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SubjectRe: [PATCH v7 00/12] implement KASLR for powerpc/fsl_booke/32
On Wed, 2019-10-09 at 14:10 +0800, Jason Yan wrote:
> Hi Scott,
>
> Would you please take sometime to test this?
>
> Thank you so much.
>
> On 2019/9/24 13:52, Jason Yan wrote:
> > Hi Scott,
> >
> > Can you test v7 to see if it works to load a kernel at a non-zero address?
> >
> > Thanks,

Sorry for the delay. Here's the output:

## Booting kernel from Legacy Image at 10000000 ...
Image Name: Linux-5.4.0-rc2-00050-g8ac2cf5b4
Image Type: PowerPC Linux Kernel Image (gzip compressed)
Data Size: 7521134 Bytes = 7.2 MiB
Load Address: 04000000
Entry Point: 04000000
Verifying Checksum ... OK
## Flattened Device Tree blob at 1fc00000
Booting using the fdt blob at 0x1fc00000
Uncompressing Kernel Image ... OK
Loading Device Tree to 07fe0000, end 07fff65c ... OK
KASLR: No safe seed for randomizing the kernel base.
OF: reserved mem: initialized node qman-fqd, compatible id fsl,qman-fqd
OF: reserved mem: initialized node qman-pfdr, compatible id fsl,qman-pfdr
OF: reserved mem: initialized node bman-fbpr, compatible id fsl,bman-fbpr
Memory CAM mapping: 64/64/64 Mb, residual: 12032Mb
Linux version 5.4.0-rc2-00050-g8ac2cf5b4e4a-dirty (scott@snotra) (gcc version 8.
1.0 (GCC)) #26 SMP Wed Oct 9 01:50:40 CDT 2019
Using CoreNet Generic machine description
printk: bootconsole [udbg0] enabled
CPU maps initialized for 1 thread per core
-----------------------------------------------------
phys_mem_size = 0x2fc000000
dcache_bsize = 0x40
icache_bsize = 0x40
cpu_features = 0x00000000000003b4
possible = 0x00000000010103bc
always = 0x0000000000000020
cpu_user_features = 0x8c008000 0x08000000
mmu_features = 0x000a0010
physical_start = 0xc7c4000
-----------------------------------------------------
CoreNet Generic board
mpc85xx_qe_init: Could not find Quicc Engine node
barrier-nospec: using isync; sync as speculation barrier
Zone ranges:
Normal [mem 0x0000000004000000-0x000000000fffffff]
HighMem [mem 0x0000000010000000-0x00000002ffffffff]
Movable zone start for each node
Early memory node ranges
node 0: [mem 0x0000000004000000-0x00000002ffffffff]
Initmem setup node 0 [mem 0x0000000004000000-0x00000002ffffffff]
Kernel panic - not syncing: Failed to allocate 125173760 bytes for node 0 memory
map
CPU: 0 PID: 0 Comm: swapper Not tainted 5.4.0-rc2-00050-g8ac2cf5b4e4a-dirty #26
Call Trace:
[c989fe10] [c924bfb0] dump_stack+0x84/0xb4 (unreliable)
[c989fe30] [c880badc] panic+0x140/0x334
[c989fe90] [c89a1144] alloc_node_mem_map.constprop.117+0xa0/0x11c
[c989feb0] [c95481c4] free_area_init_node+0x314/0x5b8
[c989ff30] [c9548b34] free_area_init_nodes+0x57c/0x5c0
[c989ff80] [c952cbb4] setup_arch+0x250/0x270
[c989ffa0] [c95278e0] start_kernel+0x74/0x4e8
[c989fff0] [c87c4478] set_ivor+0x150/0x18c
Kernel Offset: 0x87c4000 from 0xc0000000
Rebooting in 180 seconds..

-Scott


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