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SubjectRe: __alloc_pages: 0-order allocation failed
Date
> ok, this sounds like a normal oom condition but of course I assume it
> isn't. Can you show a `vmstat 1` during the oom kill + some
> /proc/meminfo? thanks for the great feedback!

As the VM sometimes killed me some long lasting root processes, like klogd, I
think it is not the normal oom behaviour........ :-)

vmstat:

procs memory swap io system
cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 0 0 0 457824 8476 28856 0 0 225 140 156 163 4 51 45
0 0 0 0 457440 8476 28860 0 0 0 280 143 103 1 52 47
0 0 0 0 457440 8476 28860 0 0 0 0 101 70 1 60 39
0 0 0 0 457440 8476 28860 0 0 0 0 109 86 1 56 43
0 0 0 0 457436 8476 28864 0 0 0 0 102 73 1 59 40
0 0 1 0 457436 8476 28864 0 0 0 0 101 70 1 58 41
0 0 0 0 457436 8476 28864 0 0 0 236 130 88 0 59 41
0 0 0 0 457436 8476 28864 0 0 0 0 101 69 1 60 39
0 0 0 0 457436 8476 28864 0 0 0 0 101 71 1 60 39
0 0 0 0 457436 8476 28864 0 0 0 0 101 71 0 60 40
1 0 0 0 168236 8476 28928 0 0 64 0 117 79 11 72 17
1 2 0 0 496532 236 1660 0 0 2948 252 415 303 5 75 20
0 0 0 0 495568 408 2364 0 0 708 0 184 206 1 26 73
0 0 1 0 495532 412 2396 0 0 36 0 105 78 1 59 40
0 0 0 0 495528 416 2396 0 0 0 0 106 81 1 60 39
0 0 0 0 495376 560 2396 0 0 0 272 139 103 1 56 43
0 0 0 0 495376 560 2396 0 0 0 0 104 78 1 60 39

meminfo: (a made a looping bash script with sleep 1 after a cat
/proc/meminfo. But During the kill there is a 3 second gap)
Mit Sep 26 09:14:58 CEST 2001

total: used: free: shared: buffers: cached:
Mem: 526491648 58064896 468426752 0 8679424 29556736
Swap: 0 0 0
MemTotal: 514152 kB
MemFree: 457448 kB
MemShared: 0 kB
Buffers: 8476 kB
Cached: 28864 kB
SwapCached: 0 kB
Active: 19084 kB
Inactive: 18256 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 514152 kB
LowFree: 457448 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Mit Sep 26 09:14:59 CEST 2001
total: used: free: shared: buffers: cached:
Mem: 526491648 162996224 363495424 0 8679424 29622272
Swap: 0 0 0
MemTotal: 514152 kB
MemFree: 354976 kB
MemShared: 0 kB
Buffers: 8476 kB
Cached: 28928 kB
SwapCached: 0 kB
Active: 19112 kB
Inactive: 18292 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 514152 kB
LowFree: 354976 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Mit Sep 26 09:15:02 CEST 2001
total: used: free: shared: buffers: cached:
Mem: 526491648 18993152 507498496 0 409600 2408448
Swap: 0 0 0
MemTotal: 514152 kB
MemFree: 495604 kB
MemShared: 0 kB
Buffers: 400 kB
Cached: 2352 kB
SwapCached: 0 kB
Active: 1388 kB
Inactive: 1364 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 514152 kB
LowFree: 495604 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Mit Sep 26 09:15:03 CEST 2001
total: used: free: shared: buffers: cached:
Mem: 526491648 19054592 507437056 0 421888 2453504
Swap: 0 0 0
MemTotal: 514152 kB
MemFree: 495544 kB
MemShared: 0 kB
Buffers: 412 kB
Cached: 2396 kB
SwapCached: 0 kB
Active: 1496 kB
Inactive: 1312 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 514152 kB
LowFree: 495544 kB
SwapTotal: 0 kB
SwapFree: 0 kB
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