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SubjectRe: Kernel-2.4.17pre8 & invalidate: busy buffer
You will see this message with LVM too when issuing vgscan/vgchange.

On 13-Dec-2001 Benjamin Herrenschmidt wrote:
>>Hello,
>>
>>Currently while running on a RedHat Linux 7.2 box with kernel-
>>2.4.17pre8, whenever I run the "hdparm -t /dev/sda3" command, the
>>following error message will appear around 33+ times
>>in /var/log/messages as well as "dmesg" .
>>
>>invalidate: busy buffer
>>
>>The machine in question is a Dell PowerEdge 2550 with an AACRAID
>>controller and 2 x 18GB HDs in RAID-1 configuration and /dev/sda3 being
>>mount as / .
>
> That's interesting. I've been seeing this message for some time now
> (I think since around 2.4.15 at least, maybe longer). I modified the
> printk to display the device number, and at that time, it seemed to
> always originate from the partition that had a mounted HFS volume.
> So I just added that to my (long) list of HFS bugs to fix when I
> find enough time to dive into it.
>
> However, I just got a report from some users having the same message
> displayed when using parted and with no HFS partition (HFS filesystem
> not loaded). I personally see this messages when using/leaving MacOnLinux
> emulator (which is opening the block device of a partition that is also
> mounted), or when shutting down the box.
>
> Al, any clue ? Something you want me to do to track it further down ?
>
> Ben.
>
>
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Andreas Steinmetz
D.O.M. Datenverarbeitung GmbH
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