Thanks for your reply. No I don't have any nvidia card. It is a Dell
640m laptop with Intel integrated graphics (quite old one that I use
mainly for testing). Symptoms do look similar but wayland session used
to work flawlessly with 17.10 on this system. Here the output of lspci:
lspci -k
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and
945GT Express Memory Controller Hub (rev 03)
Subsystem: Dell Mobile 945GM/PM/GMS, 943/940GML and 945GT Express
Memory Controller Hub
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller (rev 03)
Subsystem: Dell Mobile 945GM/GMS, 943/940GML Express Integrated
Graphics Controller
Kernel driver in use: i915
Kernel modules: i915, intelfb
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
Express Integrated Graphics Controller (rev 03)
Subsystem: Dell Mobile 945GM/GMS/GME, 943/940GML Express Integrated
Graphics Controller
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio
Controller (rev 01)
Subsystem: Dell NM10/ICH7 Family High Definition Audio Controller
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev
01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev
01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 4 (rev
01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#1 (rev 01)
Subsystem: Dell NM10/ICH7 Family USB UHCI Controller
Kernel driver in use: uhci_hcd
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#2 (rev 01)
Subsystem: Dell NM10/ICH7 Family USB UHCI Controller
Kernel driver in use: uhci_hcd
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#3 (rev 01)
Subsystem: Dell NM10/ICH7 Family USB UHCI Controller
Kernel driver in use: uhci_hcd
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#4 (rev 01)
Subsystem: Dell NM10/ICH7 Family USB UHCI Controller
Kernel driver in use: uhci_hcd
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller
(rev 01)
Subsystem: Dell NM10/ICH7 Family USB2 EHCI Controller
Kernel driver in use: ehci-pci
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge
(rev 01)
Subsystem: Dell 82801GBM (ICH7-M) LPC Interface Bridge
Kernel driver in use: lpc_ich
Kernel modules: intel_rng, lpc_ich, leds_ss4200
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA
Controller [IDE mode] (rev 01)
Subsystem: Dell 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode]
Kernel driver in use: ata_piix
Kernel modules: pata_acpi
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 01)
Subsystem: Dell NM10/ICH7 Family SMBus Controller
Kernel modules: i2c_i801
02:00.0 Ethernet controller: Broadcom Limited BCM4401-B0 100Base-TX (rev 02)
Subsystem: Dell Inspiron E1405
Kernel driver in use: b44
Kernel modules: b44
02:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller
Subsystem: Dell R5C832 IEEE 1394 Controller
Kernel driver in use: firewire_ohci
Kernel modules: firewire_ohci
02:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host
Adapter (rev 19)
Subsystem: Dell R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci
02:01.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter
(rev 0a)
Subsystem: Dell R5C592 Memory Stick Bus Host Adapter
Kernel driver in use: r592
Kernel modules: r592
02:01.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 05)
Subsystem: Dell xD-Picture Card Controller
Kernel driver in use: r852
Kernel modules: r852
0c:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan]
Network Connection (rev 02)
Subsystem: Intel Corporation PRO/Wireless 3945ABG [Golan] Network
Connection
Kernel driver in use: iwl3945
Kernel modules: iwl3945
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https://bugs.launchpad.net/bugs/1767606
Title:
GDM do not start on freshly installed 18.04
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