This change works perfectly, thank you!
On Wed, Mar 3, 2021 at 1:26 AM Michael S. Tsirkin <m...@redhat.com> wrote:
> Can you try this please:
>
> git://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git tags/for_upstream
>
> ?
>
>
> On Tue, Mar 02, 2021 at 09:59:47PM -0800, Nick S wrote:
> > I found the commit that breaks my VM. Anybody has any background on why
> it was
> > done? The comments are fairly extensive, but they are Mac related and I
> am
> > running Windows 10 with UEFI. My VM is pc-q35-4.2 and this change
> definitely
> > breaks Windows 10. Anything before I can check out, compile and it runs
> fine.
> > Anything after this commit and it produces that boot device inaccessible
> error.
> > Reverting this change on the current master also makes it work fine.
> >
> > git diff af1b80ae56c9495999e8ccf7b70ef894378de642~
> > af1b80ae56c9495999e8ccf7b70ef894378de642
> > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> > index b7bcbbbb2a..7a5a8b3521 100644
> > --- a/hw/i386/acpi-build.c
> > +++ b/hw/i386/acpi-build.c
> > @@ -1497,7 +1497,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> > dev = aml_device("PCI0");
> > aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
> > aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
> > - aml_append(dev, aml_name_decl("_UID", aml_int(1)));
> > + aml_append(dev, aml_name_decl("_UID", aml_int(0)));
> > aml_append(sb_scope, dev);
> > aml_append(dsdt, sb_scope);
> >
> > @@ -1512,7 +1512,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> > aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08")));
> > aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03")));
> > aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
> > - aml_append(dev, aml_name_decl("_UID", aml_int(1)));
> > + aml_append(dev, aml_name_decl("_UID", aml_int(0)));
> > aml_append(dev, build_q35_osc_method());
> > aml_append(sb_scope, dev);
> > aml_append(dsdt, sb_scope);
> >
> > It looks like a regression issue in 5.2.x so I registered a bug for
> it: https:/
> > /bugs.launchpad.net/qemu/+bug/1917565
> >
> >
> > On Sun, Feb 28, 2021 at 9:13 PM Nick S <nick.kv...@gmail.com> wrote:
> >
> >
> > I have a VM set up on a USB SSD drive that I assign directly using
> linux
> > device (-blockdev
> '{"driver":"host_device","filename":"/dev/disk/by-id/
> >
>
> scsi-1SanDisk_Extreme_SSD_20072F404043","aio":"native","node-name":"libvirt-2-storage","cache":
> >
> {"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}')
> >
> > I've been using it for a few years now and recently decided to
> compile the
> > most recent version of qemu to do some hacking. To my surprise, when
> I
> > compiled the master branch, Windows failed to load with the "Boot
> Device
> > Inaccessible" error. I went through tags in git and the latest tag
> that
> > works is 5.1.0. On 5.2.0-rc0 I started getting this error. Was
> something
> > changed recently for passing a linux block device as "raw"?
> >
> > Thank you,
> > Nick
> >
>
>
