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osmith gerrit-no-reply at lists.osmocom.orgosmith has posted comments on this change. ( https://gerrit.osmocom.org/c/docker-playground/+/23005 ) Change subject: ttcn3-ggsn-test: add kernel test ...................................................................... Patch Set 3: (6 comments) I'm pushing my current version now. Unfortunately there's a regression, I still need to figure out. When building the kernel from the kernel config (fragment), the GTP tunnel device can't get created anymore in osmo-ggsn. https://gerrit.osmocom.org/c/docker-playground/+/23005/3/osmo-ggsn-latest/Dockerfile File osmo-ggsn-latest/Dockerfile: https://gerrit.osmocom.org/c/docker-playground/+/23005/3/osmo-ggsn-latest/Dockerfile@22 PS3, Line 22: RUN ln -s /bin/true /usr/local/bin/update-initramfs && \ > Some description about this would be welcome Done https://gerrit.osmocom.org/c/docker-playground/+/23005/3/scripts/kernel-test/qemu-ifup.sh File scripts/kernel-test/qemu-ifup.sh: https://gerrit.osmocom.org/c/docker-playground/+/23005/3/scripts/kernel-test/qemu-ifup.sh@5 PS3, Line 5: echo "[host] qemu-ifup: $br, $1, $docker_if" > maybe store $1 to some variable explaining the name instead of using $1 several times. Done https://gerrit.osmocom.org/c/docker-playground/+/23005/3/scripts/kernel-test/qemu-ifup.sh@11 PS3, Line 11: ethtool -K $br gro off gso off tso off tx off rx off sg off >/dev/null 2>&1 > I don't think we need the ethtool lines here and below. Done https://gerrit.osmocom.org/c/docker-playground/+/23005/3/ttcn3-ggsn-test/initrd-ggsn.sh File ttcn3-ggsn-test/initrd-ggsn.sh: https://gerrit.osmocom.org/c/docker-playground/+/23005/3/ttcn3-ggsn-test/initrd-ggsn.sh@18 PS3, Line 18: > Not sure what do we win by creating a separate initrd instead of simply sharing the docker rootfs in […] It is required to run the stock debian kernel. To share the docker rootfs inside qemu (as it was in the PoC), we need NET_9P_VIRTIO. In debian's kernel, this is built with =m and so we need to make the kernel module available before we can mount the docker rootfs over virtio. Before implementing it like it is now, I considered creating an initramfs with just that kernel module, and then mounting the entire rootfs over virtio in a second step and doing switch_root... but that just adds more complexity. https://gerrit.osmocom.org/c/docker-playground/+/23005/3/ttcn3-ggsn-test/jenkins.sh File ttcn3-ggsn-test/jenkins.sh: https://gerrit.osmocom.org/c/docker-playground/+/23005/3/ttcn3-ggsn-test/jenkins.sh@24 PS3, Line 24: cp osmo-ggsn.cfg $VOL_BASE_DIR/ggsn/ > This line can be moved to the else condition below. Done https://gerrit.osmocom.org/c/docker-playground/+/23005/2/ttcn3-ggsn-test/kernel-config File ttcn3-ggsn-test/kernel-config: https://gerrit.osmocom.org/c/docker-playground/+/23005/2/ttcn3-ggsn-test/kernel-config@5 PS2, Line 5: CONFIG_CC_VERSION_TEXT="gcc (Debian 8.3.0-6) 8.3.0" > Agree with laforge, I'd prefer using config fragments with the relevant configs to enable. Done. I've diffed Pau's config against defconfig, that gave the smallest diff (vs allnoconfig or tinyconfig). The README explains how to generate kernel config fragments now. There is probably still a lot that could be removed from the fragment, but rebuilding the kernel to test that it still works after each change is time consuming so I didn't optimize it further yet. -- To view, visit https://gerrit.osmocom.org/c/docker-playground/+/23005 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: docker-playground Gerrit-Branch: master Gerrit-Change-Id: I54e752048eed2a170a1cf4e0fd410de255b9de5d Gerrit-Change-Number: 23005 Gerrit-PatchSet: 3 Gerrit-Owner: osmith <osmith at sysmocom.de> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-CC: laforge <laforge at osmocom.org> Gerrit-Comment-Date: Tue, 23 Feb 2021 15:33:34 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No Comment-In-Reply-To: laforge <laforge at osmocom.org> Comment-In-Reply-To: pespin <pespin at sysmocom.de> Gerrit-MessageType: comment -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210223/606c3666/attachment.htm>