From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Olsowski Subject: Re: megasas stops I/O when running kernel as dom0 under xen4.1/4.2 Date: Fri, 19 Aug 2011 20:10:45 +0200 Message-ID: <4E4EA725.30405@leuphana.de> References: <4E43E04B.8010401@leuphana.de> <20110811225119.GA3557@dumpdata.com> <4E44EE51.70802@leuphana.de> <201108151149.44053.simon.rowe@eu.citrix.com> <4E4916A3.9070106@leuphana.de> <4E4E56EE.2070801@citrix.com> <4E4E705E.3040505@leuphana.de> <4E4E79E8.3020808@citrix.com> <4E4E913C.40809@leuphana.de> <4E4E9423.8010904@citrix.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1541249445==" Return-path: In-Reply-To: <4E4E9423.8010904@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Andrew Cooper Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org Dies ist eine kryptografisch unterzeichnete Nachricht im MIME-Format. --===============1541249445== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms020805070100070107010604" Dies ist eine kryptografisch unterzeichnete Nachricht im MIME-Format. --------------ms020805070100070107010604 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: quoted-printable Am 19.08.2011 18:49, schrieb Andrew Cooper: > The only change you need to make is in megasas_probe_one() in > megaraid_sas_base.c > > Add a call to pci_enable_msi(pdev) immediately after the current call = to > pci_set_master(pdev); > > ~Andrew > Yep, that works fine. Removed the module option as well. root@tarballerina:~# cat /proc/interrupts |grep mega 2236: 69010 0 0 0 0 0=20 0 0 xen-pirq-msi megasas The same procedure that would have lead to almost instant errors has not = brought them to appear again. --=20 Andreas Olsowski --------------ms020805070100070107010604 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Kryptografische Unterschrift MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIPMjCC BCEwggMJoAMCAQICAgDHMA0GCSqGSIb3DQEBBQUAMHExCzAJBgNVBAYTAkRFMRwwGgYDVQQK ExNEZXV0c2NoZSBUZWxla29tIEFHMR8wHQYDVQQLExZULVRlbGVTZWMgVHJ1c3QgQ2VudGVy MSMwIQYDVQQDExpEZXV0c2NoZSBUZWxla29tIFJvb3QgQ0EgMjAeFw0wNjEyMTkxMDI5MDBa Fw0xOTA2MzAyMzU5MDBaMFoxCzAJBgNVBAYTAkRFMRMwEQYDVQQKEwpERk4tVmVyZWluMRAw DgYDVQQLEwdERk4tUEtJMSQwIgYDVQQDExtERk4tVmVyZWluIFBDQSBHbG9iYWwgLSBHMDEw 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