On Wed, Aug 17, 2011 at 5:29 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > On Tue, Aug 16, 2011 at 7:07 PM, Steve Si <826...@bugs.launchpad.net> wrote: >> I got binaries from http://homepage3.nifty.com/takeda-toshiya/ >> >> tested under Win 7 64-bit as User=Administrator >> >> qemu10.6 - works makes 16/08/2011 18:43 3,096,481,792 test.raw >> qemu11.1 - works makes 16/08/2011 18:43 3,096,481,792 test.raw >> qemu12.1 - crashes ! >> qemu12.2 - crashes ! >> qemu12.5 - error while writing > > I think this crash->error transition is explained by: > > commit 8cef921d18025b4ce4e749eed391308033fee232 > Author: TeLeMan <gele...@gmail.com> > Date: Mon Feb 8 16:20:00 2010 +0800 > > qemu-img: use the heap instead of the huge stack array for win32 > > But we still don't know why you are getting the write error. It would > be fairly easy to find that out by building QEMU from source and > adding fprintf() where the write fails - print out the error code and > sector number.
Here is a patch to print more information when the error occurs: http://patchwork.ozlabs.org/patch/110338/ It applies onto qemu.git/master: $ cd qemu $ git am path/to/patch $ ./configure [...] && make Stefan
