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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 DBAA5C433DB for ; Tue, 2 Mar 2021 13:41:42 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 4FE9B64F0B for ; Tue, 2 Mar 2021 13:41:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4FE9B64F0B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=invisiblethingslab.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.92370.174269 (Exim 4.92) (envelope-from ) id 1lH5HG-0006bp-QF; Tue, 02 Mar 2021 13:41:30 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 92370.174269; Tue, 02 Mar 2021 13:41:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lH5HG-0006bi-Me; Tue, 02 Mar 2021 13:41:30 +0000 Received: by outflank-mailman (input) for mailman id 92370; Tue, 02 Mar 2021 13:41:29 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lH5HF-0006bd-JB for xen-devel@lists.xenproject.org; Tue, 02 Mar 2021 13:41:29 +0000 Received: from out4-smtp.messagingengine.com (unknown [66.111.4.28]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 03c1edf3-7e52-4a69-b18e-48cc1fc4f785; Tue, 02 Mar 2021 13:41:28 +0000 (UTC) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 3E7715C0050 for ; Tue, 2 Mar 2021 08:41:28 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Tue, 02 Mar 2021 08:41:28 -0500 Received: from mail-itl (ip5b434f04.dynamic.kabel-deutschland.de [91.67.79.4]) by mail.messagingengine.com (Postfix) with ESMTPA id A5BFB108005F for ; Tue, 2 Mar 2021 08:41:27 -0500 (EST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 03c1edf3-7e52-4a69-b18e-48cc1fc4f785 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:message-id :mime-version:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm2; bh=bfykdhqW1pbs8W/A+KfC9/i9W6sQE 52oi/IdW1s/LRg=; b=HrsxXZ747Y6uFKAqTstqyT2Y+0JBFgy2/WNW6weTPCZEL vR7/ALE8ujXasc0mYJg0ANCN6t3hQ+OOxSoJiKGldfzzkIlMk9Y4aASaVm0hu5QA 7K11LAF9Mz9dlM9RQTXG/I0/syomKqxbWmVWSTPnqze8q+Hhb+t33SV2Tm8ebpJ5 S0pwY6s/aKvGQDdhWsTwcZ1HaP10ev8hqLC6NNASgQcHMRmatC429bBZmiE2jKLx PSwEmRMHHzltUIvrog8eYJOk3nOMyvhT7CBZLyVX0dXFe75lYW6VfsVx1+hdaWSi 49dcmwA+tYdq17HSvJ28PWlOW5x+lFvKGLPX7Lpvg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledruddttddgheehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpeffhffvuffkgggtugesghdtreertd dtjeenucfhrhhomhepofgrrhgvkhcuofgrrhgtiiihkhhofihskhhiqdfikphrvggtkhhi uceomhgrrhhmrghrvghksehinhhvihhsihgslhgvthhhihhnghhslhgrsgdrtghomheqne cuggftrfgrthhtvghrnhepteduteeiudevkeegvefhtdekhfelgffhhedukedvvdeuuddv jeehvddtieehudfgnecuffhomhgrihhnpehgihhthhhusgdrtghomhenucfkphepledurd eijedrjeelrdegnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhf rhhomhepmhgrrhhmrghrvghksehinhhvihhsihgslhgvthhhihhnghhslhgrsgdrtghomh X-ME-Proxy: Date: Tue, 2 Mar 2021 14:41:24 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: xen-devel Subject: Linux >= 5.9 PV dom0 crash when starting a HVM - AMD Ryzen 4750U, Xen 4.14.1 Message-ID: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="V4+c/tmaqDsS6m6l" Content-Disposition: inline --V4+c/tmaqDsS6m6l Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Tue, 2 Mar 2021 14:41:24 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: xen-devel Subject: Linux >= 5.9 PV dom0 crash when starting a HVM - AMD Ryzen 4750U, Xen 4.14.1 Hi, I've got a report about a Linux regression on AMD hardware, this time with a backtrace! Reportedly, the last functional kernel was 5.8.x (.16, but that's because we moved to 5.9.x and skipped .17 and .18). This is consistent with other reports that anything >=3D 5.9 is unstable on some AMD machines. Details of this config: - Xen 4.14.1 close to vanilla hypervisor-wise - PV dom0 - Dom0 kernel also very close to vanilla - HVM domains in question both have PCI passthrough and qemu in stubdomain (but that's probably not relevant here) - AMD Ryzen 4750U The backtrace: [ 43.497440] kernel BUG at arch/x86/xen/p2m.c:656! [ 43.497923] invalid opcode: 0000 [#1] SMP NOPTI [ 43.498404] CPU: 0 PID: 2347 Comm: xenstored Tainted: G W = 5.10.16-1.fc32.qubes.x86_64 #1 [ 43.498874] Hardware name: HP HP EliteBook 835 G7 Notebook PC/8760, BIOS= S77 Ver. 01.02.03 11/27/2020 [ 43.499362] RIP: e030:___set_phys_to_machine+0x71/0x190 [ 43.499847] Code: 85 c0 75 28 b8 01 00 00 00 48 8b 4c 24 08 65 48 2b 0c = 25 28 00 00 00 0f 85 0a 01 00 00 00 48 83 c4 10 5b 5d c3 48 83 fe ff 74 da = <0f> 0b 48 03 3d ce [ 43.500368] RSP: e02b:ffffc90001ff7cc8 EFLAGS: 00010293 [ 43.500895] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888139c= 18a88 [ 43.501426] RDX: 00000000ffffffd8 RSI: 0000000000a51101 RDI: 00000000001= 47fff [ 43.501958] RBP: 0000000000a51101 B08: 0000000000000000 B09: ffffc90001f= f7b30 [ 43.502407] R10: ffffc90001ff7b28 R11: ffffffff82944488 R12: ffff8881071= 4c6a8 [ 43.503020] R13: 0000000000a51101 R14: 0000000000147fff R15: 00000000000= 00000 [ 43.503557] FS: 00007813cd907d00(0000) GS:ffff888139c00000(0000) kn1GS:0= 000000000000000 [ 43.504101] CS: e030 DS: 0000 ES: 0000 CR0: 0000000000050033 [ 43.504651] CR2: 000000000000d8c038 CR3: 0000000102ae4000 CR4: 000000000= 0050660 [ 43.505203] Call Trace: [ 43.505744] set_foreign_p2m_mapping.part.0+0x164/0x320 [ 43.506302] gntdev_map_grant_pages+0x5d/0x350 (xen_gntdev) [ 43.506852] gntdev_mmap+0x199/0x2f9 (xen_gntdev) [ 43.507408] mmap_region+0x47e/0x720 [ 43.507957] do_mmap+0x438/0x540 [ 43.508514] ? security_mmap_file+0x81/0xd0 [ 43.509054] vm_mmap_pgoff+0xdf/0x130 [ 43.509606] ksys_mmap_pgoff+Ox1d6/0x240 [ 43.510170] do_syscall_64+0x33/0x40 [ 43.510714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.511263] RIP: 0033:0x7813cdbfa2e6 [ 43.511835] Code: 01 00 66 90 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 = 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48= > 3d 00 f0 ff ff 77 [ 43.512442] RSP: 002b:00007ffeb83042f8 EGLAGS 00000246 ORIG_RAX: 0000000= 000000009 [ 43.513045] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007813cdb= fa2c6 [ 43.513654] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00000000000= 00000 [ 43.514276] RBP: 0000000000000000 R08: 000000000000000f R09: 00000000000= 00000 [ 43.514688] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffcb83= 04310 [ 43.515498] R13: 0000000000000003 Ri4: 000000000000000f R15: 00000000000= 00001 [ 43.516188] Modules linked in: nf_tables nfnetlink vfat fat hp_smi spars= e_keymap wmi_bmof uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v41= 2 videobuf2_common=20 da_codec_generic k10temp i2c_piix4 snd_pci_acp3x lcdtrig_audio mc snd_hda_c= odec_hdmi snd_hda_intel btusb snd_intel_dspcfg joydev btrtl snd_hda_codec b= tbcm btintel snd_hda=20 pcm snd_timer iwlwifi snd soundcore cfg80211 ucsi_acpi typec_ucsi rfkill ty= pec wmi cm32181 video industrialio hp_wireless fuse xenfs ip_tables dm_thin= _pool dm_persistent titouch amdgpu crct10duf_pclmul crc32_pclmul crc32c_intel nvme iommu_v2 gpu= _sched ttm i2c_algo_bit drm_kms_helper cec drm ghash_cimuini_intel xhci_pci= xhci_pci_renesas=20 back xen_blkback xen_gntalloc xen_gntdev [ 43.516186] xen_evtchn uinput [ 43.528491] ---[ end trace 0f195b254c08766c ]--- [ 43.689504] RIP: e030:__set_phys_to_machine+0x71/0x190 [ 43.618326] Code: 05 c0 75 28 b8 01 00 00 00 48 0b 4c 24 O8 65 48 2b 0c = 25 28 00 00 00 Of 05 0a 01 00 00 48 83 c4 10 5b 5d c3 48 83 fe ff 74 da 0b 48 03 34 ce 31 [ 43.611124] RSP: e02b:ffffc90001ff7cc8 EFLAGS: 00010293 [ 43.611933] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888139c= 18a88 [ 43.612736] RDX: 00000000ffffffd8 RSI: 0000000000a51101 RDI: 00000000001= 47fff [ 43.613534] RBP: 9999999999a51101 R08: 0000000000000000 R09: ffffc90001f= f7b38 [ 43.614320] R10: ffffc90001ff7b20 R11: fffffffff8294488 R12: ffff8881871= 4c6a8 [ 43.615119] R13: 0000000000a51101 R14: 0000000000147fff R15: 00000000000= 00000 [ 43.615925] FS: 00007813cd987d00(0000) GS:ffff888139c00000(0000) kn1GS:= 0000000000000000 [ 43.616714] CS: e030 DS: 0000 ES: 0000 CRO: 0000000000050033 [ 43.617519] CR2: 0000000000d8c038 CR3: 0000000102ae4000 CR4: 00000000000= 58660 [ 43.618313] Kernel panic - not syncing: Fatal exception [ 43.619137] Kernel Offset: disabled The original report: https://github.com/QubesOS/qubes-issues/issues/6397#issuecomment-788879968 --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --V4+c/tmaqDsS6m6l Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmA+QIQACgkQ24/THMrX 1yw3Tgf+NqLQwCMP2OtD1gQvM4yl6152K6LEOqo+sq9tma4e91nPZUSgy5BRJnI/ Gd8y/kz9bOn3fskqxeXlTCV/4vn4tFIdu2kjFphICIm/2hrgtWm0ts077ysl3g/t F0rYlkcUpmk5CYTrSLdAEf9O9ibMqhkYYzR6ua9/9B6n52AdmamhZK7dp7sn4N9w EPAtqDSkd9hftyAbXHdtPa24K/ImOg6sUOHDUPg7tLjsHzGmhTPte1/G/lrxUm7r 0TmawpYfR4LnNszBMl6tXRk3YSJC5Xd6p+vaRwPUfVyOb5B1/hWoDDX1ghqCQXGE eTPSjukVUr+WUpWdAx0AfFMRdxyNzA== =N8IZ -----END PGP SIGNATURE----- --V4+c/tmaqDsS6m6l--