot modified copy of BIOS is
used.
Signed-off-by: Gleb Natapov<gleb@xxxxxxxxxx>
diff --git a/hw/piix_pci.c b/hw/piix_pci.c
index 933ad86..0bf435d 100644
--- a/hw/piix_pci.c
+++ b/hw/piix_pci.c
@@ -99,10 +99,6 @@ static void
i440fx_update_memory_mappings(PCII440FXState *d)
int i, r;
uint32_t smram, addr;
- if (kvm_enabled()) {
- /* FIXME: Support remappings and protection changes. */
- return;
- }
update_pam(d, 0xf0000, 0x100000, (d->dev.config[I440FX_PAM]>>
4)& 3);
for(i = 0; i< 12; i++) {
r = (d->dev.config[(i>> 1) + (I440FX_PAM + 1)]>> ((i& 1)
* 4))& 3;
--
Gleb.
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Hi,
While testing migration from old to new kvm ( 0.12.5 to 0.14.x ) and
after fixing
some other problems mainly version_id probs in some of the
VMStateDescriptions
everything was working fine until I tried to migrate Windows guests
they would crash
after running some time. Linux guests are running stable.
So I decided to do a git bisect to identify the according commit.
Reverting this commit fixes this problem with Windows guests.
What consequences might it have not updating these memory mappings ?
Resets may fail.
Does this commit need a specific seabios version, we have seabios
0.6.0 with qemu-kvm 0.12.5
and seabios 0.6.1.2 with qemu-kvm 0.14.1 ?
IIUC newer seabios depends on this commit, but this commit does not
depend on seabios.
Maybe instead of reverting this commit one could check the seabios
version in this method
and only do an update of these piix PAM registers if running with a
newer seabios version ?
It would be better to first understand what's going wrong.
--
error compiling committee.c: too many arguments to function
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