Re: Arndale: domU not booting

[Josep Subirats <josep.subirats@bsc.es>]

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Dear Mr. Campbell,

Many thanks for your answer. I recompiled the dom0 kernel with GNTDEV 
(couldn't find gnttab, were you referring to gntdev?) built into the 
kernel, and any other XEN driver. Should I also recompile the domU 
kernel with this option? I also gave execution rights to the "image" 
(kernel+xendtb) file, just in case. I installed qemu-system and 
qemu-utils and linked /usr/local/lib/xen/bin/qemu-system-i386 to the 
path where qemu-system-i386 was actually located. When I boot, I execute:

/root@arndale:~/vmTest# /etc/init.d/xencommons start//
//Starting C xenstored...//
//Setting domain 0 name...//
//Starting xenconsoled...//
//Starting QEMU as disk backend for dom0
Option xen-domid not supported for this target
//
//root@arndale:~/vmTest# /etc/init.d/xendomains start/

What I now get when I try to create the VM is:

/root@arndale:~/vmTest# xl create -c vmTest.cfg //
//Parsing config from vmTest.cfg//
///etc/xen/scripts/block-common.sh: line 1: Jն�:���ʗ/_y�^�����A�: No 
such file or directory//
///etc/xen/scripts/block-common.sh: line 2: 
$'\247\206\261p\252\036#t\207\216#\301T\317': command not found//
///etc/xen/scripts/block-common.sh: line 3: ��0��: Input/output error//
///etc/xen/scripts/block-common.sh: line 4: 
$'\313\361+K\364\260Z\375\271\314\005\275\366v\276\035\2776\032j\324KsoW\276OJ:': 
command not found//
//
//malloc: ../bash/subst.c:8485: assertion botched//
//malloc: block on free list clobbered //
//Aborting...libxl: error: 
libxl_exec.c:129:libxl_report_child_exitstatus: /etc/xen/scripts/block 
add [3155] died due to fatal signal Aborted //
//libxl: error: libxl_create.c:935:domcreate_launch_dm: unable to add 
disk devices //
//libxl: error: libxl_xshelp.c:212:libxl__xs_transaction_start: could 
not create xenstore transaction: Read-only file system //
//libxl: error: libxl_device.c:798:libxl__initiate_device_remove: unable 
to start transaction //
//libxl: error: libxl_xshelp.c:212:libxl__xs_transaction_start: could 
not create xenstore transaction: Read-only file system//
//libxl: error: libxl.c:1456:devices_destroy_cb: libxl__devices_destroy 
failed for 1/

After this, the filesystem becomes read-only and I have to reboot the 
whole board. What can be happening?

Many thanks for your help.

Kind regards,

Josep


On 10/22/2013 06:58 PM, Ian Campbell wrote:
> On Tue, 2013-10-22 at 18:07 +0200, Josep Subirats wrote:
>
>> root@arndale:/# /etc/init.d/xencommons start
>> Starting C xenstored...WARNING: Failed to open connection to gnttab
> Make sure you have all the Xen drivers enabled in your kernel, including
> the gnttab one. Also make sure the modules are loaded, or better build
> them into the kernel statically.
>   
>> 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
> Your root filesystem seems to be missing the coreutils package (or
> something else which provides dirname). The following errors all look
> like fallout from this.
>
> Ian.
>



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