Libhio file/node on Lustre hangs #53
Description
Hi folks,
I'm trying to use libhio on a lustre file system and it is hanging here (see stack trace below).
Interestingly it does not hang when using file/node on GPFS.
0x00002aaab5a9e9d3 in __pwrite64_nocancel () from /lib64/libpthread.so.0
(gdb) bt
#0 0x00002aaab5a9e9d3 in __pwrite64_nocancel () from /lib64/libpthread.so.0
#1 0x00002aaab1dd3ebd in hioi_file_write (file=0xa, ptr=0x7fffffe1c4a0, count=1921280) at hio_internal.c:622
#2 0x00002aaab1ddae2c in builtin_posix_module_element_io_internal (posix_module=0xa, element=0x7fffffe1c4a0,
offset=1921280, iovec=0x2aaab5a9e9d3 <__pwrite64_nocancel+10>, count=-20878584, reading=128)
at builtin-posix_component.c:2123
#3 0x00002aaab1dda7d6 in builtin_posix_module_process_reqs (dataset=0xa, reqs=0x7fffffe1c4a0, req_count=1921280)
at builtin-posix_component.c:2233
#4 0x00002aaab1de3312 in hio_element_write_strided_nb (element=0xa, request=0x7fffffe1c4a0, offset=1921280,
reserved0=46912680618451, ptr=0x3a668ffec16b08, count=46912496271488, size=1921280, stride=0)
at api/element_write.c:151
#5 0x00002aaab1de31cc in hio_element_write_strided (element=0xa, offset=140737486374048, reserved0=1921280,
ptr=0x2aaab5a9e9d3 <__pwrite64_nocancel+10>, count=16438317289663240, size=46912496271488, stride=69)
at api/element_write.c:99
#6 0x00002aaab1de3191 in hio_element_write (element=0xa, offset=140737486374048, reserved0=1921280,
ptr=0x2aaab5a9e9d3 <__pwrite64_nocancel+10>, count=16438317289663240, size=46912496271488)
at api/element_write.c:85
#7 0x000000000196e912 in hioc_writeat2 (unit=10, serial=-1981280, data=0x1d5100,
offset0=0x2aaab5a9e9d3 <__pwrite64_nocancel+10>, buf_bytes=1921280) at hio.c:752
#8 0x000000000196b875 in hio_module::my_hio_file_write2 (
unit=<error reading variable: Cannot access memory at address 0xa>, serial=.FALSE.,
numdata=<error reading variable: Cannot access memory at address 0x1d5100>, pos0=3779645987002334536,
data_c1=<error reading variable: Cannot access memory at address 0x3a668ffec16b48>,
data_i32=<error reading variable: Cannot access memory at address 0x2aaaaaad00c0>,
data_i64=<error reading variable: Location address is not set.>,
data_r32=<error reading variable: Location address is not set.>,
data_r64=<error reading variable: value requires 1921280 bytes, which is more than max-value-size>)
at module_hio.f90:255