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Re: kern/52700: Testbed VMs hang on wd1 access since recent ATA changes

On Sun, Nov 05, 2017 at 02:57:10PM +0100, Jaromír Dole?ek wrote:
> I had a brief look into wd.c, seems after the dksubrification, the wddone()
> no longer calls ata_channel_start(), which likely will cause I/O to stall
> on machines with port multiplier. This should be fixed of course, but I
> don't think it causes this issue.

Doesn't stall I/O only for port multiplier, but probably also for
PATA slave drives..

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

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