Re: [Starpu-devel] infinite loop if HOME not defined

[Nathalie Furmento <nathalie.furmento@labri.fr>]

Hello,

Could you please give more information on the application you started
and the version of StarPU you are using ?

I tested the master with an empty HOME and a non-set HOME, it's working.

Cheers,

Nathalie

On 19/12/2019 16:59, Florent Pruvost wrote:
> Hi,
>
> For info. there is a bug with an inifinite loop when HOME env. var.
> does not exist.
>
> (gdb) bt full -10
> #18705 0x00007fe2160b14c8 in _starpu_mkpath (s=<optimized out>,
> mode=448) at common/utils.c:104
>         olderrno = <optimized out>
>         q = 0x19523f0 "//"
>         sb = {st_dev = 140609003417672, st_ino = 140609010455696,
> st_nlink = 0, st_mode = 371167319, st_uid = 32738, st_gid = 10, __pad0
> = 0, st_rdev = 140609003417672, st_size = 1,
>           st_blksize = 0, st_blocks = 1, st_atim = {tv_sec =
> 140609010455696, tv_nsec = 140609009026322}, st_mtim = {tv_sec =
> 4294967320, tv_nsec = 140730273139136}, st_ctim = {
>             tv_sec = 140730273139152, tv_nsec = 140609010456560},
> __glibc_reserved = {0, 0, 0}}
> #18706 0x00007fe2160b14c8 in _starpu_mkpath (s=<optimized out>,
> mode=448) at common/utils.c:104
>         olderrno = <optimized out>
>         q = 0x1952390 "//"
>         sb = {st_dev = 0, st_ino = 140609010455696, st_nlink = 0,
> st_mode = 371167319, st_uid = 32738, st_gid = 1, __pad0 = 0, st_rdev =
> 0, st_size = 1, st_blksize = 0, st_blocks = 1,
>           st_atim = {tv_sec = 140609010455696, tv_nsec =
> 140609009026300}, st_mtim = {tv_sec = 5669686216, tv_nsec =
> 140730273139584}, st_ctim = {tv_sec = 140730273139600,
>             tv_nsec = 8102645832369450799}, __glibc_reserved =
> {7596570286555869045, 7022008425444958580, 13343047818178669}}
> #18707 0x00007fe2160b14c8 in _starpu_mkpath (s=<optimized out>,
> mode=448) at common/utils.c:104
>         olderrno = <optimized out>
>         q = 0x1952330 "//"
>         sb = {st_dev = 140730273139936, st_ino = 140609010633840,
> st_nlink = 2, st_mode = 14, st_uid = 2147483648, st_gid = 0, __pad0 =
> 0, st_rdev = 0, st_size = 0, st_blksize = 0,
>           st_blocks = 0, st_atim = {tv_sec = 0, tv_nsec = 0}, st_mtim
> = {tv_sec = 140609010522259, tv_nsec = 1}, st_ctim = {tv_sec = 0,
> tv_nsec = 2676586395008836901}, __glibc_reserved = {
>             2676586395008836901, -72057594037927936, 16777215}}
> #18708 0x00007fe2160b14c8 in _starpu_mkpath (s=<optimized out>,
> mode=448) at common/utils.c:104
>         olderrno = <optimized out>
>         q = 0x19522d0 "//.starpu"
>         sb = {st_dev = 140609006828192, st_ino = 140609006829552,
> st_nlink = 2, st_mode = 14, st_uid = 2147483648, st_gid = 0, __pad0 =
> 0, st_rdev = 0, st_size = 0, st_blksize = 0,
>           st_blocks = 0, st_atim = {tv_sec = 0, tv_nsec = 0}, st_mtim
> = {tv_sec = 0, tv_nsec = 0}, st_ctim = {tv_sec = 0, tv_nsec = 0},
> __glibc_reserved = {0, 0, 0}}
> #18709 0x00007fe2160b1691 in _starpu_mkpath_and_check (path=0x1951e70
> "//.starpu/sampling/", mode=mode@entry=448) at common/utils.c:141
>         ret = <optimized out>
>         __func__ = "_starpu_mkpath_and_check"
> #18710 0x00007fe2160e8a4c in
> _starpu_create_sampling_directory_if_needed () at
> core/perfmodel/perfmodel.c:542
> No locals.
> #18711 0x00007fe2160e6396 in _starpu_load_bus_performance_files () at
> core/perfmodel/perfmodel_bus.c:2950
>         config = <optimized out>
> #18712 0x00007fe2160c378e in starpu_initialize
> (user_conf=user_conf@entry=0x0, argv=<optimized out>, argc=<optimized
> out>) at core/workers.c:1355
>         is_a_sink = <optimized out>
>         worker = <optimized out>
>         ret = <optimized out>
>         main_thread_cpuid = <optimized out>
>         main_thread_bind = <optimized out>
>         main_thread_activity = <optimized out>
>         p_ret = <optimized out>
>         __ptrs = <optimized out>
>         __n = <optimized out>
> #18713 0x00007fe2160c4459 in starpu_initialize (user_conf=0x0,
> argc=<optimized out>, argv=<optimized out>) at core/workers.c:1194
>
>
> Best,
> Florent
>

-- 
Dr Nathalie Furmento               Ingénieure de recherche CNRS
http://www.labri.fr/~furmento/     LaBRI - Université Bordeaux