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[Qemu-devel] [Bug 1736042] Re: qemu-system-x86_64 does not boot image re
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 1736042] Re: qemu-system-x86_64 does not boot image reliably |
Date: |
Mon, 04 Dec 2017 07:18:41 -0000 |
Please always use the latest version of QEMU (currently v2.10, soon
v2.11) when reporting bugs to the upstream QEMU project - we don't
support old versions like v2.5 any more. So I guess you wanted to report
a bug agains v2.5 in Ubuntu instead and I changed the target of this bug
accordingly.
** Project changed: qemu => qemu (Ubuntu)
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https://bugs.launchpad.net/bugs/1736042
Title:
qemu-system-x86_64 does not boot image reliably
Status in qemu package in Ubuntu:
New
Bug description:
Booting image as root user with following command works randomly.
./qemu-system-x86_64 -enable-kvm -curses -smp cpus=4 -m 8192
/root/ructfe2917_g.qcow2
Most of the time it ends up on "800x600 Graphic mode"(been stuck there
even for 4 hours before killed), but 1 out of ~20 it boots image
correctly(and instantly).
This is visible in v2.5.0 build from sources, v2.5.0 from Ubuntu
Xenial and v2.1.2 from Debian Jessie.
The image in question was converted from vmdk using:
qemu-img convert -O qcow2 file.vmdk file.qcow2
The image contains Ubuntu with grub.
I can provide debug logs, but will need guidance how to enable
them(and what logs are necessary).
As a side note, it seems that booting is more certain after
connecting(or mounting) partition using qemu-nbd/mount.
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