linux-kernel - Re: EXT4 bad block

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Message-ID: <20160428151000.13b1438a@lxorguk.ukuu.org.uk>
Date:	Thu, 28 Apr 2016 15:10:00 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	"Lay, Kuan Loon" <kuan.loon.lay@...el.com>
Cc:	"tytso@....edu" <tytso@....edu>,
	"adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: EXT4 bad block

On Thu, 28 Apr 2016 09:44:16 +0000
"Lay, Kuan Loon" <kuan.loon.lay@...el.com> wrote:

> Hi,
> 
> I encounter random bad block on different file, the message looks like "EXT4-fs error (device mmcblk0p14): ext4_xattr_block_get:298: inode #77: comm (syslogd): bad block 7288". 
> 
> I am using mke2fs 1.43-WIP (18-May-2015) and I saw this message "Suggestion: Use Linux kernel >= 3.18 for improved stability of the metadata and journal checksum features." print out. 
> 
> My current kernel version is 3.14.55, what patch I need to backport to solve the bad block issue?

I think you could start by providing a lot more information about the
platform you see it on, the other messages logged, whether you've run
memtest86 on the machine, whether it is stable if you boot a 4.4 kernel
and so on.

Without that information I doubt anyone can help you with your bug.

Alan