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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 15:00:33 +0200 From: Olaf Hering To: Andrew Cooper Cc: Subject: Re: regression in recent pvops kernels, dom0 crashes early Message-ID: <20210513150033.2448f533.olaf@aepfle.de> In-Reply-To: <389f9d76-ed23-f8ee-6081-322699d7e816@citrix.com> References: <20210513122457.4182eb7f.olaf@aepfle.de> <378acbb3-7bb0-6512-2e68-0a6999926811@citrix.com> <20210513142229.2d2aa0b4.olaf@aepfle.de> <389f9d76-ed23-f8ee-6081-322699d7e816@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_/iSjik7i_kC6qWodgkfSsITE"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/iSjik7i_kC6qWodgkfSsITE Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Thu, 13 May 2021 13:29:32 +0100 schrieb Andrew Cooper : > Warning: NX (Execute Disable) protection not active There was a knob in the BIOS, it was set to "Disabled" for some reason. Once enabled, the flag is seen and the dom0 starts fine. If Xen is booted with 'cpuid=3Dno-nx', the dom0 crashes again. Thanks for the help, Andrew. 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