Re: kern/40946: panic in scsipi_execute_xs

[Andrew Doran <ad%netbsd.org@localhost>]

The following reply was made to PR kern/40946; it has been noted by GNATS.

From: Andrew Doran <ad%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/40946: panic in scsipi_execute_xs
Date: Tue, 3 Mar 2009 08:52:31 +0000

 On Tue, Mar 03, 2009 at 06:25:00AM +0000, 
6bone%6bone.informatik.uni-leipzig.de@localhost wrote:
 
 > trap type 6 code 0 rip 0 cs 8 rflags 10202 cr2  0 cpl 6 rsp ffff8000693f4ac0 
 >    
 > panic: trap                                                                  
 >    
 
 This is the real crash. rip=0 indicates that the kernel has jumped through a
 null function pointer somewhere. ddb needs enhancement to be able to trace
 back through these.
 
 > Begin traceback...                                                           
 >    
 > fatal page fault in supervisor mode                                          
 >    
 > trap type 6 code 0 rip ffffffff80520e4c cs 8 rflags 10246 cr2  0 cpl 6 rsp 
 > ffff0
 > panic: trap                                                                  
 >    
 > Faulted in mid-traceback; aborting...                                        
 >    
 > dump to dev 4,1 not possible                                                 
 >    
 > sd0(mfi0:0:0:0): polling command not done                                    
 >    
 
 This is likely to be a bug in the mfi driver.
 
 Andrew