[Pvfs2-developers] Hang at server shutdown

[Scott Atchley]

On Jan 18, 2007, at 3:07 PM, Sam Lang wrote:

>> To answer my own question, send a HUP, then continue the process  
>> in GDB. :-)
>
> You can also do 'signal SIGHUP' at the gdb prompt.

That is good to know. Thanks.

> So this looks like its just related to the invalid free in the mx  
> code (and the ib code I guess).  You could run it in valgrind to  
> verify that probably.  Can you set the map pointer to null and  
> check on the next attempt to free it?
>
> -sam

When I try to use valgrind, the server fails to start with:

...
[D 01/18 15:35] bmi_mx: memory used at end of initialization 17200540.
[D 01/18 15:35] bmi_mx: entering BMI_mx_set_info.
[D 01/18 15:35] bmi_mx: leaving BMI_mx_set_info.
[D 01/18 15:35] bmi_mx: entering BMI_mx_set_info.
[D 01/18 15:35] bmi_mx: leaving BMI_mx_set_info.
[E 01/18 15:35] TROVE:DBPF:Berkeley DB: read: 0x1f9fc7f0, 4096: Bad  
address	<-----------
[E 01/18 15:35] TROVE:DBPF:Berkeley DB: //scratch/atchley/4e901077/ 
collection_attributes.db: Bad address
[E 01/18 15:35] src/server/pvfs2-server.c line 1077: Error  
initializing filesystem pvfs2-fs
[E 01/18 15:35]         [bt] ./sbin/pvfs2-server [0x8054db6]
[E 01/18 15:35]         [bt] ./sbin/pvfs2-server [0x8054661]
[E 01/18 15:35]         [bt] ./sbin/pvfs2-server(main+0x4b0) [0x8054048]
[E 01/18 15:35]         [bt] /lib/tls/libc.so.6(__libc_start_main 
+0xf4) [0x1ba42974]
[E 01/18 15:35]         [bt] ./sbin/pvfs2-server(aio_cancel64+0x69)  
[0x8053971]
[E 01/18 15:35] Error: Could not initialize server interfaces; aborting.
[E 01/18 15:35] Error: Could not initialize server; aborting.
[D 01/18 15:35] bmi_mx: entering BMI_mx_finalize.
...

Setting the inout_parameter pointer to NULL has no effect.

Scott