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Diffstat (limited to 'results/classifier/accel-gemma3:12b/tcg/1900122')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/tcg/1900122 | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/tcg/1900122 b/results/classifier/accel-gemma3:12b/tcg/1900122 new file mode 100644 index 000000000..6efacb979 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/tcg/1900122 @@ -0,0 +1,111 @@ + +Unsupported ioctl: cmd=0xffffffff80685600 when accessing /dev/video* in aarch64 guest + +**Description:** +Any attempt to work with video in aarch64 architecture emulated on x86_64 leads currently to the error "Function not implemented". For example: + +``` +# v4l2-ctl -l --verbose +Failed to open /dev/video0: Function not implemented + +root@12dd9b6fcfcb:/# ll /dev/video* +crw-rw---- 1 root video 81, 0 Oct 16 09:23 /dev/video0 +crw-rw---- 1 root video 81, 1 Oct 16 09:23 /dev/video1 + +``` + +**Steps to reproduce the issue:** + +I have a following setup: + +Host Hardware: x86_64 equipped with a webcam (tried different webcams) +Host OS: Ubuntu 20.04.1 + +Guest Architecture: aarch64 +Guest OS: Ubuntu 20.04 (also tried 16.x and 18.x) + +Emulation: quemu-user-static (also tried binfmt) + +Guest OS is running via Docker + QEMU + +``` +➜ cat /proc/sys/fs/binfmt_misc/qemu-aarch64 +enabled +interpreter /usr/bin/qemu-aarch64-static +flags: F +offset 0 +magic 7f454c460201010000000000000000000200b700 +mask ffffffffffffff00fffffffffffffffffeffffff +``` + +**Results received:** +see desrciption. + +**Environment:** + +<!-- The host architecture is available for only x86_64 --> +* QEMU version: (if you can know it): + +ipxe-qemu-256k-compat-efi-roms/focal,now 1.0.0+git-20150424.a25a16d-0ubuntu4 all [installed,automatic] +ipxe-qemu/focal-updates,now 1.0.0+git-20190109.133f4c4-0ubuntu3.2 all [installed,automatic] +qemu-block-extra/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed,automatic] +qemu-kvm/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed] +qemu-system-common/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed,automatic] +qemu-system-data/focal-updates,now 1:4.2-3ubuntu6.7 all [installed,automatic] +qemu-system-gui/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed,automatic] +qemu-system-x86/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed,automatic] +qemu-user-binfmt/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed,automatic] +qemu-user/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed] +qemu-utils/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed,automatic] +qemu/focal-updates,now 1:4.2-3ubuntu6.7 amd64 [installed] + +* Container application: Docker + +**Output of `docker version`, `podman version` or `singularity version`** + +``` +➜ docker version +Client: Docker Engine - Community + Version: 20.10.0-beta1 + API version: 1.40 + Go version: go1.13.15 + Git commit: ac365d7 + Built: Tue Oct 13 18:15:22 2020 + OS/Arch: linux/amd64 + Context: default + Experimental: true + +Server: Docker Engine - Community + Engine: + Version: 19.03.13 + API version: 1.40 (minimum version 1.12) + Go version: go1.13.15 + Git commit: 4484c46d9d + Built: Wed Sep 16 17:01:20 2020 + OS/Arch: linux/amd64 + Experimental: false + containerd: + Version: 1.4.1 + GitCommit: c623d1b36f09f8ef6536a057bd658b3aa8632828 + runc: + Version: 1.0.0-rc92 + GitCommit: ff819c7e9184c13b7c2607fe6c30ae19403a7aff + docker-init: + Version: 0.18.0 + GitCommit: fec3683 + +``` + +Guest aarch64 runs in privileged mode: + +`docker run --privileged --device=/dev/video0:/dev/video0 --env DISPLAY=unix$DISPLAY -v $XAUTH:/root/.Xauthority -v /tmp/.X11-unix:/tmp/.X11-unix -it --rm arm64v8/ubuntu:20.04 bash` + +**Additional information:** +I tried also binfmt way to register emulators. The output of `v4l-ctl` was a little bit different: + +``` +# v4l2-ctl -l +Unsupported ioctl: cmd=0xffffffff80685600 +Failed to open /dev/video0: Function not implemented + +``` \ No newline at end of file |