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[Qemu-devel] [Bug 1814381] Re: qemu can't resolve ::1 when no network is
From: |
Richard Jones |
Subject: |
[Qemu-devel] [Bug 1814381] Re: qemu can't resolve ::1 when no network is available |
Date: |
Sat, 02 Feb 2019 13:35:59 -0000 |
The logic in util/qemu-sockets.c is very complicated, containing workarounds
for all sorts of broken/obsolete GAI implementations, so it's hard to tell
what's going on there.
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https://bugs.launchpad.net/bugs/1814381
Title:
qemu can't resolve ::1 when no network is available
Status in QEMU:
New
Bug description:
I'm not sure if this is a qemu thing or a getaddrinfo/glibc thing, or
even just something about my laptop. However we have a test failure
in nbdkit which only occurs when my laptop is not connected to wifi or
other networking. It boils down to:
$ qemu-img info --image-opts "file.driver=nbd,file.host=::1,file.port=1234"
qemu-img: Could not open 'file.driver=nbd,file.host=::1,file.port=1234':
address resolution failed for ::1:1234: Address family for hostname not
supported
In a successful case it should connect to a local NBD server on port
1234, but if you don't have that you will see:
qemu-img: Could not open
'file.driver=nbd,file.host=::1,file.port=1234': Failed to connect
socket: Connection refused
I can ‘ping6 ::1’ fine.
It also works if I replace ‘::1’ with ‘localhost6’.
My /etc/hosts contains:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
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