From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00E1BC433FF for ; Fri, 2 Aug 2019 05:12:33 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C70D7206A2 for ; Fri, 2 Aug 2019 05:12:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C70D7206A2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60432 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1htPrj-0004hk-Vw for qemu-devel@archiver.kernel.org; Fri, 02 Aug 2019 01:12:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34487) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1htPr9-0004Ct-Um for qemu-devel@nongnu.org; Fri, 02 Aug 2019 01:11:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1htPr8-0002uN-SJ for qemu-devel@nongnu.org; Fri, 02 Aug 2019 01:11:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35474) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1htPr8-0002tx-NU for qemu-devel@nongnu.org; Fri, 02 Aug 2019 01:11:54 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D4D18796ED; Fri, 2 Aug 2019 05:11:53 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-51.ams2.redhat.com [10.36.116.51]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6825C5D9D3; Fri, 2 Aug 2019 05:11:53 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id EA3051138619; Fri, 2 Aug 2019 07:11:51 +0200 (CEST) From: Markus Armbruster To: Patrick Welche References: <156467368424.6955.5535032657029646608.malonedeb@soybean.canonical.com> Date: Fri, 02 Aug 2019 07:11:51 +0200 In-Reply-To: <156467368424.6955.5535032657029646608.malonedeb@soybean.canonical.com> (Patrick Welche's message of "Thu, 01 Aug 2019 15:34:44 -0000") Message-ID: <87ftmkm9rc.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 02 Aug 2019 05:11:54 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [Bug 1838658] [NEW] qemu 4.0.0 broken by glib update 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: Bug 1838658 <1838658@bugs.launchpad.net>, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Patrick Welche writes: > Public bug reported: > > In brief, an install CD will successfully boot with qemu 4.0.0 built with glib 2.58.3, but freeze during boot with qemu 4.0.0 built with glib 2.60.0. I tracked it down to glib's GHashTable improvements. qemu is happy with a glib built from > ``` > git checkout -f 2.60.4 > git revert --no-edit 86c6f7e2b..3bed8a13b > git revert --no-edit 75f8ec1df9b48b0c3a13a9125f2c7d7c5adf5159 > git revert --no-edit 603fb5958..d3074a748 > git revert --no-edit 0b45ddc55..0600dd322 > ``` > When the GHashTable improvements were committed, there was already a preemptive note about any breakage being due to using private implementation details, hence mentioning it here rather than with glib. > > For the full saga, see: http://gnats.netbsd.org/54310 Please quote the preemptive note in full. I wasted several minutes looking for it in the supposedly full saga, and in GLib git. I still have absolutely no clue what QEMU is doing wrong. If I read the saga's "Subject: PR/54310 CVS commit: pkgsrc/devel/glib2" part correctly, the GHashTable improvements have been or are being removed. Correct?