-CURRENT freeze at boot after update

[Michael Landin Hostbaek]

Nicolas Blais (nb_root) writes:
> Hi,
> 
> I did my usual saturday -CURRENT sync (buildworld/kernel) this morning and my 
> machine freezes at boot. The freeze occurs right after HD detection, and 
> before (or during) mounting partitions :
> 
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/11.10, addr 2, iclass 3/1
> ums0: 3 buttons and Z dir.
> Timecounter "TSC" frequency 2493036546 Hz quality 800
> Timecounters tick every 1.000 msec
> ad0: 78167MB <Maxtor 6Y080L0 YAR41BW0> at ata0-master UDMA133
> acd0: DVDR <HL-DT-ST DVDRAM GSA-4163B/A105> at ata1-master UDMA33
> ad4: 76319MB <Seagate ST380817AS 3.42> at ata2-master SATA150
> <FREEZE HERE>

Just a quick me too !

Disabling dma for my cd/dvd drive gets it rolling again.

I spoke briefly to sos@ about it, and he has been unable to reproduce
this, so someone with time / knowledge should dig deeper and send him a
mail with the findings.

/mich