Public bug reported:

Upgrading from 19.04 to 19.10 on two of my pc does the same thing.
the upgrade is ok , boot ok, but after some time, and never the same, every app 
is crashing
unable to reboot.
i manage a reset with the pc button, but after that kernel panic and no boot.
every kernel listed is having a panic.
only chance after that is clonezilla and turn back to previous image 19.04 that 
i saved.
unable to enter recovery menu.
grub works
bios secure boot disabled.

   description: Computer
    width: 64 bits
    capabilities: smp vsyscall32
  *-core
       description: Motherboard
       physical id: 0
     *-memory
          description: System memory
          physical id: 0
          size: 13GiB
     *-cpu
          product: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
          vendor: Intel Corp.
          physical id: 1
          bus info: cpu@0
          size: 3715MHz
          capacity: 3900MHz
          width: 64 bits
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 
apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht 
tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good 
nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl 
vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt 
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd 
ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms 
xsaveopt dtherm ida arat pln pts md_clear flush_l1d cpufreq
     *-pci
          description: Host bridge
          product: Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 09
          width: 32 bits
          clock: 33MHz
          configuration: driver=ivb_uncore
          resources: irq:0
        *-pci:0
             description: PCI bridge
             product: Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root 
Port
             vendor: Intel Corporation
             physical id: 1
             bus info: pci@0000:00:01.0
             version: 09
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:16 ioport:e000(size=4096) memory:f7e00000-f7efffff 
ioport:e0000000(size=268435456)
           *-display
                description: VGA compatible controller
                product: Turks XT [Radeon HD 6670/7670]
                vendor: Advanced Micro Devices, Inc. [AMD/ATI]
                physical id: 0
                bus info: pci@0000:01:00.0
                version: 00
                width: 64 bits
                clock: 33MHz
                capabilities: vga_controller bus_master cap_list rom
                configuration: driver=radeon latency=0
                resources: irq:27 memory:e0000000-efffffff 
memory:f7e20000-f7e3ffff ioport:e000(size=256) memory:c0000-dffff
           *-multimedia
                description: Audio device
                product: Turks HDMI Audio [Radeon HD 6500/6600 / 6700M Series]
                vendor: Advanced Micro Devices, Inc. [AMD/ATI]
                physical id: 0.1
                bus info: pci@0000:01:00.1
                version: 00
                width: 64 bits
                clock: 33MHz
                capabilities: bus_master cap_list
                configuration: driver=snd_hda_intel latency=0
                resources: irq:30 memory:f7e40000-f7e43fff
        *-usb:0
             description: USB controller
             product: 7 Series/C210 Series Chipset Family USB xHCI Host 
Controller
             vendor: Intel Corporation
             physical id: 14
             bus info: pci@0000:00:14.0
             version: 04
             width: 64 bits
             clock: 33MHz
             capabilities: xhci bus_master cap_list
             configuration: driver=xhci_hcd latency=0
             resources: irq:25 memory:f7f00000-f7f0ffff
        *-communication
             description: Communication controller
             product: 7 Series/C216 Chipset Family MEI Controller #1
             vendor: Intel Corporation
             physical id: 16
             bus info: pci@0000:00:16.0
             version: 04
             width: 64 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=mei_me latency=0
             resources: irq:28 memory:f7f1a000-f7f1a00f
        *-usb:1
             description: USB controller
             product: 7 Series/C216 Chipset Family USB Enhanced Host Controller 
#2
             vendor: Intel Corporation
             physical id: 1a
             bus info: pci@0000:00:1a.0
             version: 04
             width: 32 bits
             clock: 33MHz
             capabilities: ehci bus_master cap_list
             configuration: driver=ehci-pci latency=0
             resources: irq:16 memory:f7f18000-f7f183ff
        *-multimedia
             description: Audio device
             product: 7 Series/C216 Chipset Family High Definition Audio 
Controller
             vendor: Intel Corporation
             physical id: 1b
             bus info: pci@0000:00:1b.0
             version: 04
             width: 64 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=snd_hda_intel latency=0
             resources: irq:29 memory:f7f10000-f7f13fff
        *-pci:1
             description: PCI bridge
             product: 7 Series/C216 Chipset Family PCI Express Root Port 1
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@0000:00:1c.0
             version: c4
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:16
        *-pci:2
             description: PCI bridge
             product: 7 Series/C210 Series Chipset Family PCI Express Root Port 
3
             vendor: Intel Corporation
             physical id: 1c.2
             bus info: pci@0000:00:1c.2
             version: c4
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:18 ioport:d000(size=4096) memory:f7d00000-f7dfffff
           *-network
                description: Ethernet interface
                product: AR8161 Gigabit Ethernet
                vendor: Qualcomm Atheros
                physical id: 0
                bus info: pci@0000:03:00.0
                logical name: enp3s0
                version: 10
                serial: 90:2b:34:5e:a2:2c
                size: 1Gbit/s
                capacity: 1Gbit/s
                width: 64 bits
                clock: 33MHz
                capabilities: bus_master cap_list ethernet physical tp 10bt 
10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=alx 
duplex=full ip=192.168.0.2 latency=0 link=yes multicast=yes port=twisted pair 
speed=1Gbit/s
                resources: irq:18 memory:f7d00000-f7d3ffff ioport:d000(size=128)
        *-pci:3
             description: PCI bridge
             product: 7 Series/C216 Chipset Family PCI Express Root Port 4
             vendor: Intel Corporation
             physical id: 1c.3
             bus info: pci@0000:00:1c.3
             version: c4
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:19
           *-pci
                description: PCI bridge
                product: 82801 PCI Bridge
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:04:00.0
                version: 41
                width: 64 bits
                clock: 33MHz
                capabilities: pci subtractive_decode bus_master cap_list
                resources: iomemory:222001f10-222001f0f
        *-usb:2
             description: USB controller
             product: 7 Series/C216 Chipset Family USB Enhanced Host Controller 
#1
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: 04
             width: 32 bits
             clock: 33MHz
             capabilities: ehci bus_master cap_list
             configuration: driver=ehci-pci latency=0
             resources: irq:23 memory:f7f17000-f7f173ff
        *-isa
             description: ISA bridge
             product: Z77 Express Chipset LPC Controller
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 04
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master cap_list
             configuration: driver=lpc_ich latency=0
             resources: irq:0
        *-storage
             description: SATA controller
             product: 7 Series/C210 Series Chipset Family 6-port SATA 
Controller [AHCI mode]
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@0000:00:1f.2
             version: 04
             width: 32 bits
             clock: 66MHz
             capabilities: storage ahci_1.0 bus_master cap_list
             configuration: driver=ahci latency=0
             resources: irq:26 ioport:f070(size=8) ioport:f060(size=4) 
ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) 
memory:f7f16000-f7f167ff
        *-serial UNCLAIMED
             description: SMBus
             product: 7 Series/C216 Chipset Family SMBus Controller
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             version: 04
             width: 64 bits
             clock: 33MHz
             configuration: latency=0
             resources: memory:f7f15000-f7f150ff ioport:f000(size=32)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: disco

** Attachment added: "IMG_20191023_062256.jpg"
   
https://bugs.launchpad.net/bugs/1849419/+attachment/5299338/+files/IMG_20191023_062256.jpg

** Description changed:

  Upgrading from 19.04 to 19.10 on two of my pc does the same thing.
  the upgrade is ok , boot ok, but after some time, and never the same, every 
app is crashing
  unable to reboot.
  i manage a reset with the pc button, but after that kernel panic and no boot.
  every kernel listed is having a panic.
+ only chance after that is clonezilla and turn back to previous image 19.04 
that i saved.
+ unable to enter recovery menu.
+ grub works
+ bios secure boot disabled.
  
-    description: Computer
-     width: 64 bits
-     capabilities: smp vsyscall32
-   *-core
-        description: Motherboard
-        physical id: 0
-      *-memory
-           description: System memory
-           physical id: 0
-           size: 13GiB
-      *-cpu
-           product: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
-           vendor: Intel Corp.
-           physical id: 1
-           bus info: cpu@0
-           size: 3715MHz
-           capacity: 3900MHz
-           width: 64 bits
-           capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 
apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht 
tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good 
nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl 
vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt 
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd 
ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms 
xsaveopt dtherm ida arat pln pts md_clear flush_l1d cpufreq
-      *-pci
-           description: Host bridge
-           product: Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
-           vendor: Intel Corporation
-           physical id: 100
-           bus info: pci@0000:00:00.0
-           version: 09
-           width: 32 bits
-           clock: 33MHz
-           configuration: driver=ivb_uncore
-           resources: irq:0
-         *-pci:0
-              description: PCI bridge
-              product: Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root 
Port
-              vendor: Intel Corporation
-              physical id: 1
-              bus info: pci@0000:00:01.0
-              version: 09
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:16 ioport:e000(size=4096) 
memory:f7e00000-f7efffff ioport:e0000000(size=268435456)
-            *-display
-                 description: VGA compatible controller
-                 product: Turks XT [Radeon HD 6670/7670]
-                 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
-                 physical id: 0
-                 bus info: pci@0000:01:00.0
-                 version: 00
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: vga_controller bus_master cap_list rom
-                 configuration: driver=radeon latency=0
-                 resources: irq:27 memory:e0000000-efffffff 
memory:f7e20000-f7e3ffff ioport:e000(size=256) memory:c0000-dffff
-            *-multimedia
-                 description: Audio device
-                 product: Turks HDMI Audio [Radeon HD 6500/6600 / 6700M Series]
-                 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
-                 physical id: 0.1
-                 bus info: pci@0000:01:00.1
-                 version: 00
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: bus_master cap_list
-                 configuration: driver=snd_hda_intel latency=0
-                 resources: irq:30 memory:f7e40000-f7e43fff
-         *-usb:0
-              description: USB controller
-              product: 7 Series/C210 Series Chipset Family USB xHCI Host 
Controller
-              vendor: Intel Corporation
-              physical id: 14
-              bus info: pci@0000:00:14.0
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              capabilities: xhci bus_master cap_list
-              configuration: driver=xhci_hcd latency=0
-              resources: irq:25 memory:f7f00000-f7f0ffff
-         *-communication
-              description: Communication controller
-              product: 7 Series/C216 Chipset Family MEI Controller #1
-              vendor: Intel Corporation
-              physical id: 16
-              bus info: pci@0000:00:16.0
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              capabilities: bus_master cap_list
-              configuration: driver=mei_me latency=0
-              resources: irq:28 memory:f7f1a000-f7f1a00f
-         *-usb:1
-              description: USB controller
-              product: 7 Series/C216 Chipset Family USB Enhanced Host 
Controller #2
-              vendor: Intel Corporation
-              physical id: 1a
-              bus info: pci@0000:00:1a.0
-              version: 04
-              width: 32 bits
-              clock: 33MHz
-              capabilities: ehci bus_master cap_list
-              configuration: driver=ehci-pci latency=0
-              resources: irq:16 memory:f7f18000-f7f183ff
-         *-multimedia
-              description: Audio device
-              product: 7 Series/C216 Chipset Family High Definition Audio 
Controller
-              vendor: Intel Corporation
-              physical id: 1b
-              bus info: pci@0000:00:1b.0
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              capabilities: bus_master cap_list
-              configuration: driver=snd_hda_intel latency=0
-              resources: irq:29 memory:f7f10000-f7f13fff
-         *-pci:1
-              description: PCI bridge
-              product: 7 Series/C216 Chipset Family PCI Express Root Port 1
-              vendor: Intel Corporation
-              physical id: 1c
-              bus info: pci@0000:00:1c.0
-              version: c4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:16
-         *-pci:2
-              description: PCI bridge
-              product: 7 Series/C210 Series Chipset Family PCI Express Root 
Port 3
-              vendor: Intel Corporation
-              physical id: 1c.2
-              bus info: pci@0000:00:1c.2
-              version: c4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:18 ioport:d000(size=4096) memory:f7d00000-f7dfffff
-            *-network
-                 description: Ethernet interface
-                 product: AR8161 Gigabit Ethernet
-                 vendor: Qualcomm Atheros
-                 physical id: 0
-                 bus info: pci@0000:03:00.0
-                 logical name: enp3s0
-                 version: 10
-                 serial: 90:2b:34:5e:a2:2c
-                 size: 1Gbit/s
-                 capacity: 1Gbit/s
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: bus_master cap_list ethernet physical tp 10bt 
10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
-                 configuration: autonegotiation=on broadcast=yes driver=alx 
duplex=full ip=192.168.0.2 latency=0 link=yes multicast=yes port=twisted pair 
speed=1Gbit/s
-                 resources: irq:18 memory:f7d00000-f7d3ffff 
ioport:d000(size=128)
-         *-pci:3
-              description: PCI bridge
-              product: 7 Series/C216 Chipset Family PCI Express Root Port 4
-              vendor: Intel Corporation
-              physical id: 1c.3
-              bus info: pci@0000:00:1c.3
-              version: c4
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:19
-            *-pci
-                 description: PCI bridge
-                 product: 82801 PCI Bridge
-                 vendor: Intel Corporation
-                 physical id: 0
-                 bus info: pci@0000:04:00.0
-                 version: 41
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: pci subtractive_decode bus_master cap_list
-                 resources: iomemory:222001f10-222001f0f
-         *-usb:2
-              description: USB controller
-              product: 7 Series/C216 Chipset Family USB Enhanced Host 
Controller #1
-              vendor: Intel Corporation
-              physical id: 1d
-              bus info: pci@0000:00:1d.0
-              version: 04
-              width: 32 bits
-              clock: 33MHz
-              capabilities: ehci bus_master cap_list
-              configuration: driver=ehci-pci latency=0
-              resources: irq:23 memory:f7f17000-f7f173ff
-         *-isa
-              description: ISA bridge
-              product: Z77 Express Chipset LPC Controller
-              vendor: Intel Corporation
-              physical id: 1f
-              bus info: pci@0000:00:1f.0
-              version: 04
-              width: 32 bits
-              clock: 33MHz
-              capabilities: isa bus_master cap_list
-              configuration: driver=lpc_ich latency=0
-              resources: irq:0
-         *-storage
-              description: SATA controller
-              product: 7 Series/C210 Series Chipset Family 6-port SATA 
Controller [AHCI mode]
-              vendor: Intel Corporation
-              physical id: 1f.2
-              bus info: pci@0000:00:1f.2
-              version: 04
-              width: 32 bits
-              clock: 66MHz
-              capabilities: storage ahci_1.0 bus_master cap_list
-              configuration: driver=ahci latency=0
-              resources: irq:26 ioport:f070(size=8) ioport:f060(size=4) 
ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) 
memory:f7f16000-f7f167ff
-         *-serial UNCLAIMED
-              description: SMBus
-              product: 7 Series/C216 Chipset Family SMBus Controller
-              vendor: Intel Corporation
-              physical id: 1f.3
-              bus info: pci@0000:00:1f.3
-              version: 04
-              width: 64 bits
-              clock: 33MHz
-              configuration: latency=0
-              resources: memory:f7f15000-f7f150ff ioport:f000(size=32)
+    description: Computer
+     width: 64 bits
+     capabilities: smp vsyscall32
+   *-core
+        description: Motherboard
+        physical id: 0
+      *-memory
+           description: System memory
+           physical id: 0
+           size: 13GiB
+      *-cpu
+           product: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
+           vendor: Intel Corp.
+           physical id: 1
+           bus info: cpu@0
+           size: 3715MHz
+           capacity: 3900MHz
+           width: 64 bits
+           capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 
apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht 
tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good 
nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl 
vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt 
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd 
ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms 
xsaveopt dtherm ida arat pln pts md_clear flush_l1d cpufreq
+      *-pci
+           description: Host bridge
+           product: Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
+           vendor: Intel Corporation
+           physical id: 100
+           bus info: pci@0000:00:00.0
+           version: 09
+           width: 32 bits
+           clock: 33MHz
+           configuration: driver=ivb_uncore
+           resources: irq:0
+         *-pci:0
+              description: PCI bridge
+              product: Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root 
Port
+              vendor: Intel Corporation
+              physical id: 1
+              bus info: pci@0000:00:01.0
+              version: 09
+              width: 32 bits
+              clock: 33MHz
+              capabilities: pci normal_decode bus_master cap_list
+              configuration: driver=pcieport
+              resources: irq:16 ioport:e000(size=4096) 
memory:f7e00000-f7efffff ioport:e0000000(size=268435456)
+            *-display
+                 description: VGA compatible controller
+                 product: Turks XT [Radeon HD 6670/7670]
+                 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
+                 physical id: 0
+                 bus info: pci@0000:01:00.0
+                 version: 00
+                 width: 64 bits
+                 clock: 33MHz
+                 capabilities: vga_controller bus_master cap_list rom
+                 configuration: driver=radeon latency=0
+                 resources: irq:27 memory:e0000000-efffffff 
memory:f7e20000-f7e3ffff ioport:e000(size=256) memory:c0000-dffff
+            *-multimedia
+                 description: Audio device
+                 product: Turks HDMI Audio [Radeon HD 6500/6600 / 6700M Series]
+                 vendor: Advanced Micro Devices, Inc. [AMD/ATI]
+                 physical id: 0.1
+                 bus info: pci@0000:01:00.1
+                 version: 00
+                 width: 64 bits
+                 clock: 33MHz
+                 capabilities: bus_master cap_list
+                 configuration: driver=snd_hda_intel latency=0
+                 resources: irq:30 memory:f7e40000-f7e43fff
+         *-usb:0
+              description: USB controller
+              product: 7 Series/C210 Series Chipset Family USB xHCI Host 
Controller
+              vendor: Intel Corporation
+              physical id: 14
+              bus info: pci@0000:00:14.0
+              version: 04
+              width: 64 bits
+              clock: 33MHz
+              capabilities: xhci bus_master cap_list
+              configuration: driver=xhci_hcd latency=0
+              resources: irq:25 memory:f7f00000-f7f0ffff
+         *-communication
+              description: Communication controller
+              product: 7 Series/C216 Chipset Family MEI Controller #1
+              vendor: Intel Corporation
+              physical id: 16
+              bus info: pci@0000:00:16.0
+              version: 04
+              width: 64 bits
+              clock: 33MHz
+              capabilities: bus_master cap_list
+              configuration: driver=mei_me latency=0
+              resources: irq:28 memory:f7f1a000-f7f1a00f
+         *-usb:1
+              description: USB controller
+              product: 7 Series/C216 Chipset Family USB Enhanced Host 
Controller #2
+              vendor: Intel Corporation
+              physical id: 1a
+              bus info: pci@0000:00:1a.0
+              version: 04
+              width: 32 bits
+              clock: 33MHz
+              capabilities: ehci bus_master cap_list
+              configuration: driver=ehci-pci latency=0
+              resources: irq:16 memory:f7f18000-f7f183ff
+         *-multimedia
+              description: Audio device
+              product: 7 Series/C216 Chipset Family High Definition Audio 
Controller
+              vendor: Intel Corporation
+              physical id: 1b
+              bus info: pci@0000:00:1b.0
+              version: 04
+              width: 64 bits
+              clock: 33MHz
+              capabilities: bus_master cap_list
+              configuration: driver=snd_hda_intel latency=0
+              resources: irq:29 memory:f7f10000-f7f13fff
+         *-pci:1
+              description: PCI bridge
+              product: 7 Series/C216 Chipset Family PCI Express Root Port 1
+              vendor: Intel Corporation
+              physical id: 1c
+              bus info: pci@0000:00:1c.0
+              version: c4
+              width: 32 bits
+              clock: 33MHz
+              capabilities: pci normal_decode bus_master cap_list
+              configuration: driver=pcieport
+              resources: irq:16
+         *-pci:2
+              description: PCI bridge
+              product: 7 Series/C210 Series Chipset Family PCI Express Root 
Port 3
+              vendor: Intel Corporation
+              physical id: 1c.2
+              bus info: pci@0000:00:1c.2
+              version: c4
+              width: 32 bits
+              clock: 33MHz
+              capabilities: pci normal_decode bus_master cap_list
+              configuration: driver=pcieport
+              resources: irq:18 ioport:d000(size=4096) memory:f7d00000-f7dfffff
+            *-network
+                 description: Ethernet interface
+                 product: AR8161 Gigabit Ethernet
+                 vendor: Qualcomm Atheros
+                 physical id: 0
+                 bus info: pci@0000:03:00.0
+                 logical name: enp3s0
+                 version: 10
+                 serial: 90:2b:34:5e:a2:2c
+                 size: 1Gbit/s
+                 capacity: 1Gbit/s
+                 width: 64 bits
+                 clock: 33MHz
+                 capabilities: bus_master cap_list ethernet physical tp 10bt 
10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
+                 configuration: autonegotiation=on broadcast=yes driver=alx 
duplex=full ip=192.168.0.2 latency=0 link=yes multicast=yes port=twisted pair 
speed=1Gbit/s
+                 resources: irq:18 memory:f7d00000-f7d3ffff 
ioport:d000(size=128)
+         *-pci:3
+              description: PCI bridge
+              product: 7 Series/C216 Chipset Family PCI Express Root Port 4
+              vendor: Intel Corporation
+              physical id: 1c.3
+              bus info: pci@0000:00:1c.3
+              version: c4
+              width: 32 bits
+              clock: 33MHz
+              capabilities: pci normal_decode bus_master cap_list
+              configuration: driver=pcieport
+              resources: irq:19
+            *-pci
+                 description: PCI bridge
+                 product: 82801 PCI Bridge
+                 vendor: Intel Corporation
+                 physical id: 0
+                 bus info: pci@0000:04:00.0
+                 version: 41
+                 width: 64 bits
+                 clock: 33MHz
+                 capabilities: pci subtractive_decode bus_master cap_list
+                 resources: iomemory:222001f10-222001f0f
+         *-usb:2
+              description: USB controller
+              product: 7 Series/C216 Chipset Family USB Enhanced Host 
Controller #1
+              vendor: Intel Corporation
+              physical id: 1d
+              bus info: pci@0000:00:1d.0
+              version: 04
+              width: 32 bits
+              clock: 33MHz
+              capabilities: ehci bus_master cap_list
+              configuration: driver=ehci-pci latency=0
+              resources: irq:23 memory:f7f17000-f7f173ff
+         *-isa
+              description: ISA bridge
+              product: Z77 Express Chipset LPC Controller
+              vendor: Intel Corporation
+              physical id: 1f
+              bus info: pci@0000:00:1f.0
+              version: 04
+              width: 32 bits
+              clock: 33MHz
+              capabilities: isa bus_master cap_list
+              configuration: driver=lpc_ich latency=0
+              resources: irq:0
+         *-storage
+              description: SATA controller
+              product: 7 Series/C210 Series Chipset Family 6-port SATA 
Controller [AHCI mode]
+              vendor: Intel Corporation
+              physical id: 1f.2
+              bus info: pci@0000:00:1f.2
+              version: 04
+              width: 32 bits
+              clock: 66MHz
+              capabilities: storage ahci_1.0 bus_master cap_list
+              configuration: driver=ahci latency=0
+              resources: irq:26 ioport:f070(size=8) ioport:f060(size=4) 
ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) 
memory:f7f16000-f7f167ff
+         *-serial UNCLAIMED
+              description: SMBus
+              product: 7 Series/C216 Chipset Family SMBus Controller
+              vendor: Intel Corporation
+              physical id: 1f.3
+              bus info: pci@0000:00:1f.3
+              version: 04
+              width: 64 bits
+              clock: 33MHz
+              configuration: latency=0
+              resources: memory:f7f15000-f7f150ff ioport:f000(size=32)

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https://bugs.launchpad.net/bugs/1849419

Title:
  kernel panic after upgrading from 19.04 to 19.10

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Upgrading from 19.04 to 19.10 on two of my pc does the same thing.
  the upgrade is ok , boot ok, but after some time, and never the same, every 
app is crashing
  unable to reboot.
  i manage a reset with the pc button, but after that kernel panic and no boot.
  every kernel listed is having a panic.
  only chance after that is clonezilla and turn back to previous image 19.04 
that i saved.
  unable to enter recovery menu.
  grub works
  bios secure boot disabled.

     description: Computer
      width: 64 bits
      capabilities: smp vsyscall32
    *-core
         description: Motherboard
         physical id: 0
       *-memory
            description: System memory
            physical id: 0
            size: 13GiB
       *-cpu
            product: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
            vendor: Intel Corp.
            physical id: 1
            bus info: cpu@0
            size: 3715MHz
            capacity: 3900MHz
            width: 64 bits
            capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 
apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht 
tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good 
nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl 
vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt 
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd 
ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms 
xsaveopt dtherm ida arat pln pts md_clear flush_l1d cpufreq
       *-pci
            description: Host bridge
            product: Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
            vendor: Intel Corporation
            physical id: 100
            bus info: pci@0000:00:00.0
            version: 09
            width: 32 bits
            clock: 33MHz
            configuration: driver=ivb_uncore
            resources: irq:0
          *-pci:0
               description: PCI bridge
               product: Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root 
Port
               vendor: Intel Corporation
               physical id: 1
               bus info: pci@0000:00:01.0
               version: 09
               width: 32 bits
               clock: 33MHz
               capabilities: pci normal_decode bus_master cap_list
               configuration: driver=pcieport
               resources: irq:16 ioport:e000(size=4096) 
memory:f7e00000-f7efffff ioport:e0000000(size=268435456)
             *-display
                  description: VGA compatible controller
                  product: Turks XT [Radeon HD 6670/7670]
                  vendor: Advanced Micro Devices, Inc. [AMD/ATI]
                  physical id: 0
                  bus info: pci@0000:01:00.0
                  version: 00
                  width: 64 bits
                  clock: 33MHz
                  capabilities: vga_controller bus_master cap_list rom
                  configuration: driver=radeon latency=0
                  resources: irq:27 memory:e0000000-efffffff 
memory:f7e20000-f7e3ffff ioport:e000(size=256) memory:c0000-dffff
             *-multimedia
                  description: Audio device
                  product: Turks HDMI Audio [Radeon HD 6500/6600 / 6700M Series]
                  vendor: Advanced Micro Devices, Inc. [AMD/ATI]
                  physical id: 0.1
                  bus info: pci@0000:01:00.1
                  version: 00
                  width: 64 bits
                  clock: 33MHz
                  capabilities: bus_master cap_list
                  configuration: driver=snd_hda_intel latency=0
                  resources: irq:30 memory:f7e40000-f7e43fff
          *-usb:0
               description: USB controller
               product: 7 Series/C210 Series Chipset Family USB xHCI Host 
Controller
               vendor: Intel Corporation
               physical id: 14
               bus info: pci@0000:00:14.0
               version: 04
               width: 64 bits
               clock: 33MHz
               capabilities: xhci bus_master cap_list
               configuration: driver=xhci_hcd latency=0
               resources: irq:25 memory:f7f00000-f7f0ffff
          *-communication
               description: Communication controller
               product: 7 Series/C216 Chipset Family MEI Controller #1
               vendor: Intel Corporation
               physical id: 16
               bus info: pci@0000:00:16.0
               version: 04
               width: 64 bits
               clock: 33MHz
               capabilities: bus_master cap_list
               configuration: driver=mei_me latency=0
               resources: irq:28 memory:f7f1a000-f7f1a00f
          *-usb:1
               description: USB controller
               product: 7 Series/C216 Chipset Family USB Enhanced Host 
Controller #2
               vendor: Intel Corporation
               physical id: 1a
               bus info: pci@0000:00:1a.0
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: ehci bus_master cap_list
               configuration: driver=ehci-pci latency=0
               resources: irq:16 memory:f7f18000-f7f183ff
          *-multimedia
               description: Audio device
               product: 7 Series/C216 Chipset Family High Definition Audio 
Controller
               vendor: Intel Corporation
               physical id: 1b
               bus info: pci@0000:00:1b.0
               version: 04
               width: 64 bits
               clock: 33MHz
               capabilities: bus_master cap_list
               configuration: driver=snd_hda_intel latency=0
               resources: irq:29 memory:f7f10000-f7f13fff
          *-pci:1
               description: PCI bridge
               product: 7 Series/C216 Chipset Family PCI Express Root Port 1
               vendor: Intel Corporation
               physical id: 1c
               bus info: pci@0000:00:1c.0
               version: c4
               width: 32 bits
               clock: 33MHz
               capabilities: pci normal_decode bus_master cap_list
               configuration: driver=pcieport
               resources: irq:16
          *-pci:2
               description: PCI bridge
               product: 7 Series/C210 Series Chipset Family PCI Express Root 
Port 3
               vendor: Intel Corporation
               physical id: 1c.2
               bus info: pci@0000:00:1c.2
               version: c4
               width: 32 bits
               clock: 33MHz
               capabilities: pci normal_decode bus_master cap_list
               configuration: driver=pcieport
               resources: irq:18 ioport:d000(size=4096) memory:f7d00000-f7dfffff
             *-network
                  description: Ethernet interface
                  product: AR8161 Gigabit Ethernet
                  vendor: Qualcomm Atheros
                  physical id: 0
                  bus info: pci@0000:03:00.0
                  logical name: enp3s0
                  version: 10
                  serial: 90:2b:34:5e:a2:2c
                  size: 1Gbit/s
                  capacity: 1Gbit/s
                  width: 64 bits
                  clock: 33MHz
                  capabilities: bus_master cap_list ethernet physical tp 10bt 
10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                  configuration: autonegotiation=on broadcast=yes driver=alx 
duplex=full ip=192.168.0.2 latency=0 link=yes multicast=yes port=twisted pair 
speed=1Gbit/s
                  resources: irq:18 memory:f7d00000-f7d3ffff 
ioport:d000(size=128)
          *-pci:3
               description: PCI bridge
               product: 7 Series/C216 Chipset Family PCI Express Root Port 4
               vendor: Intel Corporation
               physical id: 1c.3
               bus info: pci@0000:00:1c.3
               version: c4
               width: 32 bits
               clock: 33MHz
               capabilities: pci normal_decode bus_master cap_list
               configuration: driver=pcieport
               resources: irq:19
             *-pci
                  description: PCI bridge
                  product: 82801 PCI Bridge
                  vendor: Intel Corporation
                  physical id: 0
                  bus info: pci@0000:04:00.0
                  version: 41
                  width: 64 bits
                  clock: 33MHz
                  capabilities: pci subtractive_decode bus_master cap_list
                  resources: iomemory:222001f10-222001f0f
          *-usb:2
               description: USB controller
               product: 7 Series/C216 Chipset Family USB Enhanced Host 
Controller #1
               vendor: Intel Corporation
               physical id: 1d
               bus info: pci@0000:00:1d.0
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: ehci bus_master cap_list
               configuration: driver=ehci-pci latency=0
               resources: irq:23 memory:f7f17000-f7f173ff
          *-isa
               description: ISA bridge
               product: Z77 Express Chipset LPC Controller
               vendor: Intel Corporation
               physical id: 1f
               bus info: pci@0000:00:1f.0
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: isa bus_master cap_list
               configuration: driver=lpc_ich latency=0
               resources: irq:0
          *-storage
               description: SATA controller
               product: 7 Series/C210 Series Chipset Family 6-port SATA 
Controller [AHCI mode]
               vendor: Intel Corporation
               physical id: 1f.2
               bus info: pci@0000:00:1f.2
               version: 04
               width: 32 bits
               clock: 66MHz
               capabilities: storage ahci_1.0 bus_master cap_list
               configuration: driver=ahci latency=0
               resources: irq:26 ioport:f070(size=8) ioport:f060(size=4) 
ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) 
memory:f7f16000-f7f167ff
          *-serial UNCLAIMED
               description: SMBus
               product: 7 Series/C216 Chipset Family SMBus Controller
               vendor: Intel Corporation
               physical id: 1f.3
               bus info: pci@0000:00:1f.3
               version: 04
               width: 64 bits
               clock: 33MHz
               configuration: latency=0
               resources: memory:f7f15000-f7f150ff ioport:f000(size=32)

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