Though there's at least one other case where kernel failures happen just
before Xorg failures:
Jul 24 01:09:40 u-XPS-13-9380 kernel: [ 1257.973610]
[drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.196769] thunderbolt 0000:05:00.0:
control channel starting...
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.196772] thunderbolt 0000:05:00.0:
starting TX ring 0
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.196780] thunderbolt 0000:05:00.0:
enabling interrupt at register 0x38200 bit 0 (0x0 -> 0x1)
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.196782] thunderbolt 0000:05:00.0:
starting RX ring 0
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.196790] thunderbolt 0000:05:00.0:
enabling interrupt at register 0x38200 bit 12 (0x1 -> 0x1001)
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.197236] usb usb3: root hub lost
power or was reset
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.197238] usb usb4: root hub lost
power or was reset
Jul 24 01:09:41 u-XPS-13-9380 kernel: [ 1258.530275]
[drm:intel_dp_check_link_status [i915]] *ERROR* Failed to get link status
Jul 24 01:09:41 u-XPS-13-9380 /usr/lib/gdm3/gdm-x-session[2217]: (II)
modeset(0): Allocate new frame buffer 5760x2160 stride
Jul 24 01:09:43 u-XPS-13-9380 wpa_supplicant[838]: wlp2s0:
CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-49 noise=-97 txrate=6000
Jul 24 01:09:43 u-XPS-13-9380 kernel: [ 1261.069294]
[drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training
Jul 24 01:09:44 u-XPS-13-9380 kernel: [ 1261.566585] [drm] Reducing the
compressed framebuffer size. This may lead to less power savings than a
non-reduced-size. Try to increase stolen memory size if available in BIOS.
Jul 24 01:09:44 u-XPS-13-9380 org.gnome.Shell.desktop[2345]: Window manager
warning: Configuring CRTC 64 with mode 186 (1920 x 1080 @ 60.000000) at
position 3840, 0 and transform 0 failed
Jul 24 01:09:44 u-XPS-13-9380 gnome-shell[2345]: g_array_unref: assertion
'array' failed
Jul 24 01:09:44 u-XPS-13-9380 gnome-shell[2345]: message repeated 2 times: [
g_array_unref: assertion 'array' failed]
Jul 24 01:09:44 u-XPS-13-9380 /usr/lib/gdm3/gdm-x-session[2217]: (WW)
modeset(0): hotplug event: connector 68's link-state is BAD, tried resetting
the current mode. You may be leftwith a black screen if this fails...
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => New
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Importance: Undecided => High
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1837683
Title:
Screen stops updating after about 8 hours - (EE) modeset(0): present
flip failed
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837683/+subscriptions
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