From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [Patch 0/3] Hangs with IPoIB when doing PCI error injection Date: Fri, 28 Mar 2014 16:47:20 -0400 (EDT) Message-ID: <20140328.164720.2112966893481630828.davem@davemloft.net> References: <20140327142813.535289178@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, brking-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org To: clsoto-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org Return-path: In-Reply-To: <20140327142813.535289178-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org From: clsoto-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org Date: Thu, 27 Mar 2014 09:28:13 -0500 > This patch is to resolve some hangs we are seeing when doing PCI error injection > to Mellanox Infiniband cards. With this patch we make mlx4 driver send an IB_EVENT_DEVICE_FATAL > to the users and added this event to event handlers to avoid these hangs. > If IPoIB is in connected mode, then added to cm an event handler and tried to > make sure that when it sees the fatal event it does not try to send anymore packet because > it will not receive any more completions or interrupts. I'm assuming Roland will take this in via his tree. Thanks. -- 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