Thanks. Unfortunately that only shows minor app crashes in the past
month.
Looking back at your CurrentDmesg.txt though, I can see one kernel crash
which is probably more relevant:
[ 1878.739957] WARNING: CPU: 2 PID: 0 at
/build/linux-SlLHxe/linux-4.15.0/net/core/dev.c:5645 net_rx_action+0x2cb/0x3a0
[ 1878.739959] Modules linked in: rfcomm ccm pci_stub vboxpci(OE)
vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bbswitch(OE) bnep binfmt_misc
snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_dsp
snd_soc_sst_ipc snd_soc_acpi snd_soc_core snd_compress ac97_bus
snd_pcm_dmaengine snd_hda_codec_realtek intel_rapl snd_hda_codec_generic
x86_pkg_temp_thermal intel_powerclamp snd_hda_intel snd_hda_codec kvm_intel kvm
snd_hda_core irqbypass snd_hwdep crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel snd_pcm btusb pcbc arc4 aesni_intel snd_seq_midi
snd_seq_midi_event input_leds btrtl sch_fq_codel joydev aes_x86_64 btbcm
rtsx_pci_ms crypto_simd btintel bluetooth ath10k_pci snd_rawmidi serio_raw
ath10k_core ath glue_helper cryptd intel_cstate snd_seq snd_seq_device
snd_timer intel_rapl_perf
[ 1878.739987] intel_wmi_thunderbolt uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media snd mac80211
acer_wmi memstick ecdh_generic sparse_keymap wmi_bmof intel_pch_thermal
soundcore cfg80211 idma64 mei_me mei acpi_pad shpchp virt_dma intel_lpss_pci
intel_lpss mac_hid coretemp parport_pc ppdev lp parport ip_tables x_tables
autofs4 hid_generic usbhid hid i915 rtsx_pci_sdmmc i2c_algo_bit drm_kms_helper
syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse rtsx_pci r8169 mii drm
ahci libahci wmi video
[ 1878.740010] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G OE
4.15.0-34-generic #37-Ubuntu
[ 1878.740011] Hardware name: Acer Aspire E5-575G/Ironman_SK , BIOS V1.25
03/03/2017
[ 1878.740013] RIP: 0010:net_rx_action+0x2cb/0x3a0
[ 1878.740014] RSP: 0018:ffff8db72ed03ec8 EFLAGS: 00010297
[ 1878.740015] RAX: 0000000000000041 RBX: 0000000000000040 RCX: ffff8db71e2f1e28
[ 1878.740016] RDX: ffff8db4f4402000 RSI: 00000000fffffe01 RDI: ffffffffc084b280
[ 1878.740016] RBP: ffff8db72ed03f38 R08: 0000000000000002 R09: 0000000000000000
[ 1878.740017] R10: 0000000000002f30 R11: 0000000000000001 R12: 0000000000000000
[ 1878.740017] R13: 00000000ffffffff R14: 0000000000000003 R15: ffff8db71e2f7b60
[ 1878.740019] FS: 0000000000000000(0000) GS:ffff8db72ed00000(0000)
knlGS:0000000000000000
[ 1878.740019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1878.740020] CR2: 00007fa94f598000 CR3: 000000026180a002 CR4: 00000000003606e0
[ 1878.740021] Call Trace:
[ 1878.740022] <IRQ>
[ 1878.740025] __do_softirq+0xe4/0x2bb
[ 1878.740028] irq_exit+0xb8/0xc0
[ 1878.740029] do_IRQ+0x8a/0xd0
[ 1878.740031] common_interrupt+0x84/0x84
[ 1878.740031] </IRQ>
[ 1878.740034] RIP: 0010:cpuidle_enter_state+0xa7/0x2f0
[ 1878.740034] RSP: 0018:ffffa9d440d1be68 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffffd9
[ 1878.740035] RAX: ffff8db72ed22880 RBX: 000001b56d9c6a1a RCX: 000000000000001f
[ 1878.740036] RDX: 000001b56d9c6a1a RSI: fffffffb7a9ba1ce RDI: 0000000000000000
[ 1878.740037] RBP: ffffa9d440d1bea8 R08: 000000000000058c R09: 00000000000003c3
[ 1878.740037] R10: ffffa9d440d1be38 R11: 00000000000004fe R12: ffff8db72ed2c700
[ 1878.740038] R13: 0000000000000006 R14: ffffffffa0171d38 R15: 0000000000000000
[ 1878.740040] ? cpuidle_enter_state+0x97/0x2f0
[ 1878.740042] cpuidle_enter+0x17/0x20
[ 1878.740044] call_cpuidle+0x23/0x40
[ 1878.740045] do_idle+0x18c/0x1f0
[ 1878.740047] cpu_startup_entry+0x73/0x80
[ 1878.740048] start_secondary+0x1ab/0x200
[ 1878.740050] secondary_startup_64+0xa5/0xb0
[ 1878.740051] Code: 24 08 49 83 c4 18 89 d9 44 89 f2 4c 89 fe e8 dd 2c 3b 00
4d 8b 14 24 4d 85 d2 75 e1 4c 8b 65 90 44 89 f0 39 c3 0f 8d 85 fe ff ff <0f> 0b
39 c3 0f 8f 83 fe ff ff 49 8b 47 10 a8 04 75 74 49 83 7f
[ 1878.740074] ---[ end trace ea9ec2e49eac7947 ]---
** Package changed: ubuntu => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1795256
Title:
frequent crash of Ubuntu 18.04 with purple dotted screen or black
screen error death
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