Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

Meelis Roos
2019-02-19T13:49:32Z

> Thanks for information. Yeah, that makes somewhat more sense. Can you ever
> see the failure if you disable CONFIG_TRANSPARENT_HUGEPAGE?
HAVE_ARCH_TRANSPARENT_HUGEPAGE [=n]

Seems there is no THP on alpha.

> Because your
> findings still seem to indicate that there' some problem with page
> migration and Alpha (added MM list to CC).

But my kernel config had memory compaction (that turned on page migration) and
bounce buffers. I do not remember why I found them necessary but I will try
without them.

--
Meelis Roos <mroos@linux.ee>