Fragmentation. Vmcp needs contiguous real storage. So if there is not a slab of 1MB in size hanging around then it will complain.
On 10/18/17, 1:44 PM, "Linux on 390 Port on behalf of Michael MacIsaac" <[email protected] on behalf of [email protected]> wrote: >Hello list, > >We use vmcp extensively to issue CP commands. More and more I'm seeing >this error: > >Error: Could not issue CP command: Cannot allocate memory > >I always use the --buffer=1M flag to be able to get the largest output. >I've >bumped up the VM size from 2 to 3 to 4GB, but still see it. We have some >VDISK swap: ># swapon -s >Filename Type Size Used >Priority >/dev/dasda1 partition 99156 0 >100 >/dev/dasdc1 partition 1057796 0 1 > >I reboot the system and it's gone. > >Has anyone seen this? Seems like it could be considered a bug - >everything >else on the Linux system seems fine. Or maybe I just need more swap? ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
