memory_compare script failed with some desktop PCs which use UMA Graphics card
Bug #1025992 reported by
Betty Lin
This bug report is a duplicate of:
Bug #1019240: memory_compare script doesn't account for all RAM usage.
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This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
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Checkbox |
Confirmed
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High
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Unassigned |
Bug Description
Because of the MIN_LEVEL=90 in memory_compare, the case easy to fail for the desktop PC which use UMA Graphics card.
Fail report as below:
Meminfo total: 1630484 kB DMI total: 2048000 kB Accuracy: 79.00 Memory totals not close enough
Attached the /proc/meminfo
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I'll set this as confirmed, as I've seen systems that work perfectly but where reported memory is 88% of the total seen by dmidecode.
One solution would be to lower the threshold.
Another, more desirable but potentially more difficult one, would be to parse dmesg output to see where the rest of the memory is going (I don't know if this is even reported in dmesg. It may be worth looking into.
I'll triage this as high, as we have a good rate of false positives and getting into the habit of ignoring them is unhealthy.