From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Ciotti Subject: Re: watchdog timer Date: Mon, 21 May 2012 17:51:29 -0700 Message-ID: <4FBAE311.3080909@nasa.gov> References: <4FB5E69A.7010602@nasa.gov> <4FB649A6.2060602@dev.mellanox.co.il> <4FB65E30.4070805@nasa.gov> <20120518081029.01004d2c.weiny2@llnl.gov> <4FB66A6C.1060703@dev.mellanox.co.il> <20120521100831.a434152f.weiny2@llnl.gov> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120521100831.a434152f.weiny2-i2BcT+NCU+M@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ira Weiny Cc: Hal Rosenstock , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org I believe the issue (not certain - need more test time) was caused by not specifying all vlarb entries, even those unused. So, QoS on, but incomplete specification. OFED HowTo examples do this, so I figured it was OK. Its also possible that some software may have been specifying an un-configured SL - without my permission ;) Maybe vl 0 was loosing its turn in arbitration and got starved for > +3%/-51% 400,000 symbols when the HCA was passing back flow control update? Unfortunately - it usually worked, except under load. Think its working now. bob btw Ira, you get to trade every ! into a beer the next time I see you. !!! - there, an even 6 pack On 05/21/2012 10:08 AM, Ira Weiny wrote: > On Fri, 18 May 2012 11:27:40 -0400 > Hal Rosenstock wrote: > >> Ira, >> >> On 5/18/2012 11:10 AM, Ira Weiny wrote: >>> In our situation the FW in the switch had a bug. >> >> Do you recall what the bug was, which firmware version had the bug and >> which one fixed it ? > > I don't recall but it was not Mellanox hardware. > > Ira > >> >> -- Hal >> -- >> 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 > > -- 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