Hello, I have a similar issue on real hardware (cc Philippe). Can you try booting with notscdeadline?
Norbert > -----Original Message----- > From: Xenomai <xenomai-boun...@xenomai.org> On Behalf Of Richard > Weinberger via Xenomai > Sent: Mittwoch, 6. März 2019 11:17 > To: xenomai@xenomai.org; henning.sch...@siemens.com > Subject: x86_64 kernel does not start under qemu > > E-MAIL FROM A NON-ANDRITZ SOURCE: AS A SECURITY MEASURE, PLEASE > EXERCISE CAUTION WITH E-MAIL CONTENT AND ANY LINKS OR > ATTACHMENTS. > > > Hi! > > When I try to run ipipe-core-4.14.89-x86-2.patch under qemu, the kernel > does not start. > I does always start when only one core is used. > It starts 9 out of 10 times when I enable KVM. > > The kernel seems to wait forever for an IPI in ipipe_critical_enter(). > Please find the gdb backtraces and full dmesg below. > > qemu command line is: > qemu-system-x86_64 -hda disk.ext4 -nographic -kernel bzImage -append > "root=/dev/sda panic=1 rw console=ttyS0 init=/bin/bash" -no-reboot -usb - > m 2G -s -smp 2 > > (gdb) thread apply all bt > > Thread 2 (Thread 2): > #0 __ipipe_halt_root (use_mwait=0) at arch/x86/kernel/ipipe.c:317 > #1 0xffffffff819be70d in arch_safe_halt () at > ./arch/x86/include/asm/irqflags.h:120 > #2 default_idle () at arch/x86/kernel/process.c:572 > #3 0xffffffff81024500 in arch_cpu_idle () at arch/x86/kernel/process.c:563 > #4 0xffffffff819beb82 in default_idle_call () at kernel/sched/idle.c:103 > #5 0xffffffff81097e1b in cpuidle_idle_call () at kernel/sched/idle.c:163 > #6 do_idle () at kernel/sched/idle.c:262 > #7 0xffffffff81097fd8 in cpu_startup_entry > (state=CPUHP_AP_ONLINE_IDLE) at kernel/sched/idle.c:371 > #8 0xffffffff8103cf10 in start_secondary (unused=<optimized out>) at > arch/x86/kernel/smpboot.c:272 > #9 0xffffffff810000d5 in secondary_startup_64 () at > arch/x86/kernel/head_64.S:240 > #10 0x0000000000000000 in ?? () > > Thread 1 (Thread 1): > #0 ipipe_critical_enter (syncfn=0x0 <irq_stack_union>) at > kernel/ipipe/core.c:1701 > #1 0xffffffff81102867 in ipipe_set_hooks (ipd=0xffffffff8257af80 > <ipipe_root>, enables=5) at kernel/ipipe/core.c:959 > #2 0xffffffff823d1daa in cobalt_init () at > kernel/xenomai/posix/process.c:1546 > #3 0xffffffff823d08ba in xenomai_init () at kernel/xenomai/init.c:385 > #4 0xffffffff8100049e in do_one_initcall (fn=0xffffffff823d0506 > <xenomai_init>) at init/main.c:833 > #5 0xffffffff823abffa in do_initcall_level (level=<optimized out>) at > init/main.c:899 > #6 do_initcalls () at init/main.c:907 > #7 do_basic_setup () at init/main.c:926 > #8 kernel_init_freeable () at init/main.c:1081 > #9 0xffffffff819b8939 in kernel_init (unused=<optimized out>) at > init/main.c:1008 > #10 0xffffffff81a001e6 in ret_from_fork () at arch/x86/entry/entry_64.S:405 > #11 0x0000000000000000 in ?? () > > > [ 0.000000] Linux version 4.14.89+ (rw@spankyham) (gcc version > 7.3.1 20180323 [gcc-7-branch revision 258812] (SUSE Linux)) #83 SMP Tue Mar > 5 15:12:14 CET 2019 > [ 0.000000] Command line: root=/dev/sda panic=1 rw console=ttyS0 > init=/bin/bash > [ 0.000000] x86/fpu: x87 FPU will use FXSAVE > [ 0.000000] e820: BIOS-provided physical RAM map: > [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] > usable > [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] > reserved > [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] > reserved > [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdffff] > usable > [ 0.000000] BIOS-e820: [mem 0x000000007ffe0000-0x000000007fffffff] > reserved > [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] > reserved > [ 0.000000] NX (Execute Disable) protection: active > [ 0.000000] SMBIOS 2.8 present. > [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS > rel-1.11.0-0-g63451fc-prebuilt.qemu-project.org 04/01/2014 > [ 0.000000] tsc: Fast TSC calibration using PIT > [ 0.000000] e820: last_pfn = 0x7ffe0 max_arch_pfn = 0x400000000 > [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT > [ 0.000000] found SMP MP-table at [mem 0x000f5d40-0x000f5d4f] > mapped at [ffffffffff200d40] > [ 0.000000] Scanning 1 areas for low memory corruption > [ 0.000000] ACPI: Early table checksum verification disabled > [ 0.000000] ACPI: RSDP 0x00000000000F5B00 000014 (v00 BOCHS ) > [ 0.000000] ACPI: RSDT 0x000000007FFE1656 000030 (v01 BOCHS > BXPCRSDT 00000001 BXPC 00000001) > [ 0.000000] ACPI: FACP 0x000000007FFE14AA 000074 (v01 BOCHS > BXPCFACP 00000001 BXPC 00000001) > [ 0.000000] ACPI: DSDT 0x000000007FFE0040 00146A (v01 BOCHS > BXPCDSDT 00000001 BXPC 00000001) > [ 0.000000] ACPI: FACS 0x000000007FFE0000 000040 > [ 0.000000] ACPI: APIC 0x000000007FFE159E 000080 (v01 BOCHS > BXPCAPIC 00000001 BXPC 00000001) > [ 0.000000] ACPI: HPET 0x000000007FFE161E 000038 (v01 BOCHS > BXPCHPET 00000001 BXPC 00000001) > [ 0.000000] No NUMA configuration found > [ 0.000000] Faking a node at [mem 0x0000000000000000- > 0x000000007ffdffff] > [ 0.000000] NODE_DATA(0) allocated [mem 0x7ffdc000-0x7ffdffff] > [ 0.000000] Zone ranges: > [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] > [ 0.000000] DMA32 [mem 0x0000000001000000-0x000000007ffdffff] > [ 0.000000] Normal empty > [ 0.000000] Movable zone start for each node > [ 0.000000] Early memory node ranges > [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] > [ 0.000000] node 0: [mem 0x0000000000100000-0x000000007ffdffff] > [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000- > 0x000000007ffdffff] > [ 0.000000] ACPI: PM-Timer IO Port: 0x608 > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) > [ 0.000000] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) > [ 0.000000] Using ACPI (MADT) for SMP configuration information > [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 > [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs > [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] > [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] > [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] > [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] > [ 0.000000] e820: [mem 0x80000000-0xfffbffff] available for PCI devices > [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff > max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns > [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 > nr_cpu_ids:2 nr_node_ids:1 > [ 0.000000] percpu: Embedded 63 pages/cpu @ffff88807fc00000 s220824 > r8192 d29032 u1048576 > [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 515945 > [ 0.000000] Policy zone: DMA32 > [ 0.000000] Kernel command line: root=/dev/sda panic=1 rw > console=ttyS0 init=/bin/bash > [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) > [ 0.000000] Memory: 2040080K/2096632K available (12300K kernel > code, 1399K rwdata, 3100K rodata, 1376K init, 1720K bss, 56552K reserved, 0K > cma-reserved) > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 > [ 0.000000] Hierarchical RCU implementation. > [ 0.000000] RCU event tracing is enabled. > [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. > [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 > [ 0.000000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 > [ 0.000000] Interrupt pipeline (release #2) > [ 0.000000] Console: colour VGA+ 80x25 > [ 0.000000] console [ttyS0] enabled > [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: > 0xffffffff, max_idle_ns: 19112604467 ns > [ 0.002000] tsc: Fast TSC calibration using PIT > [ 0.004000] tsc: Detected 3400.235 MHz processor > [ 0.005560] tsc: Marking TSC unstable due to TSCs unsynchronized > [ 0.006112] Calibrating delay loop (skipped), value calculated > using timer frequency.. 6800.47 BogoMIPS (lpj=3400235) > [ 0.006545] pid_max: default: 32768 minimum: 301 > [ 0.007114] ACPI: Core revision 20170728 > [ 0.029789] ACPI: 1 ACPI AML tables successfully acquired and loaded > [ 0.030560] Security Framework initialized > [ 0.030822] SELinux: Initializing. > [ 0.033431] Dentry cache hash table entries: 262144 (order: 9, 2097152 > bytes) > [ 0.034439] Inode-cache hash table entries: 131072 (order: 8, 1048576 > bytes) > [ 0.034817] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) > [ 0.035070] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 > bytes) > [ 0.047021] mce: CPU supports 10 MCE banks > [ 0.048070] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 > [ 0.048295] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 > [ 0.048594] Spectre V2 : Spectre mitigation: LFENCE not > serializing, switching to generic retpoline > [ 0.048889] Spectre V2 : Mitigation: Full generic retpoline > [ 0.049042] Spectre V2 : Spectre v2 / SpectreRSB mitigation: > Filling RSB on context switch > [ 0.049387] Speculative Store Bypass: Vulnerable > [ 0.053380] Freeing SMP alternatives memory: 40K > [ 0.063725] smpboot: Max logical packages: 2 > [ 0.068000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 > [ 0.078000] smpboot: CPU0: AMD QEMU Virtual CPU version 2.5+ > (family: 0x6, model: 0x6, stepping: 0x3) > [ 0.081842] Performance Events: PMU not available due to > virtualization, using software events only. > [ 0.083781] Hierarchical SRCU implementation. > [ 0.087309] Huh? What family is it: 0x6?! > [ 0.088475] smp: Bringing up secondary CPUs ... > [ 0.091222] x86: Booting SMP configuration: > [ 0.091426] .... node #0, CPUs: #1 > [ 0.169296] smp: Brought up 1 node, 2 CPUs > [ 0.169803] smpboot: Total of 2 processors activated (20816.53 BogoMIPS) > [ 0.187048] devtmpfs: initialized > [ 0.192898] random: get_random_u32 called from > bucket_table_alloc+0x192/0x240 with crng_init=0 > [ 0.198127] clocksource: jiffies: mask: 0xffffffff max_cycles: > 0xffffffff, max_idle_ns: 1911260446275000 ns > [ 0.199072] futex hash table entries: 512 (order: 3, 32768 bytes) > [ 0.202307] RTC time: 10:05:18, date: 03/06/19 > [ 0.209263] NET: Registered protocol family 16 > [ 0.209174] kworker/u4:0 (20) used greatest stack depth: 14728 bytes left > [ 0.223854] cpuidle: using governor menu > [ 0.225253] ACPI: bus type PCI registered > [ 0.228395] PCI: Using configuration type 1 for base access > [ 0.233131] mtrr: your CPUs had inconsistent fixed MTRR settings > [ 0.233342] mtrr: your CPUs had inconsistent variable MTRR settings > [ 0.233684] mtrr: your CPUs had inconsistent MTRRdefType settings > [ 0.233888] mtrr: probably your BIOS does not setup all CPUs. > [ 0.234055] mtrr: corrected configuration. > [ 0.240514] kworker/u4:1 (47) used greatest stack depth: 14168 bytes left > [ 0.412485] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages > [ 0.417223] ACPI: Added _OSI(Module Device) > [ 0.417415] ACPI: Added _OSI(Processor Device) > [ 0.417762] ACPI: Added _OSI(3.0 _SCP Extensions) > [ 0.418042] ACPI: Added _OSI(Processor Aggregator Device) > [ 0.439713] ACPI: Interpreter enabled > [ 0.440749] ACPI: (supports S0 S3 S4 S5) > [ 0.440953] ACPI: Using IOAPIC for interrupt routing > [ 0.442090] PCI: Using host bridge windows from ACPI; if necessary, > use "pci=nocrs" and report a bug > [ 0.444642] ACPI: Enabled 2 GPEs in block 00 to 0F > [ 0.485438] kworker/u4:1 (481) used greatest stack depth: 14112 bytes left > [ 0.516653] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) > [ 0.517512] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments > MSI] > [ 0.518218] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling > ASPM > [ 0.519101] acpi PNP0A03:00: fail to add MMCONFIG information, > can't access extended PCI configuration space under this bridge. > [ 0.521503] PCI host bridge to bus 0000:00 > [ 0.522159] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] > [ 0.522394] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] > [ 0.522726] pci_bus 0000:00: root bus resource [mem > 0x000a0000-0x000bffff window] > [ 0.523029] pci_bus 0000:00: root bus resource [mem > 0x80000000-0xfebfffff window] > [ 0.523265] pci_bus 0000:00: root bus resource [mem > 0x100000000-0x17fffffff window] > [ 0.523678] pci_bus 0000:00: root bus resource [bus 00-ff] > [ 0.535700] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io > 0x01f0-0x01f7] > [ 0.536064] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] > [ 0.536286] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io > 0x0170-0x0177] > [ 0.536570] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] > [ 0.545450] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by > PIIX4 ACPI > [ 0.545927] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 > SMB > [ 0.572834] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) > [ 0.574292] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) > [ 0.575434] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) > [ 0.576666] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) > [ 0.577324] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) > [ 0.585383] pci 0000:00:02.0: vgaarb: setting as boot VGA device > [ 0.586000] pci 0000:00:02.0: vgaarb: VGA device added: > decodes=io+mem,owns=io+mem,locks=none > [ 0.586406] pci 0000:00:02.0: vgaarb: bridge control possible > [ 0.587048] vgaarb: loaded > [ 0.589194] SCSI subsystem initialized > [ 0.592269] ACPI: bus type USB registered > [ 0.594147] usbcore: registered new interface driver usbfs > [ 0.595135] usbcore: registered new interface driver hub > [ 0.596451] usbcore: registered new device driver usb > [ 0.598295] pps_core: LinuxPPS API ver. 1 registered > [ 0.598469] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 > Rodolfo Giometti <giome...@linux.it> > [ 0.599107] PTP clock support registered > [ 0.601400] EDAC MC: Ver: 3.0.0 > [ 0.606055] Advanced Linux Sound Architecture Driver Initialized. > [ 0.607086] PCI: Using ACPI for IRQ routing > [ 0.619022] NetLabel: Initializing > [ 0.619043] NetLabel: domain hash size = 128 > [ 0.619185] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO > [ 0.620321] NetLabel: unlabeled traffic allowed by default > [ 0.622555] HPET: 3 timers in total, 0 timers will be used for per-cpu > timer > [ 0.623242] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 > [ 0.623584] hpet0: 3 comparators, 64-bit 100.000000 MHz counter > [ 0.630550] clocksource: Switched to clocksource hpet > [ 0.776657] VFS: Disk quotas dquot_6.6.0 > [ 0.777151] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) > [ 0.779679] pnp: PnP ACPI init > [ 0.791696] pnp: PnP ACPI: found 6 devices > [ 0.864651] clocksource: acpi_pm: mask: 0xffffff max_cycles: > 0xffffff, max_idle_ns: 2085701024 ns > [ 0.866741] NET: Registered protocol family 2 > [ 0.872227] TCP established hash table entries: 16384 (order: 5, > 131072 bytes) > [ 0.872758] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) > [ 0.873357] TCP: Hash tables configured (established 16384 bind 16384) > [ 0.874511] UDP hash table entries: 1024 (order: 3, 32768 bytes) > [ 0.874888] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) > [ 0.876770] NET: Registered protocol family 1 > [ 0.880228] RPC: Registered named UNIX socket transport module. > [ 0.880436] RPC: Registered udp transport module. > [ 0.880589] RPC: Registered tcp transport module. > [ 0.880733] RPC: Registered tcp NFSv4.1 backchannel transport module. > [ 0.881009] pci 0000:00:00.0: Limiting direct PCI/PCI transfers > [ 0.881472] pci 0000:00:01.0: PIIX3: Enabling Passive Release > [ 0.881748] pci 0000:00:01.0: Activating ISA DMA hang workarounds > [ 1.192379] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 > [ 1.499771] pci 0000:00:02.0: Video device with shadowed ROM at > [mem 0x000c0000-0x000dffff] > [ 1.504449] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: > 0x31032d032e2, max_idle_ns: 440795335962 ns > [ 1.511612] Scanning for low memory corruption every 60 seconds > [ 1.521389] audit: initializing netlink subsys (disabled) > [ 1.524350] audit: type=2000 audit(1551866718.522:1): > state=initialized audit_enabled=0 res=1 > [ 1.527921] [Xenomai] scheduling class idle registered. > [ 1.528574] [Xenomai] scheduling class rt registered. > [ 1.530800] I-pipe: head domain Xenomai registered. > > -- > Thanks, > //richard ________________________________ This message and any attachments are solely for the use of the intended recipients. 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