Hi team,
Could you please suggest me why kernel gets stuck at [..] " (XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input) (XEN) Freed 336kB init memory. " [..] Please find the below log :- U-Boot 2015.04 (Jul 23 2019 - 12:58:16) CPU: Renesas Electronics R8A7795 rev 2.0 Board: H3ULCB I2C: ready DRAM: 3.9 GiB MMC: sh-sdhi: 0, sh-sdhi: 1 In: serial Out: serial Err: serial Net: Board Net Initialization Failed No ethernet found. Hit any key to stop autoboot: 0 => ext2load mmc 0:2 0x48080000 /boot/xen.uImage 951696 bytes read in 49 ms (18.5 MiB/s) => ext2load mmc 0:2 0x48000000 /boot/xen.dtb 61568 bytes read in 11 ms (5.3 MiB/s) => ext2load mmc 0:2 0x7a000000 /boot/Image 15782400 bytes read in 662 ms (22.7 MiB/s) => bootm 0x48080000 - 0x48000000 ## Booting kernel from Legacy Image at 48080000 ... Image Name: XEN Image Type: AArch64 Linux Kernel Image (uncompressed) Data Size: 951632 Bytes = 929.3 KiB Load Address: 78080000 Entry Point: 78080000 Verifying Checksum ... OK ## Flattened Device Tree blob at 48000000 Booting using the fdt blob at 0x48000000 Loading Kernel Image ... OK Using Device Tree in place at 0000000048000000, end 000000004801207f Starting kernel ... - 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: 0000000048000000 - 000000007fffffff (XEN) RAM: 0000000500000000 - 000000053fffffff (XEN) RAM: 0000000600000000 - 000000063fffffff (XEN) RAM: 0000000700000000 - 000000073fffffff (XEN) (XEN) MODULE[0]: 0000000048000000 - 0000000048010000 Device Tree (XEN) MODULE[1]: 000000007a000000 - 000000007c000000 Kernel (XEN) RESVD[0]: 0000000048000000 - 0000000048010000 (XEN) (XEN) (XEN) Command line: dom0_mem=752M console=dtuart dtuart=serial0 dom0_max_vcpus=4 (XEN) PFN compression on bits 19...19 (XEN) Domain heap initialised (XEN) Booting using Device Tree (XEN) Platform: Generic System (XEN) Looking for dtuart at "serial0", options "" Xen 4.13-unstable (XEN) Xen version 4.13-unstable (aarch64-poky-linux-gcc (Linaro GCC 5.2-2015.11-2) 5.2.1 20151005) debug=y Tue Jul 30 12:23:51 IST 209 (XEN) Latest ChangeSet: Fri Jul 19 13:51:24 2019 +0200 git:66d11b9-dirty (XEN) build-id: ed9351ffb11d753817e362e4bd6d189b3a2de317 (XEN) Processor: 411fd073: "ARM Limited", variant: 0x1, part 0xd07, rev 0x3 (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: 0000000000001124 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 SMC Calling Convention v1.0 (XEN) Using PSCI v1.0 (XEN) SMP: Allowing 8 CPUs (XEN) Generic Timer IRQ: phys=30 hyp=26 virt=27 Freq: 8333 KHz (XEN) GICv2 initialization: (XEN) gic_dist_addr=00000000f1010000 (XEN) gic_cpu_addr=00000000f1020000 (XEN) gic_hyp_addr=00000000f1040000 (XEN) gic_vcpu_addr=00000000f1060000 (XEN) gic_maintenance_irq=25 (XEN) GICv2: Adjusting CPU interface base to 0xf102f000 (XEN) GICv2: 512 lines, 8 cpus, secure (IID 0200043b). (XEN) XSM Framework v1.0.0 initialized (XEN) Initialising XSM SILO mode (XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2) (XEN) Initializing Credit2 scheduler (XEN) load_precision_shift: 18 (XEN) load_window_shift: 30 (XEN) underload_balance_tolerance: 0 (XEN) overload_balance_tolerance: -3 (XEN) runqueues arrangement: socket (XEN) cap enforcement granularity: 10ms (XEN) load tracking window length 1073741824 ns (XEN) Adding cpu 0 to runqueue 0 (XEN) First cpu on runqueue, activating (XEN) Allocated console ring of 64 KiB. (XEN) CPU0: Guest atomics will try 10 times before pausing the domain (XEN) Bringing up CPU1 - CPU 00000001 booting - - Current EL 00000008 - - Xen starting at EL2 - - Setting up control registers - - Turning on paging - - Ready - (XEN) Adding cpu 1 to runqueue 0 (XEN) CPU1: Guest atomics will try 13 times before pausing the domain (XEN) CPU 1 booted. (XEN) Bringing up CPU2 - CPU 00000002 booting - - Current EL 00000008 - - Xen starting at EL2 - - Setting up control registers - - Turning on paging - - Ready - (XEN) Adding cpu 2 to runqueue 0 (XEN) CPU2: Guest atomics will try 9 times before pausing the domain (XEN) CPU 2 booted. (XEN) Bringing up CPU3 - CPU 00000003 booting - - Current EL 00000008 - - Xen starting at EL2 - - Setting up control registers - - Turning on paging - - Ready - (XEN) Adding cpu 3 to runqueue 0 (XEN) CPU3: Guest atomics will try 9 times before pausing the domain (XEN) CPU 3 booted. (XEN) Bringing up CPU4 (XEN) Failed to bring up CPU4 (XEN) Failed to bring up CPU 4 (error -6) (XEN) Bringing up CPU5 (XEN) Failed to bring up CPU5 (XEN) Failed to bring up CPU 5 (error -6) (XEN) Bringing up CPU6 (XEN) Failed to bring up CPU6 (XEN) Failed to bring up CPU 6 (error -6) (XEN) Bringing up CPU7 (XEN) Failed to bring up CPU7 (XEN) Failed to bring up CPU 7 (error -6) (XEN) Brought up 4 CPUs (XEN) P2M: 44-bit IPA with 44-bit PA and 8-bit VMID (XEN) P2M: 4 levels with order-0 root, VTCR 0x80043594 (XEN) I/O virtualisation disabled (XEN) alternatives: Patching with alt table 00000000002bbd90 -> 00000000002bc450 (XEN) *** LOADING DOMAIN 0 *** (XEN) Loading d0 kernel from boot module @ 000000007a000000 (XEN) Allocating 1:1 mappings totalling 752MB for dom0: (XEN) BANK[0] 0x0000004e000000-0x00000078000000 (672MB) (XEN) BANK[1] 0x00000079000000-0x0000007a000000 (16MB) (XEN) BANK[2] 0x0000007c000000-0x00000080000000 (64MB) (XEN) Grant table range: 0x00000078080000-0x000000780c0000 (XEN) Allocating PPI 16 for event channel interrupt (XEN) Loading zImage from 000000007a000000 to 000000004e080000-0000000050080000 (XEN) Loading dom0 DTB to 0x0000000056000000-0x000000005600e6e7 (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Scrubbing Free RAM in background (XEN) Std. Loglevel: All (XEN) Guest Loglevel: All (XEN) *************************************************** (XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1. (XEN) Please update your firmware. (XEN) *************************************************** (XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1. (XEN) Please update your firmware. (XEN) *************************************************** (XEN) No support for ARM_SMCCC_ARCH_WORKAROUND_1. (XEN) Please update your firmware. (XEN) *************************************************** (XEN) 3... 2... 1... (XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input) (XEN) Freed 336kB init memory. CTRL-A Z for help | 115200 8N1 | NOR | Minicom 2.7 | VT102 | Offline | ttyUSB0 Regards, Raushan. This message contains information that may be privileged or confidential and is the property of the KPIT Technologies Ltd. It is intended only for the person to whom it is addressed. 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