On 26.07.19 16:29, João Reis wrote:
> Ok, i've reduced the size of the linux image to 550MB and the rootfs.cpio to
> 540MB, but now the output prints "No space found to load all images". I have a
> memory region with size of 0x3bff0000 (~1GB) and another with
> 0x24000000(~600MB).
Is that the compressed size? One issue is that, when you combine kernel and
initramfs into one image and compress only the kernel, the logic of
jailhouse-cell-linux that calculate the required size after decompression may
overestimate that space demand. You can try tuning with the -k switch.
Jan
>
> quinta-feira, 25 de Julho de 2019 às 16:21:07 UTC+1, Jan Kiszka escreveu:
>
> 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
> >
> > --
> > Siemens AG, Corporate Technology, CT RDA IOT SES-DE
> > Corporate Competence Center Embedded Linux
> >
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