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[Bug 1868116] Re: QEMU monitor no longer works


From: Christian Ehrhardt 
Subject: [Bug 1868116] Re: QEMU monitor no longer works
Date: Wed, 25 Mar 2020 08:09:29 -0000

Thank you Egmont for the bug for VTE in the gnome tracker!

Graphics isn't something I'm usually at home - the related qemu code is
mostly in ui/gtk.c per Maintainers file Gerd Hoffmann is the expert. I
subscribed him to the bug here to raise visibility for him.

-- 
You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1868116

Title:
  QEMU monitor no longer works

Status in QEMU:
  New
Status in qemu package in Ubuntu:
  Triaged
Status in vte2.91 package in Ubuntu:
  New

Bug description:
  Repro:
  VTE
  $ meson _build && ninja -C _build && ninja -C _build install

  qemu:
  $ ../configure --python=/usr/bin/python3 --disable-werror --disable-user 
--disable-linux-user --disable-docs --disable-guest-agent --disable-sdl 
--enable-gtk --disable-vnc --disable-xen --disable-brlapi --disable-fdt 
--disable-hax --disable-vde --disable-netmap --disable-rbd --disable-libiscsi 
--disable-libnfs --disable-smartcard --disable-libusb --disable-usb-redir 
--disable-seccomp --disable-glusterfs --disable-tpm --disable-numa 
--disable-opengl --disable-virglrenderer --disable-xfsctl --disable-vxhs 
--disable-slirp --disable-blobs --target-list=x86_64-softmmu --disable-rdma 
--disable-pvrdma --disable-attr --disable-vhost-net --disable-vhost-vsock 
--disable-vhost-scsi --disable-vhost-crypto --disable-vhost-user 
--disable-spice --disable-qom-cast-debug --disable-vxhs --disable-bochs 
--disable-cloop --disable-dmg --disable-qcow1 --disable-vdi --disable-vvfat 
--disable-qed --disable-parallels --disable-sheepdog --disable-avx2 
--disable-nettle --disable-gnutls --disable-capstone --disable-tools 
--disable-libpmem --disable-iconv --disable-cap-ng
  $ make

  Test:
  $ LD_LIBRARY_PATH=/usr/local/lib/x86_64-linux-gnu/:$LD_LIBRARY_PATH 
./build/x86_64-softmmu/qemu-system-x86_64 -enable-kvm --drive 
media=cdrom,file=http://archive.ubuntu.com/ubuntu/dists/bionic/main/installer-amd64/current/images/netboot/mini.iso
  - switch to monitor with CTRL+ALT+2
  - try to enter something

  Affects head of both usptream git repos.

  
  --- original bug ---

  It was observed that the QEMU console (normally accessible using
  Ctrl+Alt+2) accepts no input, so it can't be used. This is being
  problematic because there are cases where it's required to send
  commands to the guest, or key combinations that the host would grab
  (as Ctrl-Alt-F1 or Alt-F4).

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: qemu 1:4.2-3ubuntu2
  Uname: Linux 5.6.0-rc6+ x86_64
  ApportVersion: 2.20.11-0ubuntu20
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Thu Mar 19 12:16:31 2020
  Dependencies:

  InstallationDate: Installed on 2017-06-13 (1009 days ago)
  InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  KvmCmdLine:
   COMMAND         STAT  EUID  RUID     PID    PPID %CPU COMMAND
   qemu-system-x86 Sl+   1000  1000   34275   25235 29.2 qemu-system-x86_64 -m 
4G -cpu Skylake-Client -device virtio-vga,virgl=true,xres=1280,yres=720 -accel 
kvm -device nec-usb-xhci -serial vc -serial stdio -hda 
/home/usuario/Sistemas/androidx86.img -display gtk,gl=on -device usb-audio
   kvm-nx-lpage-re S        0     0   34284       2  0.0 [kvm-nx-lpage-re]
   kvm-pit/34275   S        0     0   34286       2  0.0 [kvm-pit/34275]
  MachineType: LENOVO 80UG
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.6.0-rc6+ 
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 cgroup_enable=memory swapaccount=1 
zswap.enabled=1 zswap.zpool=z3fold 
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 (87 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

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