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Bottomley" , "Martin K. Petersen" Subject: Re: [regression/bisected] 4.19 cycle boot time IO stalls From: "Martin K. Petersen" Organization: Oracle Corporation References: <1536137722.4813.66.camel@gmx.de> <178d6adc-2a79-99dc-daa8-fb0ed9f0afd1@kernel.dk> Date: Wed, 05 Sep 2018 12:25:22 -0400 In-Reply-To: <178d6adc-2a79-99dc-daa8-fb0ed9f0afd1@kernel.dk> (Jens Axboe's message of "Wed, 5 Sep 2018 07:39:08 -0600") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9007 signatures=668708 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=863 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1809050167 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jens, > I bet it's the host busy change from Ming, which I already > reported as being the culprit for another test failure I had. For > some reason it's not merged yet, nudge nudge Martin. I reverted the two offending changes last week. James just hasn't sent Linus a pull request yet... -- Martin K. Petersen Oracle Linux Engineering