ACK / APPLIED[D]: [PATCH 0/3] [SRU][Cosmic] Fix unusable SSD on configs that have 2 SSDs

Anthony Wong anthony.wong at canonical.com
Sat Jan 19 02:27:26 UTC 2019


On Sat, 19 Jan 2019 at 02:52, Seth Forshee <seth.forshee at canonical.com>
wrote:

> On Thu, Jan 17, 2019 at 04:35:50PM +0800, Anthony Wong wrote:
> > From: Anthony Wong <anthony.wong at canonical.com>
> >
> > [Impact]
> > On Thinkpad X1 Extreme with two SSDs, if NQN in the firmware are
> > identical, then only one drive can be seen. NQN is supposed to be unique
> > but some Intel drives do not follow that.
> >
> > [Fix]
> > The device-supplied subnqn is ignored and one will be generated as if
> > the field is empty.
> >
> > The upstream patch conflicts with a value in 'enum nvme_quirks' that we
> > added in a SAUCE patch, changed that from (1<<8) to (1<<15).
> >
> > [Test]
> > With this fix, both drives can be seen.
> >
> > [Regression Potential]
> > The fix limits to Intel 760p/Pro 7600p SSD, and the fix has been
> > verified by the bug reporter.
>
> Upstream cherry picks and backports, positive testing.
>
> Acked-by: Seth Forshee <seth.forshee at canonical.com>
>
> Applied to disco/master-next. Please remember to include the development
> kernel in the future, thanks!
>

Will do next time, I thought disco will get 5.0 eventually so didn't do so.

Thanks,
Anthony
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