On 01/12/14(Mon) 15:41, Scott Bonds wrote: > While investigating the slow hard drive on my MacbookAir6,1, I decided > to take a working installation of -current (20141201 snapshot) on a USB > drive and try booting it on the MBA6,1. I discovered that booting off of > a usb drive (with a full install, i.e. bsd.mp NOT bsd.rd) hangs once the > boot reaches this line: > > uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 > > This behavior manifests while using a 'normal' boot--I did not use the > OSX bless utility to get the builtin USB controller into ehci mode > instead of xhci mode. When I *do* do that (use bless to set the usb > controller into ehci mode) the boot progresses to: > > scsibus4 at softraid0: 256 targets > > then pauses there for 5 minutes, then proceeds to boot just fine. When > booting this way, I observe the same pauses/slowness when operating on > the builtin hard drive as mentioned in the thread I started on that > topic: > > http://marc.info/?l=openbsd-misc&m=141747241629431&w=2 > > Anyway, I mention the xhci boot hang behaviour because I know xhci > development is active, and I thought this result may be > interesting/useful for that.
Such long hang generally means that timeouts are occurring. If you can compile a kernel with XHCI_DEBUG and UHUB_DEBUG defined and send me a dmesg, it will be much appreciated. Martin
