From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "longli@microsoft.com" , "axboe@kernel.dk" CC: "sthemmin@microsoft.com" , "kys@microsoft.com" Subject: Re: [PATCH] block-mq: set both block queue and hardware queue restart bit for restart Date: Thu, 6 Apr 2017 03:45:36 +0000 Message-ID: <1491450335.8994.1.camel@sandisk.com> References: <1491437781-3565-1-git-send-email-longli@exchange.microsoft.com> <1491438735.2787.18.camel@sandisk.com> In-Reply-To: Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gVGh1LCAyMDE3LTA0LTA2IGF0IDAzOjM4ICswMDAwLCBMb25nIExpIHdyb3RlOg0KPiA+IC0t LS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+ID4gRnJvbTogQmFydCBWYW4gQXNzY2hlIFttYWls dG86QmFydC5WYW5Bc3NjaGVAc2FuZGlzay5jb21dDQo+ID4gDQo+ID4gUGxlYXNlIGRyb3AgdGhp cyBwYXRjaC4gSSdtIHdvcmtpbmcgb24gYSBiZXR0ZXIgc29sdXRpb24uDQo+IA0KPiBUaGFuayB5 b3UuIExvb2tpbmcgZm9yd2FyZCB0byB5b3VyIHBhdGNoLg0KDQpIZWxsbyBMb25nLA0KDQpJdCB3 b3VsZCBoZWxwIGlmIHlvdSBjb3VsZCBzaGFyZSB0aGUgbmFtZSBvZiB0aGUgYmxvY2sgb3IgU0NT SSBkcml2ZXIgd2l0aA0Kd2hpY2ggeW91IHJhbiBpbnRvIHRoYXQgbG9ja3VwIGFuZCBhbHNvIGlm IHlvdSBjb3VsZCBzaGFyZSB0aGUgbmFtZSBvZiB0aGUNCkkvTyBzY2hlZHVsZXIgdXNlZCBpbiB5 b3VyIHRlc3QuDQoNClRoYW5rcywNCg0KQmFydC4= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755582AbdDFDp6 (ORCPT ); Wed, 5 Apr 2017 23:45:58 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:20681 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755446AbdDFDpk (ORCPT ); Wed, 5 Apr 2017 23:45:40 -0400 X-IronPort-AV: E=Sophos;i="5.37,282,1488816000"; d="scan'208";a="110909291" From: Bart Van Assche To: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "longli@microsoft.com" , "axboe@kernel.dk" CC: "sthemmin@microsoft.com" , "kys@microsoft.com" Subject: Re: [PATCH] block-mq: set both block queue and hardware queue restart bit for restart Thread-Topic: [PATCH] block-mq: set both block queue and hardware queue restart bit for restart Thread-Index: AQHSrmzSSZ/m2CRLtUe7E7wgCa1JMaG3faCAgAA0AwCAAAICgA== Date: Thu, 6 Apr 2017 03:45:36 +0000 Message-ID: <1491450335.8994.1.camel@sandisk.com> References: <1491437781-3565-1-git-send-email-longli@exchange.microsoft.com> <1491438735.2787.18.camel@sandisk.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: vger.kernel.org; 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spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <297C70C3F1064D4FAEB7194B04CB4B9F@namprd04.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: sandisk.com X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Apr 2017 03:45:36.7235 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0401MB1533 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id v363k8aU029112 On Thu, 2017-04-06 at 03:38 +0000, Long Li wrote: > > -----Original Message----- > > From: Bart Van Assche [mailto:Bart.VanAssche@sandisk.com] > > > > Please drop this patch. I'm working on a better solution. > > Thank you. Looking forward to your patch. Hello Long, It would help if you could share the name of the block or SCSI driver with which you ran into that lockup and also if you could share the name of the I/O scheduler used in your test. Thanks, Bart.