On Tue, Jun 2, 2015 at 7:55 PM, Stefano Stabellini <
stefano.stabell...@eu.citrix.com> wrote:
> On Tue, 2 Jun 2015, Sanjeev Pandita wrote:
> > From: Stefan Bader [mailto:stefan.ba...@canonical.com]
> > Sent: Tuesday, June 02, 2015 1:52 PM
> > To: Sanjeev Pandita; xen-devel@lists.xen.org
> > Cc: ian.campb...@citrix.com; Pranavkumar Sawargaonkar;
> > stefano.stabell...@eu.citrix.com
> > Subject: Re: [Xen-devel] ARM64: XEN Domu not booting with the qemu qcow
> > AARCH64 Ubuntu 15.04 disk
> >
> > On 02.06.2015 09:40, Sanjeev Pandita wrote:
> > > All,
> > >
> > > I am pretty new to xen . I am trying to boot DOMU with qemu qcow
> > > AARCH64 Ubuntu 15.04 disk on Xen but I am getting the errors which
> > > link to "/usr/local/lib/xen/bin/qemu-system-i386".
> > > Since I am working on aarch64 system the
> > > /usr/local/lib/xen/bin/qemu-system-i386 bin might not be present or
> > > might not work as expected.
> >
> > Because I am lacking hardware and feedback, the arm64 packaging is a
> > rather theoretical exercise. At least for armhf I thought qemu-system-x86
> > was a dependency. That binary should provide x86 emulation on arm64, the
> > same as one could install qemu for other arches on x86.
> > Have you tried to install qemu-system-x86 manually?
> >
> > -Stefan
> >
> > >
> > > Please let me know how to make the Qemu qcow image work on Xen.
> > > Attached are the DomU boot log and config file.
> > >
> > > Thanks,
> > > San
> >
> > Thanks for your inputs, I have installed the qemu-system-i386 but my DomU
> > booting is still crashing with following short logs. Am I missing
> anything
> > ?
> >
> > Kernel Crash logs:
> >
> > xenbus_probe_frontend: Waiting for devices to initialise:
> > 25s...20s...15s...10s...5s...0s...
> >
> 235s...230s...225s...220s...215s...210s...205s...200s...195s...190s...185s
> >
> ...180s...175s...170s...165s...160s...155s...150s...145s...140s...135s...1
> >
> 30s...125s...120s...115s...110s...105s...100s...95s...90s...85s...80s...75
> >
> s...70s...65s...60s...55s...50s...45s...40s...35s...30s...25s...20s...15s.
> > ..10s...5s...0s...
> >
> > xenbus_probe_frontend: Timeout connecting to device: device/vbd/51712
> > (local state 3, remote state 2)
> > console [netcon0] enabled
> > netconsole: network logging started
> > drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> > VFS: Cannot open root device "xvda" or unknown-block(0,0): error -6
> > Please append a correct "root=" boot option; here are the available
> > partitions:
> > Kernel panic - not syncing: VFS: Unable to mount root fs on
> > unknown-block(0,0)
> > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.8 #5
> > Hardware name: XENVM-4.6 (DT)
> > Call trace:
> > [<ffffffc00008a0dc>] dump_backtrace+0x0/0x124
> > [<ffffffc00008a210>] show_stack+0x10/0x1c
> > [<ffffffc000657d88>] dump_stack+0x80/0xc4
> > [<ffffffc000656f04>] panic+0xe0/0x220
> > [<ffffffc00087eea8>] mount_block_root+0x1a4/0x24c
> > [<ffffffc00087f19c>] mount_root+0x110/0x130
> > [<ffffffc00087f328>] prepare_namespace+0x16c/0x1b8
> > [<ffffffc00087eb44>] kernel_init_freeable+0x1c4/0x1ec
> > [<ffffffc00065481c>] kernel_init+0xc/0xd8
> > ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on
> > unknown-block(0,0)
>
> It looks like the backend (QEMU) hasn't been initialized properly.
> Could you please post the output of xenstore-ls? Also could you run ps
> aux|grep qemu to check whether QEMU was spawned correctly?
>
>
Attaching output of xenstore-ls and grep qemu.
Looks like qemu process is getting spawned and running fine.
I have also modified the config file to remove tap from disk like:
disk = [ 'qcow:/mnt/xen/vivid-server-cloudimg-arm64-disk1.img,xvda,w' ]
But still my DOMU booting is stuck and getting crashed due to lack of
rootfs/disk.
I am running this on mustang board.
Thanks,
San
>
> >
> > My config file :
> >
> > linux:/mnt/xen # cat vm1
> > name = "vm1"
> > uuid = "3fb78ba6-8182-484c-acf7-8faba9773f68"
> > disk = [ 'tap:qcow:/mnt/xen/vivid-server-cloudimg-arm64-disk1.img,xvda,w'
> > ]
> > memory = 512
> > kernel = "./Image"
> > extra = "root=/dev/xvda rw console=hvc0 earlyprintk=xen"
>
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linux:~ # xenstore-ls
tool = ""
xenstored = ""
local = ""
domain = ""
0 = ""
domid = "0"
name = "Domain-0"
device-model = ""
0 = ""
state = "running"
1 = ""
state = "running"
libxl = ""
disable_udev = "1"
backend = ""
qdisk = ""
1 = ""
51712 = ""
frontend = "/local/domain/1/device/vbd/51712"
params = "qcow:/mnt/xen/vivid-server-cloudimg-arm64-disk1.img"
frontend-id = "1"
online = "1"
removable = "0"
bootable = "1"
state = "2"
dev = "xvda"
type = "qdisk"
mode = "w"
device-type = "disk"
discard-enable = "1"
feature-flush-cache = "1"
feature-persistent = "1"
info = "0"
feature-discard = "1"
hotplug-status = "connected"
console = ""
1 = ""
0 = ""
frontend = "/local/domain/1/console"
frontend-id = "1"
online = "1"
state = "1"
protocol = "vt100"
1 = ""
vm = "/vm/3fb78ba6-8182-484c-acf7-8faba9773f68"
name = "vm4"
cpu = ""
0 = ""
availability = "online"
memory = ""
static-max = "524288"
target = "524288"
videoram = "0"
device = ""
suspend = ""
event-channel = ""
vbd = ""
51712 = ""
backend = "/local/domain/0/backend/qdisk/1/51712"
backend-id = "0"
state = "3"
virtual-device = "51712"
device-type = "disk"
protocol = "arm-abi"
ring-ref = "8"
event-channel = "3"
feature-persistent = "1"
control = ""
shutdown = ""
platform-feature-multiprocessor-suspend = "1"
platform-feature-xs_reset_watches = "1"
data = ""
domid = "1"
store = ""
port = "1"
ring-ref = "233473"
console = ""
backend = "/local/domain/0/backend/console/1/0"
backend-id = "0"
limit = "1048576"
type = "xenconsoled"
output = "pty"
tty = "/dev/pts/1"
port = "2"
ring-ref = "233472"
image = ""
device-model-pid = "1872"
vm = ""
3fb78ba6-8182-484c-acf7-8faba9773f68 = ""
name = "vm4"
uuid = "3fb78ba6-8182-484c-acf7-8faba9773f68"
image = ""
ostype = "linux"
kernel = "./Image"
cmdline = "root=/dev/xvda rw console=hvc0 earlyprintk=xen"
start_time = "1433319561.58"
libxl = ""
1 = ""
dm-version = "qemu_xen"
linux:~ #
linux:~ #
linux:~ #
linux:~ # ps -aex | grep -i qemu
1863 ? Sl 0:00 /usr/local/lib/xen/bin/qemu-system-i386 -xen-domid 0
-xen-attach -name dom0 -nographic -M xenpv -daemonize -monitor /dev/null
-serial /dev/null -parallel /dev/null -pidfile /var/run/qemu-dom0.pid
LESSKEY=/etc/lesskey.bin MANPATH= NNTPSERVER=news XDG_SESSION_ID=c1
HOSTNAME=linux XKEYSYMDB=/usr/X11R6/lib/X11/XKeysymDB SHELL=/bin/bash
TERM=xterm HOST=linux HISTSIZE=1000 PROFILEREAD=true SSH_CLIENT=10.48.12.106
50412 22 MORE=-sl SSH_TTY=/dev/pts/0 USER=root
LS_COLORS=no=00:fi=00:di=01;34:ln=00;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=41;33;01:ex=00;32:*.cmd=00;32:*.exe=01;32:*.com=01;32:*.bat=01;32:*.btm=01;32:*.dll=01;32:*.tar=00;31:*.tbz=00;31:*.tgz=00;31:*.rpm=00;31:*.deb=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.lzma=00;31:*.zip=00;31:*.zoo=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.tb2=00;31:*.tz2=00;31:*.tbz2=00;31:*.xz=00;31:*.avi=01;35:*.bmp=01;35:*.fli=01;35:*.gif=01;35:*.jpg=01;35:*.jpeg=01;35:*.mng=01;35:*.mov=01;35:*.mpg=01;35:*.pcx=01;35:*.pbm=01;35:*.pgm=01;35:*.png=01;35:*.ppm=01;35:*.tga=01;35:*.tif=01;35:*.xbm=01;35:*.xpm=01;35:*.dl=01;35:*.gl=01;35:*.wmv=01;35:*.aiff=00;32:*.au=00;32:*.mid=00;32:*.mp3=00;32:*.ogg=00;32:*.voc=00;32:*.wav=00;32:
XNLSPATH=/usr/X11R6/lib/X11/nls HOSTTYPE=aarch64
CONFIG_SITE=/usr/share/site/aarch64-suse-linux-gnu PAGER=less CSHEDIT=emacs
XDG_CONFIG_DIRS=/etc/xdg MINICOM=-c on LIBGL_DEBUG=quiet
PATH=/sbin:/usr/sbin:/usr/local/sbin:/root/bin:/usr/local/bin:/usr/bin:/bin:/usr/games
MAIL=/var/mail/root CPU=aarch64 SSH_SENDS_LOCALE=yes PWD=/mnt/xen
INPUTRC=/etc/inputrc LANG=en_IN PYTHONSTARTUP=/etc/pythonstart
GPG_TTY=/dev/pts/0 HOME=/root SHLVL=2 OSTYPE=linux
LESS_ADVANCED_PREPROCESSOR=no LS_OPTIONS=-A -N --color=tty -T 0 WINDOWMANAGER=
LOGNAME=root MACHTYPE=aarch64-suse-linux LESS=-M -I -R CVS_RSH=ssh
SSH_CONNECTION=10.48.12.106 50412 10.48.12.191 22 XDG_DATA_DIRS=/usr/share
LESSOPEN=lessopen.sh %s XDG_RUNTIME_DIR=/run/user/0 LESSCLOSE=lessclose.sh %s
%s NO_AT_BRIDGE=1 G_BROKEN_FILENAMES=1 COLORTERM=1
_=/usr/local/lib/xen/bin/qemu-system-i386
1872 ? Ssl 0:00 /usr/local/lib/xen/bin/qemu-system-i386 -xen-domid 1
-chardev socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-1,server,nowait
-no-shutdown -mon chardev=libxl-cmd,mode=control -chardev
socket,id=libxenstat-cmd,path=/var/run/xen/qmp-libxenstat-1,server,nowait -mon
chardev=libxenstat-cmd,mode=control -nodefaults -xen-attach -name vm4 -vnc none
-display none -nographic -machine xenpv -m 512 LESSKEY=/etc/lesskey.bin
NNTPSERVER=news MANPATH= XDG_SESSION_ID=c1 HOSTNAME=linux
XKEYSYMDB=/usr/X11R6/lib/X11/XKeysymDB HOST=linux TERM=xterm SHELL=/bin/bash
PROFILEREAD=true HISTSIZE=1000 SSH_CLIENT=10.48.12.106 50412 22 MORE=-sl
OLDPWD=/root LIBXL_DEBUG_DUMP_DTB=guest.dtb SSH_TTY=/dev/pts/0 USER=root
LS_COLORS=no=00:fi=00:di=01;34:ln=00;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=41;33;01:ex=00;32:*.cmd=00;32:*.exe=01;32:*.com=01;32:*.bat=01;32:*.btm=01;32:*.dll=01;32:*.tar=00;31:*.tbz=00;31:*.tgz=00;31:*.rpm=00;31:*.deb=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.lzma=00;31:*.zip=00;31:*.zoo=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.tb2=00;31:*.tz2=00;31:*.tbz2=00;31:*.xz=00;31:*.avi=01;35:*.bmp=01;35:*.fli=01;35:*.gif=01;35:*.jpg=01;35:*.jpeg=01;35:*.mng=01;35:*.mov=01;35:*.mpg=01;35:*.pcx=01;35:*.pbm=01;35:*.pgm=01;35:*.png=01;35:*.ppm=01;35:*.tga=01;35:*.tif=01;35:*.xbm=01;35:*.xpm=01;35:*.dl=01;35:*.gl=01;35:*.wmv=01;35:*.aiff=00;32:*.au=00;32:*.mid=00;32:*.mp3=00;32:*.ogg=00;32:*.voc=00;32:*.wav=00;32:
XNLSPATH=/usr/X11R6/lib/X11/nls HOSTTYPE=aarch64
CONFIG_SITE=/usr/share/site/aarch64-suse-linux-gnu PAGER=less CSHEDIT=emacs
XDG_CONFIG_DIRS=/etc/xdg LIBGL_DEBUG=quiet MINICOM=-c on MAIL=/var/mail/root
PATH=/sbin:/usr/sbin:/usr/local/sbin:/root/bin:/usr/local/bin:/usr/bin:/bin:/usr/games
CPU=aarch64 SSH_SENDS_LOCALE=yes INPUTRC=/etc/inputrc PWD=/mnt/xen LANG=en_IN
PYTHONSTARTUP=/etc/pythonstart GPG_TTY=/dev/pts/0 SHLVL=1 HOME=/root
LESS_ADVANCED_PREPROCESSOR=no OSTYPE=linux LS_OPTIONS=-A -N --color=tty -T 0
WINDOWMANAGER= LESS=-M -I -R MACHTYPE=aarch64-suse-linux LOGNAME=root
CVS_RSH=ssh XDG_DATA_DIRS=/usr/share SSH_CONNECTION=10.48.12.106 50412
10.48.12.191 22 LESSOPEN=lessopen.sh %s XDG_RUNTIME_DIR=/run/user/0
NO_AT_BRIDGE=1 LESSCLOSE=lessclose.sh %s %s G_BROKEN_FILENAMES=1 COLORTERM=1
_=/usr/local/sbin/xl
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