linux-kernel - RE: EXT4 bad block - ext4_xattr_block

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Message-ID: <61AE2E6F29F7AC4182A7076FC3478CDAC2D3EB@PGSMSX101.gar.corp.intel.com>
Date:	Mon, 9 May 2016 01:52:18 +0000
From:	"Lay, Kuan Loon" <kuan.loon.lay@...el.com>
To:	Philipp Hahn <pmhahn@...ahn.de>, "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 - ext4_xattr_block_get

Hi,

Not getting the bad block message after disable metadata_csum.

Best Regards,
Lay

> -----Original Message-----
> From: Philipp Hahn [mailto:pmhahn@...ahn.de]
> Sent: Monday, May 2, 2016 2:43 PM
> To: Lay, Kuan Loon <kuan.loon.lay@...el.com>; tytso@....edu;
> adilger.kernel@...ger.ca; linux-ext4@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Subject: Re: EXT4 bad block - ext4_xattr_block_get
> 
> Hello,
> 
> Am 28.04.2016 um 11:44 schrieb Lay, Kuan Loon:
> > 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".
> 
> Interesting; I posted a similar bug report on 2016-04-19 titles  [BUG 4.1.11]
> EXT4-fs error: ext4_xattr_block_get:299 - Remounting filesystem read-only
> 
> I never got a reply.
> 
> > 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?
> 
> That one happened on 4.1.11 on a virtual machine running inside VMware-
> ESX after a hardware change. Last change was to disabled the pvscsi drivers
> again; the system seems to be running fine since 1 week, but the first time it
> took 1 month to notice the corruption, so we're not yet sure that the
> problem is solved.
> 
> Philipp