Xen project Mailing List

On 26 March 2013 14:52, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:
>
> On Mon, 25 Mar 2013, Sander Bogaert wrote:
> > On 21 March 2013 21:01, Sander Bogaert <sander.bogaert@xxxxxxxxxxxxx> wrote:
> > On 18 March 2013 15:04, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> > On Mon, 2013-03-18 at 12:26 +0000, Sander Bogaert wrote:
> > > Hi,
> > >
> > >
> > > Using the latest Xen staging ( git://xenbits.xen.org/xen.git - staging
> > > ) and the lastest kernel for dom0
> > > ( git://github.com/torvalds/linux.git - master ) Xen crashes starting
> > > dom0. I tried 3 approaches:
> > >
> > >
> > > 1. mmc filesystem
> > > xen,dom0-bootargs = "earlyprintk=xenboot console=ttyAMA0
> > > mem=2048M root=/dev/mmcblk0 rw ip=dhcp"
> > > crashlog attached "xen_crash_1_mmc"
> > > 2. nfs filesystem
> > > xen,dom0-bootargs = "earlyprintk=xenboot console=ttyAMA1 rw
> > > root=/dev/nfs nfsroot=157.193.205.141:/srv/nfsrootmin ip=dhcp";
> > > crashlog attached "xen_crash_2_nfs"
> > > 3. ramdisk - this works!
> >
> > Interesting. I'll concentrate on the first one since I know it works.
> > What version of the models are you running? What is your model command
> > line?
> >
> >
> > I'm running FastModels 8.0 that I downloaded last week. This is how I execute:
> >
> > ./model_shell ../resources/Cortex-A15x1/cadi_system_Linux-Release-GCC-4.4.so ../resources/xen_mmc -C
> > motherboard.flashloader0.fname=../resources/kernel -C mothe rboard.mmc.p_mmc_file="../resources/disk.img" -C
> > motherboard.smsc_91c111.enabled=1 -C motherboard.hostbridge.userNetworking=1
> >
> >
> > Where does your DTB come from? What hypervisor command line did it
> > include (it seems your logs only start after the early hypervisor bits,
> > please include everything if possible).
> >
> >
> > My dtb is compiled from this repository:
> > git://xenbits.xen.org/people/sstabellini/device-trees.git
> >
> > I attached the whole log this time.
> >
> >
> > (XEN) Guest data abort: Translation fault at level 2
> > (XEN) gva=ef7ff000
> > (XEN) gpa=00000000af7ff000
> > (XEN) instruction syndrome invalid
> > (XEN) eat=0 cm=0 s1ptw=0 dfsc=6
> > (XEN) dom0 IPA 0x00000000af7ff000
> >
> > 0xaf7ff000 is a DRAM address. I noticed that the guest just logged
> > "Truncating memory at 0x80000000 to fit in 32-bit physical address
> > space". Might relate to how much memory the host and/or dom0 have been
> > given?
> >
> >
> > Where would I configure this?
> >
> >
> > (XEN) P2M @ 02ffbfc0 mfn:0xffdfe
> > (XEN) 1ST[0x2] = 0x00000000ffdfb6ff
> > (XEN) 2ND[0x17b] = 0x0000000000000000
> > (XEN) ----[ Xen-4.3-unstable arm32 debug=y Not tainted ]----
> > (XEN) CPU: 0
> > (XEN) PC: c014c024
> >
> >
> > Can you translate 0xc014c024 into a line of the kernel? (e.g. with addr2line).
> >
> >
> > addr2line -f -e vmlinux 0xc014c024
> > __memzero
> > /home/dzan/thesis/source/kernels/linus-linux/arch/arm/lib/memzero.S:54
> >
> > I'm not really sure this is correct since I did it on the vmlinux binary and I pass the zImage to FastModels.
> >
> >
> >
> >
> > (XEN) CPSR: 200001d3 MODE:32-bit Guest SVC
> >
> > Ian.
> >
>
>
> Can you please avoid using HTML in your emails? I use a text based email
> client, I can barely make out the content.

Sorry about that, I'll use plain text.

>
>
>
>
>
> > Hi,
> >
> > I just wanted to report this seems to be fixed with the latest commits ( Right at the end of the kernel booting my system still
> > hangs but I don't know if this is related ( see log ) ).
>
> Thanks, for testing!
> Have you tried appending init=/bin/bash or init=/bin/sh to the kernel command line?

Yes I have but I got other errors too. I think it must have something to do with the roofs I have, could you please point me to the one you ( or other ) developers use?

Thanks!

Re: [Xen-devel] FastModels Xen Crash - Guest data abort: Translation fault at level 2