Public bug reported:
On some arm64 systems[*] we are seeing a spew of messages on the
console:
[ 19.534097] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534109] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534113] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534126] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534130] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534142] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534146] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534157] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534161] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534173] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534177] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
This appears to be non-fatal - impacted systems all eventually boot.
But, at least in the case of the HP m400, it slows down boot enough that
MAAS' default timeout will expire before completing deployment.
[*] Observed on a HiSilicon D06 w/ SMMU disabled in the BIOS, as well as
an HP m400 (APM X-Gene) cartridge - although, not on another one that -
in theory - should be identical.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
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https://bugs.launchpad.net/bugs/1823753
Title:
arm64: cma_alloc errors at boot
Status in linux package in Ubuntu:
Incomplete
Bug description:
On some arm64 systems[*] we are seeing a spew of messages on the
console:
[ 19.534097] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534109] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534113] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534126] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534130] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534142] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534146] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534157] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534161] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
[ 19.534173] cma: cma_alloc: alloc failed, req-size: 16 pages, ret: -12
[ 19.534177] cma: cma_alloc: alloc failed, req-size: 64 pages, ret: -12
This appears to be non-fatal - impacted systems all eventually boot.
But, at least in the case of the HP m400, it slows down boot enough
that MAAS' default timeout will expire before completing deployment.
[*] Observed on a HiSilicon D06 w/ SMMU disabled in the BIOS, as well
as an HP m400 (APM X-Gene) cartridge - although, not on another one
that - in theory - should be identical.
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