qemu-img fails to create images >= 4G On a Windows XP system and an NTFS drive, using QEMU on Windows Ver 0.12.2 from http://homepage3.nifty.com/takeda-toshiya/qemu/ or QEMU 0.12.3 or d3538b45ea88e82d1b01959b4ca55d3696b71cb2 built locally, when I run the following command, a zero-length file is created. qemu-img create foo.img 4G Confirmed under Win 7 64-bit. Also does same thing on v10.6, v11.1, v12.1 what a zero-length file means? Run the following command to see qemu-img info foo.img The file size was zero bytes (i.e., it contained no data). I've tried again with QEMU 2.6.50 on a Windows 7 Professional system and it appears to have created the s Sorry, I accidentally submitted comment #3 without finishing it. I was going to say that when I tried QEMU 2.6.50 on a Windows 7 Professional system, it appears to have created the image file successfully. Thanks for the update ... since it is working with the current version of QEMU, I assume this problem has been fixed sometimes during the past years, thus we can close this ticket now.