[Xen-bugs] [Bug 676] New: db2 setup crashes Guest OS: libimf.so: cannot restore segment prot

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=676

           Summary: db2 setup crashes Guest OS: libimf.so: cannot restore
                    segment prot
           Product: Xen
           Version: 3.0.2
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ateisanu@xxxxxxxxxxxxxx
OtherBugsDependingO 1
             nThis:


Hi, 

I don't have much experience with XEN and this is also my first bug-report.

In a few words, I'm trying to run DB2 inside the XEN OS with the purpose of
assessing the performance of different algorithms for index selection. 

I've tried installing DB2 on a XEN guest machine and I got the message you can
see below.

Somebody got some similar problem ( ./libimf.so: cannot restore segment
prot...) but related to the fortran compiler. 

Crashing pattern:

The Guest OS is crashing and the only way to get it back is to xm destroy X and
restarting the guest OS. The hypervisor seems to exhibit no problems during
this process though.

If I start vnc server the DISPLAY variable is properly set and I don't get the
message regarding the DISPLAY but I get the same crashing pattern. I guess the
DISPLAY has nothing to do with this.  

Any sugestion would be appreciated.

Thanks,
Adrian

328_WSE_LNX26_32_NLV]# ./db2setup /u ./db2/linux26/samples/db2wse.rsp
audit(1150214224.495:2): avc:  denied  { execmod } for  pid=1260
comm="db2langdir" name="libimf.so" dev=dm-0 ino=291948
scontext=root:system_r:unconfined_t:s0-s0:c0.c255
tcontext=root:object_r:user_home_t:s0 tclass=file
/root/328_WSE_LNX26_32_NLV/db2/linux26/install/../bin/db2langdir: error while
loading shared libraries: ./libimf.so: cannot restore segment prot after reloc:
Permission denied
audit(1150214224.499:3): avc:  denied  { execmod } for  pid=1261
comm="db2langdir" name="libimf.so" dev=dm-0 ino=291948
scontext=root:system_r:unconfined_t:s0-s0:c0.c255
tcontext=root:object_r:user_home_t:s0 tclass=file
/root/328_WSE_LNX26_32_NLV/db2/linux26/install/../bin/db2langdir: error while
loading shared libraries: ./libimf.so: cannot restore segment prot after reloc:
Permission denied
DBI1190I db2setup is preparing the DB2 Setup wizard which will
          guide you through the program setup process. Please
          wait.



The DISPLAY variable is not set properly.  Ensure that the DISPLAY variable is
set properly and that permissions are set properly to open windows on the
display specified, then rerun the command.
BUG: soft lockup detected on CPU#0!

Pid: 1267, comm:                 java
EIP: 0061:[<c01050b4>] CPU: 0
EIP is at check_lazy_exec_limit+0xdd/0x1e5
 EFLAGS: 00000206    Not tainted  (2.6.15-1.2054_FC5xenU #1)
EAX: 0000ffff EBX: c1314070 ECX: ce7c5ae8 EDX: 00000000
ESI: ce7c5ae8 EDI: cba9c000 EBP: c0359270 DS: 007b ES: 007b
CR0: 80050033 CR2: 08fdc24c CR3: 0ec4d000 CR4: 00000640
 [<c01060b1>] do_general_protection+0x1e/0x125
 [<c0104cec>] hypervisor_callback+0x2c/0x34
 [<c0106093>] do_general_protection+0x0/0x125
 [<c0104cbb>] error_code+0x2b/0x30
 [<c0104d6e>] failsafe_callback+0x2/0x24
 [<c010fd60>] write_ldt_entry+0xbc/0xc3
 [<c0108aeb>] write_ldt+0x187/0x1a9
 [<c0104b15>] syscall_call+0x7/0xb


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