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dkim=none X-RZG-AUTH: ":P2EQZWCpfu+qG7CngxMFH1J+3q8wa/QLpd5ylWvMDX3y/OuD5rXVisF/Wx6Ea03sAi8O4Y0c9DLMc9kgmB2KMHkQZ2le" X-RZG-CLASS-ID: mo00 Date: Thu, 13 May 2021 14:29:38 +0200 From: Olaf Hering To: Andrew Cooper Cc: Subject: Re: regression in recent pvops kernels, dom0 crashes early Message-ID: <20210513142938.72320118.olaf@aepfle.de> In-Reply-To: <378acbb3-7bb0-6512-2e68-0a6999926811@citrix.com> References: <20210513122457.4182eb7f.olaf@aepfle.de> <378acbb3-7bb0-6512-2e68-0a6999926811@citrix.com> X-Mailer: Claws Mail 2021.04.23 (GTK+ 2.24.32; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/SeYi41kNcYzA0URP9hVw2Qw"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/SeYi41kNcYzA0URP9hVw2Qw Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Thu, 13 May 2021 13:11:10 +0100 schrieb Andrew Cooper : > If I'm counting bits correctly, that is Xen rejecting the use of the NX > bit, which is suspicious. I tried 'dom0=3Dpvh,debug': ... (XEN) mcheck_poll: Machine check polling timer started. (XEN) Running stub recovery selftests... (XEN) Fixup #UD[0000]: ffff82d07fffe040 [ffff82d07fffe040] -> ffff82d040394= a17 (XEN) Fixup #GP[0000]: ffff82d07fffe041 [ffff82d07fffe041] -> ffff82d040394= a17 (XEN) Fixup #SS[0000]: ffff82d07fffe040 [ffff82d07fffe040] -> ffff82d040394= a17 (XEN) Fixup #BP[0000]: ffff82d07fffe041 [ffff82d07fffe041] -> ffff82d040394= a17 (XEN) HPET: 0 timers usable for broadcast (3 total) (XEN) Warning: NX (Execute Disable) protection not active (XEN) Dom0 has maximum 864 PIRQs (XEN) (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) Presently, iommu must be enabled for PVH hardware domain (XEN) **************************************** ... The other logs have: (XEN) Warning: NX (Execute Disable) protection not active Olaf --Sig_/SeYi41kNcYzA0URP9hVw2Qw Content-Type: application/pgp-signature Content-Description: Digitale Signatur von OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE97o7Um30LT3B+5b/86SN7mm1DoAFAmCdG7IACgkQ86SN7mm1 DoCWWBAAo4ovEFagVQ97/JHEDV+y1FHMrMtDVqptnTaIbb0JpWCen2nt8JfKhZ2G 9rH1bdjxNZSClMzEzkUR67nhcBotKNROumkadqZXlKv8/+BkH/YTZoI3aTyI0uKf s525Pbi7swif6BvNt/O7ToPhaerP6KMA+s/Ii4MFaO67kFE3eA+wjmnLw8DS72gz gt3cERjzeBqBlH7RwBxKoZGelIXhk1HpBsxW1Cf3ceozR6CEyQUAgGXMMA9JFJm3 oI7t+vCcoeoKBz8KNU/VH6rWbvMJbsYhqDHaPjg1SzinQOXoPzAeHiGMbmm87kRW 4O+13lwJzpUTW8ExXhb9x5EJfdzrGluJrYid1llMD7+2eyTKXjUbYBkR7yEjTVBN CT+C6rmRb/+GvRGXrsnI5CmykwmGkCzikxMNwKNHSyvsPmJQXdM4ujorYPjLTtlg 471S8dV1o1J/3C6tNrca/A67mq8vt6X3tHN1k8Xazt1OXKGHXRspXButRCI94Z12 IT5UpLq/0Yg8okj/E2rYw5LUWGnf81PVnNAIzKu4AwZtr/qYpR5vE27qNz0m5xNU C+BPTcfLLqE5xztZ41ropYbIeZNnDYl/9FhTk6MsNvXcQhegnQ2Dbw/h6vu6u0WQ z/Pa3w8aOdsRki5ZsSJ2GlPHuG2OsM2X+XTp0TVaY1tBJuhY3nU= =w4nh -----END PGP SIGNATURE----- --Sig_/SeYi41kNcYzA0URP9hVw2Qw--