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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 9560AC433DF for ; Wed, 19 Aug 2020 19:47:29 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 65D1D207BB for ; Wed, 19 Aug 2020 19:47:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 65D1D207BB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ucw.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C57E36E560; Wed, 19 Aug 2020 19:47:28 +0000 (UTC) Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4AE066E560 for ; Wed, 19 Aug 2020 19:47:27 +0000 (UTC) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id E4FB51C0BD2; Wed, 19 Aug 2020 21:47:23 +0200 (CEST) Date: Wed, 19 Aug 2020 21:47:23 +0200 From: Pavel Machek To: Chris Wilson Message-ID: <20200819194723.GA7451@amd.ucw.cz> References: <20200819103952.19083-1-chris@chris-wilson.co.uk> <20200819172331.GA4796@amd> <159785861047.667.10730572472834322633@build.alporthouse.com> <20200819193326.p62h2dj7jpzfkeyy@duo.ucw.cz> <159786604254.667.11923001796829417234@build.alporthouse.com> MIME-Version: 1.0 In-Reply-To: <159786604254.667.11923001796829417234@build.alporthouse.com> User-Agent: Mutt/1.10.1 (2018-07-13) Subject: Re: [Intel-gfx] [PATCH 1/2] drm/i915/gem: Replace reloc chain with terminator on error unwind X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, stable@vger.kernel.org Content-Type: multipart/mixed; boundary="===============0684913490==" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" --===============0684913490== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > Yep, my machines are low on memory. > >=20 > > But ... test did not work that well. I have dead X and blinking > > screen. Machine still works reasonably well over ssh, so I guess > > that's an improvement. >=20 > > [ 7744.718473] BUG: unable to handle page fault for address: f8c00000 > > [ 7744.718484] #PF: supervisor write access in kernel mode > > [ 7744.718487] #PF: error_code(0x0002) - not-present page > > [ 7744.718491] *pdpt =3D 0000000031b0b001 *pde =3D 0000000000000000=20 > > [ 7744.718500] Oops: 0002 [#1] PREEMPT SMP PTI > > [ 7744.718506] CPU: 0 PID: 3004 Comm: Xorg Not tainted 5.9.0-rc1-next-2= 0200819+ #134 > > [ 7744.718509] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.= 19 ) 03/31/2011 > > [ 7744.718518] EIP: eb_relocate_vma+0xdbf/0xf20 >=20 > To save me guessing, paste the above location into > ./scripts/decode_stacktrace.sh ./vmlinux . ./drivers/gpu/drm/i915 >=20 > The f8c00000 is something running off the end of a kmap, but I didn't > spot a path were we would ignore an error and keep on writing. > Nevertheless it must exist. Like this? $ ./scripts/decode_stacktrace.sh ./vmlinux . ./drivers/gpu/drm/i915 f8c00000 f8c00000 eb_relocate_vma+0xdbf/0xf20 eb_relocate_vma (i915_gem_execbuffer.c:?)=20 Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCXz2BywAKCRAw5/Bqldv6 8rQ3AJ48gceUdw0++l1nMSQ34uMDJpR/wQCgk2/pSdCWIvl6fFmCQGle7PUR/eI= =WWF5 -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2-- --===============0684913490== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============0684913490==--