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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B199AC433F5 for ; Sun, 14 Nov 2021 06:12:45 +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 6830D61027 for ; Sun, 14 Nov 2021 06:12:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6830D61027 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8FE376E9C3; Sun, 14 Nov 2021 06:12:44 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9F4806E9C3 for ; Sun, 14 Nov 2021 06:12:42 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPS id 6623660EE2 for ; Sun, 14 Nov 2021 06:12:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636870362; bh=PIrKgAgz3a8r+uSlyVmwlhfr9z2zgxLxj8GJYFQJurY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=MzpNx+LiWuj8odm3VbTAilZZKepz6IokN5Y3c19NcoFNyvqp+6vkbHNywzsMNZv35 GkPt/3QKw9aPkMVdk0fgnnMirotAnYz/4NkJ4dBSdcTp6l+CODzk79wdyIdvIhWhOU xqhOiY3bEvRfn3D3Q6iyveCNPOlB5iLR7Vsi9dm+hrbWwvEVm0lwFNZhilNSC5vVrI LPRLZgBVUdxty5RrBfsuCKDVXCaV2VxCw0OtdLK4Tpj3iQ8PTJFewDUwHefJ+4kIF+ YcOxkd06c2hGVzsJhVdkZAyVGCmBUNIara1b7A47a+sUJFBfJvtfYbIJhXD6fo10Gr 0DUe/+6dhLrgQ== From: bugzilla-daemon@bugzilla.kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 215003] apple_gmux fails to initialize and iGPU unclaimed on MacBook Pro 16" 2019 Date: Sun, 14 Nov 2021 06:12:42 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Video(DRI - non Intel) X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dreifachstein@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" https://bugzilla.kernel.org/show_bug.cgi?id=3D215003 --- Comment #4 from Xiaolei Yu (dreifachstein@gmail.com) --- gpu-switch does not work because `EFI runtime services are disabled`. [ 0.371791] ------------[ cut here ]------------ [ 0.371822] [Firmware Bug]: Page fault caused by firmware at PA: 0xffffb6ee80068000 [ 0.371872] WARNING: CPU: 0 PID: 75 at arch/x86/platform/efi/quirks.c:734 efi_crash_gracefully_on_page_fault+0x49/0xc0 [ 0.371942] Modules linked in: [ 0.371963] CPU: 0 PID: 75 Comm: kworker/u24:4 Not tainted 5.14.17+ #9 [ 0.372006] Hardware name: Apple Inc. MacBookPro16,1/Mac-E1008331FDC9686= 4, BIOS 1554.120.19.0.0 (iBridge: 18.16.14663.0.0,0) 05/07/2021 [ 0.372083] Workqueue: efi_rts_wq efi_call_rts [ 0.372114] RIP: 0010:efi_crash_gracefully_on_page_fault+0x49/0xc0 [ 0.372154] Code: 48 89 fd e8 09 8d 02 00 48 81 fd ff 0f 00 00 76 08 48 = 3d 50 a0 61 b1 74 02 5d c3 48 89 ee 48 c7 c7 40 bf 6c b0 e8 f5 22 7e 00 <0f> 0= b 83 3d 7e 0e fa 01 0a 0f 84 17 1e 7e 00 e8 53 19 00 00 48 8b [ 0.372271] RSP: 0000:ffffb6ee8033ab30 EFLAGS: 00010086 [ 0.372305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb0cb4a08 [ 0.372350] RDX: 0000000000000000 RSI: 00000000ffffefff RDI: ffffffffb0c5ca00 [ 0.372395] RBP: ffffb6ee80068000 R08: 0000000000000000 R09: ffffb6ee8033a958 [ 0.372440] R10: ffffb6ee8033a950 R11: ffffffffb0ccca48 R12: ffffb6ee8033abc8 [ 0.374667] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 0.376933] FS: 0000000000000000(0000) GS:ffff9fc8aea00000(0000) knlGS:0000000000000000 [ 0.379162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.381422] CR2: ffffb6ee80068000 CR3: 00000001001a8006 CR4: 00000000003706f0 [ 0.383698] Call Trace: [ 0.385899] page_fault_oops+0x9c/0x240 [ 0.388141] exc_page_fault+0xcc/0x150 [ 0.390313] asm_exc_page_fault+0x1e/0x30 [ 0.392540] RIP: 0010:0xfffffffeefc440c5 [ 0.394703] Code: 31 c9 48 29 f9 48 83 e1 0f 74 0c 4c 39 c1 49 0f 47 c8 = 49 29 c8 f3 a4 4c 89 c1 49 83 e0 0f 48 c1 e9 04 74 2c f3 0f 7f 44 24 18 0= f 6f 06 66 0f e7 07 48 83 c6 10 48 83 c7 10 e2 ee 0f ae f0 66 [ 0.397081] RSP: 0000:ffffb6ee8033ac78 EFLAGS: 00010286 [ 0.399456] RAX: fffffffeefc921e5 RBX: ffffffffb0709ce2 RCX: 0000000000000035 [ 0.401753] RDX: ffffb6ee80067d48 RSI: ffffb6ee80067ff3 RDI: fffffffeefc92490 [ 0.404119] RBP: ffffb6ee8033ad00 R08: 000000000000000c R09: ffffb6ee8006834e [ 0.406426] R10: 0000000000000000 R11: 00000000005ef3bd R12: 0000000000000000 [ 0.408788] R13: ffffb6ee80067dd0 R14: ffffb6ee80067d01 R15: 0000000000000607 [ 0.411101] ? __efi_call+0x28/0x30 [ 0.413426] ? switch_mm_irqs_off+0x19a/0x3b0 [ 0.415753] ? efi_call_rts+0x17c/0x6c0 [ 0.418001] ? process_one_work+0x1ec/0x390 [ 0.420289] ? worker_thread+0x53/0x3e0 [ 0.422515] ? process_one_work+0x390/0x390 [ 0.424780] ? kthread+0x127/0x150 [ 0.426991] ? set_kthread_struct+0x40/0x40 [ 0.429254] ? ret_from_fork+0x22/0x30 [ 0.431488] ---[ end trace d9718208699f023a ]--- --=20 You may reply to this email to add a comment. 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