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Re: HEADS-UP: jdolecek-ncq branch merge imminent
On Wed, Jun 07, 2017 at 09:45:48PM +0200, Jaromír Doleček wrote:
> I plan to merge the branch to HEAD very soon, likely over the weekend.
> Eventual further fixes will be done on HEAD already, including mvsata(4)
> restabilization, and potential switch of siisata(4) to support NCQ.
> The plan is to get this pulled up to netbsd-8 branch soon also, so that it
> will be part of 8.0.
> - ahci(4) fully working with NCQ (confirmed with qemu, and real hw)
> - piixide(4) continues working (no NCQ support of course) (confirmed in
> - siisata(4) continues working (without NCQ still) (confirmed with real hw)
> - mvsata(4) not yet confirmed working after changes, mainly due the DMA not
> really working on Marvell 88SX6042 which I have available - I have same
> issue as kern/52126
> - other ide/sata drivers received mechanical changes, should continue
> working as before
My limited testing has shown that the device error handling paths need
work yet. It's unfortunately been a few weeks since I've tested things,
so my memory isn't fresh with the details. The general issue is that
ata(4) is doing error handling in interrupt context, and NCQ error
handling is straining that assumption.
At this point I advise that the branch could be synced with HEAD and
further testing done before merge. I can not advise that this be
pulled up to netbsd-8 before more extensive and comprehensive testing
has been done.
I've got siisata(4) NCQ stuff I should commit to the branch.
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