Hi,
On 03/21/2018 02:54 PM, iallende wrote:
> Hi everyone,
>
> I am trying to run Jailhouse in the ZynqMP, with Linux PREEMPT RT in another
> cell. However, I have some problems when I add the second Linux.
>
> root@xilinx-zcu102-2017_4:/# modprobe jailhouse
> [ 52.445169] jailhouse: loading out-of-tree module taints kernel.
> root@xilinx-zcu102-2017_4:/# ls /dev/jailhouse ^C
> root@xilinx-zcu102-2017_4:/# jailhouse enable zynqmp-zcu102.cell
>
> Initializing Jailhouse hypervisor v0.7 (0-g5c13b64) on CPU 2
Please checkout next and try again. This might already fix your issue.
> Code location: 0x0000ffffc0200050
> Page pool usage after early setup: mem 33/996, remap 64/131072
> Initializing processors:
> CPU 2... OK
> CPU 0... OK
> CPU 3... OK
> CPU 1... OK
> Adding virtual PCI device 00:00.0 to cell "ZynqMP-ZCU102"
> Adding virtual PCI device 00:01.0 to cell "ZynqMP-ZCU102"
> Page pool usage after late setup: mem 42/996, remap 69/131072
> Activating hypervisor
> [ 63.697232] jailhouse: CONFIG_OF_OVERLAY disabled
> [ 63.704029] jailhouse: failed to add virtual host controller
> [ 63.711610] The Jailhouse is opening.
>
> root@xilinx-zcu102-2017_4:/# jailhouse cell linux
> zynqmp-zcu102-linux-demo.cell Image -d system.dtb -i rootfs.cpio
>
> FATAL: unhandled trap (exception class 0x17)
Exception class 0x17 is a SMC64 call.
> Cell state before exception:
> pc: ffffff800808e390 lr: ffffff8008467504 spsr: 20000145 EL1
> sp: ffffffc87b927ab0 esr: 17 1 0000000
> x0: 00000000c2000014 x1: 00000000fd1a0060 x2: 0000000000000000
Furthermore, it's a SIP_64.
Commit 2482c47bc2d05f ("arm64: ignore SIPs used for low-power modes") on
next will probably fix your issue.
Ralf
> x3: 0000000000000000 x4: 0000000000000000 x5: 0000000000000000
> x6: 0000000000000000 x7: 0000000000000000 x8: ffffff8008d27ee0
> x9: ffffffc87aaa4b5c x10: ffffffc87b927b4c x11: ffffff8008c8ccb2
> x12: 0000000000000000 x13: 0000000000000f93 x14: 0000000000000001
> x15: 0000000000000000 x16: ffffff8008193240 x17: 00000000004128f0
> x18: 0000000000040900 x19: ffffffc87b927b28 x20: 0000000000000001
> x21: 000000004784b740 x22: 000000004784b740 x23: fffffffffffffffa
> x24: 00000000000f4240 x25: 00000000000f4240 x26: 00000000000f4240
> x27: 0000000000000000 x28: 0000000000000000 x29: ffffffc87b927ac0
>
> Parking CPU 2 (Cell: "ZynqMP-ZCU102")
>
>
> Does anyone know why I have this problem? Am I missing any step?
>
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