Hi,
I am using the LTP 20081031 version and I am encountering the error when
running hugeshmget03.
hugeshmget03 0 INFO : errno = 12: Cannot allocate memory
hugeshmget03 1 BROK : Didn't get ENOSPC in test setup.
I currently have 2 x 1GB Memory populated in my system. I have also
configured 512 Hugepages of size 2048kb.
Could someone give me a better insight to this failure and what this loop
does:
/*
* Use a while loop to create the maximum number of memory segments.
* If the loop exceeds MAXIDS, then break the test and cleanup.
*/
while ((shm_id_1 = shmget(IPC_PRIVATE, HUGE_SHM_SIZE, SHM_HUGETLB |
IPC_CREAT |
IPC_EXCL | SHM_RW)) != -1) {
shm_id_arr[num_shms++] = shm_id_1;
if (num_shms == MAXIDS) {
tst_brkm(TBROK, cleanup, "The maximum number of shared "
"memory ID's has been\n\t reached. Please "
"increase the MAXIDS value in the test.");
}
}
/*
* If the errno is other than ENOSPC, then something else is wrong.
*/
if (errno != ENOSPC) {
tst_resm(TINFO, "errno = %d : %s", errno, strerror(errno));
tst_brkm(TBROK, cleanup, "Didn't get ENOSPC in test setup");
}
}
When I was putting a watch to num_shms, it seems like once it reaches to the
value 1 or 2, it will exit the while loop.
Thanks for all your help
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