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To: Pavel Machek , kernel list , peterz@infradead.org, mingo@redhat.com, will@kernel.org, jack@suse.com, tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org References: <20200615073712.GA4164@duo.ucw.cz> From: Ritesh Harjani Date: Mon, 15 Jun 2020 16:57:48 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200615073712.GA4164@duo.ucw.cz> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Message-Id: <20200615112749.104AF52054@d06av21.portsmouth.uk.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-15_02:2020-06-15,2020-06-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 suspectscore=0 malwarescore=0 cotscore=-2147483648 clxscore=1011 adultscore=0 phishscore=0 priorityscore=1501 mlxlogscore=999 mlxscore=0 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006150082 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On 6/15/20 1:07 PM, Pavel Machek wrote: > Hi! > > Booting 5.8-rc1 on x220, I get scary warnings: > > [ 7.089941] EXT4-fs (sdb2): mounted filesystem with ordered data mode. Opts: errors=remount-ro > [ 7.343231] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/2788 > [ 7.344052] caller is debug_smp_processor_id+0x17/0x20 > [ 7.344897] CPU: 3 PID: 2788 Comm: systemd-tmpfile Not tainted 5.8.0-rc1+ #116 > [ 7.345745] Hardware name: LENOVO 42872WU/42872WU, BIOS 8DET74WW (1.44 ) 03/13/2018 > [ 7.346561] Call Trace: > [ 7.347355] dump_stack+0x60/0x7a > [ 7.348170] check_preemption_disabled+0xb1/0xc0 > [ 7.348951] debug_smp_processor_id+0x17/0x20 > [ 7.349728] ext4_mb_new_blocks+0x1f2/0x13e0 > > and they continue after boot. > Below should fix this. I guess it couldn't make it to rc1. https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?h=ext4-for-linus-5.8-rc1-2&id=811985365378df01386c3cfb7ff716e74ca376d5 -ritesh