kernel panic after 5.2 RELEASE --> 5.2.1, DELL PE2650, SCSI

[Raphael H. Becker]

Hi,

yesterday I got a new DELL PE2650 with PERC and two RAIDs (complete
dmesg [1]). 
Installed with 5.2 from "miniinst.iso" and updated with fresh sources 
from CVS, -r RELENG_5_2. buildworld and buildkernel went fine. Just 
after reboot with the new kernel and after "installworld" the system 
died with some strange SCSI-Errors, kernel panic. "Calling boot() for 
CPU1 ... " something like that. Then the well known few lines, syncing 
disc etc ...
While syncing disks there were some more SCSI-Errors, Timeout after ...
75 ... 255 ...  seconds and so on, no more acting drives.

I powercycled after 7 minutes, the console was messed up with the
scsi-errors, so I have no more details about the panic, powercycle
flushed the dmesg .oO(why not dumping kernelmessages to an USB-stick??) 

System rebootet, but with a nearly empty /usr/sbin.
Retry of "make installworld" failed, because it wants to copy some tools
in an temporary dir in /tmp and didn't find some tools in /usr/sbin.
Managed that manually, installworld succeeded.


Kernel ist a GENERIC with only 
-cpu            I486_CPU
-cpu            I586_CPU
+#cpu           I486_CPU
+#cpu           I586_CPU
( BTW: has anyone a perfect DELL PE2650 kernelconfig for 5.x? )

Anyone some hints about the panic?  
How to avoid this?

Regards,
Raphael Becker

PS: The actual dmesg.boot:
[1] http://rhb.uugrn.org/temp/dmesg.boot.pinserv4

-- 
Raphael Becker                                     http://rhb.uugrn.org/
                            http://schnitzelmitkartoffelsalat.uugrn.org/
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