问磁盘空间之外，/mnt/hgf该怪吗？

EN

[root@aspera /]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2              48G   45G   16M 100% /
tmpfs                 935M  300K  935M   1% /dev/shm
/dev/sda1             291M   58M  218M  21% /boot
/dev/sr0              128M  128M     0 100% /media/GParted-live

root@aspera /]# du . | sort -nr | head -10
du: cannot access `./proc/40852/task/40852/fd/4': No such file or directory
du: cannot access `./proc/40852/task/40852/fdinfo/4': No such file or directory
du: cannot access `./proc/40852/fd/4': No such file or directory
du: cannot access `./proc/40852/fdinfo/4': No such file or directory
46778741    .
42760076    ./mnt
42760072    ./mnt/hgfs
42760068    ./mnt/hgfs/Aspera
33393104    ./mnt/hgfs/Aspera/85402436-7f17-43f7-bc2d-a46ebcc7cd81
33393100    ./mnt/hgfs/Aspera/85402436-7f17-43f7-bc2d-a46ebcc7cd81/PKG - LWS ProRes Files
1977804 ./usr
1800596 ./mnt/hgfs/Aspera/b3f4f3b5-bb22-457d-baa2-adda320a6ecb
1800592 ./mnt/hgfs/Aspera/b3f4f3b5-bb22-457d-baa2-adda320a6ecb/PKG - MAM_VFX_136_100812
1800588 ./mnt/hgfs/Aspera/b3f4f3b5-bb22-457d-baa2-adda320a6ecb/PKG - MAM_VFX_136_100812/MAM_VFX_136_100812

[root@aspera /]# du --max-depth=1
42760076    ./mnt
212896  ./var
14024   ./sbin
660620  ./home
544 ./dev
130082  ./media
24748   ./lib64
7680    ./bin
16  ./lost+found
1977804 ./usr
14504   ./tmp
236256  ./lib
0   ./sys
48851   ./boot
34240   ./etc
432 ./root
655928  ./opt
4   ./selinux
4   ./srv
du: cannot access `./proc/40807/task/40807/fd/4': No such file or directory
du: cannot access `./proc/40807/task/40807/fdinfo/4': No such file or directory
du: cannot access `./proc/40807/fd/4': No such file or directory
du: cannot access `./proc/40807/fdinfo/4': No such file or directory
0   ./proc
46778713