Re: [Xen-devel] segmentation fault

[sai srinivas dharanikota <saisrinu31@xxxxxxxxxxx>]

--- Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> wrote:

> > Hello,
> > 
> > 
> > > are you using the same versions of libraries
> like
> > > glibc on dom0 and dom1?
> > > 
> > 
> > I am using the same versions of libraries on dom0
> and
> > dom1. 
> 
> Have you got the same amount of memory and swap
> space configured
> in both domains?
> 
> Ian
> 
I am alloting 256MB of memory for both the domains. 

when I see the statistics using top command for domain
0:
Tasks:  41 total,   1 running,  40 sleeping,   0
stopped,   0 zombie 
Cpu(s):  0.0% us,  0.0% sy,  0.0% ni, 100.0% id,  0.0%
wa,  0.0% hi,  0.0% si 
Mem:    257040k total,   252628k used,     4412k free,
   63880k buffers 
Swap:  3071992k total,        0k used,  3071992k free,
   32384k cached 
 
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM   
TIME+  COMMAND           
  
  
   46 root      15   0     0    0    0 S  0.0  0.0  
0:00.01 kjournald         
  
  631 root      16   0  1676  752 1496 S  0.0  0.3  
0:00.01 syslogd           
  
  635 root      16   0  1404  428 1244 S  0.0  0.2  
0:00.00 klogd             
  
  656 rpc       16   0  1540  604 1372 S  0.0  0.2  
0:01.15 portmap           
  
  676 rpcuser   17   0  1680  832 1504 S  0.0  0.3  
0:00.00 rpc.statd         
  
  724 root      15   0     0    0    0 S  0.0  0.0  
0:00.00 rpciod            
  
  726 root      16   0     0    0    0 S  0.0  0.0  
0:00.00 lockd             
  
  748 root      16   0 20188  956 3608 S  0.0  0.4  
0:00.00 ypbind   

I took a loopback device loop2 and configured the swap
space. I am using "swapon -a" command to enable
swapping after domain 1 is booted. I still see some
amount of memory left during the execution of the
application.

The statistics for domain 0 using top command.

top - 09:57:03 up 2 days, 17:57,  2 users,  load
average: 0.00, 0.00, 0.00 
Tasks:  64 total,   2 running,  62 sleeping,   0
stopped,   0 zombie 
Cpu(s):  0.3% us,  0.0% sy,  0.0% ni, 99.7% id,  0.0%
wa,  0.0% hi,  0.0% si 
Mem:    255468k total,   252680k used,     2788k free,
   30732k buffers 
Swap:  2040244k total,        0k used,  2040244k free,
   75672k cached 
 
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM   
TIME+  COMMAND            
    1 root      16   0  1472  480 1316 S  0.0  0.2  
0:05.84 init               
    2 root      34  19     0    0    0 S  0.0  0.0  
0:00.02 ksoftirqd/0        
    3 root       5 -10     0    0    0 S  0.0  0.0  
0:00.01 events/0           
    4 root      12 -10     0    0    0 S  0.0  0.0  
0:00.00 khelper            
    5 root       5 -10     0    0    0 S  0.0  0.0  
0:03.05 kblockd/0          
   31 root      15   0     0    0    0 S  0.0  0.0  
0:00.00 pdflush            
   32 root      15   0     0    0    0 S  0.0  0.0  
0:00.03 pdflush            
   34 root      15 -10     0    0    0 S  0.0  0.0  
0:00.00 aio/0              
   33 root      16   0     0    0    0 S  0.0  0.0  
0:01.46 kswapd0            
  260 root      15   0     0    0    0 S  0.0  0.0  
0:00.34 xenblkd            
  268 root       6 -10     0    0    0 S  0.0  0.0  
0:00.00 ata/0              
  271 root      16   0     0    0    0 S  0.0  0.0  
0:00.00 kseriod            
  276 root       6 -10     0    0    0 S  0.0  0.0  
0:00.00 kmirrord/0         
  278 root      15   0     0    0    0 S  0.0  0.0  
0:00.10 kjournald          
  964 root      15   0     0    0    0 S  0.0  0.0  
0:00.00 kjournald          
 1378 root      16   0  1460  612 1296 S  0.0  0.2  
0:00.00 syslogd            
 1382 root      15   0  1404  428 1244 S  0.0  0.2  
0:00.01 klogd              
 1403 rpc       16   0  1540  612 1372 S  0.0  0.2  
0:01.89 portmap  

Thanking you,
Sai       



    



=====
Sai Srinivas Dharanikota
Master of Science INFOTECH
University of Stuttgart
Germany

Home:+49 711 9963590
Mobile:+49 179 9090669


                
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