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Re: [Qemu-devel] Question on QEMU : How to record debug log in VM of QEM
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] Question on QEMU : How to record debug log in VM of QEMU |
Date: |
Thu, 9 May 2019 14:45:25 +0100 |
User-agent: |
Mutt/1.11.4 (2019-03-13) |
On Tue, May 07, 2019 at 11:29:03AM +0900, S KH wrote:
> This is a question I have encountered while using QEMU.
>
> I want to compile the source directly rather than through apt or yum and
> install QEMU and input the output statement to the source to check the
> output value.
>
> When I compiled QEMU using dpkg-buildpackage in Ubuntu, I verified that
> when QEMU's VM is executed by inputting and compiling the output statement,
> the output value is recorded in the log file(ex.
> /var/log/libvirt/qemu/win7.log) of that VM.
>
> In Centos, I tried to use rpmbuild to input the output to QEMU source,
> compile and check the output value. I confirmed that the log file is not
> written, but I have confirmed that the output value is rare from the
> terminal during the compilation process.
>
> What I want to do is to get the output to be written to the log file like
> in Ubuntu.
Try diffing /etc/libvirt/qemu.conf between the Ubuntu and CentOS hosts.
Maybe they have different logging setups. In particular, the
stdio_handler setting might be different.
Stefan
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