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Message-Id: <201710032244.ADC26527.FStOFOJOFLMVHQ@I-love.SAKURA.ne.jp>
Date: Tue, 3 Oct 2017 22:44:13 +0900
From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To: jpoimboe@...hat.com, bp@...en8.de
Cc: tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
x86@...nel.org, linux-kernel@...r.kernel.org,
torvalds@...ux-foundation.org
Subject: Re: [4.14-rc1 x86] WARNING: kernel stack regs at f60bbb12 inswapper:1 has bad 'bp' value 0ba00000
Josh Poimboeuf wrote:
> On Tue, Oct 03, 2017 at 12:37:44PM +0200, Borislav Petkov wrote:
> > On Tue, Oct 03, 2017 at 07:29:36PM +0900, Tetsuo Handa wrote:
> > > Tetsuo Handa wrote:
> > > > Tetsuo Handa wrote:
> > > > > Tetsuo Handa wrote:
> > > > > > I'm seeing below error between
> > > > > > 4898b99c261efe32 ("Merge tag 'acpi-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm") (git bisect good (presumably))
> > > > > > e6f3faa734a00c60 ("locking/lockdep: Fix workqueue crossrelease annotation") (git bisect bad) on linux.git .
> > > > >
> > > > > F.Y.I. This error remains as of 46c1e79fee417f15 ("Merge branch 'perf-urgent-for-linus' of
> > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") on linux.git .
> > > > >
> > > >
> > > > This error still remains as of 6e80ecdddf4ea6f3 ("Merge branch 'libnvdimm-fixes'
> > > > of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm") on linux.git .
> > > >
> > > > I'm suspecting that this error is causing very unstable x86_32 kernel.
> > > > It seems that this error occurs (though rare frequency) even on x86_64 kernel.
> > > >
> > > > Nobody cares?
> > > >
> > > 4.14-rc3 still trivially panics due to this error. Is this problem known?
>
> Can you try with the following patch? It should hopefully give more
> useful information in the dump.
>
I see. Here is the result.
# /usr/libexec/qemu-kvm -no-kvm -cpu kvm32 -smp 1 -m 2048 --no-reboot --kernel arch/x86/boot/bzImage --nographic --append "panic=1 console=ttyS0,115200n8"
[ 0.000000] Linux version 4.14.0-rc3+ (root@...ecurity) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC)) #154 Tue Oct 3 22:37:16 JST 2017
[ 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 0x0000000000100000-0x000000007fffdfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000007fffe000-0x000000007fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] Notice: NX (Execute Disable) protection missing in CPU!
[ 0.000000] random: fast init done
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] DMI: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.000000] tsc: Unable to calibrate against PIT
[ 0.000000] tsc: No reference (HPET/PMTIMER) available
[ 0.000000] e820: last_pfn = 0x7fffe max_arch_pfn = 0x100000
[ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- UC
[ 0.000000] found SMP MP-table at [mem 0x000f7310-0x000f731f] mapped at [ffda2310]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F7170 000014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0x000000007FFFFA9B 000030 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACP 0x000000007FFFF177 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.000000] ACPI: DSDT 0x000000007FFFE040 001137 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACS 0x000000007FFFE000 000040
[ 0.000000] ACPI: SSDT 0x000000007FFFF1EB 000838 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: APIC 0x000000007FFFFA23 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
[ 0.000000] 1160MB HIGHMEM available.
[ 0.000000] 887MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 377fe000
[ 0.000000] low ram: 0 - 377fe000
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] Normal [mem 0x0000000001000000-0x00000000377fdfff]
[ 0.000000] HighMem [mem 0x00000000377fe000-0x000000007fffdfff]
[ 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 0x0000000000100000-0x000000007fffdfff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000007fffdfff]
[ 0.000000] Using APIC driver default
[ 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 already used, trying 1
[ 0.000000] IOAPIC[0]: apic_id 1, version 17, 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] 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] Booting paravirtualized kernel on bare hardware
[ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 522412
[ 0.000000] Kernel command line: panic=1 console=ttyS0,115200n8
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Initializing CPU#0
[ 0.000000] Initializing HighMem for node 0 (000377fe:0007fffe)
[ 0.000000] Initializing Movable for node 0 (00000000:00000000)
[ 0.000000] Memory: 2063972K/2096752K available (3344K kernel code, 401K rwdata, 1484K rodata, 500K init, 8800K bss, 32780K reserved, 0K cma-reserved, 1187840K highmem)
[ 0.000000] virtual kernel memory layout:
[ 0.000000] fixmap : 0xfffa1000 - 0xfffff000 ( 376 kB)
[ 0.000000] pkmap : 0xff800000 - 0xffc00000 (4096 kB)
[ 0.000000] vmalloc : 0xf7ffe000 - 0xff7fe000 ( 120 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xf77fe000 ( 887 MB)
[ 0.000000] .init : 0xc152a000 - 0xc15a7000 ( 500 kB)
[ 0.000000] .data : 0xc1344293 - 0xc151d520 (1892 kB)
[ 0.000000] .text : 0xc1000000 - 0xc1344293 (3344 kB)
[ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
[ 0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Running RCU self tests
[ 0.000000] NR_IRQS: 2304, nr_irqs: 256, preallocated irqs: 16
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.000000] ... MAX_LOCK_DEPTH: 48
[ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
[ 0.000000] ... CLASSHASH_SIZE: 4096
[ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.000000] ... CHAINHASH_SIZE: 32768
[ 0.000000] memory used by lock dependency info: 4399 kB
[ 0.000000] per task-struct memory footprint: 1536 bytes
[ 0.000000] ODEBUG: selftest passed
[ 0.009000] tsc: Unable to calibrate against PIT
[ 0.009000] tsc: using PMTIMER reference calibration
[ 0.009000] tsc: Detected 2793.516 MHz processor
[ 0.010000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5587.03 BogoMIPS (lpj=2793516)
[ 0.010000] pid_max: default: 32768 minimum: 301
[ 0.013154] ACPI: Core revision 20170728
[ 0.284648] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 0.294122] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.294350] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.323000] mce: CPU supports 10 MCE banks
[ 0.326870] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.328161] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 0.328565] CPU: Intel Common 32-bit KVM processor (family: 0xf, model: 0x6, stepping: 0x1)
[ 0.368262] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only.
[ 0.386320] Enabling APIC mode: Flat. Using 1 I/O APICs
[ 0.391401] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.392109] NMI watchdog: Shutting down hard lockup detector on all cpus
[ 0.399000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.421758] devtmpfs: initialized
[ 0.442431] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[ 0.442996] futex hash table entries: 256 (order: 1, 12288 bytes)
[ 0.447326] pinctrl core: initialized pinctrl subsystem
[ 0.455115] RTC time: 13:39:34, date: 10/03/17
[ 0.476428] cpuidle: using governor menu
[ 0.479000] ACPI: bus type PCI registered
[ 0.480340] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.492080] PCI: PCI BIOS revision 2.10 entry at 0xfd54b, last bus=0
[ 0.492291] PCI: Using configuration type 1 for base access
[ 0.649199] ACPI: Added _OSI(Module Device)
[ 0.649356] ACPI: Added _OSI(Processor Device)
[ 0.649787] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.650164] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#1] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60bba97 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60bba6b ESP: f60bba47
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#2] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60bb86f ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60bb813 ESP: f60bb7ef
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#3] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60bb617 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60bb5bb ESP: f60bb597
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#4] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60bb3bf ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60bb363 ESP: f60bb33f
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#5] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60bb167 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60bb10b ESP: f60bb0e7
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#6] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60baf0f ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60baeb3 ESP: f60bae8f
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#7] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60bacb7 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60bac5b ESP: f60bac37
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#8] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60baa5f ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60baa03 ESP: f60ba9df
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#9] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60ba807 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60ba7ab ESP: f60ba787
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Oops: 0000 [#10] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60ba5af ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60ba553 ESP: f60ba52f
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Thread overran stack, or stack corrupted
[ 0.762000] Oops: 0000 [#11] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60ba357 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60ba2fb ESP: f60ba2d7
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Thread overran stack, or stack corrupted
[ 0.762000] Oops: 0000 [#12] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60ba0ff ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60ba0a3 ESP: f60ba07f
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.762000] IP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] *pde = 00000000
[ 0.762000] Thread overran stack, or stack corrupted
[ 0.762000] Oops: 0000 [#13] DEBUG_PAGEALLOC
[ 0.762000] Modules linked in:
[ 0.762000] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.0-rc3+ #154
[ 0.762000] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 0.762000] task: f60c8040 task.stack: f60ba000
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0
[ 0.762000] EFLAGS: 00200046 CPU: 0
[ 0.762000] EAX: 00000000 EBX: f60b9ea7 ECX: 00000000 EDX: f60bbfa0
[ 0.762000] ESI: f60c8040 EDI: f60bbfac EBP: f60b9e4b ESP: f60b9e27
[ 0.762000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 0.762000] CR0: 80050033 CR2: 00000000 CR3: 015aa000 CR4: 000006d0
[ 0.762000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.762000] DR6: 00000000 DR7: 00000000
[ 0.762000] Call Trace:
[ 0.762000] ? 0xc1000000
[ 0.762000] ? smp_apic_timer_interrupt+0x44/0x80
[ 0.762000] ? smp_apic_timer_interrupt+0x44/0x80
[ 0.762000] ? check_bytes_and_report+0x1e/0xf0
[ 0.762000] ? check_object+0x99/0x250
[ 0.762000] ? __free_slab+0x72/0x190
[ 0.762000] ? free_slab+0xe/0x20
[ 0.762000] ? __slab_free+0x346/0x400
[ 0.762000] ? acpi_os_release_object+0x8/0x10
[ 0.762000] ? __debug_check_no_obj_freed+0xed/0x1b0
[ 0.762000] ? trace_hardirqs_on_caller+0xec/0x180
[ 0.762000] ? kmem_cache_free+0x10d/0x160
[ 0.762000] ? acpi_os_release_object+0x8/0x10
[ 0.762000] ? acpi_os_release_object+0x8/0x10
[ 0.762000] ? acpi_os_release_object+0x8/0x10
[ 0.762000] ? acpi_ps_free_op+0x1a/0x1c
[ 0.762000] ? acpi_ps_delete_parse_tree+0x24/0x4b
[ 0.762000] ? acpi_ds_execute_arguments+0x93/0x115
[ 0.762000] ? acpi_ds_get_package_arguments+0x3f/0x4a
[ 0.762000] ? acpi_ns_init_one_object+0xb8/0x116
[ 0.762000] ? acpi_ns_walk_namespace+0xb1/0x161
[ 0.762000] ? acpi_walk_namespace+0x68/0x99
[ 0.762000] ? acpi_ns_exec_module_code_list+0x135/0x135
[ 0.762000] ? acpi_ns_initialize_objects+0x33/0x67
[ 0.762000] ? acpi_ns_exec_module_code_list+0x135/0x135
[ 0.762000] ? acpi_initialize_objects+0x2e/0x4e
[ 0.762000] ? acpi_sleep_proc_init+0x22/0x22
[ 0.762000] ? acpi_init+0xca/0x325
[ 0.762000] ? fb_console_init+0xd8/0x112
[ 0.762000] ? fbmem_init+0xb8/0xd6
[ 0.762000] ? acpi_sleep_proc_init+0x22/0x22
[ 0.762000] ? do_one_initcall+0x40/0x17a
[ 0.762000] ? repair_env_string+0x12/0x51
[ 0.762000] ? set_debug_rodata+0xf/0xf
[ 0.762000] ? parse_args+0x220/0x3e0
[ 0.762000] ? set_debug_rodata+0xf/0xf
[ 0.762000] ? kernel_init_freeable+0xf4/0x186
[ 0.762000] ? set_debug_rodata+0xf/0xf
[ 0.762000] ? rest_init+0xd0/0xd0
[ 0.762000] ? kernel_init+0xb/0xf0
[ 0.762000] ? schedule_tail_wrapper+0x9/0xc
[ 0.762000] ? ret_from_fork+0x19/0x24
[ 0.762000] Code: 03 0f 85 db fe ff ff 8b 45 f0 c7 43 20 00 00 00 00 c7 43 28 00 00 00 00 89 43 2c 83 c4 18 b8 01 00 00 00 5b 5e 5f 5d c3 8d 76 00 <8b> 31 e9 fa fe ff ff 80 3d 58 bd 51 c1 00 75 83 89 74 24 10 8b
[ 0.762000] EIP: unwind_next_frame.part.5+0x168/0x1f0 SS:ESP: 0068:f60b9e27
[ 0.762000] CR2: 0000000000000000
[ 0.762000] ---[ end trace 4e5f07483d2b726d ]---
[ 0.762000] Kernel panic - not syncing: Fatal exception in interrupt
[ 0.762000] Rebooting in 1 seconds..
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