-CURRENT freeze at boot after update

Gavin Atkinson gavin.atkinson at ury.york.ac.uk
Sat Jan 21 09:42:08 PST 2006

On Sat, 21 Jan 2006, Nicolas Blais wrote:
> 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.

My first guess would be the DMA dump support in ata:

Try backing that out.


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