Public bug reported:
It was noticed that, when using QEMU, keys pressed when using the guest
can get stuck and repeat indefinitely. To undo that, the particular key
has to be pressed again. While what is the key currently stuck can be
obvious when it is a letter or number, Ctrl or even Enter can get stuck,
which can lead to confirming doing dangerous actions in the guests
(think replacing multiple files with a GUI file manager).
A command as simple as:
qemu-system-x86_64 -accel kvm -m 1536 -vga qxl -cdrom xubuntu-18.04.3
-desktop-amd64.iso
Is triggering the bug. I tried using the workaround using -device usb-
kbd but that didn't solve. It's currently being hard to use QEMU due to
this bug.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: qemu-system-x86 1:4.0+dfsg-0ubuntu10
ProcVersionSignature: Ubuntu 5.4.0-9.12-generic 5.4.3
Uname: Linux 5.4.0-9-generic x86_64
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Jan 13 23:38:56 2020
InstallationDate: Installed on 2017-06-13 (944 days ago)
InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
KvmCmdLine:
COMMAND STAT EUID RUID PID PPID %CPU COMMAND
qemu-system-x86 Sl+ 0 0 33485 33480 22.7 qemu-system-x86_64
-accel kvm -m 1536 -cpu Skylake-Client -device nec-usb-xhci -device
usb-host,id=cruzerblade,vendorid=0x0781,productid=0x5567 -bios
/usr/share/ovmf/OVMF.fd -vga qxl -cdrom
/home/usuario/Sistemas/xubuntu-18.04.3-desktop-amd64.iso -device usb-kbd
kvm-nx-lpage-re S 0 0 33490 2 0.0 [kvm-nx-lpage-re]
kvm-pit/33485 S 0 0 33494 2 0.0 [kvm-pit/33485]
MachineType: LENOVO 80UG
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-9-generic
root=UUID=6b4ae5c0-c78c-49a6-a1ba-029192618a7a ro quiet ro kvm.ignore_msrs=1
kvm.report_ignored_msrs=0 kvm.halt_poll_ns=0 kvm.halt_poll_ns_grow=0
i915.enable_gvt=1 i915.fastboot=1
resume=UUID=a82e38a0-8d20-49dd-9cbd-de7216b589fc log_buf_len=16M
usbhid.quirks=0x0079:0x0006:0x100000 config_scsi_mq_default=y
scsi_mod.use_blk_mq=1 mtrr_gran_size=64M mtrr_chunk_size=64M nbd.nbds_max=2
nbd.max_part=63
SourcePackage: qemu
UpgradeStatus: Upgraded to focal on 2019-12-22 (22 days ago)
dmi.bios.date: 08/09/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: 0XCN45WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Toronto 4A2
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40679 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 310-14ISK
dmi.modalias:
dmi:bvnLENOVO:bvr0XCN45WW:bd08/09/2018:svnLENOVO:pn80UG:pvrLenovoideapad310-14ISK:rvnLENOVO:rnToronto4A2:rvrSDK0J40679WIN:cvnLENOVO:ct10:cvrLenovoideapad310-14ISK:
dmi.product.family: IDEAPAD
dmi.product.name: 80UG
dmi.product.sku: LENOVO_MT_80UG_BU_idea_FM_Lenovo ideapad 310-14ISK
dmi.product.version: Lenovo ideapad 310-14ISK
dmi.sys.vendor: LENOVO
mtime.conffile..etc.apport.crashdb.conf: 2019-08-29T08:39:36.787240
** Affects: qemu (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1859545
Title:
Sticky keys repeat indefinitely unless if pressed again
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