Shared memory error
What's wrong with SHM which has 0x00000000 key, shmid 20217856 ? Why
can't be removed ?
#ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 20217856 user1 666 16 3 dest
0x00000000 32769 root 600 655360 2
0x00000000 98306 user 600 393216 2 dest
0x00000000 524291 user 600 393216 2 dest
0x00000000 557060 user 600 393216 2 dest
0x00000000 589829 user 600 393216 2 dest
0x00000000 622598 user 600 393216 2 dest
0x00000000 262151 user 600 393216 2 dest
0x00000000 294920 user 600 393216 2 dest
0x00000000 327689 user 600 393216 2 dest
0x00000000 360458 user 600 393216 2 dest
0x00000000 12746767 user 600 393216 2 dest
#
#ipcrm -M "0x00000000"
#ipcrm: illegal key (0x00000000)
#ipcs -m "20217856"
#
#ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 20217856 user1 666 16 3 dest
0x00000000 32769 root 600 655360 2
0x00000000 98306 user 600 393216 2 dest
0x00000000 524291 user 600 393216 2 dest
0x00000000 557060 user 600 393216 2 dest
0x00000000 589829 user 600 393216 2 dest
0x00000000 622598 user 600 393216 2 dest
0x00000000 262151 user 600 393216 2 dest
0x00000000 294920 user 600 393216 2 dest
0x00000000 327689 user 600 393216 2 dest
0x00000000 360458 user 600 393216 2 dest
0x00000000 12746767 user 600 393216 2 dest
#
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