update* Bootup hangs on scsi cdrom attaching

Alexander Motin mav at FreeBSD.org
Fri Jan 29 07:36:36 UTC 2010


Alexander Motin wrote:
> inurneck wrote:
>> I turned off my seconday scsi controller (scsi cdroms) and the box boots
>> fine. --With no scsi cdrom devices.. Looking at the code in the last 20
>> hours a lot of things have been done to CAM. I am putting my money in that
>> direction. Any idea where I should begin? How can I tell freebsd just to not
>> probe the cdroms at boot, I don't need to be told, nor even care if a cdrom
>> is in the device or not upon boot, Why would I want 12 lines of error
>> messages on bootup telling me when there isnt, and now, a machine that wont
>> boot? I could have lived with just the errors, and I was, but this? hmm.
> 
> Can you (for beginning) grab verbose boot messages?

Also you may try to enable INVARIANTS.

-- 
Alexander Motin


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