Hello Jens, On 09/21/2012 07:15 PM, Jens Axboe wrote: > On 09/21/2012 01:51 PM, Konstantin Boyandin wrote: >> Hello, >> >> When trying to run the command line >> >> fio --bs=4k --size=128m --direct=1 --runtime=10 --rw=randread >> --numjobs=32 --group_reporting --time_based --name=128m >> >> I see only this: >> >> shmget: No space left on device >> error: failed to setup shm segment > > Hmmm. Can you send me the output of: > > $ grep . /proc/sys/kernel/shm* /proc/sys/kernel/shmall:2097152 /proc/sys/kernel/shmmax:33554432 /proc/sys/kernel/shmmni:4096 /proc/sys/kernel/shm_rmid_forced:0 > $ ipcs -l ------ Shared Memory Limits -------- max number of segments = 4096 max seg size (kbytes) = 32768 max total shared memory (kbytes) = 8388608 min seg size (bytes) = 1 ------ Semaphore Limits -------- max number of arrays = 128 max semaphores per array = 250 max semaphores system wide = 32000 max ops per semop call = 32 semaphore max value = 32767 ------ Messages: Limits -------- max queues system wide = 6365 max size of message (bytes) = 8192 default max size of queue (bytes) = 16384 > $ ipcs -m ------ Shared Memory Segments -------- key shmid owner perms bytes nattch status The VM wasn't restarted after the fio failed run. fio was run by root user. Sincerely, Konstantin -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
