Hello All I am trying to run Xen on new hardware which has two A35 and one A72 core. Xen booted intially but it hangs at *smp_call_function(setup_virt_paging_one, (void *)val, 1) *function call. Find following log of Xen booting,
*- UART enabled - - CPU 00000000 booting - - Current EL 00000008 - - Xen starting at EL2 - - Zero BSS - - Setting up control registers - - Turning on paging - - Ready - (XEN) Checking for initrd in /chosen (XEN) RAM: 0000000040000000 - 00000000bfffffff (XEN) (XEN) MODULE[0]: 0000000044000000 - 000000004400fd5a Device Tree (XEN) (XEN) Command line: <NULL> (XEN) Placing Xen at 0x00000000bfe00000-0x00000000c0000000 (XEN) Update BOOTMOD_XEN from 0000000040080000-0000000040194e01 => 00000000bfe01(XEN) Domain heap initialised (XEN) Booting using Device Tree (XEN) Platform: Generic System (XEN) Taking dtuart configuration from /chosen/stdout-path (XEN) Looking for dtuart at "serial0", options "" __ __ _ _ _ ___ _ _ _ \ \/ /___ _ __ | || | / |/ _ \ _ _ _ __ ___| |_ __ _| |__ | | ___ \ // _ \ '_ \ | || |_ | | | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \ / \ __/ | | | |__ _|| | |_| |__| |_| | | | \__ \ || (_| | |_) | | __/ /_/\_\___|_| |_| |_|(_)_|\___/ \__,_|_| |_|___/\__\__,_|_.__/|_|\___| (XEN) Xen version 4.10-unstable (bgohil@) (aarch64-linux-gnu-gcc (Ubuntu/Linaro7(XEN) Latest ChangeSet: Fri Aug 11 19:02:51 2017 +0100 git:9053a74-dirty (XEN) Processor: 410fd041: "ARM Limited", variant: 0x0, part 0xd04, rev 0x1 (XEN) 64-bit Execution: (XEN) Processor Features: 0000000000002222 0000000000000000 (XEN) Exception Levels: EL3:64+32 EL2:64+32 EL1:64+32 EL0:64+32 (XEN) Extensions: FloatingPoint AdvancedSIMD (XEN) Debug Features: 0000000010305106 0000000000000000 (XEN) Auxiliary Features: 0000000000000000 0000000000000000 (XEN) Memory Model Features: 0000000000101122 0000000000000000 (XEN) ISA Features: 0000000000011120 0000000000000000 (XEN) 32-bit Execution: (XEN) Processor Features: 00000131:00011011 (XEN) Instruction Sets: AArch32 A32 Thumb Thumb-2 Jazelle (XEN) Extensions: GenericTimer Security (XEN) Debug Features: 03010066 (XEN) Auxiliary Features: 00000000 (XEN) Memory Model Features: 10201105 40000000 01260000 02102211 (XEN) ISA Features: 02101110 13112111 21232042 01112131 00011142 00011121 (XEN) Using PSCI-1.0 for SMP bringup (XEN) SMP: Allowing 3 CPUs (XEN) Generic Timer IRQ: phys=30 hyp=26 virt=27 Freq: 13000 KHz (XEN) GICv2: WARNING: The GICC size is too small: 0x1000 expected 0x2000 (XEN) GICv2 initialization: (XEN) gic_dist_addr=0000000010510000 (XEN) gic_cpu_addr=0000000010520000 (XEN) gic_hyp_addr=0000000010540000 (XEN) gic_vcpu_addr=0000000010560000 (XEN) gic_maintenance_irq=25 (XEN) GICv2: 384 lines, 6 cpus, secure (IID 0200143b). (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Allocated console ring of 32 KiB. (XEN) Bringing up CPU1 - CPU 00000001 booting - - Current EL 00000008 - - Xen starting at EL2 - - Setting up control registers - - Turning on paging - - Ready - (XEN) CPU 1 booted. (XEN) Bringing up CPU2 - CPU 00000200 booting - - Current EL 00000008 - - Xen starting at EL2 - - Setting up control registers - - Turning on paging - - Ready - (XEN) CPU 2 booted. (XEN) Brought up 3 CPUs (XEN) P2M: 40-bit IPA with 40-bit PA and 8-bit VMID (XEN) P2M: 3 levels with order-1 root, VTCR 0x80023558 * Can anyone guide me how to debug this problem or what could be wrong here? It looks, writing into VTCR_EL2 hang the system. -- Regards, Bharat Gohil
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