From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa6.hgst.iphmx.com ([216.71.154.45]:58378 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751276AbeCMPGw (ORCPT ); Tue, 13 Mar 2018 11:06:52 -0400 From: Bart Van Assche To: "linux-block@vger.kernel.org" , "jaco@uls.co.za" CC: "pieterk@uls.co.za" Subject: Re: disk-io lockup in 4.14.13 kernel Date: Tue, 13 Mar 2018 15:06:47 +0000 Message-ID: <1520953606.2638.5.camel@wdc.com> References: <16bae006-371f-1eea-56b6-8668249d870b@uls.co.za> <828103f7-7550-16a3-d482-8953adc5a234@wdc.com> <257ceeb7-f466-d13d-8818-829759eda587@uls.co.za> <1520737695.8740.4.camel@wdc.com> <6e2ef6eb-a610-8c52-52d8-a35e4d3f36c9@uls.co.za> <1520744455.8740.9.camel@wdc.com> <0d5c21c2-4fea-5870-e971-f90556fb4141@uls.co.za> <1520950225.2921.0.camel@wdc.com> In-Reply-To: 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 T24gVHVlLCAyMDE4LTAzLTEzIGF0IDE2OjU5ICswMjAwLCBKYWNvIEtyb29uIHdyb3RlOg0KPiBJ IHF1aWNrbHkgY2hlY2tlZCBteSBkbWVzZyBsb2dzIGFuZCBJJ20gbm90IHNlZWluZyB0aGF0IHBh cnRpY3VsYXINCj4gbWVzc2FnZSwgY291bGQgYmUgdGhhdCBuZXdlciBrZXJuZWxzIG9ubHkgc3Rh cnRlZCB3YXJuaW5nIGFib3V0IGl0Pw0KDQpIZWxsbyBKYWNvLA0KDQpUaGF0IG1lc3NhZ2Ugb25s eSBhcHBlYXJzIGlmICBDT05GSUdfREVCVUdfQVRPTUlDX1NMRUVQIChzbGVlcCBpbnNpZGUgYXRv bWljKQ0KaXMgZW5hYmxlZCBpbiB0aGUga2VybmVsIGNvbmZpZy4gVGhlIGtlcm5lbCBjb25maWd1 cmF0aW9uIG9wdGlvbnMgSSBlbmFibGUgdG8NCnRlc3Qga2VybmVsIGNvZGUgY2FuIGJlIGZvdW5k IGJlbG93LiBQbGVhc2Ugbm90ZSB0aGF0IHNvbWUgb2YgdGhlc2Ugb3B0aW9ucw0Kc2xvdyBkb3du IHRoZSBrZXJuZWwgc2lnbmlmaWNhbnRseSwgc28gdGhlc2Ugb3B0aW9ucyBzaG91bGQgcHJvYmFi bHkgbm90IGJlDQplbmFibGVkIG9uIGEgcHJvZHVjdGlvbiBzeXN0ZW0uDQoNCkNPTkZJR19CTEtf REVCVUdfRlMNCkNPTkZJR19ERUJVR19BVE9NSUNfU0xFRVANCkNPTkZJR19ERUJVR19CT09UX1BB UkFNUw0KQ09ORklHX0RFQlVHX0JVR1ZFUkJPU0UNCkNPTkZJR19ERUJVR19GUw0KQ09ORklHX0RF QlVHX0lORk8NCkNPTkZJR19ERUJVR19JTkZPX0RXQVJGNA0KQ09ORklHX0RFQlVHX0lORk9fUkVE VUNFRA0KQ09ORklHX0RFQlVHX0tFUk5FTA0KQ09ORklHX0RFQlVHX0tNRU1MRUFLDQpDT05GSUdf REVCVUdfTElTVA0KQ09ORklHX0RFQlVHX0xPQ0tfQUxMT0MNCkNPTkZJR19ERUJVR19NVVRFWEVT DQpDT05GSUdfREVCVUdfT0JKRUNUUw0KQ09ORklHX0RFQlVHX09CSkVDVFNfUkNVX0hFQUQNCkNP TkZJR19ERUJVR19QQUdFQUxMT0MNCkNPTkZJR19ERUJVR19QRVJfQ1BVX01BUFMNCkNPTkZJR19E RUJVR19QSV9MSVNUDQpDT05GSUdfREVCVUdfUFJFRU1QVA0KQ09ORklHX0RFQlVHX1BSRUVNUFRf Vk9MVU5UQVJZDQpDT05GSUdfREVCVUdfU0cNCkNPTkZJR19ERUJVR19TUElOTE9DSw0KQ09ORklH X0RFQlVHX1NUQUNLT1ZFUkZMT1cNCkNPTkZJR19ERUJVR19TVEFDS19VU0FHRQ0KQ09ORklHX0RF VEVDVF9IVU5HX1RBU0sNCkNPTkZJR19EWU5BTUlDX0RFQlVHDQpDT05GSUdfSEFSRExPQ0tVUF9E RVRFQ1RPUg0KQ09ORklHX0tBU0FODQpDT05GSUdfTUFHSUNfU1lTUlENCkNPTkZJR19QUkVFTVBU DQpDT05GSUdfUFJPVkVfTE9DS0lORw0KQ09ORklHX1BST1ZFX1JDVQ0KQ09ORklHX1NDSEVEX0RF QlVHDQpDT05GSUdfU0xVQg0KQ09ORklHX1NMVUJfREVCVUdfT04NCkNPTkZJR19XUV9XQVRDSERP Rw0KDQpCYXJ0Lg0KDQoNCg0K