**Qubes OS version**
Qubes 4.1
**Affected component(s) or functionality**
X…en, Linux
**Brief summary**
Starting a Linux PV domain results in a kernel panic. The same Linux version worked on Xen 4.13.
**To Reproduce**
_Steps to reproduce the behavior:_
_1. Install Qubes 4.1_
_2. Update to Xen 4.14_
_3. Try to start a Linux PV domain_
_4. Observe failed start and the crash message in `/var/log/xen/console/guest-<vmname>.log`_
**Expected behavior**
Normal start.
**Actual behavior**
```
[ 3.456316] BUG: unable to handle page fault for address: ffffc9000096b818
[ 3.456326] #PF: supervisor read access in kernel mode
[ 3.456333] #PF: error_code(0x0000) - not-present page
[ 3.456341] PGD 18829067 P4D 18829067 PUD 18828067 PMD 1355b067 PTE 0
[ 3.456352] Oops: 0000 [#1] SMP NOPTI
[ 3.456359] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.8.5-1.qubes.x86_64 #1
[ 3.456374] RIP: e030:pmc_core_probe+0x138/0x190
[ 3.456382] Code: 82 48 c7 c7 68 f3 24 83 e8 f5 5f 77 ff 48 8b 05 4e a6 87 01 48 c7 83 88 00 00 00 40 f3 24 83 48 63 40 4c 48 03 05 30 a6 87 01 <8b> 00 48 8b 15 2f a6 87 01 48 c7 c7 80 db 13 82 8b 4a 50 ba 01 00
[ 3.456405] RSP: e02b:ffffc9000080bc28 EFLAGS: 00010286
[ 3.456414] RAX: ffffc9000096b818 RBX: ffffffff827ee180 RCX: 00000000fe002000
[ 3.456425] RDX: ffffffff8324f320 RSI: ffffffff8245d710 RDI: ffffffff8324f368
[ 3.456435] RBP: ffffffff827ee190 R08: 0000000000000000 R09: 00000000fe001fff
[ 3.456445] R10: 0000000000007ff0 R11: ffff888012d048c0 R12: 0000000000000000
[ 3.456455] R13: 0000000000000000 R14: 0000000000000000 R15: 64eb6bcdd2d8f073
[ 3.456478] FS: 0000000000000000(0000) GS:ffff888014000000(0000) knlGS:0000000000000000
[ 3.456489] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.456497] CR2: ffffc9000096b818 CR3: 000000000260a000 CR4: 0000000000040660
[ 3.456514] Call Trace:
[ 3.456523] platform_drv_probe+0x35/0x80
[ 3.456531] really_probe+0x2cd/0x400
[ 3.456538] driver_probe_device+0xe1/0x150
[ 3.456545] ? driver_allows_async_probing+0x50/0x50
[ 3.456555] bus_for_each_drv+0x8f/0xd0
[ 3.456562] __device_attach+0xe9/0x1e0
[ 3.456569] bus_probe_device+0x8e/0xa0
[ 3.456576] device_add+0x38d/0x680
[ 3.456583] platform_device_add+0x105/0x230
[ 3.456594] ? pmc_core_driver_init+0x40/0x40
[ 3.456603] do_one_initcall+0x59/0x220
[ 3.456612] do_initcalls+0x112/0x16f
[ 3.456620] kernel_init_freeable+0x170/0x22d
[ 3.456630] ? rest_init+0xaa/0xaa
[ 3.456637] kernel_init+0xa/0x106
[ 3.456644] ret_from_fork+0x22/0x30
[ 3.456651] Modules linked in:
[ 3.456658] CR2: ffffc9000096b818
[ 3.456669] ---[ end trace 7604e0e19a308f23 ]---
[ 3.456679] RIP: e030:pmc_core_probe+0x138/0x190
[ 3.456686] Code: 82 48 c7 c7 68 f3 24 83 e8 f5 5f 77 ff 48 8b 05 4e a6 87 01 48 c7 83 88 00 00 00 40 f3 24 83 48 63 40 4c 48 03 05 30 a6 87 01 <8b> 00 48 8b 15 2f a6 87 01 48 c7 c7 80 db 13 82 8b 4a 50 ba 01 00
[ 3.456713] RSP: e02b:ffffc9000080bc28 EFLAGS: 00010286
[ 3.456721] RAX: ffffc9000096b818 RBX: ffffffff827ee180 RCX: 00000000fe002000
[ 3.456764] RDX: ffffffff8324f320 RSI: ffffffff8245d710 RDI: ffffffff8324f368
[ 3.456775] RBP: ffffffff827ee190 R08: 0000000000000000 R09: 00000000fe001fff
[ 3.456785] R10: 0000000000007ff0 R11: ffff888012d048c0 R12: 0000000000000000
[ 3.456795] R13: 0000000000000000 R14: 0000000000000000 R15: 64eb6bcdd2d8f073
[ 3.456815] FS: 0000000000000000(0000) GS:ffff888014000000(0000) knlGS:0000000000000000
[ 3.456828] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.456833] CR2: ffffc9000096b818 CR3: 000000000260a000 CR4: 0000000000040660
[ 3.456833] Kernel panic - not syncing: Fatal exception
[ 3.456833] Kernel Offset: disabled
```
**Additional context**
If relevant, the CPU is Intel Core i7-8750H.
**Solutions you've tried**
Changing kernel version doesn't help (tried 5.4.61, 5.7.10, 5.8.5). But the Linux PV stubdomain does work (it doesn't include the driver that triggers the crash).
**Relevant [documentation](https://www.qubes-os.org/doc/) you've consulted**
_A list of links to the Qubes documentation (or other relevant software documentation) pages you have already consulted._
**Related, [non-duplicate](https://www.qubes-os.org/doc/reporting-bugs/#new-issues-should-not-be-duplicates-of-existing-issues) issues**
_A list of links to other bug reports, feature requests, or tasks in the qubes-issues tracker (or "none" if you didn't find any). Do not describe any other unreported bugs, features, or tasks here._
<summary>
Full Linux boot log
<details>
```
[2020-09-13 12:08:54] [ 0.000000] Linux version 5.8.5-1.qubes.x86_64 (mockbuild@) (gcc (GCC) 10.2.1 20200723 (Red Hat 10.2.1-1), GNU ld version 2.34-4.fc32) #1 SMP Sat Aug 29 14:01:17 CEST 2020
[2020-09-13 12:08:54] [ 0.000000] Command line: root=/dev/mapper/dmroot ro nomodeset console=hvc0 rd_NO_PLYMOUTH rd.plymouth.enable=0 plymouth.enable=0 xen_scrub_pages=0 nopat
[2020-09-13 12:08:54] [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[2020-09-13 12:08:54] [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[2020-09-13 12:08:54] [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[2020-09-13 12:08:54] [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[2020-09-13 12:08:54] [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[2020-09-13 12:08:54] [ 0.000000] ACPI in unprivileged domain disabled
[2020-09-13 12:08:54] [ 0.000000] Released 0 page(s)
[2020-09-13 12:08:54] [ 0.000000] BIOS-provided physical RAM map:
[2020-09-13 12:08:54] [ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable
[2020-09-13 12:08:54] [ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[2020-09-13 12:08:54] [ 0.000000] Xen: [mem 0x0000000000100000-0x00000000f4efffff] usable
[2020-09-13 12:08:54] [ 0.000000] x86/PAT: PAT support disabled via boot option.
[2020-09-13 12:08:54] [ 0.000000] NX (Execute Disable) protection: active
[2020-09-13 12:08:54] [ 0.000000] DMI not present or invalid.
[2020-09-13 12:08:54] [ 0.000000] Hypervisor detected: Xen PV
[2020-09-13 12:08:54] [ 0.188030] tsc: Fast TSC calibration failed
[2020-09-13 12:08:54] [ 0.188035] tsc: Detected 2207.992 MHz processor
[2020-09-13 12:08:54] [ 0.188058] last_pfn = 0xf4f00 max_arch_pfn = 0x400000000
[2020-09-13 12:08:54] [ 0.188059] Disabled
[2020-09-13 12:08:54] [ 0.188065] x86/PAT: Configuration [0-7]: WB WT UC- UC WC WP UC UC
[2020-09-13 12:08:54] [ 0.419648] Kernel/User page tables isolation: disabled on XEN PV.
[2020-09-13 12:08:54] [ 1.793672] RAMDISK: [mem 0x04000000-0x051fcfff]
[2020-09-13 12:08:54] [ 1.793698] NUMA turned off
[2020-09-13 12:08:54] [ 1.793699] Faking a node at [mem 0x0000000000000000-0x00000000f4efffff]
[2020-09-13 12:08:54] [ 1.793716] NODE_DATA(0) allocated [mem 0x18856000-0x18880fff]
[2020-09-13 12:08:54] [ 1.828156] Zone ranges:
[2020-09-13 12:08:54] [ 1.828158] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[2020-09-13 12:08:54] [ 1.828160] DMA32 [mem 0x0000000001000000-0x00000000f4efffff]
[2020-09-13 12:08:54] [ 1.828162] Normal empty
[2020-09-13 12:08:54] [ 1.828163] Device empty
[2020-09-13 12:08:54] [ 1.828164] Movable zone start for each node
[2020-09-13 12:08:54] [ 1.828168] Early memory node ranges
[2020-09-13 12:08:54] [ 1.828169] node 0: [mem 0x0000000000001000-0x000000000009ffff]
[2020-09-13 12:08:54] [ 1.828171] node 0: [mem 0x0000000000100000-0x00000000f4efffff]
[2020-09-13 12:08:54] [ 1.828307] Zeroed struct page in unavailable ranges: 12641 pages
[2020-09-13 12:08:54] [ 1.828309] Initmem setup node 0 [mem 0x0000000000001000-0x00000000f4efffff]
[2020-09-13 12:08:54] [ 1.836886] p2m virtual area at (____ptrval____), size is 800000
[2020-09-13 12:08:54] [ 1.860771] Remapped 0 page(s)
[2020-09-13 12:08:54] [ 1.860903] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[2020-09-13 12:08:54] [ 1.860913] [mem 0xf4f00000-0xffffffff] available for PCI devices
[2020-09-13 12:08:54] [ 1.860917] Booting paravirtualized kernel on Xen
[2020-09-13 12:08:54] [ 1.860919] Xen version: 4.14.0 (preserve-AD)
[2020-09-13 12:08:54] [ 1.860922] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
[2020-09-13 12:08:54] [ 1.867827] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
[2020-09-13 12:08:54] [ 1.867999] percpu: Embedded 54 pages/cpu s184320 r8192 d28672 u1048576
[2020-09-13 12:08:54] [ 1.868067] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[2020-09-13 12:08:54] [ 1.868072] Built 1 zonelists, mobility grouping on. Total pages: 987470
[2020-09-13 12:08:54] [ 1.868074] Policy zone: DMA32
[2020-09-13 12:08:54] [ 1.868076] Kernel command line: root=/dev/mapper/dmroot ro nomodeset console=hvc0 rd_NO_PLYMOUTH rd.plymouth.enable=0 plymouth.enable=0 xen_scrub_pages=0 nopat
[2020-09-13 12:08:54] [ 1.868111] You have booted with nomodeset. This means your GPU drivers are DISABLED
[2020-09-13 12:08:54] [ 1.868112] Any video related functionality will be severely degraded, and you may not even be able to suspend the system properly
[2020-09-13 12:08:54] [ 1.868113] Unless you actually understand what nomodeset does, you should reboot without enabling it
[2020-09-13 12:08:54] [ 1.868450] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[2020-09-13 12:08:54] [ 1.868581] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[2020-09-13 12:08:54] [ 1.869013] mem auto-init: stack:byref_all, heap alloc:off, heap free:off
[2020-09-13 12:08:54] [ 1.881471] Memory: 265608K/4012668K available (14339K kernel code, 2479K rwdata, 5144K rodata, 2956K init, 5944K bss, 3747060K reserved, 0K cma-reserved)
[2020-09-13 12:08:54] [ 1.881481] random: get_random_u64 called from kmem_cache_open+0x26/0x230 with crng_init=0
[2020-09-13 12:08:54] [ 1.881814] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[2020-09-13 12:08:54] [ 1.882673] ftrace: allocating 47075 entries in 184 pages
[2020-09-13 12:08:54] [ 1.904269] ftrace: allocated 184 pages with 4 groups
[2020-09-13 12:08:54] [ 1.904672] rcu: Hierarchical RCU implementation.
[2020-09-13 12:08:54] [ 1.904674] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
[2020-09-13 12:08:54] [ 1.904675] Trampoline variant of Tasks RCU enabled.
[2020-09-13 12:08:54] [ 1.904676] Rude variant of Tasks RCU enabled.
[2020-09-13 12:08:54] [ 1.904677] Tracing variant of Tasks RCU enabled.
[2020-09-13 12:08:54] [ 1.904678] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
[2020-09-13 12:08:54] [ 1.904679] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[2020-09-13 12:08:54] [ 1.911485] Using NULL legacy PIC
[2020-09-13 12:08:54] [ 1.911487] NR_IRQS: 524544, nr_irqs: 48, preallocated irqs: 0
[2020-09-13 12:08:54] [ 1.911548] xen:events: Using FIFO-based ABI
[2020-09-13 12:08:54] [ 1.911811] random: crng done (trusting CPU's manufacturer)
[2020-09-13 12:08:54] [ 1.911858] Console: colour dummy device 80x25
[2020-09-13 12:08:54] [ 1.911946] printk: console [tty0] enabled
[2020-09-13 12:08:54] [ 1.912691] printk: console [hvc0] enabled
[2020-09-13 12:08:54] [ 1.912737] clocksource: xen: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[2020-09-13 12:08:54] [ 1.912758] installing Xen timer for CPU 0
[2020-09-13 12:08:54] [ 1.912806] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fd3b0b04b0, max_idle_ns: 440795253801 ns
[2020-09-13 12:08:54] [ 1.912823] Calibrating delay loop (skipped), value calculated using timer frequency.. 4415.98 BogoMIPS (lpj=2207992)
[2020-09-13 12:08:54] [ 1.912838] pid_max: default: 32768 minimum: 301
[2020-09-13 12:08:54] [ 1.912952] LSM: Security Framework initializing
[2020-09-13 12:08:54] [ 1.912976] Yama: becoming mindful.
[2020-09-13 12:08:54] [ 1.913053] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[2020-09-13 12:08:54] [ 1.913074] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[2020-09-13 12:08:54] [ 1.914022] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[2020-09-13 12:08:54] [ 1.914035] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[2020-09-13 12:08:54] [ 1.914049] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[2020-09-13 12:08:54] [ 1.914063] Spectre V2 : Mitigation: Full generic retpoline
[2020-09-13 12:08:54] [ 1.914070] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[2020-09-13 12:08:54] [ 1.914084] Spectre V2 : Enabling Restricted Speculation for firmware calls
[2020-09-13 12:08:54] [ 1.914094] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[2020-09-13 12:08:54] [ 1.914106] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl
[2020-09-13 12:08:54] [ 1.914117] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp
[2020-09-13 12:08:54] [ 1.914131] SRBDS: Unknown: Dependent on hypervisor status
[2020-09-13 12:08:54] [ 1.914139] MDS: Mitigation: Clear CPU buffers
[2020-09-13 12:08:54] [ 2.010217] cpu 0 spinlock event irq 1
[2020-09-13 12:08:54] [ 2.010235] VPMU disabled by hypervisor.
[2020-09-13 12:08:54] [ 2.010643] Performance Events: unsupported p6 CPU model 158 no PMU driver, software events only.
[2020-09-13 12:08:54] [ 2.010766] rcu: Hierarchical SRCU implementation.
[2020-09-13 12:08:54] [ 2.011341] NMI watchdog: Perf NMI watchdog permanently disabled
[2020-09-13 12:08:54] [ 2.011435] smp: Bringing up secondary CPUs ...
[2020-09-13 12:08:54] [ 2.011691] installing Xen timer for CPU 1
[2020-09-13 12:08:54] [ 2.011739] SMP alternatives: switching to SMP code
[2020-09-13 12:08:54] [ 2.106109] cpu 1 spinlock event irq 13
[2020-09-13 12:08:54] [ 2.107108] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[2020-09-13 12:08:54] [ 2.107357] smp: Brought up 1 node, 2 CPUs
[2020-09-13 12:08:54] [ 2.107366] smpboot: Max logical packages: 1
[2020-09-13 12:08:54] [ 2.107628] devtmpfs: initialized
[2020-09-13 12:08:54] [ 2.107628] x86/mm: Memory block size: 128MB
[2020-09-13 12:08:54] [ 2.108197] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[2020-09-13 12:08:54] [ 2.108197] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[2020-09-13 12:08:54] [ 2.108197] xor: automatically using best checksumming function avx
[2020-09-13 12:08:54] [ 2.108197] pinctrl core: initialized pinctrl subsystem
[2020-09-13 12:08:54] [ 2.127441] PM: RTC time: 165:165:165, date: 2065-165-165
[2020-09-13 12:08:54] [ 2.127484] thermal_sys: Registered thermal governor 'fair_share'
[2020-09-13 12:08:54] [ 2.127485] thermal_sys: Registered thermal governor 'bang_bang'
[2020-09-13 12:08:54] [ 2.127494] thermal_sys: Registered thermal governor 'step_wise'
[2020-09-13 12:08:54] [ 2.127503] thermal_sys: Registered thermal governor 'user_space'
[2020-09-13 12:08:54] [ 2.128868] NET: Registered protocol family 16
[2020-09-13 12:08:54] [ 2.128868] xen:grant_table: Grant tables using version 1 layout
[2020-09-13 12:08:54] [ 2.128868] Grant table initialized
[2020-09-13 12:08:54] [ 2.128868] DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations
[2020-09-13 12:08:54] [ 2.128868] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[2020-09-13 12:08:54] [ 2.128868] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[2020-09-13 12:08:54] [ 2.128868] audit: initializing netlink subsys (disabled)
[2020-09-13 12:08:54] [ 2.128884] audit: type=2000 audit(1600013334.253:1): state=initialized audit_enabled=0 res=1
[2020-09-13 12:08:54] [ 2.130838] PCI: setting up Xen PCI frontend stub
[2020-09-13 12:08:54] [ 2.293006] cryptd: max_cpu_qlen set to 1000
[2020-09-13 12:08:54] [ 2.299932] alg: No test for 842 (842-generic)
[2020-09-13 12:08:54] [ 2.299932] alg: No test for 842 (842-scomp)
[2020-09-13 12:08:54] [ 2.305072] raid6: skip pq benchmark and using algorithm avx2x4
[2020-09-13 12:08:54] [ 2.305072] raid6: using avx2x2 recovery algorithm
[2020-09-13 12:08:54] [ 2.305072] fbcon: Taking over console
[2020-09-13 12:08:54] [ 2.305072] ACPI: Interpreter disabled.
[2020-09-13 12:08:54] [ 2.305072] xen:balloon: Initialising balloon driver
[2020-09-13 12:08:54] [ 2.360961] iommu: Default domain type: Translated
[2020-09-13 12:08:54] [ 2.361041] vgaarb: loaded
[2020-09-13 12:08:54] [ 2.361844] SCSI subsystem initialized
[2020-09-13 12:08:54] [ 2.361978] usbcore: registered new interface driver usbfs
[2020-09-13 12:08:54] [ 2.361998] usbcore: registered new interface driver hub
[2020-09-13 12:08:54] [ 2.362034] usbcore: registered new device driver usb
[2020-09-13 12:08:54] [ 2.362067] pps_core: LinuxPPS API ver. 1 registered
[2020-09-13 12:08:54] [ 2.362075] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[2020-09-13 12:08:54] [ 2.362090] PTP clock support registered
[2020-09-13 12:08:54] [ 2.362156] EDAC MC: Ver: 3.0.0
[2020-09-13 12:08:54] [ 2.362156] NetLabel: Initializing
[2020-09-13 12:08:54] [ 2.362156] NetLabel: domain hash size = 128
[2020-09-13 12:08:54] [ 2.362156] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[2020-09-13 12:08:54] [ 2.362156] NetLabel: unlabeled traffic allowed by default
[2020-09-13 12:08:54] [ 2.362156] PCI: System does not support PCI
[2020-09-13 12:08:54] [ 2.362156] clocksource: Switched to clocksource xen
[2020-09-13 12:08:54] [ 2.379374] VFS: Disk quotas dquot_6.6.0
[2020-09-13 12:08:54] [ 2.379466] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[2020-09-13 12:08:54] [ 2.379573] hugetlbfs: disabling because there are no supported hugepage sizes
[2020-09-13 12:08:54] [ 2.379670] pnp: PnP ACPI: disabled
[2020-09-13 12:08:54] [ 2.383919] NET: Registered protocol family 2
[2020-09-13 12:08:54] [ 2.384082] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)
[2020-09-13 12:08:54] [ 2.384104] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)
[2020-09-13 12:08:54] [ 2.384166] TCP bind hash table entries: 32768 (order: 7, 524288 bytes, linear)
[2020-09-13 12:08:54] [ 2.384232] TCP: Hash tables configured (established 32768 bind 32768)
[2020-09-13 12:08:54] [ 2.384361] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear)
[2020-09-13 12:08:54] [ 2.384381] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear)
[2020-09-13 12:08:54] [ 2.384571] NET: Registered protocol family 1
[2020-09-13 12:08:54] [ 2.384589] NET: Registered protocol family 44
[2020-09-13 12:08:54] [ 2.384600] PCI: CLS 0 bytes, default 64
[2020-09-13 12:08:54] [ 2.384639] Trying to unpack rootfs image as initramfs...
[2020-09-13 12:08:54] [ 2.395202] Freeing initrd memory: 18420K
[2020-09-13 12:08:54] [ 2.396079] Initialise system trusted keyrings
[2020-09-13 12:08:54] [ 2.396120] Key type blacklist registered
[2020-09-13 12:08:54] [ 2.396251] workingset: timestamp_bits=36 max_order=17 bucket_order=0
[2020-09-13 12:08:54] [ 2.397568] zbud: loaded
[2020-09-13 12:08:54] [ 2.398081] integrity: Platform Keyring initialized
[2020-09-13 12:08:54] [ 2.409194] NET: Registered protocol family 38
[2020-09-13 12:08:54] [ 2.409211] Key type asymmetric registered
[2020-09-13 12:08:54] [ 2.409218] Asymmetric key parser 'x509' registered
[2020-09-13 12:08:54] [ 2.409242] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245)
[2020-09-13 12:08:54] [ 2.409354] io scheduler mq-deadline registered
[2020-09-13 12:08:54] [ 2.409364] io scheduler kyber registered
[2020-09-13 12:08:54] [ 2.409412] io scheduler bfq registered
[2020-09-13 12:08:54] [ 2.409510] atomic64_test: passed for x86-64 platform with CX8 and with SSE
[2020-09-13 12:08:54] [ 2.410350] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
[2020-09-13 12:08:54] [ 2.412720] Non-volatile memory driver v1.3
[2020-09-13 12:08:54] [ 2.412775] Linux agpgart interface v0.103
[2020-09-13 12:08:54] [ 2.413238] libphy: Fixed MDIO Bus: probed
[2020-09-13 12:08:54] [ 2.413351] usbcore: registered new interface driver usbserial_generic
[2020-09-13 12:08:54] [ 2.413364] usbserial: USB Serial support registered for generic
[2020-09-13 12:08:54] [ 2.413385] i8042: PNP: No PS/2 controller found.
[2020-09-13 12:08:54] [ 2.413393] i8042: Probing ports directly.
[2020-09-13 12:08:55] [ 3.455635] i8042: No controller found
[2020-09-13 12:08:55] [ 3.455797] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fd3b0b04b0, max_idle_ns: 440795253801 ns
[2020-09-13 12:08:55] [ 3.455863] mousedev: PS/2 mouse device common for all mice
[2020-09-13 12:08:55] [ 3.456000] device-mapper: uevent: version 1.0.3
[2020-09-13 12:08:55] [ 3.456083] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com
[2020-09-13 12:08:55] [ 3.456181] intel_pstate: CPU model not supported
[2020-09-13 12:08:55] [ 3.456211] hid: raw HID events driver (C) Jiri Kosina
[2020-09-13 12:08:55] [ 3.456251] usbcore: registered new interface driver usbhid
[2020-09-13 12:08:55] [ 3.456259] usbhid: USB HID core driver
[2020-09-13 12:08:55] [ 3.456316] BUG: unable to handle page fault for address: ffffc9000096b818
[2020-09-13 12:08:55] [ 3.456326] #PF: supervisor read access in kernel mode
[2020-09-13 12:08:55] [ 3.456333] #PF: error_code(0x0000) - not-present page
[2020-09-13 12:08:55] [ 3.456341] PGD 18829067 P4D 18829067 PUD 18828067 PMD 1355b067 PTE 0
[2020-09-13 12:08:55] [ 3.456352] Oops: 0000 [#1] SMP NOPTI
[2020-09-13 12:08:55] [ 3.456359] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.8.5-1.qubes.x86_64 #1
[2020-09-13 12:08:55] [ 3.456374] RIP: e030:pmc_core_probe+0x138/0x190
[2020-09-13 12:08:55] [ 3.456382] Code: 82 48 c7 c7 68 f3 24 83 e8 f5 5f 77 ff 48 8b 05 4e a6 87 01 48 c7 83 88 00 00 00 40 f3 24 83 48 63 40 4c 48 03 05 30 a6 87 01 <8b> 00 48 8b 15 2f a6 87 01 48 c7 c7 80 db 13 82 8b 4a 50 ba 01 00
[2020-09-13 12:08:55] [ 3.456405] RSP: e02b:ffffc9000080bc28 EFLAGS: 00010286
[2020-09-13 12:08:55] [ 3.456414] RAX: ffffc9000096b818 RBX: ffffffff827ee180 RCX: 00000000fe002000
[2020-09-13 12:08:55] [ 3.456425] RDX: ffffffff8324f320 RSI: ffffffff8245d710 RDI: ffffffff8324f368
[2020-09-13 12:08:55] [ 3.456435] RBP: ffffffff827ee190 R08: 0000000000000000 R09: 00000000fe001fff
[2020-09-13 12:08:55] [ 3.456445] R10: 0000000000007ff0 R11: ffff888012d048c0 R12: 0000000000000000
[2020-09-13 12:08:55] [ 3.456455] R13: 0000000000000000 R14: 0000000000000000 R15: 64eb6bcdd2d8f073
[2020-09-13 12:08:55] [ 3.456478] FS: 0000000000000000(0000) GS:ffff888014000000(0000) knlGS:0000000000000000
[2020-09-13 12:08:55] [ 3.456489] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[2020-09-13 12:08:55] [ 3.456497] CR2: ffffc9000096b818 CR3: 000000000260a000 CR4: 0000000000040660
[2020-09-13 12:08:55] [ 3.456514] Call Trace:
[2020-09-13 12:08:55] [ 3.456523] platform_drv_probe+0x35/0x80
[2020-09-13 12:08:55] [ 3.456531] really_probe+0x2cd/0x400
[2020-09-13 12:08:55] [ 3.456538] driver_probe_device+0xe1/0x150
[2020-09-13 12:08:55] [ 3.456545] ? driver_allows_async_probing+0x50/0x50
[2020-09-13 12:08:55] [ 3.456555] bus_for_each_drv+0x8f/0xd0
[2020-09-13 12:08:55] [ 3.456562] __device_attach+0xe9/0x1e0
[2020-09-13 12:08:55] [ 3.456569] bus_probe_device+0x8e/0xa0
[2020-09-13 12:08:55] [ 3.456576] device_add+0x38d/0x680
[2020-09-13 12:08:55] [ 3.456583] platform_device_add+0x105/0x230
[2020-09-13 12:08:55] [ 3.456594] ? pmc_core_driver_init+0x40/0x40
[2020-09-13 12:08:55] [ 3.456603] do_one_initcall+0x59/0x220
[2020-09-13 12:08:55] [ 3.456612] do_initcalls+0x112/0x16f
[2020-09-13 12:08:55] [ 3.456620] kernel_init_freeable+0x170/0x22d
[2020-09-13 12:08:55] [ 3.456630] ? rest_init+0xaa/0xaa
[2020-09-13 12:08:55] [ 3.456637] kernel_init+0xa/0x106
[2020-09-13 12:08:55] [ 3.456644] ret_from_fork+0x22/0x30
[2020-09-13 12:08:55] [ 3.456651] Modules linked in:
[2020-09-13 12:08:55] [ 3.456658] CR2: ffffc9000096b818
[2020-09-13 12:08:55] [ 3.456669] ---[ end trace 7604e0e19a308f23 ]---
[2020-09-13 12:08:55] [ 3.456679] RIP: e030:pmc_core_probe+0x138/0x190
[2020-09-13 12:08:55] [ 3.456686] Code: 82 48 c7 c7 68 f3 24 83 e8 f5 5f 77 ff 48 8b 05 4e a6 87 01 48 c7 83 88 00 00 00 40 f3 24 83 48 63 40 4c 48 03 05 30 a6 87 01 <8b> 00 48 8b 15 2f a6 87 01 48 c7 c7 80 db 13 82 8b 4a 50 ba 01 00
[2020-09-13 12:08:55] [ 3.456713] RSP: e02b:ffffc9000080bc28 EFLAGS: 00010286
[2020-09-13 12:08:55] [ 3.456721] RAX: ffffc9000096b818 RBX: ffffffff827ee180 RCX: 00000000fe002000
[2020-09-13 12:08:55] [ 3.456764] RDX: ffffffff8324f320 RSI: ffffffff8245d710 RDI: ffffffff8324f368
[2020-09-13 12:08:55] [ 3.456775] RBP: ffffffff827ee190 R08: 0000000000000000 R09: 00000000fe001fff
[2020-09-13 12:08:55] [ 3.456785] R10: 0000000000007ff0 R11: ffff888012d048c0 R12: 0000000000000000
[2020-09-13 12:08:55] [ 3.456795] R13: 0000000000000000 R14: 0000000000000000 R15: 64eb6bcdd2d8f073
[2020-09-13 12:08:55] [ 3.456815] FS: 0000000000000000(0000) GS:ffff888014000000(0000) knlGS:0000000000000000
[2020-09-13 12:08:55] [ 3.456828] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[2020-09-13 12:08:55] [ 3.456833] CR2: ffffc9000096b818 CR3: 000000000260a000 CR4: 0000000000040660
[2020-09-13 12:08:55] [ 3.456833] Kernel panic - not syncing: Fatal exception
[2020-09-13 12:08:55] [ 3.456833] Kernel Offset: disabled
```
</details>