Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 15 Apr 2016 07:29:23 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Ivan Klymenko <fidaj@ukr.net>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: Heads up
Message-ID:  <CANCZdfqC5yAO35N3A-9Nus5HpAujHzcy=t=nKGdT7BVf8-_G8g@mail.gmail.com>
In-Reply-To: <20160415114443.660453cb@nonamehost.local>
References:  <CANCZdfpnYnVrvhNagYUT9RhAuC1AMCrxh=GCt8RKT0bqxuJybw@mail.gmail.com> <20160415114443.660453cb@nonamehost.local>

next in thread | previous in thread | raw e-mail | index | archive | help
Do you have this problem w/o CAM_NETFLIX_IOSCHED?

What version of virtualbox? I've not booted with that in 3 years.

Warner

On Fri, Apr 15, 2016 at 2:44 AM, Ivan Klymenko <fidaj@ukr.net> wrote:

> On Thu, 14 Apr 2016 16:42:33 -0600
> Warner Losh <imp@bsdimp.com> wrote:
>
> > The CAM I/O scheduler has been committed to current. This work is
> > described in
> > https://people.freebsd.org/~imp/bsdcan2015/iosched-v3.pdf though the
> > default scheduler doesn't change the default (old) behavior.
> >
> > One possible issue, however, is that it also enables NCQ Trims on ada
> > SSDs. There are a few rogue drives that claim support for this
> > feature, but actually implement data corrupt instead of queued trims.
> > The list of known rogues is believed to be complete, but some caution
> > is in order.
> >
> > Warner
>
> Hi.
> Thanks for you work.
> But i have problem with VirtualBox if i use the kernel with option
> CAM_NETFLIX_IOSCHED
> http://imgur.com/JpcfW1h
>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CANCZdfqC5yAO35N3A-9Nus5HpAujHzcy=t=nKGdT7BVf8-_G8g>