Date: Mon, 22 Sep 2008 10:30:55 -0500 From: Anthony Liguori <anthony@codemonkey.ws> To: qemu-devel@nongnu.org, freebsd-emulation@FreeBSD.org Subject: Re: [Qemu-devel] qemu svn r5281 on FreeBSD - slow usb, vmwarevga, screen updates... Message-ID: <48D7BA2F.0@codemonkey.ws> In-Reply-To: <20080921204025.GA81055@saturn.kn-bremen.de> References: <20080921204025.GA81055@saturn.kn-bremen.de>
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Juergen Lock wrote: > Hi! > > I've been playing with qemu svn on FreeBSD again (new experimental > emulators/qemu-devel port update here: > http://people.freebsd.org/~nox/qemu/qemu-devel-20080921.patch > ), and want to note a few things: > Are all of these things regressions and if so, have you bisected? Regards, Anthony Liguori > 1. usb is still absymally slow, especially emulated disks (disk:imagefile) > and nics, both read/receive at about 30 KBytes/s here. Is anyone working > on this? I also got a report that its slow on Linux hosts too, so this > problem doesn't appear to be FreeBSD specific... > > 2. -vmwarevga _seems_ to be less broken when run with 16 bpp, only 24 > bpp seems to get the fifo errors that I posted about last time: > http://lists.gnu.org/archive/html/qemu-devel/2008-08/msg00893.html > (maybe also the patch I posted there is only needed when running the guest > with 24 bpp.) vmmouse seems to be broken too tho, the guest acts as if > the mouse is stuck in the bottom right corner. (maybe I didn't actually > test this the last time, or it has something to do with the newer guest > that I used this time which also has a newer xorg version among other > things, > sidux-2008-03-ourea-pre1-kde-lite-i386-200809142136.iso > announcement including mirror list is here: > http://sidux.com/Article450.html > ) The guest xorg crashes with -kernel-kqemu also still happen. > > Oh and that guest tries to use vmmouse by default if run with > -vmwarevga, to disable it you can boot to runlevel 3 (add a 3 to the > grub line), su, change vmmouse to mouse in /etc/X11/xorg.conf, then do > init 5 to start X. > > 3. The screen update problem I mentioned seems to be intermittent, > sometimes I see it, sometimes not, and its also possible it only affects > the emulated vga console (vga=0 with linux guests.) Sometimes when I see > it there are also partwise screen updates, like I see only some of the > lines scrolling. Whenever it happens, moving the mouse over another > window fixes it for a few seconds, until it happens again. Oh and the > guest keeps running all the time, only the screen doesn't update correctly > when it happens... > > 4. There's one good news: completion in the monitor is back to working > order! :) (I suspect because of the qemu_strdup fix.) > > Thanx, > Juergen > > >
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