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** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1837651
Title:
-netdev socket uses 100% cpu on Windows host
Status in QEMU:
Incomplete
Bug description:
On Windows hosts, any `-netdev socket` option (tcp listen, tcp
connect, udp passing a fd) causes qemu to use 100% cpu. The guest
still runs, but only sluggishly.
A simple testcase is:
> qemu-system-i386.exe -netdev socket,listen=:8000,id=n
And, in another command prompt:
> echo foo | nc.exe localhost 8000
Where nc.exe is netcat.
Tested on qemu 3.1 (from https://qemu.weilnetz.de/w64/) and 4.0 (self
compiled).
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