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Re: [Qemu-devel] Qcow2


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] Qcow2
Date: Thu, 19 May 2011 09:22:37 +0100

On Wed, May 18, 2011 at 7:03 PM,  <address@hidden> wrote:
> I was getting only the problem with audio(only Warning and error log) when I
> checking the logs
>
> {snip}
>
> LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
> HOME=/root USER=root LOGNAME=root TMPDIR=/tmp/root-tmp.2af1b17/files
> /usr/bin/kvm -S -M pc -m 512 -smp 4 -name sy0005embinf02 -uuid
> 9ddfc4b5-51bc-c3e9-3aea-59101bc15174 -monitor pty -pidfile
> /var/run/libvirt/qemu//sy0005embinf02.pid -boot c -drive
> file=,if=ide,media=cdrom,index=2 -drive
> file=/var/lib/libvirt/images/sy0005embinf02.img,if=virtio,index=0,boot=on
> -drive file=/var/lib/libvirt/images/sy0005embinf02_vdb.img,if=virtio,index=1
> -net nic,macaddr=00:16:36:1d:67:9e,vlan=0,model=virtio -net
> tap,fd=23,script=,vlan=0,ifname=vnet2 -serial pty -parallel none -usb -vnc
> 127.0.0.1:2 -k en-us -soundhw es1370
>
>
>
> cont
>
> oss: Could not initialize DAC
>
> oss: Failed to open `/dev/dsp'
>
> oss: Reason: No such file or directory
>
> oss: Could not initialize DAC
>
> oss: Failed to open `/dev/dsp'
>
> oss: Reason: No such file or directory
>
> audio: Failed to create voice `es1370.dac2'
>
> oss: Could not initialize ADC
>
> oss: Failed to open `/dev/dsp'
>
> oss: Reason: No such file or directory
>
> oss: Could not initialize ADC
>
> oss: Failed to open `/dev/dsp'
>
> oss: Reason: No such file or directory
>
> audio: Failed to create voice `es1370.adc'

These audio messages look like warnings, not fatal errors, but I am
not sure.  I would view the VM details using virt-manager and remove
the sound card device from the VM if you don't need it.

> {snip}

There were no further error messages indicating that starting the VM failed?

>
>
>
> When it was not booting up I just given full permission
>
> -rw-r--r-- 1 root root 384M 2010-10-06 08:01 sy0005embinf01.img.gz
>
> -rw-rw-rw- 1 root root   45 2010-10-06 15:43 SLBTemplate.img
>
> -rw-r--r-- 1 root root   45 2010-10-14 11:44 sy0005embapp01.img
>
> -rw-r--r-- 1 root root 412K 2011-01-08 19:54 sy0005embinf02_vdd.img
>
> -rwxrwxrwx 1 root root 609G 2011-05-18 23:41 sy0005embinf02_vdb.img
>
> -rw-rw-rw- 1 root root  41G 2011-05-18 23:51 sy0005embinf02.img
>
> -rw-rw-rw- 1 root root 2.0G 2011-05-18 23:52 sy0005embinf01.img
>
> -rw-rw-rw- 1 root root 3.8G 2011-05-18 23:52 sy0005embldap01.img
>
>
>
> Note: it was not working after the full permission too...
>
>
>
> Was there any caching problem after the reboot…???

You mentioned using QCOW2.  Use "qemu-img check
sy0005embinf02_vdb.img" to run a consistency check on the image file.
There should be no fatal errors.

Stefan



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