From owner-svn-src-all@freebsd.org Wed Jul 31 17:08:45 2019 Return-Path: Delivered-To: svn-src-all@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 C7460A3FCD; Wed, 31 Jul 2019 17:08:45 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 45zKdT4wfmz44qd; Wed, 31 Jul 2019 17:08:45 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (unknown [127.0.1.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by freefall.freebsd.org (Postfix) with ESMTPS id 58E48AC36; Wed, 31 Jul 2019 17:08:45 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [172.31.3.2]) by mail.xzibition.com (Postfix) with ESMTP id 8E0E314C74; Wed, 31 Jul 2019 17:08:44 +0000 (UTC) X-Virus-Scanned: amavisd-new at mail.xzibition.com Received: from mail.xzibition.com ([172.31.3.2]) by mail.xzibition.com (mail.xzibition.com [172.31.3.2]) (amavisd-new, port 10026) with LMTP id cDcZ5e9upcLF; Wed, 31 Jul 2019 17:08:40 +0000 (UTC) Subject: Re: svn commit: r350005 - head/sys/kern DKIM-Filter: OpenDKIM Filter v2.10.3 mail.xzibition.com 930D714C6D To: Konstantin Belousov Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201907151918.x6FJIPFo077975@repo.freebsd.org> <20190730231256.GL2731@kib.kiev.ua> <20190730232714.GM2731@kib.kiev.ua> <5d3ffe05-58f3-ea26-13ed-51cdcd1deeaa@FreeBSD.org> <20190731051452.GN2731@kib.kiev.ua> From: Bryan Drewery Openpgp: preference=signencrypt Autocrypt: addr=bdrewery@FreeBSD.org; 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Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190731051452.GN2731@kib.kiev.ua> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="aK9Kdd31p41YBj2NhYw5iUK31tZN35UP5" X-Rspamd-Queue-Id: 45zKdT4wfmz44qd X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-0.44 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_SHORT(-0.44)[-0.437,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jul 2019 17:08:45 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --aK9Kdd31p41YBj2NhYw5iUK31tZN35UP5 Content-Type: multipart/mixed; boundary="RDQswO8kbRZurUEp8ymmIDrxhdkg0anIP"; protected-headers="v1" From: Bryan Drewery To: Konstantin Belousov Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Message-ID: <46c7a7bc-29ec-6176-0ede-96ac91984589@FreeBSD.org> Subject: Re: svn commit: r350005 - head/sys/kern References: <201907151918.x6FJIPFo077975@repo.freebsd.org> <20190730231256.GL2731@kib.kiev.ua> <20190730232714.GM2731@kib.kiev.ua> <5d3ffe05-58f3-ea26-13ed-51cdcd1deeaa@FreeBSD.org> <20190731051452.GN2731@kib.kiev.ua> In-Reply-To: <20190731051452.GN2731@kib.kiev.ua> --RDQswO8kbRZurUEp8ymmIDrxhdkg0anIP Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 7/30/19 10:14 PM, Konstantin Belousov wrote: > On Tue, Jul 30, 2019 at 08:40:28PM -0700, Bryan Drewery wrote: >> This 2nd change alone (&& count1 =3D=3D 0) was sufficient to fix the e= ndless >> loop problem. > Good, thank you. >=20 >> >> I am not sure how to test the umtxq_check_susp() change. Do I just nee= d >> to ptrace the process? >=20 > No, you should create a situation where the python process ends the end= less > loop, as reported. Then, it should become killable by 9 with the first= > chunk only applied. >=20 I don't have an easy way to test that. kill -9 inside the loop didn't work. Once the loop ended the process was done; it is very short lived and the calling code is buried in Python I think. --=20 Regards, Bryan Drewery --RDQswO8kbRZurUEp8ymmIDrxhdkg0anIP-- --aK9Kdd31p41YBj2NhYw5iUK31tZN35UP5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEE+Rc8ssOq6npcih8JNddxu25Gl88FAl1ByxcACgkQNddxu25G l88+ggf/WjHcTieUJEfRfEL1FebD7EW8+d3qVPSzZJbBo/z43Ph8qGimbz0LZcF/ x72ZFaj3Zy9bgsDn0eZqC+h+bzLhwiw4b9aHT45TR5KFpGofeNmF0UcsAPflwuhH ohwusgmz3ZAug36zbqnNvHxfGqZN+0M5mtsK3S+8JJL6rOT7+1jkvcjur0PRrPmN HZBIe26nREjtj7Jy1Usyl0+NvwbiGr8S+t9584QXT6aqezHmiqUDlyFZSZhhQIjD pJfStN2Lv3ysN+rmKXYV7trTQBvvMcLiOJwWlLHIbES09RZ8a7a9HD32GX3ycAFM RN3KGgHQNmEfC7bJzpzGU4gihIX5Cw== =DnL4 -----END PGP SIGNATURE----- --aK9Kdd31p41YBj2NhYw5iUK31tZN35UP5--