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Re: [Xen-devel] Arndale: domU not booting
- To: xen-devel <xen-devel@xxxxxxxxxxxxx>
- From: Josep Subirats <josep.subirats@xxxxxx>
- Date: Tue, 22 Oct 2013 18:10:55 +0200
- Delivery-date: Tue, 22 Oct 2013 16:11:15 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
I just observed the following output in the serial console, too:
[ 3112.311649] platform 122f0000.sata: Driver exynos-sata
requests probe deferral
[ 3113.060272] attempt to access beyond end of device
[ 3113.063630] mmcblk1p1: rw=0, want=15886903136,
limit=30210048
[ 3113.069404] attempt to access beyond end of device
[ 3113.074168] mmcblk1p1: rw=0, want=15886903136,
limit=30210048
udevd[15288]: '/sbin/modprobe -b xen-backend:vbd' [15290]
terminated by signal 7 (Bus error)
udevd[15302]: failed to execute
'/etc/xen/scripts/xen-hotplug-cleanup'
'/etc/xen/scripts/xen-hotplug-cleanup': Exec format error
[ 3113.272567] Failed to unmap pfn:a7525 rc:-2
INIT: Id "T0" respawning too fast: disabled for 5 minutes
[ 3339.357270] EXT3-fs error (device mmcblk1p1): ext3_lookup:
deleted inode referenced: 814983
[ 3339.364160] Aborting journal on device mmcblk1p1.
[ 3340.185603] EXT3-fs (mmcblk1p1): error: remounting
filesystem read-only
Thanks,
Josep
On 10/22/2013 06:07 PM, Josep Subirats
wrote:
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
NameÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ IDÂÂ Mem
VCPUsÂÂÂÂÂ StateÂÂ Time(s)
Domain-0ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ 0ÂÂ 128ÂÂÂÂ
2ÂÂÂÂ r-----ÂÂÂÂ 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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