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From: | Chris Friesen |
Subject: | Re: [Qemu-devel] virtio-serial-pci very expensive during live migration |
Date: | Thu, 8 May 2014 09:40:41 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
On 05/08/2014 07:47 AM, Amit Shah wrote:
Chris, I just tried a simple test this way: ./x86_64-softmmu/qemu-system-x86_64 -device virtio-serial-pci -device virtserialport -S -monitor stdio -nographic and it didn't crash for me. This was with qemu.git. Perhaps you can try in a similar way.
I just tried it with the "stable-1.4" branch from upstream with my first patch added on.
Incidentally, to compile on Fedora 19 I had to delete "include/libfdt_env.h" in the qemu package since it was overriding the version from libfdt in the host, causing errors like:
/usr/include/fdt.h:58:2: error: unknown type name ‘fdt32_t’ fdt32_t magic; /* magic word FDT_MAGIC */Anyway, it seems to boot up okay, which is better than what I was getting before. I ran it as:
qemu-system-x86_64 -machine accel=kvm -m 1000 guest.img -device virtio-serial -chardev socket,path=/tmp/foo,server,nowait,id=foo -device virtserialport,chardev=foo,name=myfoo
My earlier version was using a yocto-modified version of qemu, further modified locally. There's probably a bug in there somewhere.
Chris
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