From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [v4.13-rc BUG] system lockup when running big buffered write(4M) to IB SRP via mpath Date: Wed, 23 Aug 2017 15:12:42 +0000 Message-ID: <1503501161.2484.3.camel@wdc.com> References: <20170808141715.GB22763@ming.t460p> <1502237504.4017.1.camel@redhat.com> <1502245693.6511.3.camel@redhat.com> <1502298599.2356.7.camel@wdc.com> <20170823113526.GA8130@ming.t460p> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170823113526.GA8130@ming.t460p> Content-Language: en-US Content-ID: <625697407A93704791AD32F88AB63295@namprd04.prod.outlook.com> Sender: linux-block-owner@vger.kernel.org To: "ming.lei@redhat.com" Cc: "dm-devel@redhat.com" , "linux-scsi@vger.kernel.org" , "linux-block@vger.kernel.org" , "loberman@redhat.com" List-Id: dm-devel.ids T24gV2VkLCAyMDE3LTA4LTIzIGF0IDE5OjM1ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gc29m dCBsb2NrdXAgc3RpbGwgY2FuIGJlIG9ic2VydmVkIGVhc2lseSB3aXRoIHBhdGNoIGQ0YWNmMzY1 MGM3YygNCj4gYmxvY2s6IE1ha2UgYmxrX21xX2RlbGF5X2tpY2tfcmVxdWV1ZV9saXN0KCkgcmVy dW4gdGhlIHF1ZXVlIGF0IGEgcXVpZXQgdGltZSksDQo+IGJ1dCBubyBoYXJkIGxvY2t1cC4NCg0K SGVsbG8gTWluZywNCg0KSSBuZXZlciBjbGFpbWVkIHRoYXQgY29tbWl0IGQ0YWNmMzY1MGM3YyB3 YXMgYSBmdWxsIHNvbHV0aW9uIHRvIGF2b2lkIHRoZXNlDQpzb2Z0IGxvY2t1cHMuIEkgYXNzdW1l IHRoZXNlIHJlc3VsdHMgbWVhbiB0aGF0IHBhdGNoIHNlcmllcyAiW1BBVENIIDAvN10NCkRldmlj ZSBtYXBwZXIgYW5kIGRtLW1wYXRoIGZpeGVzIiB3YXMgbm90IGFwcGxpZWQgdG8gdGhlIGtlcm5l bCB1c2VkIGluIHlvdXINCnRlc3RzPyBBIGNvbGxlYWd1ZSBvZiB5b3UgaGFzIHJlcG9ydGVkIHRo YXQgdGhhdCBwYXRjaCBzZXJpZXMgaXMgc3VmZmljaWVudA0KdG8gYXZvaWQgdGhlc2Ugc29mdCBs b2NrdXBzLiBTZWUgYWxzbw0KaHR0cHM6Ly93d3cucmVkaGF0LmNvbS9hcmNoaXZlcy9kbS1kZXZl bC8yMDE3LUF1Z3VzdC9tc2cwMDEyMi5odG1sLg0KDQpCYXJ0Lg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa3.hgst.iphmx.com ([216.71.153.141]:48529 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754090AbdHWPNb (ORCPT ); Wed, 23 Aug 2017 11:13:31 -0400 From: Bart Van Assche To: "ming.lei@redhat.com" CC: "dm-devel@redhat.com" , "linux-scsi@vger.kernel.org" , "linux-block@vger.kernel.org" , "loberman@redhat.com" Subject: Re: [v4.13-rc BUG] system lockup when running big buffered write(4M) to IB SRP via mpath Date: Wed, 23 Aug 2017 15:12:42 +0000 Message-ID: <1503501161.2484.3.camel@wdc.com> References: <20170808141715.GB22763@ming.t460p> <1502237504.4017.1.camel@redhat.com> <1502245693.6511.3.camel@redhat.com> <1502298599.2356.7.camel@wdc.com> <20170823113526.GA8130@ming.t460p> In-Reply-To: <20170823113526.GA8130@ming.t460p> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org T24gV2VkLCAyMDE3LTA4LTIzIGF0IDE5OjM1ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gc29m dCBsb2NrdXAgc3RpbGwgY2FuIGJlIG9ic2VydmVkIGVhc2lseSB3aXRoIHBhdGNoIGQ0YWNmMzY1 MGM3YygNCj4gYmxvY2s6IE1ha2UgYmxrX21xX2RlbGF5X2tpY2tfcmVxdWV1ZV9saXN0KCkgcmVy dW4gdGhlIHF1ZXVlIGF0IGEgcXVpZXQgdGltZSksDQo+IGJ1dCBubyBoYXJkIGxvY2t1cC4NCg0K SGVsbG8gTWluZywNCg0KSSBuZXZlciBjbGFpbWVkIHRoYXQgY29tbWl0IGQ0YWNmMzY1MGM3YyB3 YXMgYSBmdWxsIHNvbHV0aW9uIHRvIGF2b2lkIHRoZXNlDQpzb2Z0IGxvY2t1cHMuIEkgYXNzdW1l IHRoZXNlIHJlc3VsdHMgbWVhbiB0aGF0IHBhdGNoIHNlcmllcyAiW1BBVENIIDAvN10NCkRldmlj ZSBtYXBwZXIgYW5kIGRtLW1wYXRoIGZpeGVzIiB3YXMgbm90IGFwcGxpZWQgdG8gdGhlIGtlcm5l bCB1c2VkIGluIHlvdXINCnRlc3RzPyBBIGNvbGxlYWd1ZSBvZiB5b3UgaGFzIHJlcG9ydGVkIHRo YXQgdGhhdCBwYXRjaCBzZXJpZXMgaXMgc3VmZmljaWVudA0KdG8gYXZvaWQgdGhlc2Ugc29mdCBs b2NrdXBzLiBTZWUgYWxzbw0KaHR0cHM6Ly93d3cucmVkaGF0LmNvbS9hcmNoaXZlcy9kbS1kZXZl bC8yMDE3LUF1Z3VzdC9tc2cwMDEyMi5odG1sLg0KDQpCYXJ0Lg==