From owner-freebsd-xen@FreeBSD.ORG Fri May 15 14:42:52 2015 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4549A616 for ; Fri, 15 May 2015 14:42:52 +0000 (UTC) Received: from mx143.netapp.com (mx143.netapp.com [216.240.21.24]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "mx143.netapp.com", Issuer "VeriSign Class 3 International Server CA - G3" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id EEAB1152B for ; Fri, 15 May 2015 14:42:51 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.13,434,1427785200"; d="asc'?scan'208";a="42218878" Received: from hioexcmbx07-prd.hq.netapp.com ([10.122.105.40]) by mx143-out.netapp.com with ESMTP; 15 May 2015 07:42:26 -0700 Received: from HIOEXCMBX07-PRD.hq.netapp.com (10.122.105.40) by hioexcmbx07-prd.hq.netapp.com (10.122.105.40) with Microsoft SMTP Server (TLS) id 15.0.995.29; Fri, 15 May 2015 07:42:26 -0700 Received: from HIOEXCMBX07-PRD.hq.netapp.com ([::1]) by hioexcmbx07-prd.hq.netapp.com ([fe80::f07f:691d:89d:53b7%21]) with mapi id 15.00.0995.031; Fri, 15 May 2015 07:42:26 -0700 From: "Eggert, Lars" To: =?utf-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= CC: "freebsd-xen@freebsd.org" Subject: Re: Xen dom0 "interrupt storm detected on "irq16:"; throttling interrupt source" Thread-Topic: Xen dom0 "interrupt storm detected on "irq16:"; throttling interrupt source" Thread-Index: AQHQjVWqWfmhKLLkCEyxYLJkTsnG9Z16D22AgABSLoCAABHdgIAC8pqAgAAB7QCAAAZOAIAAH08AgAAEc4CAAAFDAIAAAhCA Date: Fri, 15 May 2015 14:42:25 +0000 Message-ID: <91758942-3683-42E5-9B39-66775E48D4DF@netapp.com> References: <55531131.7040404@citrix.com> <65D7289A-9261-4F02-88E5-B2D137C268C1@netapp.com> <5553651D.3000400@citrix.com> <5555DFBC.9030306@citrix.com> <683335F9-E04E-4F8C-B1EF-0047E63E00AD@netapp.com> <5555FF4A.8010702@citrix.com> <126FDC37-2822-45DB-9AA6-3C9A03D89959@netapp.com> <55560414.1040002@citrix.com> In-Reply-To: <55560414.1040002@citrix.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.2100) x-originating-ip: [10.122.56.79] Content-Type: multipart/signed; boundary="Apple-Mail=_C58F4FC6-EBA2-4C2C-96C4-BE32E2F0D91E"; protocol="application/pgp-signature"; micalg=pgp-sha1 MIME-Version: 1.0 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 May 2015 14:42:52 -0000 --Apple-Mail=_C58F4FC6-EBA2-4C2C-96C4-BE32E2F0D91E Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On 2015-5-15, at 16:35, Roger Pau Monn=C3=A9 = wrote: >=20 > Yes, but I've realized that isci for example passes an uint32_t = instead > of an int, so it might be best to set it to 0. Here is what I see now: isci0: port = 0x6000-0x60ff mem 0xde07c000-0xde07ffff,0xddc00000-0xddffffff irq 16 at = device 0.0 on pci10 isci0: attempting to allocate 2 MSI-X vectors (2 supported) ISCI: isci->num_interrupts: 2 max_msix_messages: 2 isci: 1:000089 ISCI bus_alloc_resource failed The storm is still there. Will now set hw.isci.force_legacy_interrupts=3D1 and check if the device = then works correctly. Lars --Apple-Mail=_C58F4FC6-EBA2-4C2C-96C4-BE32E2F0D91E Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- iEYEARECAAYFAlVWBc8ACgkQIWcjmsUTWRqNOQCgje1hu/4v/52KA071ab2Sd9Gt 7REAnjAtOIO2lZmpUGCbq/vBKH5X0Coi =7N1K -----END PGP SIGNATURE----- --Apple-Mail=_C58F4FC6-EBA2-4C2C-96C4-BE32E2F0D91E--