Hi Yiannis, What do you mean by using replication? Is the underlying filesystem shared between the two metadata servers?
Michael On Feb 14, 2011, at 8:52 AM, jon jon <[email protected]> wrote: > hello all, > > I m using pvfs.2-8-1. I have 1 I/O server and 2 metadata servers using > replication. I am on User mode. When i run pvfs2-cp it returns a segmentation > fault. The file that i am trying to cp is copied successfully. After using > gdb here is what i get: > > [Thread debugging using libthread_db enabled] > [New Thread 0xb7ef56c0 (LWP 31833)] > > Program received signal SIGSEGV, Segmentation fault. > io_inspect_attr (smcb=0x9aa6610, js_p=0xbfef0c58) at > src/client/sysint/sys-io.sm:2926 > > backtrace returned: > > #0 io_inspect_attr (smcb=0x8f96ba8, js_p=0xbfe99f08) > at src/client/sysint/sys-io.sm:2926 > #1 0x08090433 in PINT_state_machine_invoke (smcb=0x8f96ba8, r=0xbfe99f08) > at src/common/misc/state-machine-fns.c:132 > #2 0x0809077d in PINT_state_machine_next (smcb=0x8f96ba8, r=0xbfe99f08) > at src/common/misc/state-machine-fns.c:309 > #3 0x08090301 in PINT_state_machine_continue (smcb=0x8f96ba8, r=0xbfe99f08) > at src/common/misc/state-machine-fns.c:327 > #4 0x08090391 in PINT_state_machine_start (smcb=0x8f96ba8, r=0xbfe99f08) > at src/common/misc/state-machine-fns.c:202 > 0x080577a7 in PINT_client_state_machine_post (smcb=0x8f96ba8, > op_id=0xbfe99ff0, > user_ptr=0x0) at src/client/sysint/client-state-machine.c:405 > #6 0x080657fa in PVFS_isys_io (ref= > {handle = 4611686018427386622, fs_id = 1938003253, __pad1 = 0}, > file_req=0x80c8ec0, file_req_offset=0, buffer=0xb75cc008, > mem_req=0x8f96968, > credentials=0xbfe9a5ec, resp_p=0xbfe9a5e4, io_type=PVFS_IO_READ, > op_id=0xbfe99ff0, > hints=0x0, user_ptr=0x0) at src/client/sysint/sys-io.sm:346 > #7 0x0806598c in PVFS_sys_io (ref= > {handle = 4611686018427386622, fs_id = 1938003253, __pad1 = 0}, > file_req=0x80c8ec0, file_req_offset=0, buffer=0xb75cc008, > mem_req=0x8f96968, > credentials=0xbfe9a5ec, resp_p=0xbfe9a5e4, io_type=PVFS_IO_READ, > hints=0x0) > at src/client/sysint/sys-io.sm:370 > #8 0x0805365a in main (argc=Cannot access memory at address 0x0 > ) at src/apps/admin/pvfs2-cp.c:340 > > > It get a segfault in file sys-io.sm, function :unstuff_needed > when trying to execute: > first_unstuffed_offset = dist_p->methods->next_mapped_offset( > dist_p->params, > &fake_file_data, > 0); > > > Any help or information about what is causing this would be great. > > -Yiannis > > _______________________________________________ > Pvfs2-developers mailing list > [email protected] > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers
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