Memory hotplug fails with ACPI error message
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SUSE Linux Enterprise Server 11 Service Pack 2 (SLES 11 SP2)
SUSE Linux Enterprise Server 11 Service Pack 3 (SLES 11 SP3)
SUSE Linux Enterprise Server 11 Service Pack 4 (SLES 11 SP4)
SUSE Linux Enterprise Server 12
kworker/0:0: page allocation failure: order:9, mode:0x80d0Subsequently, the additional memory does not get attached.
ACPI:memory_hp:Error in acpi_memory_enable_device
acpi_memhotplug: probe of PNP0C80:00 failed with error -22
syncbefore attempting to attach memory may free up enough space for the operation to succeed, but it is unreliable and may temporarily have adverse impact on system performance.
echo 3 > /proc/sys/vm/drop_caches
As a reliable alternative to memory hot plugging on VMware virtualization products it is recommend to use ballooning instead, as described in chapter 3.3 of the Understanding Memory Resource Management in VMware ESX Server whitepaper by VMware.
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- Document ID:7015086
- Creation Date: 20-May-2014
- Modified Date:03-Mar-2020
- SUSE Linux Enterprise Server
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