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Bruce Fields" To: Chengming Zhou Cc: Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: failure to boot after dc6e0818bc9a "sched/cpuacct: Optimize away RCU read lock" Message-ID: <20220316174928.GB16511@fieldses.org> References: <20220316174324.GA16511@fieldses.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220316174324.GA16511@fieldses.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 16, 2022 at 01:43:24PM -0400, bfields wrote: > One of my test VMs has been failing to boot linux-next recently. I > finally got around to a bisect this morning, and it landed on the below. > > What other information would be useful to debug this? Oh, also, I should have noticed the RCU warnings on the console: ============================= WARNING: suspicious RCU usage 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Not tainted ----------------------------- include/linux/cgroup.h:494 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 2 locks held by swapper/0/1: #0: ffffffff850bed60 (console_lock){+.+.}-{0:0}, at: _printk+0x96/0xb2 #1: ffff88806d4377d8 (&rq->__lock){-...}-{2:2}, at: scheduler_tick+0xa0/0x790 stack backtrace: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 Call Trace: dump_stack_lvl+0x45/0x59 cpuacct_charge+0x248/0x300 update_curr+0x338/0x870 ? lock_is_held_type+0xd7/0x130 task_tick_fair+0x77/0x810 ? lock_is_held_type+0xd7/0x130 scheduler_tick+0x210/0x790 ? irq_work_single+0x16a/0x230 update_process_times+0x119/0x170 tick_periodic+0x56/0x1e0 tick_handle_periodic+0x3b/0xa0 __sysvec_apic_timer_interrupt+0x188/0x5a0 sysvec_apic_timer_interrupt+0x89/0xc0 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:console_unlock+0x681/0x850 Code: 08 e9 aa fc ff ff 48 c7 c6 0d a3 2c 81 48 c7 c7 60 e9 d3 84 e8 90 cb fe ff e8 9b 26 00 00 48 83 7c 24 10 00 0f 85 64 01 00 00 <8b> 54 24 30 85 d2 0f 84 d2 fa ff ff 31 d2 be a0 0a 00 00 48 c7 c7 RSP: 0000:ffff88800775fc88 EFLAGS: 00000202 RAX: 0000000000000119 RBX: ffff88800775fce0 RCX: 1ffffffff0d0d232 RDX: 0000000000000000 RSI: ffffffff8426aa20 RDI: ffffffff844e4c60 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff86868ba7 R10: fffffbfff0d0d174 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff854cb968 R14: 0000000000000000 R15: dffffc0000000000 ? console_unlock+0x7ea/0x850 ? devkmsg_read+0x640/0x640 ? lock_acquire+0x1b6/0x4b0 ? _printk+0x96/0xb2 vprintk_emit+0xf0/0x2c0 _printk+0x96/0xb2 ? pm_suspend.cold+0x4dd/0x4dd ? cblist_init_generic+0x3af/0x530 rcu_init_tasks_generic+0x71/0x15e kernel_init_freeable+0x17c/0x3e0 ? rest_init+0x2d0/0x2d0 kernel_init+0x19/0x140 ret_from_fork+0x22/0x30 Full console output follows. --b. Linux version 5.17.0-rc5-00050-gdc6e0818bc9a (bfields@patate.fieldses.org) (gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9), GNU ld version 2.37-10.fc35) #2134 SMP PREEMPT Wed Mar 16 12:55:40 EDT 2022 Command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-5.17.0-rc5-00050-gdc6e0818bc9a root=/dev/mapper/fedora-root ro resume=/dev/mapper/fedora-swap rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap console=ttyS0,38400n8 consoleblank=0 x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. signal: max sigframe size: 1776 BIOS-provided physical RAM map: BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x000000007ffd7fff] usable BIOS-e820: [mem 0x000000007ffd8000-0x000000007fffffff] reserved BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved NX (Execute Disable) protection: active SMBIOS 2.8 present. DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 tsc: Fast TSC calibration using PIT tsc: Detected 3591.671 MHz processor last_pfn = 0x7ffd8 max_arch_pfn = 0x400000000 x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT found SMP MP-table at [mem 0x000f5a80-0x000f5a8f] RAMDISK: [mem 0x346ce000-0x3635efff] ACPI: Early table checksum verification disabled ACPI: RSDP 0x00000000000F57F0 000014 (v00 BOCHS ) ACPI: RSDT 0x000000007FFE1902 000030 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: FACP 0x000000007FFE17D6 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: DSDT 0x000000007FFE0040 001796 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: FACS 0x000000007FFE0000 000040 ACPI: APIC 0x000000007FFE184A 000090 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: WAET 0x000000007FFE18DA 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: Reserving FACP table memory at [mem 0x7ffe17d6-0x7ffe1849] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe17d5] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f] ACPI: Reserving APIC table memory at [mem 0x7ffe184a-0x7ffe18d9] ACPI: Reserving WAET table memory at [mem 0x7ffe18da-0x7ffe1901] Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] DMA32 [mem 0x0000000001000000-0x000000007ffd7fff] Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x000000000009efff] node 0: [mem 0x0000000000100000-0x000000007ffd7fff] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffd7fff] On node 0, zone DMA: 1 pages in unavailable ranges On node 0, zone DMA: 97 pages in unavailable ranges On node 0, zone DMA32: 40 pages in unavailable ranges kasan: KernelAddressSanitizer initialized ACPI: PM-Timer IO Port: 0x608 ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) ACPI: Using ACPI (MADT) for SMP configuration information TSC deadline timer available smpboot: Allowing 4 CPUs, 0 hotplug CPUs [mem 0x80000000-0xfeffbfff] available for PCI devices clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:4 nr_node_ids:1 percpu: Embedded 66 pages/cpu s232272 r8192 d29872 u524288 Built 1 zonelists, mobility grouping on. Total pages: 516824 Kernel command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-5.17.0-rc5-00050-gdc6e0818bc9a root=/dev/mapper/fedora-root ro resume=/dev/mapper/fedora-swap rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap console=ttyS0,38400n8 consoleblank=0 Unknown kernel command line parameters "BOOT_IMAGE=(hd0,msdos1)/vmlinuz-5.17.0-rc5-00050-gdc6e0818bc9a resume=/dev/mapper/fedora-swap", will be passed to user space. Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) mem auto-init: stack:off, heap alloc:off, heap free:off Stack Depot allocating hash table with memblock_alloc Memory: 1652304K/2096600K available (49169K kernel code, 11732K rwdata, 9356K rodata, 2088K init, 15176K bss, 444040K reserved, 0K cma-reserved) Kernel/User page tables isolation: enabled ftrace: allocating 48495 entries in 190 pages ftrace: allocated 190 pages with 6 groups Dynamic Preempt: full Running RCU self tests rcu: Preemptible hierarchical RCU implementation. rcu: RCU lockdep checking is enabled. rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4. Trampoline variant of Tasks RCU enabled. Rude variant of Tasks RCU enabled. Tracing variant of Tasks RCU enabled. rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 NR_IRQS: 4352, nr_irqs: 72, preallocated irqs: 16 random: get_random_bytes called from start_kernel+0x1ef/0x384 with crng_init=0 Console: colour VGA+ 80x25 printk: console [ttyS0] enabled Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 48 ... MAX_LOCKDEP_KEYS: 8192 ... CLASSHASH_SIZE: 4096 ... MAX_LOCKDEP_ENTRIES: 32768 ... MAX_LOCKDEP_CHAINS: 65536 ... CHAINHASH_SIZE: 32768 memory used by lock dependency info: 6365 kB memory used for stack traces: 4224 kB per task-struct memory footprint: 1920 bytes ACPI: Core revision 20211217 APIC: Switch to symmetric I/O mode setup clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x33c5978b159, max_idle_ns: 440795383616 ns Calibrating delay loop (skipped), value calculated using timer frequency.. 7183.34 BogoMIPS (lpj=14366684) pid_max: default: 32768 minimum: 301 LSM: Security Framework initializing SELinux: Initializing. Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization Spectre V2 : Mitigation: Full generic retpoline Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch Spectre V2 : Enabling Restricted Speculation for firmware calls Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier Speculative Store Bypass: Vulnerable SRBDS: Unknown: Dependent on hypervisor status MDS: Vulnerable: Clear CPU buffers attempted, no microcode Freeing SMP alternatives memory: 44K smpboot: CPU0: Intel Core Processor (Haswell, no TSX, IBRS) (family: 0x6, model: 0x3c, stepping: 0x1) cblist_init_generic: Setting adjustable number of callback queues. cblist_init_generic: Setting shift to 2 and lim to 1. cblist_init_generic: Setting shift to 2 and lim to 1. ============================= WARNING: suspicious RCU usage 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Not tainted ----------------------------- include/linux/cgroup.h:494 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 2 locks held by swapper/0/1: #0: ffffffff850bed60 (console_lock){+.+.}-{0:0}, at: _printk+0x96/0xb2 #1: ffff88806d4377d8 (&rq->__lock){-...}-{2:2}, at: scheduler_tick+0xa0/0x790 stack backtrace: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 Call Trace: dump_stack_lvl+0x45/0x59 cpuacct_charge+0x248/0x300 update_curr+0x338/0x870 ? lock_is_held_type+0xd7/0x130 task_tick_fair+0x77/0x810 ? lock_is_held_type+0xd7/0x130 scheduler_tick+0x210/0x790 ? irq_work_single+0x16a/0x230 update_process_times+0x119/0x170 tick_periodic+0x56/0x1e0 tick_handle_periodic+0x3b/0xa0 __sysvec_apic_timer_interrupt+0x188/0x5a0 sysvec_apic_timer_interrupt+0x89/0xc0 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:console_unlock+0x681/0x850 Code: 08 e9 aa fc ff ff 48 c7 c6 0d a3 2c 81 48 c7 c7 60 e9 d3 84 e8 90 cb fe ff e8 9b 26 00 00 48 83 7c 24 10 00 0f 85 64 01 00 00 <8b> 54 24 30 85 d2 0f 84 d2 fa ff ff 31 d2 be a0 0a 00 00 48 c7 c7 RSP: 0000:ffff88800775fc88 EFLAGS: 00000202 RAX: 0000000000000119 RBX: ffff88800775fce0 RCX: 1ffffffff0d0d232 RDX: 0000000000000000 RSI: ffffffff8426aa20 RDI: ffffffff844e4c60 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff86868ba7 R10: fffffbfff0d0d174 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff854cb968 R14: 0000000000000000 R15: dffffc0000000000 ? console_unlock+0x7ea/0x850 ? devkmsg_read+0x640/0x640 ? lock_acquire+0x1b6/0x4b0 ? _printk+0x96/0xb2 vprintk_emit+0xf0/0x2c0 _printk+0x96/0xb2 ? pm_suspend.cold+0x4dd/0x4dd ? cblist_init_generic+0x3af/0x530 rcu_init_tasks_generic+0x71/0x15e kernel_init_freeable+0x17c/0x3e0 ? rest_init+0x2d0/0x2d0 kernel_init+0x19/0x140 ret_from_fork+0x22/0x30 ============================= WARNING: suspicious RCU usage 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Not tainted ----------------------------- include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 2 locks held by swapper/0/1: #0: ffffffff850bed60 (console_lock){+.+.}-{0:0}, at: _printk+0x96/0xb2 #1: ffff88806d4377d8 (&rq->__lock){-...}-{2:2}, at: scheduler_tick+0xa0/0x790 stack backtrace: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 Call Trace: dump_stack_lvl+0x45/0x59 update_curr+0x634/0x870 ? lock_is_held_type+0xd7/0x130 task_tick_fair+0x77/0x810 ? lock_is_held_type+0xd7/0x130 scheduler_tick+0x210/0x790 ? irq_work_single+0x16a/0x230 update_process_times+0x119/0x170 tick_periodic+0x56/0x1e0 tick_handle_periodic+0x3b/0xa0 __sysvec_apic_timer_interrupt+0x188/0x5a0 sysvec_apic_timer_interrupt+0x89/0xc0 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:console_unlock+0x681/0x850 Code: 08 e9 aa fc ff ff 48 c7 c6 0d a3 2c 81 48 c7 c7 60 e9 d3 84 e8 90 cb fe ff e8 9b 26 00 00 48 83 7c 24 10 00 0f 85 64 01 00 00 <8b> 54 24 30 85 d2 0f 84 d2 fa ff ff 31 d2 be a0 0a 00 00 48 c7 c7 RSP: 0000:ffff88800775fc88 EFLAGS: 00000202 RAX: 0000000000000119 RBX: ffff88800775fce0 RCX: 1ffffffff0d0d232 RDX: 0000000000000000 RSI: ffffffff8426aa20 RDI: ffffffff844e4c60 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff86868ba7 R10: fffffbfff0d0d174 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff854cb968 R14: 0000000000000000 R15: dffffc0000000000 ? console_unlock+0x7ea/0x850 ? devkmsg_read+0x640/0x640 ? lock_acquire+0x1b6/0x4b0 ? _printk+0x96/0xb2 vprintk_emit+0xf0/0x2c0 _printk+0x96/0xb2 ? pm_suspend.cold+0x4dd/0x4dd ? cblist_init_generic+0x3af/0x530 rcu_init_tasks_generic+0x71/0x15e kernel_init_freeable+0x17c/0x3e0 ? rest_init+0x2d0/0x2d0 kernel_init+0x19/0x140 ret_from_fork+0x22/0x30 cblist_init_generic: Setting shift to 2 and lim to 1. Running RCU-tasks wait API self tests Performance Events: unsupported p6 CPU model 60 no PMU driver, software events only. rcu: Hierarchical SRCU implementation. ============================= WARNING: suspicious RCU usage 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Not tainted ----------------------------- include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 1 lock held by migration/0/15: #0: ffff88806d4377d8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1d4/0x2280 stack backtrace: CPU: 0 PID: 15 Comm: migration/0 Not tainted 5.17.0-rc5-00050-gdc6e0818bc9a #2134 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1.fc35 04/01/2014 Stopper: 0x0 <- 0x0 Call Trace: dump_stack_lvl+0x45/0x59 put_prev_task_stop+0x48e/0x640 ? balance_rt+0x2b3/0x3e0 __schedule+0x1146/0x2280 ? io_schedule_timeout+0x190/0x190 ? lockdep_hardirqs_on_prepare+0x17b/0x400 ? _raw_spin_unlock_irqrestore+0x2d/0x50 ? smpboot_thread_fn+0x6b/0x8c0 schedule+0xe0/0x270 ? ikconfig_read_current+0x30/0x30 smpboot_thread_fn+0x253/0x8c0 ? smpboot_register_percpu_thread+0x320/0x320 kthread+0x29f/0x340 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 NMI watchdog: Perf NMI watchdog permanently disabled smp: Bringing up secondary CPUs ... x86: Booting SMP configuration: .... node #0, CPUs: #1 smpboot: CPU 1 Converting physical 0 to logical die 1 #2 smpboot: CPU 2 Converting physical 0 to logical die 2 Callback from call_rcu_tasks_trace() invoked. Callback from call_rcu_tasks_rude() invoked. #3 smpboot: CPU 3 Converting physical 0 to logical die 3 smp: Brought up 1 node, 4 CPUs smpboot: Max logical packages: 4 smpboot: Total of 4 processors activated (28894.81 BogoMIPS) devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns futex hash table entries: 1024 (order: 5, 131072 bytes, linear) NET: Registered PF_NETLINK/PF_ROUTE protocol family audit: initializing netlink subsys (disabled) Callback from call_rcu_tasks() invoked. audit: type=2000 audit(1647449881.440:1): state=initialized audit_enabled=0 res=1 thermal_sys: Registered thermal governor 'step_wise' thermal_sys: Registered thermal governor 'user_space' cpuidle: using governor ladder PCI: Using configuration type 1 for base access kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages cryptd: max_cpu_qlen set to 1000 raid6: avx2x4 gen() 34895 MB/s raid6: avx2x2 gen() 33100 MB/s raid6: avx2x1 gen() 25416 MB/s raid6: using algorithm avx2x4 gen() 34895 MB/s raid6: .... xor() 13503 MB/s, rmw enabled raid6: using avx2x2 recovery algorithm ACPI: Added _OSI(Module Device) ACPI: Added _OSI(Processor Device) ACPI: Added _OSI(3.0 _SCP Extensions) ACPI: Added _OSI(Processor Aggregator Device) ACPI: Added _OSI(Linux-Dell-Video) ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) ACPI: 1 ACPI AML tables successfully acquired and loaded ACPI: Interpreter enabled ACPI: PM: (supports S0 S5) ACPI: Using IOAPIC for interrupt routing PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug ACPI: Enabled 2 GPEs in block 00 to 0F ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments HPX-Type3] acpi PNP0A03:00: PCIe port services disabled; not requesting _OSC control acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff window] pci_bus 0000:00: root bus resource [mem 0x100000000-0x17fffffff window] pci_bus 0000:00: root bus resource [bus 00-ff] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 pci 0000:00:01.1: reg 0x20: [io 0xc2e0-0xc2ef] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB pci 0000:00:02.0: [1b36:0100] type 00 class 0x030000 pci 0000:00:02.0: reg 0x10: [mem 0xf4000000-0xf7ffffff] pci 0000:00:02.0: reg 0x14: [mem 0xf8000000-0xfbffffff] pci 0000:00:02.0: reg 0x18: [mem 0xfc054000-0xfc055fff] pci 0000:00:02.0: reg 0x1c: [io 0xc200-0xc21f] pci 0000:00:02.0: reg 0x30: [mem 0xfc040000-0xfc04ffff pref] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000 pci 0000:00:03.0: reg 0x10: [io 0xc220-0xc23f] pci 0000:00:03.0: reg 0x14: [mem 0xfc056000-0xfc056fff] pci 0000:00:03.0: reg 0x20: [mem 0xfebd4000-0xfebd7fff 64bit pref] pci 0000:00:03.0: reg 0x30: [mem 0xfc000000-0xfc03ffff pref] pci 0000:00:04.0: [8086:2668] type 00 class 0x040300 pci 0000:00:04.0: reg 0x10: [mem 0xfc050000-0xfc053fff] pci 0000:00:05.0: [8086:2934] type 00 class 0x0c0300 pci 0000:00:05.0: reg 0x20: [io 0xc240-0xc25f] pci 0000:00:05.1: [8086:2935] type 00 class 0x0c0300 pci 0000:00:05.1: reg 0x20: [io 0xc260-0xc27f] pci 0000:00:05.2: [8086:2936] type 00 class 0x0c0300 pci 0000:00:05.2: reg 0x20: [io 0xc280-0xc29f] pci 0000:00:05.7: [8086:293a] type 00 class 0x0c0320 pci 0000:00:05.7: reg 0x10: [mem 0xfc057000-0xfc057fff] pci 0000:00:06.0: [1af4:1003] type 00 class 0x078000 pci 0000:00:06.0: reg 0x10: [io 0xc000-0xc03f] pci 0000:00:06.0: reg 0x14: [mem 0xfc058000-0xfc058fff] pci 0000:00:06.0: reg 0x20: [mem 0xfebd8000-0xfebdbfff 64bit pref] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:07.0: reg 0x10: [io 0xc040-0xc07f] pci 0000:00:07.0: reg 0x14: [mem 0xfc059000-0xfc059fff] pci 0000:00:07.0: reg 0x20: [mem 0xfebdc000-0xfebdffff 64bit pref] pci 0000:00:08.0: [1af4:1002] type 00 class 0x00ff00 pci 0000:00:08.0: reg 0x10: [io 0xc2a0-0xc2bf] pci 0000:00:08.0: reg 0x20: [mem 0xfebe0000-0xfebe3fff 64bit pref] pci 0000:00:09.0: [1af4:1005] type 00 class 0x00ff00 pci 0000:00:09.0: reg 0x10: [io 0xc2c0-0xc2df] pci 0000:00:09.0: reg 0x20: [mem 0xfebe4000-0xfebe7fff 64bit pref] pci 0000:00:0a.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:0a.0: reg 0x10: [io 0xc080-0xc0bf] pci 0000:00:0a.0: reg 0x14: [mem 0xfc05a000-0xfc05afff] pci 0000:00:0a.0: reg 0x20: [mem 0xfebe8000-0xfebebfff 64bit pref] pci 0000:00:0b.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:0b.0: reg 0x10: [io 0xc0c0-0xc0ff] pci 0000:00:0b.0: reg 0x14: [mem 0xfc05b000-0xfc05bfff] pci 0000:00:0b.0: reg 0x20: [mem 0xfebec000-0xfebeffff 64bit pref] pci 0000:00:0c.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:0c.0: reg 0x10: [io 0xc100-0xc13f] pci 0000:00:0c.0: reg 0x14: [mem 0xfc05c000-0xfc05cfff] pci 0000:00:0c.0: reg 0x20: [mem 0xfebf0000-0xfebf3fff 64bit pref] pci 0000:00:0d.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:0d.0: reg 0x10: [io 0xc140-0xc17f] pci 0000:00:0d.0: reg 0x14: [mem 0xfc05d000-0xfc05dfff] pci 0000:00:0d.0: reg 0x20: [mem 0xfebf4000-0xfebf7fff 64bit pref] pci 0000:00:0e.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:0e.0: reg 0x10: [io 0xc180-0xc1bf] pci 0000:00:0e.0: reg 0x14: [mem 0xfc05e000-0xfc05efff] pci 0000:00:0e.0: reg 0x20: [mem 0xfebf8000-0xfebfbfff 64bit pref] pci 0000:00:0f.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:0f.0: reg 0x10: [io 0xc1c0-0xc1ff] pci 0000:00:0f.0: reg 0x14: [mem 0xfc05f000-0xfc05ffff] pci 0000:00:0f.0: reg 0x20: [mem 0xfebfc000-0xfebfffff 64bit pref] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 ACPI: PCI: Interrupt link LNKB configured for IRQ 10 ACPI: PCI: Interrupt link LNKC configured for IRQ 11 ACPI: PCI: Interrupt link LNKD configured for IRQ 11 ACPI: PCI: Interrupt link LNKS configured for IRQ 9 pci 0000:00:02.0: vgaarb: setting as boot VGA device pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none pci 0000:00:02.0: vgaarb: bridge control possible vgaarb: loaded SCSI subsystem initialized 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 PTP clock support registered EDAC MC: Ver: 3.0.0 Advanced Linux Sound Architecture Driver Initialized. PCI: Using ACPI for IRQ routing clocksource: Switched to clocksource tsc-early VFS: Disk quotas dquot_6.6.0 VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) FS-Cache: Loaded CacheFiles: Loaded pnp: PnP ACPI init pnp: PnP ACPI: found 5 devices clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns NET: Registered PF_INET protocol family IP idents hash table entries: 32768 (order: 6, 262144 bytes, linear) tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, linear) TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear) TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, linear) TCP: Hash tables configured (established 16384 bind 16384) UDP hash table entries: 1024 (order: 5, 163840 bytes, linear) UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, linear) NET: Registered PF_UNIX/PF_LOCAL protocol family pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff window] pci_bus 0000:00: resource 8 [mem 0x100000000-0x17fffffff window] pci 0000:00:01.0: PIIX3: Enabling Passive Release pci 0000:00:00.0: Limiting direct PCI/PCI transfers pci 0000:00:01.0: Activating ISA DMA hang workarounds ACPI: \_SB_.LNKA: Enabled at IRQ 10 pci 0000:00:05.0: quirk_usb_early_handoff+0x0/0xa70 took 1972834 usecs ACPI: \_SB_.LNKB: Enabled at IRQ 11 pci 0000:00:05.1: quirk_usb_early_handoff+0x0/0xa70 took 1981210 usecs ACPI: \_SB_.LNKC: Enabled at IRQ 11 pci 0000:00:05.2: quirk_usb_early_handoff+0x0/0xa70 took 1999352 usecs ACPI: \_SB_.LNKD: Enabled at IRQ 10 pci 0000:00:05.7: quirk_usb_early_handoff+0x0/0xa70 took 1996418 usecs PCI: CLS 0 bytes, default 64 Trying to unpack rootfs image as initramfs... Initialise system trusted keyrings workingset: timestamp_bits=62 max_order=19 bucket_order=0 DLM installed Key type cifs.idmap registered fuse: init (API version 7.36) SGI XFS with ACLs, security attributes, no debug enabled ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed xor: automatically using best checksumming function avx Key type asymmetric registered Asymmetric key parser 'x509' registered Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) io scheduler mq-deadline registered io scheduler kyber registered test_string_helpers: Running tests... cryptomgr_test (95) used greatest stack depth: 30160 bytes left shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] Freeing initrd memory: 29252K kworker/u8:3 (119) used greatest stack depth: 28520 bytes left kworker/u8:2 (114) used greatest stack depth: 28272 bytes left tsc: Refined TSC clocksource calibration: 3591.584 MHz clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x33c545180c2, max_idle_ns: 440795274720 ns clocksource: Switched to clocksource tsc kworker/u8:2 (278) used greatest stack depth: 28048 bytes left kworker/u8:2 (303) used greatest stack depth: 27216 bytes left Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled 00:00: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 Linux agpgart interface v0.103 ACPI: bus type drm_connector registered brd: module loaded loop: module loaded virtio_blk virtio2: [vda] 16777216 512-byte logical blocks (8.59 GB/8.00 GiB) vda: vda1 vda2 virtio_blk virtio5: [vdb] 10485760 512-byte logical blocks (5.37 GB/5.00 GiB) virtio_blk virtio6: [vdc] 10485760 512-byte logical blocks (5.37 GB/5.00 GiB) virtio_blk virtio7: [vdd] 10485760 512-byte logical blocks (5.37 GB/5.00 GiB) virtio_blk virtio8: [vde] 10485760 512-byte logical blocks (5.37 GB/5.00 GiB) virtio_blk virtio9: [vdf] 41943040 512-byte logical blocks (21.5 GB/20.0 GiB) virtio_blk virtio10: [vdg] 20971520 512-byte logical blocks (10.7 GB/10.0 GiB) vdg: zram: Added device: zram0 scsi host0: ata_piix scsi host1: ata_piix ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc2e0 irq 14 ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc2e8 irq 15 tun: Universal TUN/TAP device driver, 1.6 e1000: Intel(R) PRO/1000 Network Driver e1000: Copyright (c) 1999-2006 Intel Corporation. e1000e: Intel(R) PRO/1000 Network Driver e1000e: Copyright(c) 1999 - 2015 Intel Corporation. PPP generic driver version 2.4.2 aoe: AoE v85 initialised. ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci-pci: EHCI PCI platform driver ata1: found unknown device (class 0) ata1.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 scsi 0:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 sr 0:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray cdrom: Uniform CD-ROM driver Revision: 3.20 sr 0:0:0:0: Attached scsi generic sg0 type 5 ehci-pci 0000:00:05.7: EHCI Host Controller ehci-pci 0000:00:05.7: new USB bus registered, assigned bus number 1 ehci-pci 0000:00:05.7: irq 10, io mem 0xfc057000 ehci-pci 0000:00:05.7: USB 2.0 started, EHCI 1.00 hub 1-0:1.0: USB hub found hub 1-0:1.0: 6 ports detected ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver ohci-pci: OHCI PCI platform driver uhci_hcd: USB Universal Host Controller Interface driver usb 1-1: new high-speed USB device number 2 using ehci-pci uhci_hcd 0000:00:05.0: UHCI Host Controller uhci_hcd 0000:00:05.0: new USB bus registered, assigned bus number 2 uhci_hcd 0000:00:05.0: irq 10, io port 0x0000c240 hub 2-0:1.0: USB hub found hub 2-0:1.0: 2 ports detected uhci_hcd 0000:00:05.1: UHCI Host Controller uhci_hcd 0000:00:05.1: new USB bus registered, assigned bus number 3 uhci_hcd 0000:00:05.1: irq 11, io port 0x0000c260 hub 3-0:1.0: USB hub found hub 3-0:1.0: 2 ports detected uhci_hcd 0000:00:05.2: UHCI Host Controller uhci_hcd 0000:00:05.2: new USB bus registered, assigned bus number 4 uhci_hcd 0000:00:05.2: irq 11, io port 0x0000c280 hub 4-0:1.0: USB hub found hub 4-0:1.0: 2 ports detected usbcore: registered new interface driver usblp usbcore: registered new interface driver usb-storage i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mousedev: PS/2 mouse device common for all mice input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 input: PC Speaker as /devices/platform/pcspkr/input/input4 device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log. device-mapper: uevent: version 1.0.3 device-mapper: ioctl: 4.45.0-ioctl (2021-03-22) initialised: dm-devel@redhat.com device-mapper: multipath round-robin: version 1.2.0 loaded intel_pstate: CPU model not supported input: QEMU QEMU USB Tablet as /devices/pci0000:00/0000:00:05.7/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input5 hid-generic 0003:0627:0001.0001: input: USB HID v0.01 Mouse [QEMU QEMU USB Tablet] on usb-0000:00:05.7-1/input0 usbcore: registered new interface driver usbhid usbhid: USB HID core driver netem: version 1.3 NET: Registered PF_INET6 protocol family Segment Routing with IPv6 In-situ OAM (IOAM) with IPv6 sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver NET: Registered PF_PACKET protocol family NET: Registered PF_KEY protocol family sctp: Hash tables configured (bind 32/56) Key type dns_resolver registered IPI shorthand broadcast: enabled AVX2 version of gcm_enc/dec engaged. AES CTR mode by8 optimization enabled sched_clock: Marking stable (28096270726, 82668394)->(28303532526, -124593406) Loading compiled-in X.509 certificates debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers Btrfs loaded, crc32c=crc32c-intel, zoned=no, fsverity=no ima: No TPM chip found, activating TPM-bypass! ima: Allocated hash algorithm: sha1 ima: No architecture policies found ALSA device list: #0: Virtual MIDI Card 1 Freeing unused kernel image (initmem) memory: 2088K Write protecting the kernel read-only data: 61440k Freeing unused kernel image (text/rodata gap) memory: 2028K Freeing unused kernel image (rodata/data gap) memory: 884K Run /init as init process systemd[1]: systemd v246.13-1.fc33 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) systemd[1]: Detected virtualization kvm. systemd[1]: Detected architecture x86-64. systemd[1]: Running in initial RAM disk. Welcome to