Public bug reported:

Using Onboard, when trying to type a letter with accent, as á or à, Xorg
crashes. This computer has a touch screen: some of its software is
intended to be used with the touch screen and, as the screen can be
rotated independently from the keyboard, the physical keyboard is not
always available.

As in Portuguese many words have accents, this crash would be extremely
common.

Regarding Xorg, I had to add the following settings to enable the touch
screen:

Section "InputClass"
        Identifier "HID Touchscreen"
        MatchUSBID "22b9:0005"
        Driver "evdev"
        Option "Emulate3Buttons" "false"
        Option "ButtonMapping" "1 0 0 0 0 0 0 0 0 0 0 0 0 0"
EndSection

Regarding Onboard, only the theme was changed.

The operating system is Xubuntu 18.04 amd64. lspci -v output is below:

lspci -v
00:00.0 Host bridge: Intel Corporation Atom Processor D2xxx/N2xxx DRAM 
Controller (rev 04)
        Subsystem: Elitegroup Computer Systems Atom Processor D2xxx/N2xxx DRAM 
Controller
        Flags: bus master, fast devsel, latency 0

00:02.0 VGA compatible controller: Intel Corporation Atom Processor D2xxx/N2xxx 
Integrated Graphics Controller (rev 0b) (prog-if 00 [VGA controller])
        Subsystem: Elitegroup Computer Systems Atom Processor D2xxx/N2xxx 
Integrated Graphics Controller
        Flags: bus master, fast devsel, latency 0, IRQ 26
        Memory at 80200000 (32-bit, non-prefetchable) [size=1M]
        I/O ports at 40d0 [size=8]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: gma500
        Kernel modules: gma500_gfx

00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio 
Controller (rev 02)
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family High Definition 
Audio Controller
        Flags: bus master, fast devsel, latency 0, IRQ 27
        Memory at 80300000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        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 
02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: 00003000-00003fff
        Memory behind bridge: 80400000-807fffff
        Prefetchable memory behind bridge: 0000000080000000-00000000800fffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev 
02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 17
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        I/O behind bridge: 00002000-00002fff
        Memory behind bridge: 80100000-801fffff
        Prefetchable memory behind bridge: 0000000080800000-00000000809fffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 3 (rev 
02) (prog-if 00 [Normal decode])
        Flags: fast devsel, IRQ 18
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        I/O behind bridge: 00005000-00005fff
        Memory behind bridge: 80a00000-80bfffff
        Prefetchable memory behind bridge: 0000000080c00000-0000000080dfffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1c.3 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 4 (rev 
02) (prog-if 00 [Normal decode])
        Flags: fast devsel, IRQ 19
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
        I/O behind bridge: 00006000-00006fff
        Memory behind bridge: 80e00000-80ffffff
        Prefetchable memory behind bridge: 0000000081000000-00000000811fffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller 
#1 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family USB UHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 23
        I/O ports at 40a0 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller 
#2 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family USB UHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 19
        I/O ports at 4080 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller 
#3 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family USB UHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at 4060 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller 
#4 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family USB UHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 16
        I/O ports at 4040 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller 
(rev 02) (prog-if 20 [EHCI])
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family USB2 EHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 23
        Memory at 80304400 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <access denied>
        Kernel driver in use: ehci-pci

00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) (prog-if 
01 [Subtractive decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=05, subordinate=05, sec-latency=32
        Capabilities: <access denied>

00:1f.0 ISA bridge: Intel Corporation NM10 Family LPC Controller (rev 02)
        Subsystem: Elitegroup Computer Systems NM10 Family LPC Controller
        Flags: bus master, medium devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich

00:1f.2 SATA controller: Intel Corporation NM10/ICH7 Family SATA Controller 
[AHCI mode] (rev 02) (prog-if 01 [AHCI 1.0])
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family SATA Controller 
[AHCI mode]
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 25
        I/O ports at 40c8 [size=8]
        I/O ports at 40dc [size=4]
        I/O ports at 40c0 [size=8]
        I/O ports at 40d8 [size=4]
        I/O ports at 4020 [size=16]
        Memory at 80304000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 02)
        Subsystem: Elitegroup Computer Systems NM10/ICH7 Family SMBus Controller
        Flags: medium devsel, IRQ 10
        I/O ports at efa0 [size=32]
        Kernel modules: i2c_i801

01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI 
Express Fast Ethernet controller (rev 05)
        Subsystem: Elitegroup Computer Systems RTL810xE PCI Express Fast 
Ethernet controller
        Flags: bus master, fast devsel, latency 0, IRQ 16
        I/O ports at 3000 [size=256]
        Memory at 80004000 (64-bit, prefetchable) [size=4K]
        Memory at 80000000 (64-bit, prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: r8169
        Kernel modules: r8169

02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless 
Network Adapter (rev 01)
        Subsystem: AzureWave RTL8188EE Wireless Network Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 28
        I/O ports at 2000 [size=256]
        Memory at 80100000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: rtl8188ee
        Kernel modules: rtl8188ee

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 5.0.0-25.26~18.04.1-generic 5.0.18
Uname: Linux 5.0.0-25-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
BootLog: Error: [Errno 13] Permissão negada: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: XFCE
Date: Fri Aug 23 10:59:00 2019
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Atom Processor D2xxx/N2xxx Integrated Graphics Controller 
[8086:0be1] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Elitegroup Computer Systems Atom Processor D2xxx/N2xxx Integrated 
Graphics Controller [1019:9988]
InstallationDate: Installed on 2019-08-09 (14 days ago)
InstallationMedia: Xubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 
(20190805)
MachineType: Positivo Informatica SA EC10IS2
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-25-generic 
root=UUID=661a421c-70ea-4138-bd0f-466de66f8d14 ro
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/09/2013
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: TPCDV10L.86A.0045.2013.0409.1356
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Intel powered classmate PC
dmi.board.vendor: Intel Corporation
dmi.board.version: POSITIVO
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Positivo Informatica SA
dmi.chassis.version: POSITIVO
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLtd.:bvrTPCDV10L.86A.0045.2013.0409.1356:bd04/09/2013:svnPositivoInformaticaSA:pnEC10IS2:pvr1.02_POS:rvnIntelCorporation:rnIntelpoweredclassmatePC:rvrPOSITIVO:cvnPositivoInformaticaSA:ct9:cvrPOSITIVO:
dmi.product.family: CedarTrail System
dmi.product.name: EC10IS2
dmi.product.sku: System SKUNumber
dmi.product.version: 1.02_POS
dmi.sys.vendor: Positivo Informatica SA
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97-1ubuntu1~18.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.8-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 19.0.8-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic ubuntu

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https://bugs.launchpad.net/bugs/1841190

Title:
  Xorg crashes when trying to insert letter with accent using Onboard

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