Re: [Xen-users] PVHVM error and introducing an post about how to install 4.3

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2013-06-25 at 21:04 +0900, Yeonki Choi wrote:
> Hi, all of the xen users.
> 
> 
> I have question about PVHVM.
> How can I install or compile PVHVM driver? 
> 
> 
> I tested PVHVM of my centos machine, but I got an error like below:
> 
> 
> $ vi /virtual_machines/cent64/cent64.cfg 
> ### Mandatory Configuration ###
> name = "cent64"
> builder = "hvm"
> memory = 512
> vcpus = 1
> vif = ['', 'bridge=xenbr0']
> disk =
> ['/virtual_machines/cent64/cent64.qcow2,qcow2,sda,w','/isos/CentOS-6.4-x86_64-bin-DVD1.iso,raw,sdb,devtype=cdrom']
> boot="cd"
> 
> 
> # Set to 1, when pvhvm driver
> xen_platform_pci=1
> 
> 
> 
> 
> $ sudo xl create ./cent64.cfg -c
> Parsing config from ./cent64.cfg
> WARNING: ignoring "kernel" directive for HVM guest. Use
> "firmware_override" instead if you really want a non-default firmware
> xc: info: VIRTUAL MEMORY ARRANGEMENT:
>   Loader:        0000000000100000->000000000019e808
>   Modules:       0000000000000000->0000000000000000
>   TOTAL:         0000000000000000->000000001f800000
>   ENTRY ADDRESS: 0000000000100000
> xc: info: PHYSICAL MEMORY ALLOCATION:
>   4KB PAGES: 0x0000000000000200
>   2MB PAGES: 0x00000000000000fb
>   1GB PAGES: 0x0000000000000000
> Daemon running with PID 15965
> xenconsole: Could not read tty from store: No such file or directory
> libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: console
> child [0] exited with error status 2

I don't think this issue has anything to do with PVHVM.

The "-c" option here asks to connect to the domains serial console,
which you haven't configured, so it fails.

Either omit the "-c" and use SDL or VNC to get to the VGA console or add
    serial = 'pty'
to your guest configuration, which should make "-c" work as expected.
Unless the CentOS installer launches on the serial console you are
probably better off going the VGA route.

> $vi /var/log/xen/qemu-dm-cent64.log
> xc: error: linux_gnttab_set_max_grants: ioctl SET_MAX_GRANTS failed (22 = 
> Invalid argument): Internal error

These are harmless (if annoying...)

> AND, I have one more thing to talk. 
> I'd like to contribute my latest post
> (http://hyper-choi.blogspot.kr/2013/06/xen-43-rc1-installation.html) in Xen 
> wiki. 
> I wrote it about how to install xen 4.3 (rc1) based on Ubuntu 12.04
> Could you link my blog or let me know the way of contributing ?

Anyone can edit the wiki, simply sign up for the wiki by clicking on the
link in the banner at wiki.xen.org and then fill in
http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html
 (which is needed because of an ongoing spam attack).

I would encourage you where possible to try and improve existing
documentation rather than adding another walk through. 

Ian.



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