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Merge pull request #5544 from unsuman/fix-5511

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driver(qemu): disable the TPM PPI on HVF with QEMU >= 11.0
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Akihiro Suda authored and GitHub committed 2026-09-26 09:26:09 +09:00
2 parents 16f0697be7 3f981bea4d
commit c4113bfba6
1 file changed
+9 -1
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pkg/driver/qemu/qemu.go
+9 -1
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@@ -796,7 +796,15 @@ func Cmdline(ctx context.Context, cfg Config) (exe string, args []string, err er
default:
return "", nil, fmt.Errorf("TPM is not supported for architecture %#q", *y.Arch)
}
args = append(args, "-device", tpmDevice+",tpmdev=tpm0")
tpmDevice += ",tpmdev=tpm0"
// QEMU >= 11.0 aborts under HVF when the guest has a RAM region smaller than the host page
// size, and the TPM PPI region is 0x400 bytes.
// https://gitlab.com/qemu-project/qemu/-/issues/4587
if accel == "hvf" && version != nil && !version.LessThan(*semver.New("11.0.0")) {
logrus.Warnf("Disabling the TPM PPI to work around https://gitlab.com/qemu-project/qemu/-/issues/4587 (QEMU %v with HVF); QEMU 10.1.x does not need this", version)
tpmDevice += ",ppi=off"
}
args = append(args, "-device", tpmDevice)
}
// Network