From owner-freebsd-x11@freebsd.org Mon Apr 29 18:34:51 2019 Return-Path: Delivered-To: freebsd-x11@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 6C38A1598C1A for ; Mon, 29 Apr 2019 18:34:51 +0000 (UTC) (envelope-from zeising@freebsd.org) Received: from mail.daemonic.se (mail.daemonic.se [176.58.89.161]) (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 0906769AAD; Mon, 29 Apr 2019 18:34:50 +0000 (UTC) (envelope-from zeising@freebsd.org) Received: from cid.daemonic.se (localhost [IPv6:::1]) by mail.daemonic.se (Postfix) with ESMTP id 44tCxj4PSZzDjs5; Mon, 29 Apr 2019 18:34:49 +0000 (UTC) X-Virus-Scanned: amavisd-new at daemonic.se Received: from mail.daemonic.se ([IPv6:::1]) (using TLS with cipher ECDHE-RSA-AES128-GCM-SHA256) by cid.daemonic.se (mailscanner.daemonic.se [IPv6:::1]) (amavisd-new, port 10587) with ESMTPS id XNPpzk4_5nlP; Mon, 29 Apr 2019 18:34:49 +0000 (UTC) Received: from [IPv6:2001:470:dca9:2:44c7:b8d8:6fd:49d6] (unknown [IPv6:2001:470:dca9:2:44c7:b8d8:6fd:49d6]) by mail.daemonic.se (Postfix) with ESMTPSA id 44tCxj1CjSzDjp8; Mon, 29 Apr 2019 18:34:49 +0000 (UTC) Subject: Re: dmar, dma_pool, etc From: Niclas Zeising To: Tycho Nightingale Cc: "freebsd-x11@freebsd.org" , Johannes Lundberg References: <9E2356CF-6483-4C06-B4A8-0120088063FE@freebsd.org> <60b447bb-81da-4c01-e164-bdf10e5560b0@freebsd.org> <594E1E71-6834-431E-B122-005E64EDB1C2@freebsd.org> <3a07ffef-a978-2fdd-8d54-85fc0b6f3a63@freebsd.org> Message-ID: <23fe1183-d12c-b4b8-958f-34cee6e33977@freebsd.org> Date: Mon, 29 Apr 2019 20:34:50 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <3a07ffef-a978-2fdd-8d54-85fc0b6f3a63@freebsd.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 0906769AAD X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.963,0]; ASN(0.00)[asn:36236, ipnet:176.58.89.0/24, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: freebsd-x11@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: X11 on FreeBSD -- maintaining and support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Apr 2019 18:34:51 -0000 On 2019-04-29 20:27, Niclas Zeising wrote: > On 2019-04-29 18:00, Tycho Nightingale wrote: >>> On Apr 29, 2019, at 11:06 AM, Niclas Zeising =20 >>> wrote: >>> >>> As a side note, I can readily reproduce the hang on a spare laptop,=20 >>> please let me know if I can help in testing or diagnosing in any way. >> >> >> If you can readily reproduce the hang, since there are 2 halves that=20 >> comprised the fix (the DMA pool and non-pool mappings) it would be=20 >> instructive to try reverting either dmapool.h or dma-mapping.h=20 >> independently to see if that helps. >> >=20 > Hi! > I will test this and report back.=C2=A0 Thank you! > Regards Hi! Just reverting dmapool.h or dma-mapping.h doesn't work, it won't build.=20 I need to revert more than that. Can you help me figure out what to=20 revert in either case, or provide a patch? Thank you! Regards --=20 Niclas