The commit in question made an incorrect change that resulted in getting O_RDONLY FD instead of O_RDWR preventing any writes to happen with the following error: virQEMUSaveDataWrite:176 : failed to write header to domain save file '/path/to/save.img': Bad file descriptor Fixes: 517248e2394476a3105ff5866b0b718fc6583073 Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 78bfaa5b3a..a35abf2747 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -5949,7 +5949,7 @@ qemuDomainSaveImageDefineXML(virConnectPtr conn, const char *path, if (qemuSaveImageGetMetadata(driver, NULL, path, &def, &data) < 0) goto cleanup; - fd = qemuSaveImageOpen(driver, path, 0, NULL, false); + fd = qemuSaveImageOpen(driver, path, false, NULL, true); if (fd < 0) goto cleanup;