2.4.3-ac2 -- How do I determine if shm is being used?

From: Miles Lane (miles@megapathdsl.net)
Date: Sat Apr 07 2001 - 14:28:01 EDT

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    I have mounted:

            none on /var/shm type shm (rw)
            tmpfs on /dev/shm type tmpfs (rw)

    Yet, running "x11perf -shmput10" gives me:

    X Error of failed request: BadValue (integer parameter out of range for
    operation)
      Major opcode of failed request: 146 (MIT-SHM)
      Minor opcode of failed request: 3 (X_ShmPutImage)
      Value in failed request: 0x1600001
      Serial number of failed request: 35107
      Current serial number in output stream: 35111

    I'd like to check to make sure that shm is actually accessible
    to my programs. Is there any easy way to do this?

    I have already checked the values of:

            /proc/sys/kernel/shmall = 2000000
            /proc/sys/kernel/shmmax = 4096
            /proc/sys/kernel/shmmni = 35000000

    Thanks,
            Miles
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