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Date: Mon, 15 Jun 2020 16:57:48 +0530 From: Ritesh Harjani <riteshh@...ux.ibm.com> To: Pavel Machek <pavel@....cz>, kernel list <linux-kernel@...r.kernel.org>, peterz@...radead.org, mingo@...hat.com, will@...nel.org, jack@...e.com, tytso@....edu, adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org Subject: Re: 5.8-rc1: new warnings in ext4_mb_new_blocks? 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
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