From owner-freebsd-emulation@freebsd.org Tue Jun 30 13:39:14 2020 Return-Path: Delivered-To: freebsd-emulation@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5AFCB34B78E for ; Tue, 30 Jun 2020 13:39:14 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 49x5756vcLz4RCG for ; Tue, 30 Jun 2020 13:39:13 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: by mailman.nyi.freebsd.org (Postfix) id EB45E34B694; Tue, 30 Jun 2020 13:39:13 +0000 (UTC) Delivered-To: emulation@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EB0FB34B73F for ; Tue, 30 Jun 2020 13:39:13 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from mailgate.Leidinger.net (mailgate.leidinger.net [IPv6:2a00:1828:2000:313::1:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 49x5735Cxgz4RHy; Tue, 30 Jun 2020 13:39:11 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from outgoing.leidinger.net (p5b165188.dip0.t-ipconnect.de [91.22.81.136]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by mailgate.Leidinger.net (Postfix) with ESMTPSA id 1C35410F0B; Tue, 30 Jun 2020 15:39:02 +0200 (CEST) Received: from webmail.leidinger.net (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by outgoing.leidinger.net (Postfix) with ESMTPS id A37011501; Tue, 30 Jun 2020 15:38:59 +0200 (CEST) Date: Tue, 30 Jun 2020 15:38:59 +0200 Message-ID: <20200630153859.Horde.h7G-xufvRwckOE0FBCmjA7g@webmail.leidinger.net> From: Alexander Leidinger To: Edward Tomasz =?utf-8?b?TmFwaWVyYcWCYQ==?= Cc: emulation@freebsd.org Subject: Re: [Bug 230160] linuxulator doesn't implement madvise(MADV_DONTNEED) and any MADV_ flags with values >= 8 correctly References: <20200630102834.Horde.gx36pdJxf2UwP6pq0GMUAVL@webmail.leidinger.net> In-Reply-To: Accept-Language: de,en Content-Type: multipart/signed; boundary="=_8Bq1hc4Vo-SKj6iwvgu0o_W"; protocol="application/pgp-signature"; micalg=pgp-sha1 MIME-Version: 1.0 X-Rspamd-Queue-Id: 49x5735Cxgz4RHy X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.17 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[leidinger.net:s=outgoing-alex]; NEURAL_HAM_MEDIUM(-1.00)[-0.998]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; NEURAL_HAM_LONG(-1.02)[-1.022]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[leidinger.net:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[leidinger.net,quarantine]; NEURAL_HAM_SHORT(-0.05)[-0.047]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:34240, ipnet:2a00:1828::/32, country:DE]; RCVD_TLS_ALL(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[91.22.81.136:received] X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Jun 2020 13:39:14 -0000 This message is in MIME format and has been PGP signed. --=_8Bq1hc4Vo-SKj6iwvgu0o_W Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Edward Tomasz Napiera=C5=82a (from Tue, 30 Jun= =20=20 2020=2012:45:12 +0100): >> On 30 Jun 2020, at 09:29, Alexander Leidinger=20=20 >>=20 wrote: >> >> =EF=BB=BFQuoting bugzilla-noreply@freebsd.org (from Thu, 25 Jun 2020=20= =20 >>=2020:31:29 +0000): >> >>> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230160 >>> >>> --- Comment #12 from commit-hook@freebsd.org --- >>> A commit references this bug: >>> >>> Author: markj >>> Date: Thu Jun 25 20:30:31 UTC 2020 >>> New revision: 362631 >>> URL: https://svnweb.freebsd.org/changeset/base/362631 >>> >>> Log: >>> Implement an approximation of Linux MADV_DONTNEED semantics. >> >> Hi, >> >> I've updated from r360373 to r362771. When I now try to start some=20=20 >>=20Steam games I get a new error message: >> linux: pid 80394 (ThreadPoolSingl): possibly incorrect MADV_DONTNEED >> >> There are several different processes with this message. What needs=20= =20 >>=20to be done to determine the "possibily incorrect" part? > > FWIW, I=E2=80=99m seeing those messages when running Python regression te= sts=20=20 >=20(python3.6 -m test -vW -x test_socket), although it doesn=E2=80=99t see= m to=20=20 >=20break anything. There are two possibilities: 1) There is no issue, and the message is not needed and it should be remo= ved. 2) There may be an issue, and it needs to be fixed. In this case it=20=20 would=20be interesting to know what the issue is, and maybe also to know=20= =20 how=20to detect if a particular program runs into the issue. Bye, Alexander. --=20 http://www.Leidinger.net=20Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_8Bq1hc4Vo-SKj6iwvgu0o_W Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJe+0BzAAoJEBINsJsD+NiGPzQP/0HVLgaHeBpvolQF85El3Xm4 He6IQUE7BYGWP2O0V9ibl7ZP08Bv6Mfr36KVBU0yjH1/sz0W4bQmSk+H95/+aJtL 94szacGzWLahK6xWynKj7d0d7eUBKNlxwnKznmWWq6Xlh8HqFkw5nMRoPX59yr9u 9dfefL/+IuDwjU55rIZlZvk7pJ3s0o10KgQdrlGHHH2hbF1bmB6xe3Jtg3Sz5HU9 99uPi86iaxTlsaN3E2LCv8eVn46eKP+yDmKb1MapCrkssOZHl8f74TMdI2OVJKAd l0kfPcEuu0CAQSBslwdVR9wx0SsNDni5WOB7Axp9C61BOtoWkxWgwicbXL9aJqx+ Us7o1oruFk2EmGkK9we4mHiyPeTINaGbPeMEGWbuekAkJ53ZLVOTGaoVyoTgmKy4 K1UmcIdD/3IaEBt4ByX/8yKk5HowqOv3O6jZYsGn9tL6mFtwJ7QsqqrNi13CSDGP Ej9JxDY/2cVx6k104/T4c0inbZ/mF4fpVnanpFu2oIHNFlrXx75xKmEy8dex/vAJ Jse9HIYycHzP+oTGbSDs5vr/Y809TfzYz9eH9U9FDzeqQMcbOj3evcd7iCArnPwA 0KJ+Z+aZi8h4r0vtI/Mt3ANLCM1I+vci5tkFb2zemm/T6VXsLKVHQjzX6+wGPjGs JgwlaB5QXQ+3TCvPsb5y =UAqP -----END PGP SIGNATURE----- --=_8Bq1hc4Vo-SKj6iwvgu0o_W--