atapicam problem (again): hang on boot with DVD burner

[Sergey Lungu]

On Tue, 7 Feb 2006 18:07:50 +1030 Malcolm Kay
<malcolm.kay at internode.on.net> wrote:

> On Tue, 7 Feb 2006 09:29 am, Sergey Lungu wrote:
> > Hi!
> >
> > I'm not burning DVDs frequently, so I haven't seen this
> > problem before. I have burned a DVD with growisofs and after
> > that I am seeing a 3-5 min hang at boot time. No error
> > messages at all, just hang :)
> >
> > Here is what I have:
> >
> > Copyright (c) 1992-2005 The FreeBSD Project.
> > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992,
> > 1993, 1994 The Regents of the University of California. All
> > rights reserved. FreeBSD 6.1-PRERELEASE #0: Fri Feb  3
> > 11:35:18 MSK 2006
> > keyer at ogre.obchaga.org:/usr/obj/usr/src/sys/OGRE
> > ACPI APIC Table: <A M I  OEMAPIC >
> > Timecounter "i8254" frequency 1193182 Hz quality 0
> > CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2405.47-MHz 686-class
> > CPU) Origin = "GenuineIntel"  Id = 0xf41  Stepping = 1
> >
> > [...]
> >
> > acd0: DMA limited to UDMA33, controller found non-ATA66 cable
> > acd0: DVDR <PIONEER DVD-RW DVR-110D/1.08> at ata1-master
> > UDMA33 cd0 at ata1 bus 0 target 0 lun 0
> > cd0: <PIONEER DVD-RW  DVR-110D 1.08> Removable CD-ROM SCSI-0
> > device cd0: 33.000MB/s transfers
> > cd0: Attempt to query device size failed: NOT READY, Medium
> > not present
> >
> In my limited experience of hanging on boot up the delay has been 
> caused by the next, not yet announced activity (possibly not a 
> very useful comment).
> 
> Malcolm

As you can see below the next activity is "Trying to mount root from
ufs:/dev/ad0s2a" and it is definitely not the cause of hang. Any way,
maybe there is some oher information I can supply to clear the problem
up?

> > [3-5 min hang goes here]
> >
> > Trying to mount root from ufs:/dev/ad0s2a
> >
> > The most interesting thing is that I had no such problem
> > before using my DVD burner!
> >
> > Is there a way to fix it?


-- 
Sergey Lungu

Please don't steal, the IRS hates competition!