From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-002c1b01.pphosted.com ([148.163.151.68]:41382 "EHLO mx0a-002c1b01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933386AbeCGPrH (ORCPT ); Wed, 7 Mar 2018 10:47:07 -0500 From: Rob Scheepens Subject: Re: Windows: FIO randomly hangs using attached script Date: Wed, 7 Mar 2018 15:39:18 +0000 Message-ID: <36259BEC-1CF0-45A5-85AE-F557989EDF30@nutanix.com> References: <9cf7d62a-5c4a-737a-d119-13763fb42c72@bluestop.org> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: David Knierim , Sitsofe Wheeler , Rebecca Cran Cc: fio QWRkaW5nIHRvIERhdmlkJ3MgY29tbWVudHM6IG15IHN1Y2Nlc3MgcGVyY2VudGFnZSB3YXMgcm91 Z2hseSAzMCUuIE1vc3Qgb2YgdGhlIHRpbWUsIDIgb3V0IG9mIDMgcnVucyB3b3VsZCBoYW5nLg0K DQpUaGFua3MgZm9yIHlvdXIgaW52b2x2ZW1lbnQgaGVyZSBTaXRzb2ZlLg0KDQpcUm9iDQoNCg0K 77u/T24gMDcvMDMvMjAxOCwgMTc6MzMsICJEYXZpZCBLbmllcmltIiA8a25pZXJpbUBudXRhbml4 LmNvbT4gd3JvdGU6DQoNCiAgICBTaXRzb2ZlLA0KICAgICAgIFRoYW5rcyBmb3IgeW91ciBpbnRl cmVzdCBpbiByZXNvbHZpbmcgdGhpcyBpc3N1ZS4gIEkgbm8gbG9uZ2VyIGhhdmUgYSBzeXN0ZW0g dG8gZGlnIGludG8gdGhpcyBpc3N1ZSBhdCB0aGUgbW9tZW50LCBidXQgSSB3aWxsIGF0dGVtcHQg dG8gZ2V0IGJhY2sgdG8gdGhpcyBpc3N1ZSBzb29uLg0KICAgICAgVGhhdCBiZWluZyBzYWlkLCBJ IGxpa2UgeW91ciBxdWVzdGlvbnMgYW5kIEkgYW0gaGFwcHkgdG8gYW5zd2VyIHRoZW06DQogICAg DQogICAgPiAgY2FuIHlvdSBjaGVjayB3aGV0aGVyIGZpbyAzLjUgYWxzbyByZXByb2R1Y2VzIHRo ZSBwcm9ibGVtPw0KICAgIFdoZW4gSSBnZXQgYSBzeXN0ZW0gdG8gcnVuIG9uLCBJIHdpbGwgYXR0 ZW1wdCB0byByZXByb2R1Y2UgdGhlIGlzc3VlIHdpdGggZmlvIDMuNS4NCiAgICANCiAgICBZZXMs IHRoZSBleGFtcGxlIGZpbyBjb21tYW5kIGxpbmUgZXhhbXBsZXMgeW91IHNob3dlZCBhcmUgaW5k ZWVkIHdoYXQgdGhlIHNjcmlwdCBpcyBzdXBwb3NlZCB0byBiZSBkb2luZy4NCiAgICANCiAgICBJ ZiBpdCBoZWxwcywgSSBhbHNvIGhhdmUgYSBiYXNoIHNjcmlwdCB3aGljaCBnZW5lcmF0ZXMgdGhl IHNhbWUgZmlvIGNvbW1hbmRzIGFzIHRoZSBweXRob24gc2NyaXB0IHdoaWNoIGFsc28gcmVwcm9k dWNlcyB0aGUgaXNzdWUuDQogICAgDQogICAgSSBoYXZlIG5vdCBhdHRlbXB0ZWQgdG8gcmVwcm9k dWNlIHRoZSBpc3N1ZSB3aXRoIGZpbGVzIG9yIGxlc3MgcmF3IGRpc2tzLiAgIEkgY2FuIHNlZSB5 b3VyIGRlc2lyZSBmb3IgYSBzaW1wbGlmaWVkIHJlcHJvZHVjZXIuICAgV2hlbiBJIGdldCBiYWNr IHRvIHRoaXMgaXNzdWUsIEkgd2lsbCBzZWUgd2hhdCBJIGNhbiBjb21lIHVwIHdpdGguICAgSSBh bSBzdXJlIHNvbWV0aGluZyBzaW1wbGVyIHdpbGwgcmVwcm9kdWNlIHRoZSBpc3N1ZSwgYnV0IEkg aGF2ZSBub3Qgc3BlbnQgdGhlIHRpbWUgdG8gZmluZCBzb21ldGhpbmcgc2ltcGxlciB0aGF0IHdv cmtzLiAgSSB3aWxsIGV4cGxvcmUgbnVtYmVyIG9mIGRpc2tzL2ZpbGVzLCBudW1qb2JzIGFuZCBh bHNvIGRldGVybWluZSBpZiB0aGUgd29ya2luZyBzZXQgbWFrZXMgYW55IGRpZmZlcmVuY2UuDQog ICAgDQogICAgSW4gbXkgZXhwZXJpZW5jZSwgdGhlIHB5dGhvbiBzY3JpcHQgbmV2ZXIgY29tcGxl dGVkIHdoZW4gcnVuIG9uIFdpbmRvd3MuICBSb2IgaGFkIGJldHRlciBsdWNrIHRoYW4gSSBkaWQg YW5kIHRoZSBzY3JpcHQgcmFuIHRvIGNvbXBsZXRpb24gZm9yIGhpbSBzZXZlcmFsIHRpbWVzLCBi dXQgaXQgYWxzbyBzaG93ZWQgdGhlIGZhaWx1cmUgbXVsdGlwbGUgdGltZXMgYXMgd2VsbCwgYnV0 IEkgZG9uJ3QgcmVtZW1iZXIgd2hhdCB0aGUgcGFzcyBwZXJjZW50YWdlIHdhcyBmb3IgaGltLg0K ICAgIA0KICAgIFdoZW4gSSBydW4gdGhlIHNhbWUgcHl0aG9uIG9yIGJhc2ggc2NyaXB0IG9uIExp bnV4IChqdXN0IHVwZGF0aW5nIHRoZSBwYXRoIHRvIHRoZSByYXcgZGlza3MgYW5kIHRoZSBpb2Vu Z2luZSksIGl0IHJ1bnMgMTAwJSByZWxpYWJseS4NCiAgICANCiAgICBUaGFua3MgYWdhaW4sDQog ICAgICAgRGF2aWQNCiAgICANCiAgICBPbiAzLzcvMTgsIDE6MDEgQU0sICJTaXRzb2ZlIFdoZWVs ZXIiIDxzaXRzb2ZlQGdtYWlsLmNvbT4gd3JvdGU6DQogICAgDQogICAgICAgIEhpIFJvYiwgRGF2 aWQhDQogICAgICAgIA0KICAgICAgICBPbiA2IE1hcmNoIDIwMTggYXQgMjA6MDEsIFJlYmVjY2Eg Q3JhbiA8cmViZWNjYUBibHVlc3RvcC5vcmc+IHdyb3RlOg0KICAgICAgICA+IE9uIDMvNi8yMDE4 IDk6MzUgQU0sIFNpdHNvZmUgV2hlZWxlciB3cm90ZToNCiAgICAgICAgPj4NCiAgICAgICAgPj4N CiAgICAgICAgPj4gSSB0cmllZCBvdXQgdGhlIHB5dGhvbiBzY3JpcHQgYnV0IGl0IHNlZW1lZCB0 byBiZSBjb21wbGFpbmluZyBhYm91dCBhDQogICAgICAgID4+IHdoaXRlc3BhY2UgaXNzdWUuIEFm dGVyIGZpeGluZyB0aGF0IHVwIGl0J3MgdW5jbGVhciBleGFjdGx5IHdoYXQgZmlvDQogICAgICAg ID4+IGNvbW1hbmQgbGluZXMgaXQgcnVucy4gSSB0aGluayBmb3Igb3RoZXJzIHRvIGRpZyBpbiB3 ZSdkIG5lZWQNCiAgICAgICAgPj4gc29tZXRoaW5nIGxlc3MgZmlkZGx5IGxpa2UgdGhlIHJhdyBm aW8gY29tbWFuZCBsaW5lcyB0aGF0IGdlbmVyYXRlIHRoZQ0KICAgICAgICA+PiBoYW5nLiBJcyB0 aGVyZSBhbnkgY2hhbmNlIHRoZSBteXN0ZXJ5IHVzZXIgY291bGQgam9pbiB0aGUgbWFpbGluZyBs aXN0DQogICAgICAgID4+IHNvIHRoZXkgY2FuIGFuc3dlciBxdWVzdGlvbnMgZGlyZWN0bHk/IElk ZWFsbHkgd2UnZCBuZWVkIGEgam9iIHRoYXQNCiAgICAgICAgPj4gd29ya3Mgb24gZmlsZXMgd2l0 aGluIGEgZmlsZXN5c3RlbSBhbmQgaWRlYWxseSBuaWNlIHNtYWxsIGZpbGVzIHNvIGl0DQogICAg ICAgID4+IGNvdWxkIGdvIGludG8gYW4gQXBwVmV5b3Igam9iLi4uDQogICAgICAgID4+DQogICAg ICAgID4NCiAgICAgICAgPiBJJ3ZlIENDJ2QgUm9iIGFuZCBEYXZpZC4NCiAgICAgICAgPiBZb3Ug Y2FuIGZpbmQgdGhlIEZJTyBjb21tYW5kIGxpbmVzIHVzZWQgYnkgcnVubmluZyB0aGUgc2NyaXB0 IGluIHZlcmJvc2UNCiAgICAgICAgPiBtb2RlOiBpdCBsaXN0cyB0aGVtIGFsbCBhdCB0aGUgc3Rh cnQsIHRoZW4gc3RlcHMgdGhyb3VnaCB0aGVtIG9uZSBieSBvbmUuDQogICAgICAgID4gVW5mb3J0 dW5hdGVseSBub2JvZHkncyBoYWQgYW55IGx1Y2sgaW4gbmFycm93aW5nIGRvd24gYSBzaW5nbGUg cnVuIHRoYXQNCiAgICAgICAgPiBjYXVzZXMgdGhlIGhhbmcuDQogICAgICAgID4gSSBmb3Jnb3Qg dG8gc2F5IHRoYXQgdGhlIHByb2JsZW0gaGFzIGJlZW4gc2VlbiBvbiBGSU8gMy4xIC0gSSBuZXZl ciBnb3QNCiAgICAgICAgPiBhcm91bmQgdG8gdHJ5aW5nIGl0IG9uIHZlcnNpb24gMy41LCB3aGlj aCBpcyBub3cgb24gaHR0cHM6Ly91cmxkZWZlbnNlLnByb29mcG9pbnQuY29tL3YyL3VybD91PWh0 dHBzLTNBX19ibHVlc3RvcC5vcmdfZmlvJmQ9RHdJQmFRJmM9czg4M0dwVUNPQ2hLT0hpb2NZdEdj ZyZyPUJnMHp0aGRJc3p2a0c0bkZoRHRZRlBVR1FiUUZNQUluZE12WHFBQnFKam8mbT04a3lEOFct QXRBTFBnNWZtbUEzSmdIaWplUmRGMGtYN0pjLTByNFF5cmpFJnM9Wl9FTGdka0NVaW9UbERoMXhT Ri1TQ2RkZkNlMldFb09GbkZxTmNOLVR4USZlPQ0KICAgICAgICA+IC4NCiAgICAgICAgDQogICAg ICAgIFJlYmVjY2EgaGFzIGJlZW4gZXhwbGFpbmluZyB5b3UndmUgZ2VuZXJhdGVkIGEgcmVwcm9k dWNpYmxlIGhhbmcgb24NCiAgICAgICAgV2luZG93cyBmaW8uIEp1c3QgZm9yIHJlZmVyZW5jZSwg Y2FuIHlvdSBjaGVjayB3aGV0aGVyIGZpbyAzLjUgYWxzbw0KICAgICAgICByZXByb2R1Y2VzIHRo ZSBwcm9ibGVtPw0KICAgICAgICANCiAgICAgICAgSXQgbG9va3MgbGlrZSB5b3VyIHB5dGhvbiBz Y3JpcHQgZ2VuZXJhdGVzIGZpbyBsaW5lcyB3aGljaCBhcmUgYmFzZWQNCiAgICAgICAgb2ZmIGNv bmZpZyBsaW5lcyBzaW1pbGFyIHRvIHRoZSBmb2xsb3dpbmc6DQogICAgICAgIA0KICAgICAgICBj b25maWc6IHsnYnMnOiA0MDk2LCAnZmlsZW5hbWUnOiAnXFxcXC5cXFBoeXNpY2FsRHJpdmUxJywg J251bWpvYnMnOg0KICAgICAgICAxLCAncnVudGltZSc6ICcyMCcsICdpb2RlcHRoJzogMSwgJ2Rp cic6ICdyYW5kcmVhZCcsICdzaXplJzogJzIwRyd9DQogICAgICAgIGNvbmZpZzogeydicyc6IDE2 Mzg0LCAnZmlsZW5hbWUnOg0KICAgICAgICAnXFxcXC5cXFBoeXNpY2FsRHJpdmUxOlxcXFwuXFxQ aHlzaWNhbERyaXZlMjpcXFxcLlxcUGh5c2ljYWxEcml2ZTM6XFxcXC5cXFBoeXNpY2FsRHJpdmU0 OlxcXFwuXFxQaHlzaWNhbERyaXZlNTpcXFxcLlxcUGh5c2ljYWxEcml2ZTY6XFxcXC5cXFBoeXNp Y2FsRHJpdmU3OlxcXFwuXFxQaHlzaWNhbERyaXZlOCcsDQogICAgICAgICdudW1qb2JzJzogMjQw LCAncnVudGltZSc6ICcyMCcsICdpb2RlcHRoJzogMSwgJ2Rpcic6ICdyYW5kcmVhZCcsDQogICAg ICAgICdzaXplJzogJzIwRyd9DQogICAgICAgIGNvbmZpZzogeydicyc6IDEwNDg1NzYsICdmaWxl bmFtZSc6ICdcXFxcLlxcUGh5c2ljYWxEcml2ZTEnLA0KICAgICAgICAnbnVtam9icyc6IDMwLCAn cnVudGltZSc6ICcyMCcsICdpb2RlcHRoJzogMSwgJ2Rpcic6ICdyYW5kcmVhZCcsDQogICAgICAg ICdzaXplJzogJzIwRyd9DQogICAgICAgIA0KICAgICAgICBJcyB0aGlzIGNvcnJlY3Q/IEknbSBh ZnJhaWQgSSdtIG5vdCBpbiBhIHBvc2l0aW9uIHdoZXJlIEkgY2FuIGVhc2lseQ0KICAgICAgICBk ZWJ1ZyB0aGlzIHVzaW5nIHRoZSBQeXRob24gc2NyaXB0IG9uIFdpbmRvd3MgKHNhZGx5IEkgaGF2 ZSBubw0KICAgICAgICBpbnRlcmFjdGl2ZSBhY2Nlc3MgdG8gV2luZG93cyBtYWNoaW5lcyBhdCB0 aGUgbW9tZW50KSBidXQgYSBmZXcgdGhpbmdzDQogICAgICAgIG1pZ2h0IGhlbHAgdG8gbmFycm93 IGRvd24gdGhlIHByb2JsZW06DQogICAgICAgIA0KICAgICAgICBIb3cgZnJlcXVlbnRseSBpcyB0 aGUgc2NyaXB0IGFibGUgdG8gcmVwcm9kdWNlIHRoZSBwcm9ibGVtPw0KICAgICAgICBDYW4geW91 IHN1YnN0aXR1dGUgZmlsZXMgZm9yIGRpc2tzIGFuZCBzdGlsbCByZXByb2R1Y2UgdGhlIHByb2Js ZW0/DQogICAgICAgIFdoYXQgYXJlIHRoZSBtaW5pbXVtIG51bWJlciBvZiBmaWxlbmFtZXMgaW52 b2x2ZWQgd2hlbiB5b3UndmUgc2VlbiBhDQogICAgICAgIGhhbmc/IERvZXMgaXQgYWx3YXlzIG5l ZWQgbW9yZSB0aGFuIDE/DQogICAgICAgIFdoYXQncyB0aGUgc21hbGxlc3Qgc2l6ZSB0aGF0IHlv dSBjYW4gdXNlIHRoYXQgc3RpbGwgcmVwcm9kdWNlcyB0aGUgcHJvYmxlbT8NCiAgICAgICAgV2hh dCdzIHRoZSBzbWFsbGVzdCBhbW91bnQgb2YgbnVtam9icyB0aGF0IHJlcHJvZHVjZSB0aGUgcHJv YmxlbT8gRG9lcw0KICAgICAgICBpdCBhbHdheXMgbmVlZCBtb3JlIHRoYW4gMT8NCiAgICAgICAg DQogICAgICAgIElkZWFsbHkgaWYgd2UgY2FuIGdldCBkb3duIHRvIHRoZSBzdGFnZSB3aGVyZSB3 ZSBydW4gc2F5IG9ubHkgdHdvIGZpbw0KICAgICAgICBsaW5lcyByZXBlYXRlZGx5IGluIGEgYmFz aCBzY3JpcHQgYW5kIG1ha2UgdGhlIHByb2JsZW0gaGFwcGVuIGl0IHdpbGwNCiAgICAgICAgbWFr ZSBpdCBlYXNpZXIgZm9yIG90aGVycyB0byBzZWUgdGhlIHByb2JsZW0gdG9vLi4uDQogICAgICAg IA0KICAgICAgICAtLSANCiAgICAgICAgU2l0c29mZSB8IGh0dHBzOi8vdXJsZGVmZW5zZS5wcm9v ZnBvaW50LmNvbS92Mi91cmw/dT1odHRwLTNBX19zdWNzLm9yZ18tN0VzaXRzXyZkPUR3SUJhUSZj PXM4ODNHcFVDT0NoS09IaW9jWXRHY2cmcj1CZzB6dGhkSXN6dmtHNG5GaER0WUZQVUdRYlFGTUFJ bmRNdlhxQUJxSmpvJm09OGt5RDhXLUF0QUxQZzVmbW1BM0pnSGlqZVJkRjBrWDdKYy0wcjRReXJq RSZzPTMxZkJqTVI5Q2Q5NVBMN1NzbTdoVjJXOEtyNVdtZUhrcC1hbXBCS2dDZk0mZT0NCiAgICAg ICAgDQogICAgDQogICAgDQoNCg==