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Wed, 29 Aug 2018 10:55:12 +0000 Subject: Re: reboot on wandboard fails with v4.14.67 (bisected to 2059e527a6) From: Rasmus Villemoes To: stable@vger.kernel.org, Fabio Estevam Cc: LKML , =?UTF-8?Q?Sean_Nyekj=c3=a6r?= , Andrey Smirnov , Greg Kroah-Hartman , Shawn Guo References: Message-ID: Date: Wed, 29 Aug 2018 12:55:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [81.216.59.226] X-ClientProxiedBy: DB7PR04CA0009.eurprd04.prod.outlook.com (2603:10a6:10:12::22) To DB6PR1001MB1336.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:4:b4::23) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4b603dbe-941f-4b1a-37ba-08d60d9de5a7 X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989137)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600074)(711020)(2017052603328)(7153060)(7193020);SRVR:DB6PR1001MB1336; 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After upgrading to > v4.14.67, reboot no longer works (or, well, takes a very long time when > the watchdog is configured). > > v4.14.66 works fine, the breakage bisects to > 2059e527a659cf16d6bb709f1c8509f7a7623fc4 (ARM: imx_v6_v7_defconfig: > Select ULPI support), and reverting that on top of v4.14.67 again works. FWIW, v4.18 (the mainline release containing the upstream commit 157bcc0609) works fine, while v4.17.19 which also has that commit backported (as df06ca1f56) fails. So I'm guessing there must be some other commits in v4.18 that happen to make imx_v6_v7_defconfig work. Rasmus