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[82.34.183.130]) by smtp.gmail.com with ESMTPSA id b145sm9482130wme.41.2020.05.16.11.04.52 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 16 May 2020 11:04:52 -0700 (PDT) Subject: Re: [gentoo-user] Kernel config for Docker To: gentoo-user@lists.gentoo.org References: <5357792.DvuYhMxLoT@peak> From: Victor Ivanov Autocrypt: addr=vic.m.ivanov@gmail.com; keydata= mQINBF3g/JMBEAC4yM5z5iFHFBU8Zf92ZRB+6uH3ipSWXBYpP+23cdjXO0CFYnUykGSwzYb4 y0/nL1r5FDiNyciRb00QorIHqgi32yzTxApDEb12Bt0xOp8fbSIgEQcwU63Ig7IxQ4PRT5Wd dXdwvtU2ZntcrtDLaRM7ukjqlistrZQGWfHfuGW/7clD8huRVGywHSxFlkupfwVPzxjTQt1T KUs0zsbl4pmXgXfCtQT1t5I9XgJ3gjsh1k0iHaoTubdJwEhukeTNMOIDQACU17Bw/M0ZB70x TRpweOmXOGvEgX9JJQsNnllfo+Uq9vZ2YARc/T576YPNDbeMT6ili/Td81r7gjYGHF7vHaGr 8nWl6qp1/saqMaIlRrg+cpbmMx/p6NrbunYUq4uG73cYE4vW7IesvPqyFNRpYOpO2k482BJn WjsUlN7WqSMvBSVelxOzAAliieUbVft6YfqrLcm17W0fsxIse3i19u/qYP1eWIzHYNy+4rsr S8MIvHlEdL+2cvyPDzKv57G5Vo1sfBp8tkAcBEbYBVM8YLm6UU5nPFJxhy4Hly0MzYaPfsuy 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<2952b1f1-8e76-4e6f-4124-4f495ffb5d54@gmail.com> Date: Sat, 16 May 2020 19:04:48 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 In-Reply-To: <5357792.DvuYhMxLoT@peak> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="RdxF78uzPrzz36CUlaKtiCM6PZdJIoxZA" X-Archives-Salt: a9cb973f-cd05-4517-b4aa-2c3dff821afd X-Archives-Hash: 107ea752abb474c3a18a597e9464b85e This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --RdxF78uzPrzz36CUlaKtiCM6PZdJIoxZA Content-Type: multipart/mixed; boundary="GVnd38lIC0ArR8YnTVgn6J5I0zL8CnJLr" --GVnd38lIC0ArR8YnTVgn6J5I0zL8CnJLr Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable Some of these are obsolete and have been removed in newer kernels. NF_NAT ones have been superseded by / renamed to: CONFIG_NF_NAT CONFIG_IP_NF_NAT CONFIG_IP6_NF_NAT I'm not sure about CONFIG_INET_XFRM_MODE_TRANSPORT but I believe it's now incorporated into other XFRM config variables in newer kernels. I will need to look at the kernel changelogs. But you should be fine without it. AUFS is not part of the main kernel tree, so the following option does not apply: CONFIG_AUFS_FS That said, Docker does _not_ require AUFS, but it does still support it as an option. Docker docs, recommend using OverlayFS instead which is also part of the main kernel tree. As far as I recall there are patches and overlays that will allow you to enable AUFS if needed. Debian, for example, does not include AUFS and instead uses DKMS for AUFS support. The CFQ I/O scheduler is obsolete and has been removed, so the following do not exist and have no alternatives except for running an older kernel:= CONFIG_IOSCHED_CFQ CONFIG_CFQ_GROUP_IOSCHED Docker will run just fine with the BFQ scheduler. Generally speaking the docker kernel validation script is fundamentally flawed by design - it doesn't check the kernel options based on the kernel version. Instead it uses as single global list of CONFIG options and matches against that. - Victor On 16/05/2020 18:12, Peter Humphrey wrote: > Afternoon all, >=20 > I'm trying to follow the wiki[1] to set up gentoo-sources-5.4.38, but t= he wiki=20 > seems to have been written for a different kernel version. Nothing daun= ted, I=20 > set as many parameters as I could, rebooted and ran /usr/share/docker/c= ontrib/ > check-config.sh. I got 9 things missing, thus: >=20 > $ /usr/share/docker/contrib/check-config.sh > /tmp/config-check > $ grep missing /tmp/config-check > - CONFIG_NF_NAT_IPV4: missing > - CONFIG_NF_NAT_NEEDED: missing > - CONFIG_IOSCHED_CFQ: missing > - CONFIG_CFQ_GROUP_IOSCHED: missing > - CONFIG_INET_XFRM_MODE_TRANSPORT: missing > - CONFIG_AUFS_FS: missing > - /dev/zfs: missing > - zfs command: missing > - zpool command: missing >=20 > I can't find any of those. Any clues for the uninitiated? >=20 > 1. https://wiki.gentoo.org/wiki/Docker >=20 --GVnd38lIC0ArR8YnTVgn6J5I0zL8CnJLr-- --RdxF78uzPrzz36CUlaKtiCM6PZdJIoxZA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEKFZblUJabdsjGSQvxx0QR+MZjnMFAl7AK0AACgkQxx0QR+MZ jnM61hAAvwT26Bg42KVsUB5zm09n2dGb5D3RHHVwWJsE8EWWGh2Tx59UdGvKmqtt x3WM44tFzadhfCl5tPIlIwrYPoEhM6gme46OwxEuK5YINrgDTpq0qJcEIYcuNNmL SHpm0RfRQr98HKcXJIN8JyvKlgvzyNlD43YPeMqj8ET/cWEPjuOKnrdQnPdkYDzJ xkxBdFVhHi0kZww/h8gmcgJvnptpJDagUWfJEwsnggPfSamKYGApDGyBqMhQ1exy RZkdZOm/xlyJdr3yq/dJSDfMp37l9xoC7tld5T7kYGnQeBss3rqnB8mdvwUGOTqD sVpQ2upmhRM4pcczG9ZW3JV2ISa2+bWXwMaZRvEz6P4hASVIDYXLdWRQ6Ahnrpgh +sL411jjRq+290X/0cSmFzpJEKEbPXnSobyBbwt0cA0KZLK//1i/awxbrlrJA3rb XS8ShBnTo7YOjqZ2ekxXXjZDNbbkPJHpNzYUiPDVPVfE70H25elBg9qnfXC1q0Yv i6XV3jNReJrlEv3gKezIiBQ3o8b/O4OxPyXuCcXAL9L75XJvMWlvsuHjmbYkEAGH ZHw6dc3Eag67TPLrau+BsrYS8RSSy5gc/bDYMK5vnAGBp6CPLG4jSrWKmLcCL2qj SL+X+O21cWK/vcWYYEpFMGHz0ej8ybyjBjvqDt8i6FeYrLl3b/g= =h1j0 -----END PGP SIGNATURE----- --RdxF78uzPrzz36CUlaKtiCM6PZdJIoxZA--