Re: Regressions introduced by ioemu-remote -- Xen #18039.

[Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>]

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Perhaps the attached patch will fix the Issue2?
cs 18025 changed the size of vga ram, so we should reduce VGA_RAM_SIZE
to 4MB for ioemu-remote tree likewise.

Thanks,
-- Yosuke

Li, Haicheng wrote:
> With ioemu-remote, still failed to create hvm guest with vncviewer
> disabled by 'sdl=1' or 'vnc=1 & vncconsole=0'. Two issues were found
> with Xen #18039 as log pasted below.
> 
> BTW, will xen-3.3 release use ioemu-remote as default qemu? Looks there
> would be some compatibility issues between xm/xend and ioemu-remote.
> 
> Issue1: if no vif option set. qemu exits with following log:
> domid: 14
> qemu: the number of cpus is 1
> Unknown network device: user
> 
> Issue2: with vif option set, qemu exits with following log:
> domid: 18
> qemu: the number of cpus is 1
> config qemu network with xen bridge for  tap18.0 eth4
> Strip off blktap sub-type prefix to
> /share/imgs/hli22/xen-test/manual-test/ia32e_xp_smp.qcow (drv 'qcow')
> qemu: could not open vbd '/local/domain/18/device/vbd/768/phantom_vbd'
> or hard disk image
> '/share/imgs/hli22/xen-test/manual-test/ia32e_xp_smp.qcow' (drv 'qcow'
> format '0')
> Watching /local/domain/0/device-model/18/logdirty/next-active
> Watching /local/domain/0/device-model/18/command
> char device redirected to /dev/pts/3
> qemu_map_cache_init nr_buckets = 10000 size 3145728
> shared page at pfn 7ffe
> buffered io page at pfn 7ffc
> Time offset set 0
> Register xen platform.
> Done register platform.
> I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
> (qemu) Failed allocation for dom 18: 2048 extents of order 0
> Failed to populate physmap
> Failed set_mm_mapping
> NULL vram_pointer
> 
> 
> -- haicheng
> 
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