The only suspicious entries in my /var/log/syslog from the time of the
crash, are a few entries like:
May 31 14:05:16 caius kernel: [74723.170104] WARNING: CPU: 0 PID: 1479 at
/build/linux-0XAgc4/linux-4.4.0/ubuntu/i915/intel_pm.c:3675
skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]()
May 31 14:05:16 caius kernel: [74723.170105] WARN_ON(!wm_changed)
May 31 14:05:16 caius kernel: [74723.170124] Modules linked in: btusb btrtl
cdc_acm drbg ansi_cprng ctr ccm nvram msr rfcomm cmac bnep binfmt_misc arc4
hid_multitouch uvcvideo i2c_designware_platform dell_wmi i2
c_designware_core videobuf2_vmalloc videobuf2_memops cdc_ether
videobuf2_v4l2 videobuf2_core usbnet v4l2_common videodev r8152 mii media
dcdbas dell_smm_hwmon intel_rapl x86_pkg_temp_thermal intel_powerclamp cor
etemp snd_hda_codec_hdmi(OE) dell_led kvm_intel kvm irqbypass
snd_hda_codec_realtek(OE) snd_hda_codec_generic(OE) ath10k_pci ath10k_core
snd_hda_intel(OE) snd_hda_codec(OE) crct10dif_pclmul crc32_pclmul ath snd_
hda_core(OE) mac80211 ghash_clmulni_intel aesni_intel snd_hwdep aes_x86_64
lrw gf128mul glue_helper snd_pcm cfg80211 snd_seq_midi snd_seq_midi_event
snd_rawmidi ablk_helper snd_seq cryptd rtsx_pci_ms memstick sn
d_seq_device snd_timer mei_me hci_uart snd mei idma64 shpchp virt_dma
soundcore joydev input_leds serio_raw btbcm btqca btintel intel_lpss_pci
bluetooth processor_thermal_device intel_soc_dts_iosf acpi_als intel
_hid(OE) kfifo_buf industrialio intel_lpss_acpi int3403_thermal
int3400_thermal int340x_thermal_zone acpi_thermal_rel intel_lpss sparse_keymap
dell_smo8800 acpi_pad mac_hid sunrpc parport_pc ppdev lp parport aut
ofs4 btrfs xor hid_apple raid6_pq hid_generic usbhid rtsx_pci_sdmmc
i915_bpo psmouse intel_ips i2c_algo_bit drm_kms_helper syscopyarea sysfillrect
sysimgblt fb_sys_fops ahci drm rtsx_pci libahci wmi i2c_hid hid
pinctrl_sunrisepoint video pinctrl_intel fjes [last unloaded: btrtl]
May 31 14:05:16 caius kernel: [74723.170142] CPU: 0 PID: 1479 Comm: Xorg
Tainted: G W OE 4.4.0-78-generic #99-Ubuntu
May 31 14:05:16 caius kernel: [74723.170142] Hardware name: Dell Inc.
Precision 5520/0GPNW9, BIOS 1.0.2 12/28/2016
May 31 14:05:16 caius kernel: [74723.170144] 0000000000000286
00000000d1399a48 ffff880851797650 ffffffff813f8dd3
May 31 14:05:16 caius kernel: [74723.170145] ffff880851797698
ffffffffc0287b58 ffff880851797688 ffffffff81081302
May 31 14:05:16 caius kernel: [74723.170146] ffff88085425d000
ffff88085355a148 ffff88085425c000 ffff880853500b78
May 31 14:05:16 caius kernel: [74723.170146] Call Trace:
May 31 14:05:16 caius kernel: [74723.170148] [<ffffffff813f8dd3>]
dump_stack+0x63/0x90
May 31 14:05:16 caius kernel: [74723.170150] [<ffffffff81081302>]
warn_slowpath_common+0x82/0xc0
May 31 14:05:16 caius kernel: [74723.170151] [<ffffffff8108139c>]
warn_slowpath_fmt+0x5c/0x80
May 31 14:05:16 caius kernel: [74723.170163] [<ffffffffc01a8fec>]
skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170174] [<ffffffffc01a9185>]
skl_update_wm+0x185/0x610 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170191] [<ffffffffc023a42f>] ?
intel_ddi_enable_transcoder_func+0x17f/0x260 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170202] [<ffffffffc01acf0e>]
intel_update_watermarks+0x1e/0x30 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170218] [<ffffffffc021c701>]
haswell_crtc_enable+0x761/0x8e0 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170234] [<ffffffffc0207d3e>] ?
intel_finish_crtc_commit+0xe/0x10 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170240] [<ffffffffc01306e4>] ?
drm_atomic_helper_commit_planes_on_crtc+0x154/0x270 [drm_kms_helper]
May 31 14:05:16 caius kernel: [74723.170256] [<ffffffffc0218606>]
intel_atomic_commit+0x5d6/0x14a0 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170269] [<ffffffffc00cabfe>] ?
drm_atomic_check_only+0x18e/0x590 [drm]
May 31 14:05:16 caius kernel: [74723.170279] [<ffffffffc00cb037>]
drm_atomic_commit+0x37/0x60 [drm]
May 31 14:05:16 caius kernel: [74723.170284] [<ffffffffc013206f>]
restore_fbdev_mode+0x22f/0x260 [drm_kms_helper]
May 31 14:05:16 caius kernel: [74723.170294] [<ffffffffc00c97ba>] ?
drm_modeset_lock_all_ctx+0x9a/0xb0 [drm]
May 31 14:05:16 caius kernel: [74723.170300] [<ffffffffc0134243>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
May 31 14:05:16 caius kernel: [74723.170304] [<ffffffffc01342bd>]
drm_fb_helper_set_par+0x2d/0x50 [drm_kms_helper]
May 31 14:05:16 caius kernel: [74723.170320] [<ffffffffc023263a>]
intel_fbdev_set_par+0x1a/0x60 [i915_bpo]
May 31 14:05:16 caius kernel: [74723.170322] [<ffffffff8147e29f>] ?
fb_set_var+0x2ef/0x460
May 31 14:05:16 caius kernel: [74723.170323] [<ffffffff8147e1e6>]
fb_set_var+0x236/0x460
May 31 14:05:16 caius kernel: [74723.170325] [<ffffffff81718a97>] ?
sock_poll+0x107/0x120
May 31 14:05:16 caius kernel: [74723.170327] [<ffffffff810b5823>] ?
check_preempt_wakeup+0x193/0x220
May 31 14:05:16 caius kernel: [74723.170327] [<ffffffff810b5279>] ?
update_curr+0x79/0x160
May 31 14:05:16 caius kernel: [74723.170330] [<ffffffff8147460f>]
fbcon_blank+0x30f/0x350
May 31 14:05:16 caius kernel: [74723.170331] [<ffffffff8102d8c7>] ?
__switch_to+0x437/0x5c0
May 31 14:05:16 caius kernel: [74723.170334] [<ffffffff8150fe63>]
do_unblank_screen+0xd3/0x1a0
May 31 14:05:16 caius kernel: [74723.170335] [<ffffffff81504f59>]
complete_change_console+0x59/0xe0
May 31 14:05:16 caius kernel: [74723.170336] [<ffffffff815056f0>]
vt_ioctl+0x710/0x12f0
May 31 14:05:16 caius kernel: [74723.170343] [<ffffffffc00af759>] ?
drm_ioctl+0x189/0x540 [drm]
May 31 14:05:16 caius kernel: [74723.170344] [<ffffffff814f892f>]
tty_ioctl+0x35f/0xc40
May 31 14:05:16 caius kernel: [74723.170346] [<ffffffff811c1be0>] ?
handle_mm_fault+0xce0/0x1820
May 31 14:05:16 caius kernel: [74723.170347] [<ffffffff8102d8c7>] ?
__switch_to+0x437/0x5c0
May 31 14:05:16 caius kernel: [74723.170349] [<ffffffff81222e0f>]
do_vfs_ioctl+0x29f/0x490
May 31 14:05:16 caius kernel: [74723.170350] [<ffffffff8106b544>] ?
__do_page_fault+0x1b4/0x400
May 31 14:05:16 caius kernel: [74723.170351] [<ffffffff8183c8f5>] ?
schedule+0x35/0x80
May 31 14:05:16 caius kernel: [74723.170352] [<ffffffff81223079>]
SyS_ioctl+0x79/0x90
May 31 14:05:16 caius kernel: [74723.170354] [<ffffffff81840a32>]
entry_SYSCALL_64_fastpath+0x16/0x71
May 31 14:05:16 caius kernel: [74723.170362] ---[ end trace
4186c97217dc5c88 ]---
May 31 14:05:16 caius kernel: [74723.224341] [drm:drm_edid_block_valid
[drm]] *ERROR* EDID checksum is invalid, remainder is 154
May 31 14:05:16 caius kernel: [74723.224342] Raw EDID:
May 31 14:05:16 caius kernel: [74723.224343] 00 ff ff ff ff ff ff 00 1e
6d 91 57 01 01 01 01
May 31 14:05:16 caius kernel: [74723.224344] 01 13 01 03 80 33 1d 78 ea
c6 65 a0 59 59 58 9d
May 31 14:05:16 caius kernel: [74723.224345] 27 0e 50 54 21 08 00 71 40
81 40 81 80 b3 00 01
May 31 14:05:16 caius kernel: [74723.224346] 01 01 01 01 01 01 01 02 3a
80 18 71 38 2d 40 58
May 31 14:05:16 caius kernel: [74723.224347] 2c 45 00 fe 22 11 00 00 1e
00 00 00 fd 00 38 3d
May 31 14:05:16 caius kernel: [74723.224348] 1e 53 0f 00 0a 20 20 20 20
20 20 00 00 00 fc 00
May 31 14:05:16 caius kernel: [74723.224349] 45 32 33 35 30 0a 20 20 20
20 20 20 20 00 00 00
May 31 14:05:16 caius kernel: [74723.224350] ff 00 0a 20 20 20 20 20 20
20 20 20 20 20 20 01
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https://bugs.launchpad.net/bugs/1694787
Title:
Dell Precision 5520 crashing after connecting to ethernet
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