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[Bug 1911188] Re: qemu-system-x86_64 prints obscure error message and ex
From: |
Launchpad Bug Tracker |
Subject: |
[Bug 1911188] Re: qemu-system-x86_64 prints obscure error message and exits when encountering an empty argument |
Date: |
Mon, 12 Jul 2021 04:17:23 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1911188
Title:
qemu-system-x86_64 prints obscure error message and exits when
encountering an empty argument
Status in QEMU:
Expired
Bug description:
QEMU emulator version 4.2.1 (qemu-4.2.1-1.fc32) on Fedora 32.
When writing a script to start qemu automatically, I ran into a very
confusing error message due to a bug in my script and had trouble
understanding it. I isolated the problem to the following:
$ qemu-system-x86_64 ""
qemu-system-x86_64: Initialization of device ide-hd failed: Device needs
media, but drive is empty
As you can see, running qemu with an empty argument prints a seemingly
random and unrelated error message about an ide-hd device, and the
program immediately exits with code 1. This happens when an empty
argument appears anywhere in the arguments list, always causing the
program to immediately die with this error.
This is a simply baffling message to be encountering when the problem
is really an empty argument.
Expected behaviour: Either flatly ignore the empty argument, or at
most trigger a warning (eg, "warning: saw empty argument"). It should
not at all prevent the program from running.
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