Re: umass causes panic on 7 amd64

on 17/04/2008 18:31 Paul Schmehl said the following:
> --On Thursday, April 17, 2008 18:06:28 +0300 Andriy
Gapon <avgicyb.net.ua> 
> wrote:
> 
>> on 17/04/2008 17:56 Paul Schmehl said the
following:
>>> I wish I had a core file to analyze.  *Every*
time I reboot my machine, I
>>> have  to disconnect my usb drive.  Then I have
to remount it after I'm back
>>> up and  running.  If I leave it connected
during the reboot, I get the same
>>> kind of  errors that were posted by Steve. 
After the system is up and
>>> running, umass is  detected normally and I can
mount and use the drive with
>>> no problems.  I'm on  i386, so it doesn't look
like an AMD-specific problem.
>>>
>>> # uname -a
>>> FreeBSD utd65257.utdallas.edu 7.0-STABLE
FreeBSD 7.0-STABLE #6: Wed Apr 16
>>> 17:14:28 CDT 2008    
utd65257.utdallas.edu:/usr/obj/usr/src/sys/GENERIC
>>> i386
>>>
>>> I've rebuilt kernel and world six times in the
hopes that recent src updates
>>> would fix the problem.
>>>
>>> Unfortunately, since the error occurs during
boot, I know of no way to
>>> capture  the error message.  If I log console
would that do it?  I doubt the
>>> console is  logging at that point.  I don't
think syslogd is even running
>>> yet.
>>>
>> Eh I think I saw something like this myself.
>> Do you by a chance have that new device sg in your
kernel?
>> I assume you do (GENERIC) - try to drop it.
>> I am not sure if this is some brokenness of that
driver or fighting of
>> several USB drivers over the same hardware.
>>
>> P.S. sorry for the wide broadcast, but I think that
users on all 3 lists
>> might be interested.
> 
> This is all I have in my GENERIC conf file:
> 
> # grep -i sg /usr/src/sys/i386/conf/GENERIC
> options         SYSVMSG                 # SYSV-style
message queues
> 

I see. Then maybe sg was a red herring in my case.

-- 
Andriy Gapon
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