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[Xen-devel] Arndale: domU not booting
- To: xen-devel <xen-devel@xxxxxxxxxxxxx>
- From: Josep Subirats <josep.subirats@xxxxxx>
- Date: Tue, 22 Oct 2013 18:07:00 +0200
- Delivery-date: Tue, 22 Oct 2013 16:07:23 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
Dear all,
I followed the steps described in the wiki in order to get an
Arnadle board running Xen, but I'm having trouble in starting a
domU. Let me describe you the steps I followed. Sorry for such a
long mail, but I think that a verbose description is necessary so
you can point me what I'm doing wrong.
I couldn't boot properly over the network. This is why I modified
the boot script so everything was loaded from the microSD (assuming
it only contains one partition, which starts at sector 10240 and has
all the necessary files in it at its root, along with the
filesystem). To achieve it, simply take the source file I attach in
this mail and convert it to an img file with:
mkimage -T script -C none -d load-xen-mmc.scr.txt
load-xen-mmc.img
Then set up the environment variables in the board with:
setenv xen_addr_r 0x50000000
setenv kernel_addr_r 0x60000000
setenv dtb_addr_r 0x42000000
setenv script_addr_r 0x40080000
setenv bootcmd_load_linux_mmc 'ext2load mmc 0:1
$kernel_addr_r /zImage'
setenv bootcmd_load_xen_mmc 'ext2load mmc 0:1 $xen_addr_r
/xen-uImage'
setenv bootcmd_load_dtb_mmc 'ext2load mmc 0:1 $dtb_addr_r
/exynos5250-arndale.dtb'
setenv bootcmd_load_script_mmc 'ext2load mmc 0:1
$script_addr_r /load-xen-mmc.img'
setenv bootcmd 'run bootcmd_load_script_mmc; source
$script_addr_r'
setenv xen_bootargs 'sync_console console=dtuart
dtuart=/serial@12C20000'
setenv dom0_bootargs 'console=hvc0 ignore_loglevel
psci=enable clk_ignore_unused root=/dev/mmcblk1p1 rw rootwait
earlyprintk'
Save the changes with saveenv and simply boot.
At this point, I was able to launch the kernel and Xen successfully,
and to log into the dom0. I couldn't find any reference on the exact
steps to follow in order to be able to execute the "xl" command
properly, as the wiki only says that a native compilation of the
tools is necessary. So, what I did was to copy the xen source code
in the board and compiled it with "make install-tools" (after
running ./configure and installing the required packages).
I had to modify some library paths (apend "include /usr/local/lib/"
to /etc/ld.so.conf and run ldconfig), start xencommons manually
(/etc/init.d/xencommons start) and finally I've been able to run "xl
list". Nevertheless, when xencommons is started, it outputs:
root@arndale:/# /etc/init.d/xencommons start
Starting C xenstored...WARNING: Failed to open connection to
gnttab
Setting domain 0 name...
Starting xenconsoled...
Starting QEMU as disk backend for dom0
/etc/init.d/xencommons: line 120:
/usr/local/lib/xen/bin/qemu-system-i386: No such file or directory
At this point, xl list displays:
root@arndale:/# xl list
Name ID Mem
VCPUs State Time(s)
Domain-0 0 128
2 r----- 309.8
Then I tried to create the VM described in the wiki, but to no
avail. I copied all the necessary files, concatenated the domU
kernel with the xenvm dtb, but in the end I get the following
output:
root@arndale:~# xl create -c vmDescriptor.cfg
Parsing config from vmDescriptor.cfg
/etc/xen/scripts/block: line 3: dirname: command not found
/etc/xen/scripts/block: line 4: /block-common.sh: No such
file or directory
/etc/xen/scripts/block: line 208: xenstore_read_default:
command not found
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus:
/etc/xen/scripts/block add [15289] exited with error status 1
libxl: error: libxl_create.c:935:domcreate_launch_dm: unable
to add disk devices
/etc/xen/scripts/block: line 3: dirname: command not found
/etc/xen/scripts/block: line 4: /block-common.sh: No such
file or directory
/etc/xen/scripts/block: line 208: xenstore_read_default:
command not found
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus:
/etc/xen/scripts/block remove [15297] exited with error status 1
Aborted
Could you please tell me what is happening? Is there a step I'm not
taking into consideration?
Many thanks. Best regards,
Josep Subirats
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Attachment:
load-xen-mmc.scr.txt
Description: Text document
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