5.4-RC2 freezing - ATA related?

[Søren Schmidt]

Elliot Finley wrote:
> This has been happening since 5.3-R, I've been tuning different parameters
> to no avail.  I've taken the disks off of the onboard ICH5 controller and
> put them a promise TX4 S150 controller, but still the same thing happens.
> 
> The system freezes, but isn't totally dead.  It'll still respond to pings,
> the screensaver still functions, but it won't respond to a CAD at the
> console.  But if I press 'Enter' at the console, it'll give me a 'login:'
> prompt, but after entering the username, it never comes back with the
> 'password:' prompt.
> 
> After manually resetting the system it boots and says 'Automatic file system
> check failed; help!' and drops into single user mode.  Running fsck manually
> corrects errors on all volumes.  Then it'll boot from that point.
> 
> This seems to be triggered by daily periodic as it happens at 3:02-3:03AM
> each time.  But it doesn't happen *every* morning.

Hmm, sounds as a deadlock somewhere.
On the ATA part, try the ATA mkIII patches on 
http://people.freebsd.org/~sos/ATA and see if that changes anything.

-- 

-Søren