Luca Tettamanti wrote:
Hello,
I'm testing the new Fedora7 under KVM. As you may know Fedora has
migrated to the new libata drivers.
ata_piix is unhappy with the PIIX IDE controller provided by QEmu/KVM:
[...]
The following patch fixes the problem (i.e. ata_piix finds both the HD
and the cdrom):
--- a/hw/ide.c 2007-06-04 19:34:25.000000000 +0200
+++ b/hw/ide.c 2007-06-04 21:45:28.000000000 +0200
@@ -2586,6 +2586,8 @@ static void piix3_reset(PCIIDEState *d)
pci_conf[0x06] = 0x80; /* FBC */
pci_conf[0x07] = 0x02; // PCI_status_devsel_medium
pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */
+ pci_conf[0x41] = 0x80; // enable port 0
+ pci_conf[0x43] = 0x80; // enable port 1
}
void pci_piix_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn)
I imagine the reset state in the spec is disabled? If so, then the
long-term fix is to enable these bits in the bios.
In any case, I applied this to the kvm repo. Thanks.
--
error compiling committee.c: too many arguments to function
