On 25.07.19 14:53, João Reis wrote:
> Even when i set all RAM regions to non rootshared, the problem continues (send
> in attachment the newly adjusted config file). Is the linux image that i am
> using too big (1,2GB)? I've generated the image using the steps described
> on setup-on-zynqmp-zcu102.md (Testing Jailhouse Linux).
>
If I do the math right, you are even not close to that 1.2 GB when it comes to
the RAM you assigned. It's maybe some 700 MB.
Jan
>
> quinta-feira, 25 de Julho de 2019 às 11:00:36 UTC+1, Jan Kiszka escreveu:
>
> On 25.07.19 11:32, João Reis wrote:
> > Hello,
> >
> > I'm trying to apply cache coloring to Linux and Erika. As root cell
> Linux
> cannot
> > be colored, i intend to use colored Linux in a non-root cell and colored
> Erika
> > in another non-root cell (the system stays as: Linux in root cell,
> Linux and
> > Erika in non-root cells).
> >
> > The problem that is occuring to me is when i issue the command:
> jailhouse
> cell
> > linux ultra96-linux-demo.cell Image -i rootfs.cpio -c "console=ttyS0,
> 115200"
> >
> > The error is the following:
> >
> > root@xilinx-ultra96-reva-2018_2:~# jailhouse cell linux
> ultra96-linux-demo.cell
> > Image -d inmate-zynqmp-zcu102-2.dtb -i rootfs.cpio -c "console=ttyS0,
> 115200"
> > [ 127.150370] python invoked oom-killer:
> > gfp_mask=0x16080c0(GFP_KERNEL|__GFP_ZERO|__GFP_NOTRACK),
> nodemask=(null),
> > order=0, oom_score_adj=0
>
> Looks like your inmate configuration grants too little memory for the
> Linux
> guest. Note that the in-tree configs may only be happily used with very
> small
> Linux images, just as the buildroot we generate via jailhouse-images.
>
> Looking at your config...
>
> /* RAM */ {
> .phys_start = 0x74000000,
> .virt_start = 0x74000000,
> .size = 0x7ef0000,
> .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_DMA |
> JAILHOUSE_MEM_LOADABLE,
> },
>
> This one is fine and will be available to the guest.
>
> /* RAM */{
> .phys_start = 0x3fd00000,
> .virt_start = 0x3fd00000,
> .size = 0x202f0000, //must be page size aligned
> .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE |
> JAILHOUSE_MEM_ROOTSHARED, //se tirar
> JAILHOUSE_MEM_ROOTSHARED da exception
> fault 0x20
> },
>
> This one isn't because it shares RAM with the root cell that is probably
> not
> intended to be shared. But it will also not be presented as RAM to the
> non-root
> cell (via the devices tree) because of the ROOTSHARED tag.
>
> Jan
>
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> Siemens AG, Corporate Technology, CT RDA IOT SES-DE
> Corporate Competence Center Embedded Linux
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