Il 04/02/2013 10:41, Fabio Fantoni ha scritto:
I tried to disable "default floppy" without use -nodefaults option that disable other things.I tried stdvga on qemu 1.4 with xen and now the default memory of 16 mb is effectively working, It seems it was a qemu 1.3 bug. vga.vram_size_mb still seems to be not working, I don't know if it is a qemu problem or just xen (probably about hvmloader, the same problem as with qxl).I didn't found other parameters to do that in docs and code for now.Can someone tell me if there is another way to disable default floppy only?About stdvga, I found that memory is configurable from docs/spec/standard-vga:Framebuffer memory, 16 MB in size (by default). Size is tunable via vga_mem_mb property.vga_mem_mb seems wrong in doc, I didn't found it in the code with grep so I tried to use -global vga.vram_size_mb, that (looking at code) seems the correct one.By default xen reserve 8 mb of videoram but stdvga default is 16 mb.Tried out a domU with Xen, if the memory required from vga is more than memory reserved by xen it should give an error (like qxl and cirrus), but with stdvga I cannot get any error at all. I know that in xen there are changes and/or bugfix (probably in hvmloader) to have the emulated vgas full working with qemu upstream but probably stdvga has something to fix and/or improve also on qemu part.Can someone tell me if memory setting of stdvga is working?Is correct to have no errors from xen even if it reserves only 8 mb by default and this size is not setted on qemu with -global?
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