Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp8755943ybi; Tue, 23 Jul 2019 14:35:30 -0700 (PDT) X-Google-Smtp-Source: APXvYqx/HI6OOEubdh51N9/Qa28zNFFHXTgfWSSWTXPTzyo7tGwwRAh+LNjbaIu2XzKgnsTYvqMs X-Received: by 2002:a65:5a44:: with SMTP id z4mr78420281pgs.41.1563917730450; Tue, 23 Jul 2019 14:35:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563917730; cv=none; d=google.com; s=arc-20160816; b=FnST/lptzMadkEP1jR01OvtDDbsIOOR/iZrM3OF76n82FQsPB/ZaWts+I5Qh2SUhUG opP5QMykbPG9a5C9R8myQdPMrHseoTLvJLGnHLzYFdWIKb+SvnHWtWXxPj2BK0/LHyV/ DjWMghR3x5XrVjLHlnL48N4Pfi4XD1kdLi93K1JSNQyvVqjzUgRQPkFj1DZPtL21NyJm DnLoU1KOz1ukW6h/r3sfviIL+W99VDmPh55UGoTw1u36FkCQP0HUjIvU6+eTTHiyz6QE rH3cjLWL2ml2BkWRqM7fwBQ7+tjsqyLshX18DxLLn6870K97rzO5yUqCJ5ZyMPQee3Z8 7Eng== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:subject:user-agent:message-id :references:cc:in-reply-to:from:to:content-transfer-encoding :mime-version; bh=v2CzXe89FGA9SHWnoln6jUYeY87ljs1i0qRxQXm11cs=; b=TUivooapS5GNlClvWFrUym1BgTiL2PKJjSTkvUXy7of3vp1Ry04r4AgRsGnpMzQSps /0uIbrNbADe4HUfWZohSD79GuU0zRDjRK8rYtFoPFjKoALp1iyN6xcI/WecVEwrCjqB7 r19Vgst3I4U0PZEQzXcBK3jkie6u3fAFZDhgyOkIBH0F/3PQwDK93dWr/ooDWWoHfNf+ jhWmY4rDd5HeewgK9A6wwHVdUbPwHOzVPRb4TCqUZBELOPPu151ilHEwUDpQ+F30wrGC IS0nIXLO1g+q+H14d9okqJmqTFvufzVCwlXDjEFVloZXtnFY5FnjDWKvUgTQsZZ3O3/u MuTg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f6si11587113pgc.123.2019.07.23.14.35.14; Tue, 23 Jul 2019 14:35:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387556AbfGWL3C convert rfc822-to-8bit (ORCPT + 99 others); Tue, 23 Jul 2019 07:29:02 -0400 Received: from mail.fireflyinternet.com ([109.228.58.192]:65146 "EHLO fireflyinternet.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727826AbfGWL3B (ORCPT ); Tue, 23 Jul 2019 07:29:01 -0400 X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from localhost (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP (TLS) id 17532238-1500050 for multiple; Tue, 23 Jul 2019 12:28:49 +0100 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT To: "Winkler, Tomas" , "intel-gfx@lists.freedesktop.org" From: Chris Wilson In-Reply-To: <5B8DA87D05A7694D9FA63FD143655C1B9DC7C082@hasmsx108.ger.corp.intel.com> Cc: "linux-kernel@vger.kernel.org" , "Usyskin, Alexander" , "C, Ramalingam" References: <20190723111913.20475-1-chris@chris-wilson.co.uk> <5B8DA87D05A7694D9FA63FD143655C1B9DC7C082@hasmsx108.ger.corp.intel.com> Message-ID: <156388132716.31349.11822559564861280475@skylake-alporthouse-com> User-Agent: alot/0.6 Subject: RE: [PATCH] mei: Abort writes if incomplete after 1s Date: Tue, 23 Jul 2019 12:28:47 +0100 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Winkler, Tomas (2019-07-23 12:25:14) > > > > During i915 unload, it appears that it may get stuck waiting on a workqueue > > being hogged by mei: > > Thanks for the bug report, but this is not a proper fix, we will try to work it out. Perfect :) It's only happened a couple of times in the last week or so, but if you want to throw patches at intel-gfx-trybot@lists.freedesktop.org to try and grab more information, please feel free to. -Chris