From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: ocrdma failure in 4.4.0-rc5 Date: Wed, 23 Dec 2015 14:22:40 -0500 Message-ID: <567AF480.7040307@redhat.com> References: <5675BA00.5060101@redhat.com> <567AE0E8.70107@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="nDkAb9KXDn96hPiG3AsK4X4wE0cbkr8tS" Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Devesh Sharma Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --nDkAb9KXDn96hPiG3AsK4X4wE0cbkr8tS Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 12/23/2015 01:53 PM, Devesh Sharma wrote: > Hi Dough, >=20 > I was all set to send you an update in my morning tomorrow. Let me > give you a brief update here >=20 > The deadlock is caused being caused due to following two facts: > A. be2net is sending open/close event to ocrdma holding > device_list_mutex. Nic Open/close hooks are called under rtnl lock > from user-space. > B. As per ocrdma intialization logic ib_register_device() is called > under device_list_mutex. On the other hand inside > ib_register_device(), GID table initialization logic tries to acquire > rtln-lock to fill some of the table attributes. >=20 > My patch series to fix this issue is already under testing. After 1 > round of internal reivew I should be able to post the series in a day > or two. Ok. This is a serious enough issue I really want it for 4.4-rc, so the sooner the better ;-) Thanks for the update. > -Regards > Devesh >=20 >=20 > On Wed, Dec 23, 2015 at 11:29 PM, Doug Ledford wr= ote: >> On 12/20/2015 11:29 PM, Devesh Sharma wrote: >>> Hi Dough, >>> >>> Thanks for your note. >>> >>> We will root cause the issue asap and get back to you with the fix. >> >> Ping. Any update? >> >>> -Regards >>> Devesh >>> >>> On Sun, Dec 20, 2015 at 1:41 AM, Doug Ledford w= rote: >>>> Hi Devesh, >>>> >>>> Testing 4.4.0-rc5, the ocrdma driver is failing for me (100% reliabl= y). >>>> If you have vlans off of the main device, this is what I get from t= he >>>> Fedora rawhide 4.4.0-rc5 kernel: >>>> >>>> >>>> -- >>>> Doug Ledford >>>> GPG KeyID: 0E572FDD >>>> >> >> >> -- >> Doug Ledford >> GPG KeyID: 0E572FDD >> >> --=20 Doug Ledford GPG KeyID: 0E572FDD --nDkAb9KXDn96hPiG3AsK4X4wE0cbkr8tS Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJWevSAAAoJELgmozMOVy/dGogP/jjvYKZ+lTIZ+e1iUyi8pQqp lueLXF3ckhZo6yB3FnAdy3ETCpu8ywfGwK6ZK0vMOmLcC40k3yHmi0bQltZuhgDq Cr5cGAoCIrfpAr7DAuB1OW/cX3DpqF4C2oWMtRudEhw1w7ZyIUANhmJXquoIK+nO ghiyiCxGBoORFFOBPJYdfodkSgIBu1yU2vaV2XxH5eYpsKVkJG5nXHe/64oyBZPY rvesu2ZqNtpkYYgeH7pbZV8DWZOQQhGviZeXa6lNw0e4vbEjNHgNK2LsWNs6N1nx vnBq6oxDCL4RHgN/atkXY/R7IZqjUuICQM7bEChq6YZ+vmh3mAIyPzXJAonjyARG oiXNaC4uTKxaGNVTnI21Ny7o4QgUgD89HaS+Z8bs48LxEm64Cn5jzx+SWZvtpmkO mqbiFmpeEMZqlIKnlnoHnsrQEfsL6SSG4bpsbP+oL41e0Zv0/vm3oMC+DSMn6UB7 +JlqgY+R0AMzheG+KyXqFXX9xaPNTS6iX3i5KamcMUOO+blLQvaSf1nRc9F7Foh9 0x4tKvO5ri15JUm/cvhXeHq1WD8dWoS4q519iED6F4A1yIi1ffLS++SmMb8W1Qeq aRjN9WmT+z1cQAcPnae53bChg05WbRUxghA6r8XfmmnXp8v+8yQTE9rxGT2uq2Tp Ki+3kxoBtWtz2aC+/097 =3t8a -----END PGP SIGNATURE----- --nDkAb9KXDn96hPiG3AsK4X4wE0cbkr8tS-- -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html