After several days of problems, I finally got Xen 3.0.1 set up in Ubuntu Breezy with the 2.6.12 kernel on a VT-enabled system with an Intel 930 processor and 2GB of memory. I have been able to install an unmodified guest without any issues other than performance. The guest runs extremely slowly and the mouse and keyboard are all but useless because of the extreme lag. I''ve tried multiple viewers (vncviewer 3.3, 4.0, and tightvnc), as well as low color depths. I am currently using a file-backed image file, as was recommended in the user''s manual, but I don''t know of any other item that could be causing such poor performance. I don''t see anything about this in the archives and am open to any suggestions Thanks, Casey _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
pls. describe your issue in detail. your ubuntu service os is ia32 or em64t version? what''s your guest? windows? linux? if linux, ubuntu or other? ia32 or em64t? did you run x window in it? cound you pls. have a try with sdl? there is known issue with vnc mouse. On 2/10/06, Casey Jeffery <kcjeffery@gmail.com> wrote:> > After several days of problems, I finally got Xen 3.0.1 set up in Ubuntu > Breezy with the 2.6.12 kernel on a VT-enabled system with an Intel 930 > processor and 2GB of memory. > > I have been able to install an unmodified guest without any issues other > than performance. The guest runs extremely slowly and the mouse and keyboard > are all but useless because of the extreme lag. I''ve tried multiple viewers > (vncviewer 3.3, 4.0, and tightvnc), as well as low color depths. I am > currently using a file-backed image file, as was recommended in the user''s > manual, but I don''t know of any other item that could be causing such poor > performance. I don''t see anything about this in the archives and am open to > any suggestions > > Thanks, > Casey > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel > > >-- Best Rgds Zhai Edwin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Casey Jeffery <kcjeffery@gmail.com> wrote on 02/09/2006 11:52:03 PM:> After several days of problems, I finally got Xen 3.0.1 set up in > Ubuntu Breezy with the 2.6.12 kernel on a VT-enabled system with an > Intel 930 processor and 2GB of memory. > > I have been able to install an unmodified guest without any issues > other than performance. The guest runs extremely slowly and the > mouse and keyboard are all but useless because of the extreme lag. > I''ve tried multiple viewers (vncviewer 3.3, 4.0, and tightvnc), as > well as low color depths. I am currently using a file-backed image > file, as was recommended in the user''s manual, but I don''t know of > any other item that could be causing such poor performance. I don''t > see anything about this in the archives and am open to any suggestionsAre you running Xen in x86-64 mode ? We found that the performance of unmodified guests on x86-64 Xen is very slow, mostly in the video area. However, if you run unmodified guests in pure 32-bit Xen (x86-32), then the guest performance is quite acceptable - for both Windows and Linux guests. Some have noticed that the guest performance is a bit better using SLD (instead of vnc). Of course, "acceptable" is in the eyes of the beholder :-) Regards, Khoa _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
>Casey Jeffery <kcjeffery@gmail.com> wrote on 02/09/2006 11:52:03 PM: > >> After several days of problems, I finally got Xen 3.0.1 set up in >> Ubuntu Breezy with the 2.6.12 kernel on a VT-enabled system with an >> Intel 930 processor and 2GB of memory. >> >> I have been able to install an unmodified guest without any issues >> other than performance. The guest runs extremely slowly and the >> mouse and keyboard are all but useless because of the extreme lag. >> I''ve tried multiple viewers (vncviewer 3.3, 4.0, and tightvnc), as >> well as low color depths. I am currently using a file-backed image >> file, as was recommended in the user''s manual, but I don''t know of >> any other item that could be causing such poor performance. I don''t >> see anything about this in the archives and am open to any >suggestions > >Are you running Xen in x86-64 mode ? We found that the performance >of unmodified guests on x86-64 Xen is very slow, mostly in the video >area.We will reenable the VGA acceleration soon, since 1:1 pagetable has been removed from control panel. -Xin> However, if you run unmodified guests in pure 32-bit >Xen (x86-32), then the guest performance is quite acceptable - for >both Windows and Linux guests. Some have noticed that the guest >performance is a bit better using SLD (instead of vnc). Of course, >"acceptable" is in the eyes of the beholder :-) > >Regards, >Khoa > > >_______________________________________________ >Xen-devel mailing list >Xen-devel@lists.xensource.com >http://lists.xensource.com/xen-devel >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Thanks for the quick responses. I resorted to using ia32 just to get around some of the driver issues I was having, so the host is Breezy with a full Xen 2.6.12.6 kernel and initrd module and the guest is Breezy straight off the install DVD with a 2.6.12.9 kernel. I gave the host 512MB of memory and the guest 256MB and the system is doing nothing but running these two machines. I hadn''t tried SDL yet since I wasn''t familair with it. It turns out there was nothing more to it than enabling it in the vmx config. Now my mouse and keyboard work great. I''m not sure what my problem was with vncserver, but I guess I won''t worry about it for now. On 2/10/06, Casey Jeffery <kcjeffery@gmail.com> wrote:> > After several days of problems, I finally got Xen 3.0.1 set up in Ubuntu > Breezy with the 2.6.12 kernel on a VT-enabled system with an Intel 930 > processor and 2GB of memory. > > I have been able to install an unmodified guest without any issues other > than performance. The guest runs extremely slowly and the mouse and keyboard > are all but useless because of the extreme lag. I''ve tried multiple viewers > (vncviewer 3.3, 4.0, and tightvnc), as well as low color depths. I am > currently using a file-backed image file, as was recommended in the user''s > manual, but I don''t know of any other item that could be causing such poor > performance. I don''t see anything about this in the archives and am open to > any suggestions > > Thanks, > Casey >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel