Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754897AbbHJQsO (ORCPT ); Mon, 10 Aug 2015 12:48:14 -0400 Received: from mga01.intel.com ([192.55.52.88]:14908 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754795AbbHJQsM (ORCPT ); Mon, 10 Aug 2015 12:48:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,646,1432623600"; d="asc'?scan'208";a="781320161" From: "Rustad, Mark D" To: Jiang Liu CC: Thomas Gleixner , Alexander Holler , Alex Deucher , Ingo Molnar , "H. Peter Anvin" , "x86@kernel.org" , "Luck, Tony" , "linux-kernel@vger.kernel.org" Subject: Re: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Thread-Topic: [Bugfix] x86, irq: Fix a regression caused by commit b5dc8e6c21e7 Thread-Index: AQHQ0nstKM+UpAXQRE+bOhJt36v8ZZ4F6QEA Date: Mon, 10 Aug 2015 16:47:58 +0000 Message-ID: <3D4349BB-5D83-48FD-B8AE-54B84E5ABA97@intel.com> References: <1439108128-18441-1-git-send-email-jiang.liu@linux.intel.com> In-Reply-To: <1439108128-18441-1-git-send-email-jiang.liu@linux.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [134.134.176.90] Content-Type: multipart/signed; boundary="Apple-Mail=_4FA0E17C-4816-4007-968C-74A75CDA7481"; protocol="application/pgp-signature"; micalg=pgp-sha256 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2752 Lines: 68 --Apple-Mail=_4FA0E17C-4816-4007-968C-74A75CDA7481 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii Gerry, > On Aug 9, 2015, at 1:15 AM, Jiang Liu wrote: > > Alex Deucher, Mark Rustad and Alexander Holler reported a regression > with the latest v4.2-rc4 kernel, which breaks some SATA controllers. > With multi-MSI capable SATA controllers, only the first port works, > all other ports times out when executing SATA commands. This regression > bisects to 52f518a3a7c2 ("x86/MSI: Use hierarchical irqdomains to manage > MSI interrupts"), but it's not the root cause, it just triggers a bug > caused by b5dc8e6c21e7 ("x86/irq: Use hierarchical irqdomain to manage > CPU interrupt vectors"). > > With this patch applied, the affected SATA controllers work as expected. I see the same thing here as well. > Signed-off-by: Jiang Liu > Reported-by: Alex Deucher > Reported-by: Mark Rustad > Reported-by: Alexander Holler > --- > Hi Alex, Mark and Alexandler, > Sorry for the long delay to root cause this regression, it's > really annoying. Could you please help test this patch against the > latest v4.2-rcx? It works for me. Thanks. -- Mark Rustad, Networking Division, Intel Corporation --Apple-Mail=_4FA0E17C-4816-4007-968C-74A75CDA7481 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----- Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJVyNW+AAoJEDwO/+eO4+5ulnIP/RxHmtrlO2L7D8Y42WAEb/3L 97aBgBXZZqW8Vdh1tPiKosO385QVgkJm6oJWlFkd7HNxWDb2t2KE6cA1Car6mkE9 vLqYFB2dREk3Pht0Oe5EhmmS7W5d1yg0KYYMkX3L1iKU8MZRXUsTtJh14s4lK3Ci QFRW+7k4TvFRtsV/cV4dPyeQZ2wuwWI2sbJCae9XnXSwfGQCETSVFy7fNx+C2G/Y QUsnPLIXTMFeqvz0vfkhPj0KCManDK9qm9w1INgskHgdjkXbQf8E87L6ODL1Rfwd R2QH6y52urLLimzTYmaAUK7b6FXNfDcpTobS2Bw2pQltTdteiKM++B+bccR0/7qa GWFML9Zx6feJ3ew3BfeIvQGyUIiMKpoJMMmYP2RI2OO7Yu7QrdEshEJboSRoF7Gx PvPJB9LCnaqV3haHkXSClpUg7eJfgD+dxrSpY5V6Nht4szXwXdpOPaWnrD8tOTrA fJmJ5fwG2CJ8A9koWPCjLzT/xZMCfxV3R/uJjCHUYiZUsMqISrY63jViMjC2OC9A 3ehZZCUA15NT44bJbO5zACgJ4fk/CwNDYnbaKWFI1U1RWOE/FwRFo5toekptgwSv EirYSLLt22MTFe0XzRl47dQuCdCHcLxvEReW9F1hsd626LpPhI0HQutAHCT3rmBZ o8g9iwUOaLFmKpSQUaHr =xT7x -----END PGP SIGNATURE----- --Apple-Mail=_4FA0E17C-4816-4007-968C-74A75CDA7481-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/