Hi, Has anyone successfully brought up the topic-pci branch kernel with acpi=force on Mustang? The boot is stalled in the middle of it.
[ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.0-rc1+ (itaru.kitayama@localhost.localdomain) (gcc version 5.3.1 20151207 (Red Hat 5.3.1-2) (GCC) ) #1 SMP Sun Jan 24 19:22:32 CST 2016 [ 0.000000] Boot CPU: AArch64 Processor [500f0001] [ 0.000000] earlycon: Early serial console at MMIO32 0x1c020000 (options '') [ 0.000000] bootconsole [uart0] enabled [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] EFI v2.40 by X-Gene Mustang Board EFI Nov 24 2015 13:22:41 [ 0.000000] efi: ACPI=0x47fa869000 ACPI 2.0=0x47fa869014 SMBIOS 3.0=0x47fa867000 [ 0.000000] cma: Reserved 512 MiB at 0x00000040e0000000 [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000047FA869014 000024 (v02 APM ) [ 0.000000] ACPI: XSDT 0x00000047FA8680E8 00006C (v01 APM XGENE 00000003 01000013) [ 0.000000] ACPI: FACP 0x00000047FA85F000 00010C (v05 APM XGENE 00000003 INTL 20140724) [ 0.000000] ACPI: DSDT 0x00000047FA860000 00495F (v05 APM APM88xxx 00000001 INTL 20140724) [ 0.000000] ACPI: DBG2 0x00000047FA865000 0000AA (v00 APMC0D XGENEDBG 00000000 INTL 20140724) [ 0.000000] ACPI: GTDT 0x00000047FA85D000 0000E0 (v02 APM XGENE 00000001 INTL 20140724) [ 0.000000] ACPI: MCFG 0x00000047FA85C000 00003C (v01 APM XGENE 00000002 INTL 20140724) [ 0.000000] ACPI: SPCR 0x00000047FA85B000 000050 (v02 APMC0D XGENESPC 00000000 INTL 20140724) [ 0.000000] ACPI: SSDT 0x00000047FA85A000 00002D (v02 APM XGENE 00000001 INTL 20140724) [ 0.000000] ACPI: APIC 0x00000047FA859000 0002A4 (v03 APM XGENE 00000003 01000013) [ 0.000000] ACPI: SSDT 0x00000047FA858000 000078 (v02 REDHAT MACADDRS 00000001 01000013) [ 0.000000] ACPI: SSDT 0x00000047FA857000 000032 (v02 REDHAT UARTCLKS 00000001 01000013) [ 0.000000] psci: is not implemented in ACPI. [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] Unsupported ACPI enable-method [ 0.000000] PERCPU: Embedded 2 pages/cpu @fffffe07fff90000 s90496 r8192 d32384 u131072 [ 0.000000] Detected PIPT I-cache on CPU0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 523776 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.4.0-rc1+ root=UUID=0e305934-49d5-4f66-b10b-23ec6029fab9 ro acpi=force earlycon=uart8250,mmio32,0x1c020000 console=ttyS0,115200 [ 0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes) [ 0.000000] Dentry cache hash table entries: 4194304 (order: 9, 33554432 bytes) [ 0.000000] Inode-cache hash table entries: 2097152 (order: 8, 16777216 bytes) [ 0.000000] software IO TLB [mem 0x40dbff0000-0x40dfff0000] (64MB) mapped at [fffffe00dbff0000-fffffe00dffeffff] [ 0.000000] Memory: 32851584K/33554432K available (7946K kernel code, 1243K rwdata, 5056K rodata, 832K init, 1460K bss, 178560K reserved, 524288K cma-reserved) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vmalloc : 0xfffffc0000000000 - 0xfffffdfedfff0000 ( 2043 GB) [ 0.000000] vmemmap : 0xfffffdfee0000000 - 0xfffffdffe0000000 ( 4 GB maximum) [ 0.000000] 0xfffffdfef0000000 - 0xfffffdfef2000000 ( 32 MB actual) [ 0.000000] fixed : 0xfffffdfffa7d0000 - 0xfffffdfffac00000 ( 4288 KB) [ 0.000000] PCI I/O : 0xfffffdfffae00000 - 0xfffffdfffbe00000 ( 16 MB) [ 0.000000] modules : 0xfffffdfffc000000 - 0xfffffe0000000000 ( 64 MB) [ 0.000000] memory : 0xfffffe0000000000 - 0xfffffe0800000000 ( 32768 MB) [ 0.000000] .init : 0xfffffe0000d50000 - 0xfffffe0000e20000 ( 832 KB) [ 0.000000] .text : 0xfffffe0000080000 - 0xfffffe0000d42bf4 ( 13067 KB) [ 0.000000] .data : 0xfffffe0000e30000 - 0xfffffe0000f66c00 ( 1243 KB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=1 [ 0.000000] NR_IRQS:64 nr_irqs:64 0 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] Architected cp15 timer(s) running at 50.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns [ 0.000002] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.008541] Console: colour dummy device 80x25 [ 0.013235] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.024283] pid_max: default: 32768 minimum: 301 [ 0.029180] ACPI: Core revision 20150930 [ 0.040671] ACPI: 4 ACPI AML tables successfully acquired and loaded [ 0.047439] Security Framework initialized [ 0.051756] Yama: becoming mindful. [ 0.055437] SELinux: Initializing. [ 0.059198] Mount-cache hash table entries: 65536 (order: 3, 524288 bytes) [ 0.066486] Mountpoint-cache hash table entries: 65536 (order: 3, 524288 bytes) [ 0.074654] Initializing cgroup subsys io [ 0.078888] Initializing cgroup subsys memory [ 0.083485] Initializing cgroup subsys devices [ 0.088190] Initializing cgroup subsys freezer [ 0.092885] Initializing cgroup subsys net_cls [ 0.097589] Initializing cgroup subsys perf_event [ 0.102552] Initializing cgroup subsys net_prio [ 0.107366] ftrace: allocating 27761 entries in 7 pages [ 0.132043] Remapping and enabling EFI services. [ 0.136940] EFI remap 0x0000000010510000 => 0000000040000000 [ 0.143127] EFI remap 0x0000000010548000 => 0000000040018000 [ 0.149290] EFI remap 0x0000000017000000 => 0000000040020000 [ 0.155453] EFI remap 0x000000001c025000 => 0000000040035000 [ 0.161616] EFI remap 0x000000007c0c0000 => 0000000040040000 [ 0.167779] EFI remap 0x000000007c1c0000 => 0000000040050000 [ 0.173942] EFI remap 0x000000007c2c0000 => 0000000040060000 [ 0.180104] EFI remap 0x000000007c3c0000 => 0000000040070000 [ 0.186266] EFI remap 0x000000007c4c0000 => 0000000040080000 [ 0.192438] EFI remap 0x000000007c5c0000 => 0000000040090000 [ 0.198600] EFI remap 0x000000007c6c0000 => 00000000400a0000 [ 0.204781] EFI remap 0x000000007c7c0000 => 00000000400b0000 [ 0.210961] EFI remap 0x00000047fa856000 => 00000000400c6000 [ 0.217141] EFI remap 0x00000047fa86a000 => 00000000400da000 [ 0.223314] EFI remap 0x00000047ffa12000 => 00000000402c2000 [ 0.229477] EFI remap 0x00000047ffa26000 => 00000000402d6000 [ 0.235646] ASID allocator initialised with 65536 entries [ 0.241999] Brought up 1 CPUs [ 0.245123] SMP: Total of 1 processors activated. [ 0.250087] CPU: All CPU(s) started at EL2 [ 0.254729] devtmpfs: initialized [ 0.258522] SMBIOS 3.0.0 present. [ 0.262069] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.272746] atomic64_test: passed [ 0.276444] NET: Registered protocol family 16 [ 0.281343] PCCT header not found. [ 0.284973] vdso: 2 pages (1 code @ fffffe0000e50000, 1 data @ fffffe0000e40000) [ 0.292807] hw-breakpoint: found 4 breakpoint and 4 watchpoint registers. [ 0.300274] DMA: preallocated 256 KiB pool for atomic allocations [ 0.306735] ACPI: bus type PCI registered [ 0.310955] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.317819] Serial: AMBA PL011 UART driver [ 0.324731] ACPI: Added _OSI(Module Device) [ 0.329151] ACPI: Added _OSI(Processor Device) [ 0.333845] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.338825] ACPI: Added _OSI(Processor Aggregator Device) [ 0.354649] ACPI: Interpreter enabled [ 0.358516] ACPI: Using GIC for interrupt routing [ 0.366406] ACPI: Power Resource [SCVR] (off) [ 0.379267] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.385823] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.394877] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 0.403349] acpi PNP0A08:00: Bus 0000:00 not present in PCI namespace [ 0.410745] vgaarb: loaded [ 0.413725] SCSI subsystem initialized [ 0.417770] ACPI: bus type USB registered [ 0.422021] usbcore: registered new interface driver usbfs [ 0.427843] usbcore: registered new interface driver hub [ 0.433491] usbcore: registered new device driver usb [ 0.439181] NetLabel: Initializing [ 0.442753] NetLabel: domain hash size = 128 [ 0.447352] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.452606] NetLabel: unlabeled traffic allowed by default [ 0.458590] clocksource: Switched to clocksource arch_sys_counter [ 0.481347] pnp: PnP ACPI init [ 0.485318] pnp: PnP ACPI: found 0 devices [ 0.492409] NET: Registered protocol family 2 [ 0.497199] TCP established hash table entries: 262144 (order: 5, 2097152 bytes) [ 0.505681] TCP bind hash table entries: 65536 (order: 4, 1048576 bytes) [ 0.513141] TCP: Hash tables configured (established 262144 bind 65536) [ 0.520153] UDP hash table entries: 16384 (order: 3, 524288 bytes) [ 0.526945] UDP-Lite hash table entries: 16384 (order: 3, 524288 bytes) [ 0.534305] NET: Registered protocol family 1 [ 0.539050] RPC: Registered named UNIX socket transport module. [ 0.545309] RPC: Registered udp transport module. [ 0.550288] RPC: Registered tcp transport module. [ 0.555267] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.562172] Unpacking initramfs... [ 0.801177] Freeing initrd memory: 10368K (fffffe07f8bf0000 - fffffe07f9610000) [ 0.809067] kvm [1]: error: no compatible GIC node found [ 0.814743] kvm [1]: error initializing Hyp mode: -19 [ 0.820381] futex hash table entries: 256 (order: -1, 32768 bytes) [ 0.826932] audit: initializing netlink subsys (disabled) [ 0.832659] audit: type=2000 audit(0.004:1): initialized [ 0.838583] HugeTLB registered 512 MB page size, pre-allocated 0 pages [ 0.848211] zbud: loaded [ 0.851033] VFS: Disk quotas dquot_6.6.0 [ 0.855250] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes) [ 0.863482] NFS: Registering the id_resolver key type [ 0.868844] Key type id_resolver registered [ 0.873261] Key type id_legacy registered [ 0.877503] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.884797] Key type big_key registered [ 0.892586] NET: Registered protocol family 38 [ 0.897363] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.905217] io scheduler noop registered [ 0.909351] io scheduler deadline registered [ 0.913910] io scheduler cfq registered (default) [ 0.919094] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.924982] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.932276] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled