Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)]

Oliver Neukum
2016-08-14T14:19:48Z

On Sun, 2016-08-14 at 10:53 +0000, Tom Yan wrote:
> Btw, why hasn't this been CC'd to linux-scsi at the very least? The
> SCSI disk (sd) driver is obviously the sociopath here. It should
> really differentiate disks from libata and usb-storage/uas, and wait
> for at least a minute to see if there's gonna be an ATA drive popping
> up before enumerating disks from the latter. Sociopaths like me that
> put the root filesystem on an UAS drive should really be ignored.
> Wait, there's NVMe! Problem solved.

We most certainly cannot introduce such a delay. If this really
must be done, we need synchronisation primitives between the
subsystemes, or we need stable names in kernel space.

Regards
Oliver