linux-kernel - Re: IO errors after "block: remove bio_get_nr

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Message-ID: <CA+55aFyMPXK6VusHvNKim75O1ytXme7tA2g5+XQAziXuwUdHLA@mail.gmail.com>
Date:	Sun, 20 Dec 2015 20:47:18 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"Artem S. Tashkinov" <t.artem@...os.com>
Cc:	Ming Lei <tom.leiming@...il.com>,
	Kent Overstreet <kent.overstreet@...il.com>,
	Christoph Hellwig <hch@....de>,
	Ming Lin <ming.l@....samsung.com>, Jens Axboe <axboe@...com>,
	"Artem S. Tashkinov" <t.artem@...lcity.com>,
	Steven Whitehouse <swhiteho@...hat.com>,
	Tejun Heo <tj@...nel.org>, IDE-ML <linux-ide@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: IO errors after "block: remove bio_get_nr_vecs()"

On Sun, Dec 20, 2015 at 8:43 PM, Artem S. Tashkinov <t.artem@...os.com> wrote:
>
> In the past I happily ran an x86_64 bit kernel together with 32bit userland
> for quite some time but then I hit a wall: VirtualBox expects its kernel
> modules to have the same bitness as the application itself so I had to
> revert back to an i686 PAE setup.

Ugh, ok. That kind of forces your hand, yes.

Although:

> t's probably high time to try qemu however last time I looked at it a few
> years ago it lacked several crucial features I need from a VM.

kvm-qemu really ends up working pretty well.. Give it a try.

That said, we obviously need to figure out this current problem
regardless first..

                 Linus
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