From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 18829 invoked from network); 27 Sep 2021 14:53:13 -0000 Received: from tb-ob1.topicbox.com (64.147.108.173) by inbox.vuxu.org with ESMTPUTF8; 27 Sep 2021 14:53:13 -0000 Received: from tb-mx1.topicbox.com (tb-mx1.nyi.icgroup.com [10.90.30.61]) by tb-ob1.topicbox.com (Postfix) with ESMTP id B35D5373E6 for ; Mon, 27 Sep 2021 10:53:11 -0400 (EDT) (envelope-from bounce.mM97595b3d0674fce57a80094b.r522be890-2105-11eb-b15e-8d699134e1fa@9fans.bounce.topicbox.com) Received: by tb-mx1.topicbox.com (Postfix, from userid 1132) id AE5A242AB4C8; Mon, 27 Sep 2021 10:53:11 -0400 (EDT) ARC-Authentication-Results: i=2; topicbox.com; arc=pass; dkim=none (no signatures found); dmarc=fail policy.published-domain-policy=quarantine policy.published-subdomain-policy=quarantine policy.applied-disposition=quarantine policy.evaluated-disposition=quarantine policy.arc-aware-result=fail (p=quarantine,sp=quarantine,d=quarantine,d.eval=quarantine,arc_aware_result=fail) policy.policy-from=sp header.from=9p.sdf.org; spf=none smtp.mailfrom=smj@9p.sdf.org smtp.helo=9p; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (message has been altered)) (Message modified while forwarding at Topicbox) ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d= topicbox.com; h=message-id:to:subject:date:from:in-reply-to :mime-version:content-type:content-transfer-encoding:list-help :list-id:list-post:list-subscribe:reply-to:list-unsubscribe; s= sysmsg-1; t=1632754391; bh=4VbokrJEw+c19YI/UsGpElTplxjcFTul775h9 QFMxhU=; b=VIU/nKknNv8iy1/L5xxIaReKF/saQr2WwWnzw+Brc0uEXABNwUIYG Vd2QexvEyNpkWR1t46jJT6YvL1J63ULMYu37gw9s6b6+sqVCg6Hpl08JYBJthAZf lQz6C0dJtqXMWPLpIBKeGBfWS0SXy5mJGqGNrXo0/FmU/BLNUkoKb4= ARC-Seal: i=2; a=rsa-sha256; cv=pass; d=topicbox.com; s=sysmsg-1; t= 1632754391; b=bOCdtUWQFP5gGnvoMaFNOBXAMKPH2V6g74bSJgNhJ3SRE/KSuk ibzrIKpove/Umtv6t+Mm+cdGA+QwIH2ZclL02+fv+/tJq4I3HK48mJc7/oXVobMP gvJII2rz0U38SC9UP1AgWj4eiH7ggtZqYa80P7fgUgPw7xL1WHSiLgtjw= Authentication-Results: topicbox.com; arc=pass; dkim=none (no signatures found); dmarc=fail policy.published-domain-policy=quarantine policy.published-subdomain-policy=quarantine policy.applied-disposition=quarantine policy.evaluated-disposition=quarantine policy.arc-aware-result=fail (p=quarantine,sp=quarantine,d=quarantine,d.eval=quarantine,arc_aware_result=fail) policy.policy-from=sp header.from=9p.sdf.org; spf=none smtp.mailfrom=smj@9p.sdf.org smtp.helo=9p; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (message has been altered)) (Message modified while forwarding at Topicbox) X-Received-Authentication-Results: tb-mx1.topicbox.com; arc=none (no signatures found); bimi=skipped (DMARC did not pass); dkim=none (no signatures found); dmarc=fail policy.published-domain-policy=quarantine policy.published-subdomain-policy=quarantine policy.applied-disposition=quarantine policy.evaluated-disposition=quarantine policy.arc-aware-result=fail (p=quarantine,sp=quarantine,d=quarantine,d.eval=quarantine,arc_aware_result=fail) policy.policy-from=sp header.from=9p.sdf.org; iprev=pass smtp.remote-ip=205.166.94.15 (9p.sdf.org); spf=none smtp.mailfrom=smj@9p.sdf.org smtp.helo=9p; x-aligned-from=pass (Address match); x-me-sender=none; x-ptr=fail smtp.helo=9p policy.ptr=9p.sdf.org; x-return-mx=pass header.domain=9p.sdf.org policy.org_domain=sdf.org policy.is_org=no (MX Records found: 9p.sdf.org); x-return-mx=pass smtp.domain=9p.sdf.org policy.org_domain=sdf.org policy.is_org=no (MX Records found: 9p.sdf.org); x-vs=clean score=0 state=0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=9fans.net; h=message-id :to:subject:date:from:in-reply-to:mime-version:content-type :content-transfer-encoding:list-help:list-id:list-post :list-subscribe:reply-to:list-unsubscribe; s=dkim-1; bh=1I2O8rfk /50Q1Ndfm9Ifu/1x7hW2aXf/DK/XPIXqeRg=; b=noKkoezbQnIXqxxR2GjJ4jUK 60opzOlFS9iRtcSNCrZykohMASfP0EfR76VWZXc+MOSSYI3n/ZhEYkYkp36ZpKal OlqCYCQy9Fop6O9C6rrLDEruth+Rmh0RCjuq1hMqrrmFprrw3t3hKuRpbFFZWN/9 qVTeoFM49cmyAJ4RUZY= Received: from tb-mx1.topicbox.com (localhost.local [127.0.0.1]) by tb-mx1.topicbox.com (Postfix) with ESMTP id D770142AB0C1 for <9fans@9fans.net>; Mon, 27 Sep 2021 10:52:58 -0400 (EDT) (envelope-from smj@9p.sdf.org) Received: from tb-mx1.topicbox.com (localhost [127.0.0.1]) by tb-mx1.topicbox.com (Authentication Milter) with ESMTP id EB5AABFEEDE; Mon, 27 Sep 2021 10:52:58 -0400 ARC-Seal: i=1; a=rsa-sha256; cv=none; d=topicbox.com; s=arcseal; t= 1632754378; b=CXoai4U27OKpjjxqGV7X5bXTycg7GAnjbnZ52kSDljBZjmGU7V kdlAUAko3hk3URHxdJxmoodOS7jzUeYpjxru673mjTpc5GZ3uM9tHY6+6pLqycOg 3H1s9JYlIco9IBHTRP+2tX5IwyIiJQkNscNTQlQVSrq4dL5GMljqMWjAEkcEVP6g gJbzdu3z9OsYf/oNskFSOM/ZhO5qbPRhqwIeQUXhFW8tUuPTIabnQ2kqKLGHSald 0NleVZvRb0x+hRrZjutZ179IlSDwquVIF4eAILrHzQ78BGNvNHolh6oOWf11kljE 38XvDdrzQWhPPwdEx9C75FQXXc+hFxTim4iA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= topicbox.com; h=message-id:to:subject:date:from:in-reply-to :mime-version:content-type:content-transfer-encoding; s=arcseal; t=1632754378; bh=ij13CrmoNe90d6Km9DRgfZzzQ63LOzf5Wzm32Fag/YQ=; b= lwt/dCOJKZ2cvNrPndS3D7kqZ7RCbkinQw8QfFK870cQ3lQUavwitjmzLqRkPZZ3 mrzJ+YGfDmIiVcmscjGhChsY1lxLS4cM7+NHYcvLXcxASDztq67WP68Iz1PLWX3D /lfoI8WDMfQvFRpemHxUheo3ZOan+ssQYtdoUpcwQmDjh5LmIFzWIJNFE2SVv/GM eglNVGMyjNBuLIoFqC7EV0l5If2ZAFpc+T9M3X1SHooUrpwK75BEWxlSD8vzt0bC kpZ0oUb5OnICpwKUXvkCWzx5xUa4SRJhwZ4xSPAL8U6dOX1YztRs/k9sxNF6/49g Bye5SZ2K1qoy4wVh4U0LjA== ARC-Authentication-Results: i=1; tb-mx1.topicbox.com; arc=none (no signatures found); bimi=skipped (DMARC did not pass); dkim=none (no signatures found); dmarc=fail policy.published-domain-policy=quarantine policy.published-subdomain-policy=quarantine policy.applied-disposition=quarantine policy.evaluated-disposition=quarantine policy.arc-aware-result=fail (p=quarantine,sp=quarantine,d=quarantine,d.eval=quarantine,arc_aware_result=fail) policy.policy-from=sp header.from=9p.sdf.org; iprev=pass smtp.remote-ip=205.166.94.15 (9p.sdf.org); spf=none smtp.mailfrom=smj@9p.sdf.org smtp.helo=9p; x-aligned-from=pass (Address match); x-me-sender=none; x-ptr=fail smtp.helo=9p policy.ptr=9p.sdf.org; x-return-mx=pass header.domain=9p.sdf.org policy.org_domain=sdf.org policy.is_org=no (MX Records found: 9p.sdf.org); x-return-mx=pass smtp.domain=9p.sdf.org policy.org_domain=sdf.org policy.is_org=no (MX Records found: 9p.sdf.org); x-vs=clean score=0 state=0 X-Disposition-Quarantine: Quarantined due to DMARC policy X-ME-VSCause: gggruggvucftvghtrhhoucdtuddrgedvtddrudejkedgkedtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucenucfjughrpefkvffuff fhjgggtgfgsehtjeejtddttddvnecuhfhrohhmpehsmhhjseelphdrshgufhdrohhrghen ucggtffrrghtthgvrhhnpefgvdehteegueevtddtffeljeeuveetudffgeelgeegudduff eludefvdehgeelffenucffohhmrghinheplehfrhhonhhtrdhorhhgpdhtohhpihgtsgho gidrtghomhenucfkphepvddthedrudeiiedrleegrdduheenucevlhhushhtvghrufhiii gvpedtnecurfgrrhgrmhepihhnvghtpedvtdehrdduieeirdelgedrudehpdhhvghlohep lehppdhmrghilhhfrhhomhepoehsmhhjseelphdrshgufhdrohhrgheq X-ME-VSScore: 0 X-ME-VSCategory: clean Received-SPF: none (9p.sdf.org: No applicable sender policy available) receiver=tb-mx1.topicbox.com; identity=mailfrom; envelope-from="smj@9p.sdf.org"; helo=9p; client-ip=205.166.94.15 Received: from 9p (9p.sdf.org [205.166.94.15]) by tb-mx1.topicbox.com (Postfix) with ESMTP for <9fans@9fans.net>; Mon, 27 Sep 2021 10:52:56 -0400 (EDT) (envelope-from smj@9p.sdf.org) Message-ID: <0E9EC69C55D7E172F66629DB0967A58D@9p.sdf.org> To: 9fans@9fans.net Subject: Re: [9fans] devtls memory leak bug Date: Mon, 27 Sep 2021 14:52:55 +0000 From: smj@9p.sdf.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 9e94ba1c-1fa2-11ec-8e0f-95e1f1efed7f Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMTYwN2RmNWIyMTZjNDk4My1NOTc1OTViM2QwNjc0ZmNlNTdhODAw?= =?UTF-8?B?OTRiPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M97595b3d0674fce57a80094b:1:8fuB5dFuoidi9RglJND7AK6HRLS7PkBelA9IDoRHg8A Indeed, in our case this was causing a regular unrecoverable deadlock every few days. Kudos to cinap for not only remotely debugging this but also taking a mentor-like "teach a man to fish" approach to tracking down and identifying the root cause. Thank you cinap! smj Quoth Lucio De Re : > Thank you, Cinap. >=20 > This certainly ought to be of interest to all. >=20 > Lucio. >=20 > On 9/25/21, cinap_lenrek@felloff.net wrote: > > just tracked down kernel memory leak in devtls, > > might be of interested to other forks: > >=20 > > http://git.9front.org/plan9front/plan9front/1cff923af4dbcaaab515cc04ea4= 0c559eab7830f/commit.html > >=20 > > -- > > cinap >=20 >=20 > -- > Lucio De Re > 2 Piet Retief St > Kestell (Eastern Free State) > 9860 South Africa >=20 > Ph.: +27 58 653 1433 > Cell: +27 83 251 5824 ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T1607df5b216c4983-M97595= b3d0674fce57a80094b Delivery options: https://9fans.topicbox.com/groups/9fans/subscription