From owner-freebsd-arm@freebsd.org Sat Dec 29 17:48:33 2018 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 16F6E1429201 for ; Sat, 29 Dec 2018 17:48:33 +0000 (UTC) (envelope-from dclarke@blastwave.org) Received: from atl4mhfb03.myregisteredsite.com (atl4mhfb03.myregisteredsite.com [209.17.115.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7E38B77E56 for ; Sat, 29 Dec 2018 17:48:30 +0000 (UTC) (envelope-from dclarke@blastwave.org) Received: from atl4mhob05.registeredsite.com (atl4mhob05.registeredsite.com [209.17.115.43]) by atl4mhfb03.myregisteredsite.com (8.14.4/8.14.4) with ESMTP id wBTHllbx002569 for ; Sat, 29 Dec 2018 12:47:47 -0500 Received: from mailpod.hostingplatform.com (atl4qobmail01pod2.registeredsite.com [10.30.77.35]) by atl4mhob05.registeredsite.com (8.14.4/8.14.4) with ESMTP id wBTHleBF008372 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Sat, 29 Dec 2018 12:47:40 -0500 Received: (qmail 8944 invoked by uid 0); 29 Dec 2018 17:47:40 -0000 X-TCPREMOTEIP: 174.118.245.214 X-Authenticated-UID: dclarke@blastwave.org Received: from unknown (HELO ?172.16.35.3?) (dclarke@blastwave.org@174.118.245.214) by 0 with ESMTPA; 29 Dec 2018 17:47:40 -0000 Subject: Re: A reliable port cross-build failure (hangup) in my context (amd64->armv7 cross build, with native-tool speedup involved) To: freebsd-arm@freebsd.org References: <865A13C8-9749-486E-9F79-5EEDDECBE621@yahoo.com> <0154C3AC-D85B-4FCF-BA63-454BC26BC1A2@yahoo.com> <13f5e4dd-33fb-2170-e31a-1b5d5f155869@freebsd.org> <2E3F6196-4652-40D2-937F-8860B6005A35@yahoo.com> From: Dennis Clarke Message-ID: Date: Sat, 29 Dec 2018 12:47:39 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:64.0) Gecko/20100101 Thunderbird/64.0 MIME-Version: 1.0 In-Reply-To: <2E3F6196-4652-40D2-937F-8860B6005A35@yahoo.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 7E38B77E56 X-Spamd-Bar: ++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [2.92 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_SPAM_SHORT(0.88)[0.875,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; TO_DN_NONE(0.00)[]; AUTH_NA(1.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_SPAM_MEDIUM(0.40)[0.398,0]; RCVD_TLS_LAST(0.00)[]; MX_GOOD(-0.01)[mx1.netsolmail.net]; NEURAL_SPAM_LONG(0.58)[0.583,0]; RCVD_IN_DNSWL_NONE(0.00)[119.115.17.209.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; DMARC_NA(0.00)[blastwave.org]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:19871, ipnet:209.17.112.0/21, country:US]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(0.18)[ip: (0.45), ipnet: 209.17.112.0/21(0.28), asn: 19871(0.23), country: US(-0.08)] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Dec 2018 17:48:33 -0000 On 12/28/18 9:56 PM, Mark Millard via freebsd-arm wrote: > > On 2018-Dec-28, at 12:12, Mark Millard wrote: > >> On 2018-Dec-28, at 05:13, Michal Meloun wrote: >> >>> Mark, >>> this is known problem with qemu-user-static. >>> Emulation of every single interruptible syscall is broken by design (it >>> have signal related races). Theses races cannot be solved without major >>> rewrite of syscall emulation code. >>> Unfortunately, nobody actively works on this, I think. >>> Following along here quietly and I had to blink at this a few times. Is there a bug report somewhere within the qemu world related to this 'broken by design' qemu feature? Dennis