Re: IO errors after "block: remove bio_get_nr_vecs()"

[Artem S. Tashkinov]

On 2015-12-21 10:23, Linus Torvalds wrote:
> On Sun, Dec 20, 2015 at 8:47 PM, Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> > That said, we obviously need to figure out this current problem
> > regardless first..
>
> ... although maybe it *would* be interesting to hear what happens if
> you just compile a 64-bit kernel instead?
>
> Do you still see the problem? Because if not, then we should look very
> specifically for some 32-bit PAE issue.
>
> For example, maybe we use "unsigned long" somewhere where we should
> use "phys_addr_t". On x86-64, they obviously end up being the same. On
> normal non-PAE x86-32, they are also the same. But ..

Let's wait for what Tejun Heo might say - I've applied his debugging 
patch and sent back the results.

Building x86_64 kernel here involves installing a 64bit Linux VM, so I'd 
like it to be the last resort.
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