Re: [Xen-users] xvda I/O errors in linux 3.1 under XCP 1.0

[Steve Allison <xen-users@xxxxxxxxxxxxxxxxxx>]

On 29/09/2011 17:43, George Shuklin wrote:
> Good day.
>
> I'm getting this error:
>
> [101017.440858] blkfront: barrier: empty write xvda op failed
> [101017.440862] blkfront: xvda: barrier or flush: disabled
> [101017.463438] end_request: I/O error, dev xvda, sector 3676376
> [101017.463452] end_request: I/O error, dev xvda, sector 3676376
> [101017.463459] Buffer I/O error on device xvda1, logical block 459291
> [101017.463464] lost page write due to I/O error on xvda1
>
> It happens in every linux 3.1 rc since rc2 during boot (may be in
> 3.1-rc1 - but it crash at start). Linux 3.0 boots fine. This is not
> hardware or storage error: only Linux 3.1 cause this.
>
> Did some one saw this?  What the reason can be behind this? (I'm not
> sure but this looks like announcing wrong size of block device, so ext3
> failing to change it journal).
>
>
>
>
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Try using the barriers=0  mount option

$ grep xvda2 /etc/fstab
/dev/xvda2 / ext4 noatime,nodiratime,errors=remount-ro,barrier=0 0 1

--
May the ping be with you ..


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