From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kleber Sacilotto de Souza Subject: Re: [PATCH] IB: fix task hanging on error recovery Date: Tue, 06 Nov 2012 08:58:56 -0200 Message-ID: <5098ED70.4010900@linux.vnet.ibm.com> References: <1350683896-3928-1-git-send-email-klebers@linux.vnet.ibm.com> <50929160.1000109@mellanox.com> <1828884A29C6694DAF28B7E6B8A8237346AC5B9F@ORSMSX101.amr.corp.intel.com> <50981044.3010901@dev.mellanox.co.il> <50982799.5020500@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Or Gerlitz Cc: Hal Rosenstock , "Hefty, Sean" , Or Gerlitz , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "cascardo-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org" , "brking-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On 11/06/2012 03:30 AM, Or Gerlitz wrote: >> On Mon, Nov 5, 2012 at 9:54 PM, Kleber Sacilotto de Souza >> wrote: >>> >>> The driver is not returning the completions because during EEH (Extended >>> Error Handling) recovery on powerpc systems the PCI slot is frozen, and >>> we are not going to receive any interrupt from the adapter until we >>> remove it completely and reset it. >>> > maybe, but per Sean's comment this possible problem is irrelevant for ucm/ucma > During my tests I've seen the wait_for_completion() call hanging on different parts of the code, but not on ucm/ucma. So would it be OK to change the other calls and leave the ucm/ucma as it is? Thank you. -- Kleber Sacilotto de Souza IBM Linux Technology Center -- 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