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b=BuPCIX3pgX6U/YlebhmYeaDQO8ukMQ71hn8upA5me+Os Ud2XaqTf8sJ0/ruTGDC1O1tmcnuh9OQ+XcVZWYjvNbGxmiDpwV8oZlwDUD2CzS7K 407ZKug+zsXZV1sR+Ofule44jHQGc+H+nB/WGSYTMxNbwZcjd+KuQL4Hz5oNZe1q GhK9NtSRqRi2Ya8slZYeUOqERbWVe2WtQbhIKZcZ35qm2O+g0yBaYmnTW6qpgWpk wFUcQvW6b06WkPf1OsNbBw/sMGRqA1ILs7t53cy89ixJsjo5V6NWuljPrA7HHYgB ZbOU9ZfSG9aT/0wgmgETafmq5ZZap+Mp34ZfYVffnw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvgedrtdeigddviecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpeffhffvvefukfhfgggtuggjsehgtderredttdejnecuhfhrohhmpeforghrvghk ucforghrtgiihihkohifshhkihdqifpkrhgvtghkihcuoehmrghrmhgrrhgvkhesihhnvh hishhisghlvghthhhinhhgshhlrggsrdgtohhmqeenucggtffrrghtthgvrhhnpeeukeet teeggffgkeduheetgeeileejjeeiiefhjeegvefhtefggfetueetteeuteenucffohhmrg hinhepghhithhhuhgsrdgtohhmnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghm pehmrghilhhfrhhomhepmhgrrhhmrghrvghksehinhhvihhsihgslhgvthhhihhnghhslh grsgdrtghomh X-ME-Proxy: Feedback-ID: i1568416f:Fastmail Date: Fri, 28 Oct 2022 12:22:29 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Andrew Cooper , Juergen Gross Cc: "xen-devel@lists.xenproject.org" , George Dunlap , Dario Faggioli , Meng Xu , Henry Wang Subject: Re: [PATCH-for-4.17] xen/sched: migrate timers to correct cpus after suspend Message-ID: References: <20221021145357.17931-1-jgross@suse.com> <4977c33a-fe11-172a-11be-17acb01d61bb@suse.com> <901fa58e-6693-ca2e-9231-447f989d614d@citrix.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5KRzSUE2BoJpADaP" Content-Disposition: inline In-Reply-To: <901fa58e-6693-ca2e-9231-447f989d614d@citrix.com> --5KRzSUE2BoJpADaP Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Fri, 28 Oct 2022 12:22:29 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Andrew Cooper , Juergen Gross Cc: "xen-devel@lists.xenproject.org" , George Dunlap , Dario Faggioli , Meng Xu , Henry Wang Subject: Re: [PATCH-for-4.17] xen/sched: migrate timers to correct cpus after suspend On Fri, Oct 28, 2022 at 10:12:36AM +0000, Andrew Cooper wrote: > On 28/10/2022 11:08, Juergen Gross wrote: > > On 27.10.22 20:13, Marek Marczykowski-G=C3=B3recki wrote: > > > > This is very weird. The data suggests that the scheduling resource > > pointer > > for cpu 1 was NULL, but I can't see how this can be the case without > > causing > > similar crashes without this patch. > > > > Are there any additional patches related to cpu on/offlining or > > suspend/resume > > in the hypervisor? No such patches, it was this: https://github.com/marmarek/xen/commits/master-credit-timers > QubesOS runs with smt=3D0 by default.=C2=A0 Siblings ought to be parked a= t this > point. Yes, indeed this test was with smt=3Doff. --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --5KRzSUE2BoJpADaP Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmNbrWUACgkQ24/THMrX 1yxfigf9HwIx/DDg6yHOiG9tf2VFYfWAuomfIjGOX7CrygSreAXhDsWPRF4DLGjJ XwzVq/c3lb9CVRNwlRfd+T9mhKAsyzVXltqfJsQncoRQjvbtNj72D3dPXalfURYx S0kW4CuBT5QT6Fh/owQGujTm/ffkxePAlRhxlZIxuTVpHZniXyQQr4xsDnR5ToSv ZgsDHA+MUFuwaGE7bUUGLLXUhPjoOjB5R15j103Cc5t9vGc2x7ehehXF1ua48O9U /6gT2ltGpjaBBn0CanmbzuuhOysjoOV/lHemMNsQx66dv7C2PFQPIBhvxqmoJDbs y/QmNX9Y9mJXd0Vb3cYeqYR0KK0X6A== =Y2d5 -----END PGP SIGNATURE----- --5KRzSUE2BoJpADaP--