Re: [PULL 00/29] KVM/ARM Changes for v4.7

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Hi Itaru,

I'm afraid I don't know would be causing this nor do I have an easy
way to reproduce.

I suggest you try with v4.6 which was just released, and if it still
doesn't work, report it as a bug on linux-arm-kernel.

Thanks,
-Christoffer

On Sun, May 15, 2016 at 3:30 PM, Itaru Kitayama <itaru.kitayama@xxxxxxxx> wrote:
> Julien, Christoffer,
>
> Below is the boot log of linux-next.
>
>
> EFI stub: Booting Linux Kernel...
> EFI stub: Using DTB from configuration table
> EFI stub: Exiting boot services and installing virtual address map...
> L3C: 8MB
> Booting Linux on physical CPU 0x0
> Linux version 4.6.0-rc7-next-20160513 (itaru.kitayama@r2-a11) (gcc version
> 5.3.1 20160406 (Red Hat 5.3.1-6) (GCC) ) #6 SMP PREEMPT Sun May 15 08:21:01
> CDT 2016
> Boot CPU: AArch64 Processor [500f0000]
> earlycon: uart0 at MMIO32 0x000000001c020000 (options '')
> bootconsole [uart0] enabled
> efi: Getting EFI parameters from FDT:
> efi: EFI v2.40 by X-Gene Mustang Board EFI Jan 27 2016 18:27:58
> efi:  ACPI=0x43fa859000  ACPI 2.0=0x43fa859014  SMBIOS 3.0=0x43fa857000
> cma: Reserved 512 MiB at 0x00000040e0000000
> ACPI: Early table checksum verification enabled
> ACPI: RSDP 0x00000043FA859014 000024 (v02 APM   )
> ACPI: XSDT 0x00000043FA8580E8 00007C (v01 APM    XGENE    00000003 01000013)
> ACPI: FACP 0x00000043FA850000 00010C (v05 APM    XGENE    00000003 INTL
> 20140724)
> ACPI: DSDT 0x00000043FA851000 003A00 (v05 APM    APM88xxx 00000001 INTL
> 20140724)
> ACPI: DBG2 0x00000043FA855000 0000AA (v00 APMC0D XGENEDBG 00000000 INTL
> 20140724)
> ACPI: GTDT 0x00000043FA84E000 0000E0 (v02 APM    XGENE    00000001 INTL
> 20140724)
> ACPI: MCFG 0x00000043FA84D000 00003C (v01 APM    XGENE    00000002 INTL
> 20140724)
> ACPI: SPCR 0x00000043FA84C000 000050 (v02 APMC0D XGENESPC 00000000 INTL
> 20140724)
> ACPI: SSDT 0x00000043FA84B000 00002D (v02 APM    XGENE    00000001 INTL
> 20140724)
> ACPI: BERT 0x00000043FA84A000 000030 (v01 APM    XGENE    00000002 INTL
> 20140724)
> ACPI: HEST 0x00000043FA849000 0002A8 (v01 APM    XGENE    00000002 INTL
> 20140724)
> ACPI: APIC 0x00000043FA848000 0002A4 (v03 APM    XGENE    00000003 01000013)
> ACPI: SSDT 0x00000043FA847000 000063 (v02 REDHAT MACADDRS 00000001 01000013)
> ACPI: SSDT 0x00000043FA846000 000032 (v02 REDHAT UARTCLKS 00000001 01000013)
> On node 0 totalpages: 262144
>   DMA zone: 64 pages used for memmap
>   DMA zone: 0 pages reserved
>   DMA zone: 65536 pages, LIFO batch:1
>   Normal zone: 192 pages used for memmap
>   Normal zone: 196608 pages, LIFO batch:1
> psci: is not implemented in ACPI.
> percpu: Embedded 3 pages/cpu @ffff8003ffde0000 s110208 r8192 d78208 u196608
> pcpu-alloc: s110208 r8192 d78208 u196608 alloc=3*65536
> pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 [0] 7
> Detected PIPT I-cache on CPU0
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 261888
> Kernel command line: BOOT_IMAGE=/vmlinuz-4.6.0-rc7-next-20160513
> root=UUID=ac9f9264-7572-48c3-97d2-042ea95f7640 ro acpi=force
> acpi_force_table_verification earlycon=uart,mmio32,0x1c020000
> console=ttyS0,115200 loglevel=8 LANG=en_US.UTF-8
> log_buf_len individual max cpu contribution: 4096 bytes
> log_buf_len total cpu_extra contributions: 28672 bytes
> log_buf_len min size: 16384 bytes
> log_buf_len: 65536 bytes
> early log buf free: 13072(79%)
> PID hash table entries: 4096 (order: -1, 32768 bytes)
> Dentry cache hash table entries: 2097152 (order: 8, 16777216 bytes)
> Inode-cache hash table entries: 1048576 (order: 7, 8388608 bytes)
> software IO TLB [mem 0x40dbff0000-0x40dfff0000] (64MB) mapped at
> [ffff8000dbff0000-ffff8000dffeffff]
> Memory: 16070272K/16777216K available (22780K kernel code, 8781K rwdata,
> 7680K rodata, 1920K init, 16628K bss, 182656K reserved, 524288K
> cma-reserved)
> Virtual kernel memory layout:
>     modules : 0xffff000000000000 - 0xffff000008000000   (   128 MB)
>     vmalloc : 0xffff000008000000 - 0xffff7bdfffff0000   (126847 GB)
>       .text : 0xffff000008080000 - 0xffff0000096b0000   ( 22720 KB)
>     .rodata : 0xffff0000096b0000 - 0xffff000009e40000   (  7744 KB)
>       .init : 0xffff000009e40000 - 0xffff00000a020000   (  1920 KB)
>       .data : 0xffff00000a020000 - 0xffff00000a8b3600   (  8782 KB)
>        .bss : 0xffff00000a8b3600 - 0xffff00000b8f0760   ( 16629 KB)
>     fixed   : 0xffff7fdffe7d0000 - 0xffff7fdffec00000   (  4288 KB)
>     PCI I/O : 0xffff7fdffee00000 - 0xffff7fdfffe00000   (    16 MB)
>     vmemmap : 0xffff7fe000000000 - 0xffff800000000000   (   128 GB maximum)
>               0xffff7fe000000000 - 0xffff7fe001000000   (    16 MB actual)
>     memory  : 0xffff800000000000 - 0xffff800400000000   ( 16384 MB)
> SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
> Preemptible hierarchical RCU implementation.
>         Build-time adjustment of leaf fanout to 64.
> NR_IRQS:64 nr_irqs:64 0
> GIC: Using split EOI/Deactivate mode
> GICv3: No distributor detected at @ffff000008060000, giving up
> Architected cp15 timer(s) running at 50.00MHz (phys).
> clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles:
> 0xb8812736b, max_idle_ns: 440795202655 ns
> sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns
> Console: colour dummy device 80x25
> Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
> ... MAX_LOCKDEP_SUBCLASSES:  8
> ... MAX_LOCK_DEPTH:          48
> ... MAX_LOCKDEP_KEYS:        8191
> ... CLASSHASH_SIZE:          4096
> ... MAX_LOCKDEP_ENTRIES:     32768
> ... MAX_LOCKDEP_CHAINS:      65536
> ... CHAINHASH_SIZE:          32768
>  memory used by lock dependency info: 8127 kB
>  per task-struct memory footprint: 1920 bytes
> Calibrating delay loop (skipped), value calculated using timer frequency..
> 100.00 BogoMIPS (lpj=200000)
> pid_max: default: 32768 minimum: 301
> ACPI: Core revision 20160422
> Security Framework initialized
> Mount-cache hash table entries: 32768 (order: 2, 262144 bytes)
> Mountpoint-cache hash table entries: 32768 (order: 2, 262144 bytes)
> ftrace: allocating 29581 entries in 8 pages
> ASID allocator initialised with 65536 entries
> Remapping and enabling EFI services.
>   EFI remap 0x0000000010510000 => 0000000020000000
>   EFI remap 0x0000000010548000 => 0000000020018000
>   EFI remap 0x0000000017000000 => 0000000020020000
>   EFI remap 0x000000001c025000 => 0000000020035000
>   EFI remap 0x000000007c0c0000 => 0000000020040000
>   EFI remap 0x000000007c1c0000 => 0000000020050000
>   EFI remap 0x000000007c2c0000 => 0000000020060000
>   EFI remap 0x000000007c3c0000 => 0000000020070000
>   EFI remap 0x000000007c4c0000 => 0000000020080000
>   EFI remap 0x000000007c5c0000 => 0000000020090000
>   EFI remap 0x000000007c6c0000 => 00000000200a0000
>   EFI remap 0x000000007c7c0000 => 00000000200b0000
> UEFI Runtime regions are not aligned to 64 KB -- buggy firmware?
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 1 at arch/arm64/kernel/efi.c:34
> efi_create_mapping+0x1a0/0x3b8
> Modules linked in:
>
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc7-next-20160513 #6
> Hardware name: APM X-Gene Mustang board (DT)
> task: ffff8003c0340000 ti: ffff8003c0400000 task.ti: ffff8003c0400000
> PC is at efi_create_mapping+0x1a0/0x3b8
> LR is at efi_create_mapping+0x194/0x3b8
> pc : [<ffff000009e4a5a8>] lr : [<ffff000009e4a59c>] pstate: 60000245
> sp : ffff8003c0403cb0
> x29: ffff8003c0403cb0 x28: ffff00000a390000
> x27: ffff8003f9a77468 x26: 0000000000003000
> x25: 800000000000000f x24: ffff00000a2de390
> x23: 0000000000000005 x22: 0000000000000001
> x21: ffff00000a41d000 x20: ffff00000a8fc000
> x19: ffff00000a8fc198 x18: ffff0000097fe000
> x17: 0000000000000001 x16: 0000000000000000
> x15: 0000000000000056 x14: 3f657261776d7269
> x13: ffff00000a464f28 x12: ffff00000a465b30
> x11: 0000000000000001 x10: ffff8003c0400000
> x9 : 00000000000085f1 x8 : 0000000000000003
> x7 : 0000000000000000 x6 : ffff00000a042000
> x5 : ffff00000b3b4c58 x4 : 00000000001c115c
> x3 : ffff8003c0340000 x2 : 0000000000000132
> x1 : 0000000000000099 x0 : 0000000000000001
>
> ---[ end trace a2cb2e24ff35d5f8 ]---
> Call trace:
> Exception stack(0xffff8003c0403ac0 to 0xffff8003c0403be0)
> 3ac0: ffff00000a8fc198 ffff00000a8fc000 ffff8003c0403cb0 ffff000009e4a5a8
> 3ae0: 0000000060000245 000000000000003d 800000000000000f 0000000000003000
> 3b00: ffff8003f9a77468 0000000000000001 0000000000000005 ffff00000a2de390
> 3b20: 800000000000000f 0000000000003000 ffff8003f9a77468 ffff00000a390000
> 3b40: ffff00000a465ab8 0000000000000000 ffff8003c0403bd0 ffff000009cdcf70
> 3b60: 000000000b3071a8 0000000000000000 ffff000000000000 00000000ffffffff
> 3b80: ffff8003c0403cb0 ffff8003c0403cb0 0000000000000001 0000000000000099
> 3ba0: 0000000000000132 ffff8003c0340000 00000000001c115c ffff00000b3b4c58
> 3bc0: ffff00000a042000 0000000000000000 0000000000000003 00000000000085f1
> [<ffff000009e4a5a8>] efi_create_mapping+0x1a0/0x3b8
> [<ffff000009ee82b0>] arm_enable_runtime_services+0x26c/0x57c
> [<ffff00000808366c>] do_one_initcall+0xac/0x360
> [<ffff000009e41d10>] kernel_init_freeable+0xd4/0x4a8
> [<ffff0000096772bc>] kernel_init+0x3c/0x368
> [<ffff000008088e10>] ret_from_fork+0x10/0x40
>   EFI remap 0x00000043fa813000 => 00000000200c3000
>   EFI remap 0x00000043fa85a000 => 00000000200da000
>   EFI remap 0x00000043ffa02000 => 00000000202c2000
>   EFI remap 0x00000043ffa16000 => 00000000202d6000
> Detected PIPT I-cache on CPU1
> CPU1: Booted secondary processor [500f0000]
> Detected PIPT I-cache on CPU2
> CPU2: Booted secondary processor [500f0000]
> Detected PIPT I-cache on CPU3
> CPU3: Booted secondary processor [500f0000]
> Detected PIPT I-cache on CPU4
> CPU4: Booted secondary processor [500f0000]
> Detected PIPT I-cache on CPU5
> CPU5: Booted secondary processor [500f0000]
> Detected PIPT I-cache on CPU6
> CPU6: Booted secondary processor [500f0000]
> Detected PIPT I-cache on CPU7
> CPU7: Booted secondary processor [500f0000]
> Brought up 8 CPUs
> SMP: Total of 8 processors activated.
> CPU features: detected feature: 32-bit EL0 Support
> CPU: All CPU(s) started at EL2
> devtmpfs: initialized
> gcov: version magic: 0x35303352
> SMBIOS 3.0.0 present.
> clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:
> 7645041785100000 ns
> pinctrl core: initialized pinctrl subsystem
> NET: Registered protocol family 16
> PCCT header not found.
> vdso: 2 pages (1 code @ ffff0000096d0000, 1 data @ ffff00000a030000)
> hw-breakpoint: found 4 breakpoint and 4 watchpoint registers.
> DMA: preallocated 256 KiB pool for atomic allocations
> ACPI: bus type PCI registered
> Serial: AMBA PL011 UART driver
> HugeTLB registered 512 MB page size, pre-allocated 0 pages
> ACPI: Added _OSI(Module Device)
> ACPI: Added _OSI(Processor Device)
> ACPI: Added _OSI(3.0 _SCP Extensions)
> ACPI: Added _OSI(Processor Aggregator Device)
> ACPI: 4 ACPI AML tables successfully acquired and loaded
>
> ACPI: Interpreter enabled
> ACPI: Using GIC for interrupt routing
> ACPI: Power Resource [SCVR] (off)
> ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
> acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments
> MSI]
> acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability]
> acpi PNP0A08:00: Bus 0000:00 not present in PCI namespace
> vgaarb: loaded
> SCSI subsystem initialized
> libata version 3.00 loaded.
> ACPI: bus type USB registered
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> pps_core: LinuxPPS API ver. 1 registered
> pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
> <giometti@xxxxxxxx>
> PTP clock support registered
> Advanced Linux Sound Architecture Driver Initialized.
> clocksource: Switched to clocksource arch_sys_counter
> Warning: could not register all branches stats
> Warning: could not register annotated branches stats
> VFS: Disk quotas dquot_6.6.0
> VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes)
> pnp: PnP ACPI init
> pnp: PnP ACPI: found 0 devices
> NET: Registered protocol family 2
> TCP established hash table entries: 131072 (order: 4, 1048576 bytes)
> TCP bind hash table entries: 65536 (order: 6, 4194304 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> UDP hash table entries: 8192 (order: 4, 1310720 bytes)
> UDP-Lite hash table entries: 8192 (order: 4, 1310720 bytes)
> NET: Registered protocol family 1
> RPC: Registered named UNIX socket transport module.
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RPC: Registered tcp NFSv4.1 backchannel transport module.
> PCI: CLS 0 bytes, default 128
> Unpacking initramfs...
> Freeing initrd memory: 10432K (ffff8003f9a80000 - ffff8003fa4b0000)
> kvm [1]: 8-bit VMID
> kvm [1]: Hyp mode initialized successfully
> INFO: rcu_preempt detected stalls on CPUs/tasks:
>         0-...: (113 GPs behind) idle=1f9/1/0 softirq=86/86 fqs=0
>         2-...: (107 GPs behind) idle=559/1/0 softirq=120/120 fqs=0
>         4-...: (107 GPs behind) idle=33b/1/0 softirq=106/106 fqs=0
>         5-...: (108 GPs behind) idle=333/1/0 softirq=130/130 fqs=0
>         6-...: (105 GPs behind) idle=2f7/1/0 softirq=120/120 fqs=0
>         7-...: (105 GPs behind) idle=327/1/0 softirq=131/131 fqs=0
>         (detected by 1, t=5252 jiffies, g=-135, c=-136, q=8)
> Task dump for CPU 0:
> swapper/0       R  running task        0     0      0 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<ffff00000a6276b8>] ______f.8076+0x10/0x28
> Task dump for CPU 2:
> swapper/2       R  running task        0     0      1 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<000000000006a42a>] 0x6a42a
> Task dump for CPU 4:
> swapper/4       R  running task        0     0      1 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<0000000000048555>] 0x48555
> Task dump for CPU 5:
> swapper/5       R  running task        0     0      1 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<0000000000048554>] 0x48554
> Task dump for CPU 6:
> swapper/6       R  running task        0     0      1 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<000000000004855b>] 0x4855b
> Task dump for CPU 7:
> swapper/7       R  running task        0     0      1 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<000000000004855a>] 0x4855a
> rcu_preempt kthread starved for 5252 jiffies! g18446744073709551481
> c18446744073709551480 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
> rcu_preempt     S ffff00000808ba20     0     7      2 0x00000000
> Call trace:
> [<ffff00000808ba20>] __switch_to+0x1c8/0x240
> [<ffff00000967cfa8>] __schedule+0xb68/0x2558
> [<ffff00000967f57c>] schedule+0xc4/0x230
> [<ffff00000968d130>] schedule_timeout+0x430/0x858
> [<ffff00000825dd50>] rcu_gp_kthread+0x1138/0x1ed0
> [<ffff000008190744>] kthread+0x1cc/0x1e0
> [<ffff000008088e10>] ret_from_fork+0x10/0x40
> NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [swapper/0:1]
> Modules linked in:
>
> CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W 4.6.0-rc7-next-20160513 #6
> Hardware name: AppliedMicro Mustang/Mustang, BIOS 3.05.05-beta_rc Jan 27
> 2016
> task: ffff8003c0340000 ti: ffff8003c0400000 task.ti: ffff8003c0400000
> PC is at smp_call_function_many+0x780/0x7b0
> LR is at smp_call_function_many+0x73c/0x7b0
> pc : [<ffff0000082b6390>] lr : [<ffff0000082b634c>] pstate: 80000045
> sp : ffff8003c0403b50
> x29: ffff8003c0403b50 x28: ffff00000a482540
> x27: ffff00000a482550 x26: ffff000009ffa000
> x25: ffff00000b34e7c0 x24: ffff00000a041dd0
> x23: ffff00000b34e7c0 x22: ffff8003ffe2aa08
> x21: ffff00000b34e7c0 x20: ffff8003ffe2aa00
> x19: ffff00000b34e240 x18: 0000000005f5e0ff
> x17: 0000000000000000 x16: 0000000000000000
> x15: 00000000000000c4 x14: ffff8003fff79500
> x13: ffff00000a464f28 x12: ffff00000b59cd10
> x11: 0000000000000000 x10: ffff00000a62eef8
> x9 : ffff00000b59ccd0 x8 : ffff8003c0400000
> x7 : 0000000000000000 x6 : ffff00000b59ccd0
> x5 : ffffffffffffffff x4 : 0000000000000000
> x3 : ffff8003ffdfdc18 x2 : 0000000000000000
> x1 : ffff00000a043548 x0 : 0000000000000003
>
> Kernel panic - not syncing: softlockup: hung tasks
> CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W    L
> 4.6.0-rc7-next-20160513 #6
> Hardware name: AppliedMicro Mustang/Mustang, BIOS 3.05.05-beta_rc Jan 27
> 2016
> Call trace:
> [<ffff000008095bb0>] dump_backtrace+0x0/0x4b0
> [<ffff00000809609c>] show_stack+0x3c/0x60
> [<ffff000008a8f05c>] dump_stack+0x1dc/0x2c8
> [<ffff0000083fd494>] panic+0x264/0x5fc
> [<ffff00000831b914>] watchdog_timer_fn+0x804/0x840
> [<ffff000008274044>] __hrtimer_run_queues+0x4b4/0xf50
> [<ffff000008276864>] hrtimer_interrupt+0x174/0x478
> [<ffff000009289e94>] arch_timer_handler_phys+0xac/0xc8
> [<ffff00000823e4c4>] handle_percpu_devid_irq+0x214/0x8b0
> [<ffff00000822f6a4>] generic_handle_irq+0x8c/0xb0
> [<ffff00000822ff20>] __handle_domain_irq+0x178/0x288
> [<ffff000008081e40>] gic_handle_irq+0x1e8/0x270
> Exception stack(0xffff8003ffe13fa0 to 0xffff8003ffe140c0)
> 3fa0: ffff8003c0403a30 ffff8003ffe2aa00 ffff8003c0403b50 ffff0000082b6390
> 3fc0: 0000000080000045 ffff00000a041dd0 ffff8003ffe10020 ffff8003ffe14010
> 3fe0: ffff00000a482550 ffff8003c0400000 ffff00000800f000 ffff8003c0403a30
> 4000: ffff8003c0403b50 ffff8003c0403a30 0000000000000000 0000000000000000
> 4020: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 4040: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 4060: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 4080: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 40a0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [<ffff000008088724>] el1_irq+0xa4/0x114
> [<ffff0000082b6390>] smp_call_function_many+0x780/0x7b0
> [<ffff0000082b6714>] smp_call_function+0x7c/0x1c8
> [<ffff0000082b693c>] on_each_cpu+0x74/0x280
> [<ffff0000080e9528>] kvm_arch_init+0x8c0/0xe60
> [<ffff0000080ccb60>] kvm_init+0x58/0x740
> [<ffff0000080e3e48>] arm_init+0x40/0x58
> [<ffff00000808366c>] do_one_initcall+0xac/0x360
> [<ffff000009e41ee8>] kernel_init_freeable+0x2ac/0x4a8
> [<ffff0000096772bc>] kernel_init+0x3c/0x368
> [<ffff000008088e10>] ret_from_fork+0x10/0x40
> SMP: stopping secondary CPUs
> SMP: failed to stop secondary CPUs 0-7
> Kernel Offset: disabled
> Memory Limit: none
> ---[ end Kernel panic - not syncing: softlockup: hung tasks
>
>
> On 5/15/16 8:42 PM, Julien Grall wrote:
>>
>> Hello,
>>
>> On 15/05/2016 12:19, Christoffer Dall wrote:
>>>
>>> On Sunday, May 15, 2016, Itaru Kitayama <itaru.kitayama@xxxxxxxx
>>> <mailto:itaru.kitayama@xxxxxxxx>> wrote:
>>>>
>>>>
>>>> Below is the boot (with UEFI) log. I'm attaching the .config I'm using.
>>>> I've been trying to test Julien's ACPI support patch set recently
>>>
>>> merged in the kvmarm tree on Mustang.
>>>
>>>
>>> I don't run anything with ACPI, so haven't tested that particular aspect.
>>>
>>> This doesn't immediately look like it's related to the kvmarm patches.
>>>
>>> Perhaps you could try with Linux-next as well to see if this was already
>>> fixed?
>>>
>>> Julien, did you test mustang with your ACPI patches?
>>
>>
>> No, the patch has been tested on Juno-r2 and Seattle.
>>
>> However, the logs looks very similar to a bug that Steve Capper was
>> hunting in Linux 4.6.0-rc3. I believe this has been fixed in a later RC.
>>
>> kvm-arm-for-4.7 seems to be based on Linux 4.6-rc1 so I would recommend
>> you to try Linux-next.
>>
>> Regards,
>>
>
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