On Mon, Apr 10, 2006 at 08:16:17PM +0400, Brad Campbell wrote: > Hetz Ben Hamo wrote: > >I'm sorry to bring this issues back from the dead: > > > >* Full disk issues > >* Service pack issues > > > >I Do know that both these issues have been dealt before, but yet, > >there is no "fix" from the QEMU application itself, compared to the > >"competitors".. > > > >One thing that I don't understand is: are these issues related to DMA > >implementation in QEMU or rather to a specific chipset implementation? > > Just to back up what Leo said.. I have his %16 -win2k-hack patch installed > (which is required as you need to add the delay to DMA IO also) and if I > leave -win2k-hack enabled I find very little performance degradation.. in > addition to it enabling windows update to work. I'm sure it's either > slowing down the VM or wasting cpu cycles, but it does work and does not > knock things about noticeably (and I test on a PIII-M 1Ghz running at > 750Mhz to give kinda worst case performance testing) > > I do recall not having these issues with an async-io patch installed, but > the last async-io patch I used changed the virtual ide controller and made > all my vm's useless. I'm somewhat reticent to install another patch that is > going to require me to re-install all my vm's.. but if there is one > floating about that does not change the virtual hardware and is pretty self > contained I'd be more than happy to run it through my test suite.
I'd be happy to test a patch that changes the virtual IDE controller to one that works better, since I can't seem to get a win2k vm installed and updated at all anyway ;) _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
