On Sun, Aug 02, 2015 at 08:48:06PM +0200, Andreas Hartmann wrote:
> >>https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b48db66e08ca1c1bc07cf305d672ac940268dc
> >>
> >>block: remove artifical max_hw_sectors cap
Looking at the patch, it seems to me that it just uncovered a bug
elsewhere. It looks like an underlying driver doesn't expect the
big io-requests that the patch enables and does not dma-map the whole
target buffer, causing the IO_PAGE_FAULTs later.
Joerg
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