From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bharath Ramesh Subject: Intermitted "Failed to obtain HW semaphore, aborting" error Date: Sun, 03 Feb 2013 00:14:15 -0500 Message-ID: <510DF227.30307@vt.edu> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms090107030303060005050300" Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org This is a cryptographically signed message in MIME format. --------------ms090107030303060005050300 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Intermittently a couple of nodes in our cluster throw the error "Failed=20 to obtain HW semaphore, aborting" on boot. When this error occurs we are = unable to use IB on those nodes, unloading and reloading the module=20 doesnt help. I was wondering what could be causing this error, google=20 only brings up the source code and no discussion about this error. We=20 are using OFED-1.5.4, any help in debugging and resolving this issue is=20 greatly appreciated. note: I am not subscribed to the list so would appreciate if I am copied = in the replies. --=20 Bharath --------------ms090107030303060005050300 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIKQDCC BRowggQCoAMCAQICEG0Z6qcZT2ozIuYiMnqqcd4wDQYJKoZIhvcNAQEFBQAwga4xCzAJBgNV BAYTAlVTMQswCQYDVQQIEwJVVDEXMBUGA1UEBxMOU2FsdCBMYWtlIENpdHkxHjAcBgNVBAoT FVRoZSBVU0VSVFJVU1QgTmV0d29yazEhMB8GA1UECxMYaHR0cDovL3d3dy51c2VydHJ1c3Qu Y29tMTYwNAYDVQQDEy1VVE4tVVNFUkZpcnN0LUNsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQg RW1haWwwHhcNMTEwNDI4MDAwMDAwWhcNMjAwNTMwMTA0ODM4WjCBkzELMAkGA1UEBhMCR0Ix GzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UE 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