Re: [Embedded-pv-devel] Xen bring up on TI DRA7xxx (J6) EVM

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi,

On 25/05/2015 09:36, akshay bhat wrote:
> (XEN) 3... 2... 1...
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 252kB init memory.
> Booting Linux on physical CPU 0x0
> Linux version 3.12.25-28678-gbe43a19-dirty (akshay@akshay-desktop) (gcc
> version 4.7.3 20130226 (prerelease) (crosstool-NG
> linaro-1.13.1-4.7-2013.03-20130313 - Linaro GCC 2013.03) ) #13 SMP
> PREEMPT Mon May 25 12:44:25 IST 2015
> CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=10c5387d
> CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
> Machine: Jacinto6 evm board, model: TI DRA7
> debug: ignoring loglevel setting.
> cma: CMA: reserved 64 MiB at 99000000
> cma: CMA: reserved 56 MiB at 95800000
> cma: CMA: reserved 8 MiB at 9f000000
> cma: CMA: reserved 32 MiB at 9d000000
> cma: CMA: reserved 24 MiB at ae000000
> Memory policy: ECC disabled, Data cache writealloc
> OMAP4: Map 0xcfe00000 to 0xfe600000 for dram barrier
> On node 0 totalpages: 260608
> free_area_init_node: node 0, pgdat c09732c0, node_mem_map c09b5000
>    Normal zone: 1520 pages used for memmap
>    Normal zone: 0 pages reserved
>    Normal zone: 160768 pages, LIFO batch:31
>    HighMem zone: 1040 pages used for memmap
>    HighMem zone: 99840 pages, LIFO batch:31
> psci: probing function IDs from device-tree
> *clockdomain: mpu0_clkdm: powerdomain cpu0_pwrdm does not exist
> clockdomain: mpu1_clkdm: powerdomain cpu1_pwrdm does not exist*
> PERCPU: Embedded 8 pages/cpu @c13e3000 s8704 r8192 d15872 u32768
> pcpu-alloc: s8704 r8192 d15872 u32768 alloc=8*4096
> pcpu-alloc: [0] 0 [0] 1
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 259088
> Kernel command line: console=hvc0 earlyprintk=xen debug ignore_loglevel
> root=/dev/mmcblk0p2 rw rootwait fixrtc
> PID hash table entries: 4096 (order: 2, 16384 bytes)
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Memory: 834380K/1042432K available (6539K kernel code, 530K rwdata,
> 2220K rodata, 352K init, 253K bss, 208052K reserved, 399360K highmem)
> Virtual kernel memory layout:
>      vector  : 0xffff0000 - 0xffff1000   (   4 kB)
>      fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
>      vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
>      lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
>      pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
>      modules : 0xbf000000 - 0xbfe00000   (  14 MB)
>        .text : 0xc0008000 - 0xc08960ac   (8761 kB)
>        .init : 0xc0897000 - 0xc08ef200   ( 353 kB)
>        .data : 0xc08f0000 - 0xc0974ba8   ( 531 kB)
>         .bss : 0xc0974bb4 - 0xc09b403c   ( 254 kB)
> Preemptible hierarchical RCU implementation.
> NR_IRQS:16 nr_irqs:16 16
> Unhandled fault: terminal exception (0x002) at 0xfa281010
It's usually because an MMIO region has not been mapped in DOM0.
Please give a look in the kernel to see what he is trying to map.

Regards,

--
Julien Grall

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