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Re: [libvirt-users] [Qemu-devel] Qcow2



Stefan,

 

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'

{snip}

 

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…???

 

Thanks,

-Arun

 

 

-----Original Message-----
From: Stefan Hajnoczi [mailto:stefanha gmail com]
Sent: Wednesday, May 18, 2011 10:29 PM
To: Arun Sasi V (WI01 - Manage IT)
Cc: stefanha linux vnet ibm com; qemu-devel nongnu org; libvirt-users redhat com
Subject: Re: [Qemu-devel] Qcow2

 

On Wed, May 18, 2011 at 5:18 PM,  <arun sasi1 wipro com> wrote:

> Hello Stefan,

> 

> 

> 

> Thank you very much for considering my issue...

> 

> 

> 

> Here is My problem...

> 

> 

> 

> 1) I have 4 VM`s Running on Base server.

> 

> 2) Base server is having 15GB RAM.

> 

> 3) I can start all VM`s apart from my file server.

> 

> 4) File server is having OS image and 1.2TB QCOW2 Image.

> 

> 5) When I remove 1.2TB from xml file (vdb.img) I can start my server but

> Data partition is null becase I have not added 1.2TB in XML.

> 

> 6) Command I am using virsh start <Domain>

> 

> 7) Even through virt-manager also I am not able to start the VM. Attached is

> the error message

 

Unfortunately the message gives no details:

"libvirtError: internal error unable to start guest:"

 

> 8) Keep on trying adding and removing and defining the XML after 2 Hrs I am

> able to start.

 

What did you change that made it work?

 

> 9) Operating system Ubuntu 9.04

> 

> 10) I have 3 location file server having the same issue… even all file

> servers are same configuration…

 

Libvirt keeps log files for each VM under

/var/log/libvirt/qemu/<domain>.log.  You might find more detailed

error information in that file and it will at least contain the

qemu-kvm command-line used to launch the domain.  Please take a look

at that file and post the lines surrounding the error, especially the

"starting up" log line.

 

Have you verified that the .qcow2 image file is accessible, ownership

and permissions should be the same as the image files of your other

domains.

 

Stefan

 

> -----Original Message-----

> From: Stefan Hajnoczi [mailto:stefanha linux vnet ibm com]

> Sent: Wednesday, May 18, 2011 9:28 PM

> To: Arun Sasi V (WI01 - Manage IT)

> Subject: Re: Qcow2

> 

> 

> 

> On Wed, May 18, 2011 at 07:30:05PM +0530, arun sasi1 wipro com wrote:

> 

>> The Guest VM which is larger example 1.2TB is not starting after the

> 

>> base server reboot... Pleae help what needs to be do in this situation.

> 

> 

> 

> You have not provided information on what is happening.  Are you getting

> 

> an error message during boot from the 1.2TB guest?  Is the 1.2TB guest

> 

> even being autostarted (use "virsh autostart <domain>" to enable

> 

> autostart on a domain)?

> 

> 

> 

> Please send support questions like this to qemu-devel nongnu org in the

> 

> future.  That way other people in the QEMU community can help too.

> 

> 

> 

> Stefan

> 

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