El jueves, 22 de marzo de 2018, 16:33:02 (UTC+1), Ralf Ramsauer escribió:
> On 03/22/2018 04:23 PM, iallende wrote:
> > El miércoles, 21 de marzo de 2018, 15:25:02 (UTC+1), Ralf Ramsauer
> > escribió:
> >> 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.
> > With v0.8 i get this WARNING and I can load the module:
> > WARNING: "__hyp_stub_vectors" [/jailhouse/driver/jailhouse.ko] undefined!
> Please switch to next, and not to v0.8. Compile your kernel with
> CONFIG_KALLSYMS_ALL=y, or use this [1] patch.
>
> Ralf
>
> [1]
> http://git.kiszka.org/?p=linux.git;a=commit;h=2a681cb2213e3ea0f142fae7345fb80208a88a53
> >>> 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?
> >>>
> >
It works with jailhouse-next, however, how can we switch between consoles?
root@xilinx-zcu102-2017_4:/cells# jailhouse cell list
ID Name State Assigned CPUs Failed
CPUs
0 ZynqMP-ZCU102 running 0-1
1 ZynqMP-linux-demo running 2-3
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