Panic when connecting USB drive to amd64

Ben Stuyts ben at
Mon Feb 11 12:58:26 UTC 2008

On 9 Feb 2008, at 01:23, David O'Brien wrote:

> On Fri, Feb 08, 2008 at 07:02:46PM +0100, Ben Stuyts wrote:
>> I have connected the same drive to a different system, running a  
>> somewhat
>> older version of i386 7.0, and it does not panic. So maybe it is  
>> amd64
>> specific. Here are the drive's details that came up:
>> FreeBSD 7.0-BETA4 FreeBSD 7.0-BETA4 #3: Tue  
>> Dec  4
>> 17:03:57 CET 2007 root at 
>> GENERIC  i386
> The kernel you paniced with is from Feb 2008.  It would be helpful  
> if you
> could try either a BETA4 kernel on your AMD64 machine, or a Feb 2008
> kernel on your i386.

Ok, I tested with an updated kernel on the i386, and it works fine. So  
at least it is not a regression problem.

> Also note, if these two machines are different, they can easily have
> different hardware and thus trigger/not-trigger the problem just due  
> to
> the HW differences.

Yes, very different. In any case, the problem still exists on the  
amd64 machine, so I'd appreciate any help in getting this problem  


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