-CURRENT freeze at boot after update

Cédric Jonas cedric at virtual-globe.net
Sat Jan 21 09:46:32 PST 2006

On Sat, 21 Jan 2006 11:59:45 -0500
Nicolas Blais <nb_root at videotron.ca> wrote:

> 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
> Booting my kernel.old works fine (fortunatly!).  I'm now looking at recent 
> changes that could be the cause between Jan 7 and now.
> Any suggestions?
> Nicolas.


I had the same problem, it seems to be related to 
Disable DMA on your CD/DVD drives, and it will work much better ;-)

/boot/loader.conf -> hw.ata.atapi_dma=0

But I hope this will be fixed in the future...

Best regards, 
 Cédric Jonas

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