linux-kernel - Re: [3.7-rc8 regression] Buffer I/O error on device sda during boot (attempt to access beyond end of device)

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Message-ID: <20226716.3fCgHS08dt@al>
Date:	Mon, 10 Dec 2012 12:06:08 +0100
From:	Lekensteyn <lekensteyn@...il.com>
To:	M Z <magez.magez@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [3.7-rc8 regression] Buffer I/O error on device sda during boot (attempt to access beyond end of device)

Hi,

On Monday 10 December 2012 11:42:22 M Z wrote:
> booting vanilla  3.7-rc8 kernel on Acer Aspire 1810TZ yields these
> errors (I was using 3.6.9-1 and 3.5.5-1 from Debian experimental
> before without these errors)
> 
>  [    9.265058] attempt to access beyond end of device
<snip>
>  [    9.265389] Buffer I/O error on device sda1, logical block 121047812
> 
> 
> Any idea before I hit the bisect route? (should I worry about these errors? 
> )

This error immediately showed up when testing 3.7-rc8 and is discussed/patched 
already on https://lkml.org/lkml/2012/12/3/497. 

To cite from https://lkml.org/lkml/2012/12/3/510:
> Anyway, to clarify: the printk's are harmless, since the IO past the
> end of the device is just error'ed out, and always has been.  Which is
> why I was considering just removing them.

Regards,
Peter
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