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SubjectRe: Trashing ext2 with hdparm
On Wed, Dec 06, 2000 at 06:25:15PM +0100, Udo A. Steinberg wrote:
> hdparm -tT /dev/hdb1 does the trick here.
>
> After that, several files are corrupted, such as /etc/mtab.
> Reboot+fsck fixes the problem, however e2fsck never finds
> any errors in the fs on disk.

I'm currently trying to isolate a bug that is triggered by invalidate_buffers
and leads to in-memory filesystem corruption.
As hdparm -tT AFAIK calls invalidate_buffers (through BLKFLSBUF),
this may be related.

Jan

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