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Wed, 29 Apr 2020 22:40:34 +0200 From: Manuel Hohmann Subject: Error "cannot bind memory to host NUMA nodes: Operation not permitted" running inside docker To: qemu-devel@nongnu.org Autocrypt: addr=mhohmann@physnet.uni-hamburg.de; prefer-encrypt=mutual; keydata= mQENBEzzkJ0BCACoFEyKwRypWgc6Bbl/t5CRmCq+wnrLqGTji2iB9gHhP/dFisO3bdPjX2bT bZSG48rR7Q999M5NjCX7juQbAKQm5vv3NDBNqq35Q7nSALsEEazy1awbx56EBXPn/5VbH4JT c3sZiQR/MZY81WcWANPxZr3XWOl71netiVNzO5OBZSTxRV7dnB2meYBlhgD7dDzZTfJ8tpqu XlzlaZ+H2QDDt2TH0LYm6rhK2OXDqTCs09BiZi48Ev6YI/DC/RpLNGlVtACV1RB1i+GAKIZJ /E+E1A5wQTG+/wHblFq9PcFJKTJOQvMh3kV/4S4GuQbXoAMVn+6FGIF7mat4Oo+mNjchABEB AAG0ME1hbnVlbCBIb2htYW5uIDxtaG9obWFubkBwaHlzbmV0LnVuaS1oYW1idXJnLmRlPokB OAQTAQIAIgUCTPOQnQIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQ+9/1Gux6RLIN fgf+MHuA2VcJxo/xAvTjfrvmDFgTsepHFlWPKkEdEQY2FSG1dqhAHtEIlEJ0M/6Y0r5cSn+L E8yqW8OWP0aCsd0BTcp+h1t8lIZhx33ZGmOFDxLVcnIq/zyEloRbVZPG05yvKgmc3N3opaw4 8WrdnQ7Q6+iQhY9v+S+BcRyJNDL6cWXZF2uLOvXDAq2Y1lihZSwBXvcQOgQ7nfgJYAveA140 fqRmg5e7usL2xq1kaWDvRrxBk/D6kWqLBkvYQrxxflTfsbM4IJP4lmCIfyr0BxY0VOzjZ8Wu SYl9ETJcHSc4zR+s94PnDAlFsZbZHGoXK6YxD6SlyaisT00bqvZXmY8gHbkBDQRM85CdAQgA l90YtA7ak5BUEHw4WPY9AIpfP0IWSI3lQbudSdTcJ2GPx5fE01dd/W1V+7K7VBiDw7m1CjT7 qnv5ZPFWIhGCBzxGhi/81NXhnEsHoElJEzea0XY64/7hf+CeM4rrx7CaXjByHDbVfFPQqUEZ yhZhxYChmpCi/5CAvs5sJKFNqTqF6AXFCNdam0iWu1pT2MVhl2RqYQq0rUNVDhlh/v/fPKsM tUqyfXbiXVaG9zcozC7AS6U+0jly9oMsGrz9eCE6uDc3YceTnhUqRvuBzj3wB6hFNXj82T/+ 4r60s9zAc2VMi3F0jKBr0+7b+5JOjeraPlvNB0ftCfnFNDGeC0pZAQARAQABiQEfBBgBAgAJ BQJM85CdAhsMAAoJEPvf9RrsekSyMAMH/2gVwokA0EEeF00AO6K9uTukidAflrXYFS+KLKC2 oa8uAb2Or6y2OOZeaLmYhbOdRapFCElqjGSMYlBHPFmu10KDUYzNuaVmSULw84e0KzNPCeJG zOF4bGvLY9bv4cp2tMeUNDIvQHsmZ0PE+O9i9cVtuITEjsXxa/62SE1TSnLg3QUUZEvTIIKN ZEoxKIHrxiLVsa5Rd21YDVyShLjK4sa4Tc0PUPpe5yWkET6hVBIw2g15hAO8+qkShbRYg9CH pZQlUIv2wMJqzXV4UaHYzRJcgZZ0YEvNHE/Vstl7GLHk/QtaCxqva6novYYXWK/rMGrK19gw 3dYtCkCgf6rLwTE= Organization: University of Tartu Message-ID: <76d8eb61-e89e-0465-974b-6901a5fb848e@physnet.uni-hamburg.de> Date: Wed, 29 Apr 2020 23:40:32 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="RrhljUiMlyS4X1jzI31plhmllHXQsXwpu" Received-SPF: none client-ip=134.100.106.230; envelope-from=mhohmann@physnet.uni-hamburg.de; helo=mail.physnet.uni-hamburg.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/29 15:09:05 X-ACL-Warn: Detected OS = Linux 2.6.x X-Received-From: 134.100.106.230 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: imammedo@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --RrhljUiMlyS4X1jzI31plhmllHXQsXwpu Content-Type: multipart/mixed; boundary="hZAyTGUnQLJgEcA3MQ4FXxSoPiOLBJfa6" --hZAyTGUnQLJgEcA3MQ4FXxSoPiOLBJfa6 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi, I encountered the following error message on the QEMU 5.0.0 release, comp= iled and run inside a docker image: "cannot bind memory to host NUMA nodes: Operation not permitted" The QEMU command line to reproduce this behavior (it happens also on -x86= _64, -arm, -aarch64 with similar command line): qemu-system-i386 -m 64 -M pc -smp 1 -display none -monitor stdio -drive f= ile=3Dmp-acpi/NOS.iso,media=3Dcdrom,id=3Dd -boot order=3Dd -d cpu_reset The docker image which shows the error is available here: https://hub.docker.com/repository/docker/xenos1984/test-qemu Built on Ubuntu 20.04, and including NUMA support with libnuma-dev packag= e installed, from the following sources: https://github.com/xenos1984/cross-toolchain/tree/master/tools-qemu https://github.com/xenos1984/cross-toolchain/tree/master/test-qemu The iso image used can be obtained here, but should not be relevant: https://github.com/xenos1984/NOS/releases/download/latest/nos-i686.iso.bz= 2 The command fails when the image is used in a CI environment: https://circleci.com/gh/xenos1984/NOS/953 On recommendation by @imammedo I post the issue to qemu-devel, and also t= ried the following patch: --- a/backends/hostmem.c +++ b/backends/hostmem.c @@ -384,3 +384,3 @@ if (mbind(ptr, sz, backend->policy, - maxnode ? backend->host_nodes : NULL, maxnode + 1, fla= gs)) { + maxnode ? backend->host_nodes : NULL, 0, flags)) { if (backend->policy !=3D MPOL_DEFAULT || errno !=3D ENOSYS= ) { But no success, the same error occurs. It happens only within docker - th= e same command runs fine on my desktop (also Ubuntu 20.04) system. Best regards, xenos1984 / Manuel Hohmann PS: I apologize if this mail is sent / received more than once; there was= a problem with my outgoing mails. --hZAyTGUnQLJgEcA3MQ4FXxSoPiOLBJfa6-- --RrhljUiMlyS4X1jzI31plhmllHXQsXwpu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEGQ1wnDd/ca3CjRdj+9/1Gux6RLIFAl6p5kAACgkQ+9/1Gux6 RLIfsAf7B6PtDG/huDf+EfyFs2et2sc+CzHMK85o7bhKKNBrh04cHZ6dA8hWrwCG 5ySQuko5eIZduKQ20k0NmrcfAQd6E2yO7gLt+f8c//vsVjFU8a1Oi2rPqx92R89G z5O41Gs0v8afXWlqb7WadIVFBmDtIOEectVC51asZCN8f7spINw38yAJX+XUmiuG 3wETeXaTOjwljUBLfCQ44NiAhItEe3DQPTwtkfw5jWg67Ztm8yc5nAo7ECVegLqa U6HV6RANdAVAnpr15TipWc4emMKH5h1oahL6prfUfzOrBFuDQA7PLFAFyyoT7315 RcZ7IEKp7xQFeOfqa8uJD8apZbli+g== =R7Zx -----END PGP SIGNATURE----- --RrhljUiMlyS4X1jzI31plhmllHXQsXwpu--