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[Bug translator/3785] systemtap.sample/poll_map.stp dies on 2.6.18-1.2868.fc6 kernel


------- Additional Comments From wcohen at redhat dot com  2007-01-01 20:10 -------
Get exactly the same crash with using the stock systemtap rpm with the
poll_map.stp. The machine has virtually no load on it when the example is run
(and crashes).  This machine is normal installation of fedora core 6 updated
with "yum update". What was the i686 configuration used to attempt to replicate
this problem? Below are details about the machine.

$ rpm -q systemtap gcc elfutils
systemtap-0.5.10-1.fc6
gcc-4.1.1-30
elfutils-0.123-1.fc6
$ uname -a
Linux montague.devel.redhat.com 2.6.18-1.2868.fc6 #1 SMP Fri Dec 15 17:31:29 EST
2006 i686 i686 i386 GNU/Linux
[wcohen@montague systemtap.samples]$ more /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 9
model name      : Intel(R) Pentium(R) M processor 1600MHz
stepping        : 5
cpu MHz         : 1594.855
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 mtrr pge mca cmov pat clflush d
ts acpi mmx fxsr sse sse2 tm pbe up est tm2
bogomips        : 3190.87
$ free
             total       used       free     shared    buffers     cached
Mem:        514652     236688     277964          0      32188     150120
-/+ buffers/cache:      54380     460272
Swap:      1050800          0    1050800

$ stap -v -k
/home/wcohen/systemtap_write/src/testsuite/systemtap.samples/poll_map.stp
Pass 1: parsed user script and 53 library script(s) in 330usr/10sys/391real ms.
Pass 2: analyzed script: 3 probe(s), 2 function(s), 2 global(s) in
300usr/30sys/1889real ms.
Pass 3: translated to C into "/tmp/stapvZHsjn/stap_2669.c" in
80usr/30sys/204real ms.
Pass 4: compiled C into "stap_2669.ko" in 2860usr/260sys/4843real ms.
Pass 5: starting run.

The same messages appears on the console:

BUG: unable to handle kernel NULL pointer dere8
 printing eip:                                                                  
c0460579                                                                        
*pde = 0e445067                                                                 
Oops: 0000 [#1]                                                                 
SMP                                                                             
last sysfs file: /block/hda/removable                                           
Modules linked in: stap_2669(U) autofs4 hidp rfcomm l2cap bluetooth sunrpc ip_cd
CPU:    0                                                                       
EIP:    0060:[<c0460579>]    Not tainted VLI                                    
EFLAGS: 00210202   (2.6.18-1.2868.fc6 #1)    

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=3785

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