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[Xen-devel] Fw: Boot Xen on Jetson TX2

  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: "Wang, Baoqian" <bwang1@xxxxxxxxxxxxxxxxxxx>
  • Date: Fri, 22 Dec 2017 16:54:41 +0000
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  • Thread-topic: [Xen-devel] Boot Xen on Jetson TX2

From: Wang, Baoqian
Sent: Thursday, December 21, 2017 7:53 PM
To: Andrii Anisov
Subject: Re: [Xen-devel] Boot Xen on Jetson TX2

I also dumped domain0 info, it shows :

VCPU information and callbacks for domain 0:                                                                          
(XEN)     VCPU0: CPU0 [has=F] poll=0 upcall_pend=00 upcall_mask=01 dirty_cpus={}                                            
(XEN)     cpu_hard_affinity={0} cpu_soft_affinity={0}                                                                       
(XEN)     pause_count=0 pause_flags=0                                                                                       
(XEN) GICH_LRs (vcpu 0) mask=0                                                                                              
(XEN)    VCPU_LR[0]=0                                                                                                       
(XEN)    VCPU_LR[1]=0                                                                                                       
(XEN)    VCPU_LR[2]=0                                                                                                       
(XEN)    VCPU_LR[3]=0                                                                                                       
(XEN)     No periodic timer          

There is not periodic timer and the CPU0[has=F], is this the problem?                                                             

From: Wang, Baoqian
Sent: Thursday, December 21, 2017 7:24:02 PM
To: Andrii Anisov
Subject: Re: [Xen-devel] Boot Xen on Jetson TX2

Hi Andrii,

Thanks for your reply. I tried your suggestions and got the following messages.  The PC is a0080000 where the kernel image is loaded.  The X0 is a8000000 where dtb is loaded. It seems that vcpu did not even execute the zImage.  Other things looks normal. is it possible something wrong  with the domain0 kernel or the memory address where it is loaded.  Any other suggestions? Thank you!

Baoqian Wang

(XEN) *** Dumping Dom0 vcpu#0 state: ***
(XEN) ----[ Xen-4.9.0  arm64  debug=y   Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     00000000a0080000
(XEN) LR:     0000000000000000
(XEN) SP_EL0: 0000000000000000
(XEN) SP_EL1: 0000000000000000
(XEN) CPSR:   000001c5 MODE:64-bit EL1h (Guest Kernel, handler)
(XEN)      X0: 00000000a8000000  X1: 0000000000000000  X2: 0000000000000000
(XEN)      X3: 0000000000000000  X4: 0000000000000000  X5: 0000000000000000
(XEN)      X6: 0000000000000000  X7: 0000000000000000  X8: 0000000000000000
(XEN)      X9: 0000000000000000 X10: 0000000000000000 X11: 0000000000000000
(XEN)     X12: 0000000000000000 X13: 0000000000000000 X14: 0000000000000000
(XEN)     X15: 0000000000000000 X16: 0000000000000000 X17: 0000000000000000
(XEN)     X18: 0000000000000000 X19: 0000000000000000 X20: 0000000000000000
(XEN)     X21: 0000000000000000 X22: 0000000000000000 X23: 0000000000000000
(XEN)     X24: 0000000000000000 X25: 0000000000000000 X26: 0000000000000000
(XEN)     X27: 0000000000000000 X28: 0000000000000000  FP: 0000000000000000
(XEN)    ELR_EL1: 0000000000000000
(XEN)    ESR_EL1: 00000000
(XEN)    FAR_EL1: 0000000000000000
(XEN)  SCTLR_EL1: 00c50838
(XEN)    TCR_EL1: 00000000
(XEN)  TTBR0_EL1: 0000000000000000
(XEN)  TTBR1_EL1: 0000000000000000
(XEN)   VTCR_EL2: 80043594
(XEN)  VTTBR_EL2: 0001000275d33000
(XEN)  SCTLR_EL2: 30cd183d
(XEN)    HCR_EL2: 000000008038663f
(XEN)  TTBR0_EL2: 0000000275cfe000

(XEN)    ESR_EL2: 8200000d
(XEN)  HPFAR_EL2: 0000000000000000
(XEN)    FAR_EL2: 00000000a0080000
(XEN) Guest stack trace from sp=0:
(XEN)   Failed to convert stack to physical address
(XEN) '0' pressed -> dumping Dom0's registers

From: Andrii Anisov <andrii_anisov@xxxxxxxx>
Sent: Thursday, December 21, 2017 3:16:01 AM
To: Wang, Baoqian; xen-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Boot Xen on Jetson TX2
Hello Wang,

On 20.12.17 23:29, Wang, Baoqian wrote:
> (XEN) 3... 2... 1...
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 288kB init memory.
Try switching to XEN console now. Hit Ctrl-a three (six with minicom)
times, then '0'.


*Andrii Anisov*


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