On 07/18/2012 01:36 PM, Steven J. Yellin wrote:
> The fact that both free and total swap are said to be "0kB" seems so
> unreasonable that it may mean I just don't understand the output. Another
> possibility is that there's a hardware error on the drive containing the swap
> data, in which case perhaps the computer would stay up after the error if
> there were also a swap area file on another drive, and wouldn't crash at all
> if only swap area on another drive were used.
It seems like everything about the memory config goes screwy. Here's a info
dump from normal operation:
SysRq : Show Memory
Mem-Info:
Node 0 DMA per-cpu:
CPU 0: hi: 0, btch: 1 usd: 0
CPU 1: hi: 0, btch: 1 usd: 0
CPU 2: hi: 0, btch: 1 usd: 0
CPU 3: hi: 0, btch: 1 usd: 0
CPU 4: hi: 0, btch: 1 usd: 0
CPU 5: hi: 0, btch: 1 usd: 0
CPU 6: hi: 0, btch: 1 usd: 0
CPU 7: hi: 0, btch: 1 usd: 0
CPU 8: hi: 0, btch: 1 usd: 0
CPU 9: hi: 0, btch: 1 usd: 0
CPU 10: hi: 0, btch: 1 usd: 0
CPU 11: hi: 0, btch: 1 usd: 0
CPU 12: hi: 0, btch: 1 usd: 0
CPU 13: hi: 0, btch: 1 usd: 0
CPU 14: hi: 0, btch: 1 usd: 0
CPU 15: hi: 0, btch: 1 usd: 0
Node 0 DMA32 per-cpu:
CPU 0: hi: 186, btch: 31 usd: 180
CPU 1: hi: 186, btch: 31 usd: 158
CPU 2: hi: 186, btch: 31 usd: 0
CPU 3: hi: 186, btch: 31 usd: 0
CPU 4: hi: 186, btch: 31 usd: 0
CPU 5: hi: 186, btch: 31 usd: 0
CPU 6: hi: 186, btch: 31 usd: 0
CPU 7: hi: 186, btch: 31 usd: 0
CPU 8: hi: 186, btch: 31 usd: 0
CPU 9: hi: 186, btch: 31 usd: 19
CPU 10: hi: 186, btch: 31 usd: 30
CPU 11: hi: 186, btch: 31 usd: 0
CPU 12: hi: 186, btch: 31 usd: 0
CPU 13: hi: 186, btch: 31 usd: 0
CPU 14: hi: 186, btch: 31 usd: 0
CPU 15: hi: 186, btch: 31 usd: 0
Node 0 Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 144
CPU 1: hi: 186, btch: 31 usd: 124
CPU 2: hi: 186, btch: 31 usd: 182
CPU 3: hi: 186, btch: 31 usd: 162
CPU 4: hi: 186, btch: 31 usd: 182
CPU 5: hi: 186, btch: 31 usd: 162
CPU 6: hi: 186, btch: 31 usd: 0
CPU 7: hi: 186, btch: 31 usd: 0
CPU 8: hi: 186, btch: 31 usd: 138
CPU 9: hi: 186, btch: 31 usd: 119
CPU 10: hi: 186, btch: 31 usd: 88
CPU 11: hi: 186, btch: 31 usd: 75
CPU 12: hi: 186, btch: 31 usd: 0
CPU 13: hi: 186, btch: 31 usd: 183
CPU 14: hi: 186, btch: 31 usd: 179
CPU 15: hi: 186, btch: 31 usd: 159
Node 1 Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 184
CPU 1: hi: 186, btch: 31 usd: 168
CPU 2: hi: 186, btch: 31 usd: 164
CPU 3: hi: 186, btch: 31 usd: 0
CPU 4: hi: 186, btch: 31 usd: 41
CPU 5: hi: 186, btch: 31 usd: 172
CPU 6: hi: 186, btch: 31 usd: 126
CPU 7: hi: 186, btch: 31 usd: 145
CPU 8: hi: 186, btch: 31 usd: 63
CPU 9: hi: 186, btch: 31 usd: 158
CPU 10: hi: 186, btch: 31 usd: 162
CPU 11: hi: 186, btch: 31 usd: 165
CPU 12: hi: 186, btch: 31 usd: 48
CPU 13: hi: 186, btch: 31 usd: 64
CPU 14: hi: 186, btch: 31 usd: 66
CPU 15: hi: 186, btch: 31 usd: 165
active_anon:1356095 inactive_anon:839 isolated_anon:0
active_file:93487 inactive_file:384620 isolated_file:0
unevictable:0 dirty:65 writeback:0 unstable:0
free:10288450 slab_reclaimable:40068 slab_unreclaimable:34613
mapped:9236 shmem:474 pagetables:6530 bounce:0
Node 0 DMA free:15396kB min:36kB low:44kB high:52kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
isolated(anon):0kB isolated(file):0kB present:14984kB mlocked:0kB dirty:0kB
writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB
kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 2991 24201 24201
Node 0 DMA32 free:2563944kB min:8092kB low:10112kB high:12136kB
active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3063392kB
mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB
slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 21210 21210
Node 0 Normal free:16895636kB min:57372kB low:71712kB high:86056kB
active_anon:2986668kB inactive_anon:92kB active_file:278460kB
inactive_file:1316128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
present:21719040kB mlocked:0kB dirty:120kB writeback:0kB mapped:18948kB
shmem:360kB slab_reclaimable:123620kB slab_unreclaimable:95556kB
kernel_stack:7024kB pagetables:12872kB unstable:0kB bounce:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:21678824kB min:65568kB low:81960kB high:98352kB
active_anon:2437712kB inactive_anon:3264kB active_file:95488kB
inactive_file:222352kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
present:24821760kB mlocked:0kB dirty:140kB writeback:0kB mapped:17996kB
shmem:1536kB slab_reclaimable:36652kB slab_unreclaimable:42896kB
kernel_stack:696kB pagetables:13248kB unstable:0kB bounce:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB 2*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB
1*2048kB 3*4096kB = 15396kB
Node 0 DMA32: 6*4kB 12*8kB 3*16kB 6*32kB 8*64kB 16*128kB 6*256kB 7*512kB
8*1024kB 6*2048kB 619*4096kB = 2563944kB
Node 0 Normal: 1832*4kB 1354*8kB 846*16kB 583*32kB 272*64kB 65*128kB 70*256kB
53*512kB 37*1024kB 2*2048kB 4085*4096kB = 16895280kB
Node 1 Normal: 509*4kB 2146*8kB 1166*16kB 831*32kB 346*64kB 197*128kB
200*256kB 202*512kB 192*1024kB 131*2048kB 5114*4096kB = 21678276kB
478555 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 8388600kB
Total swap = 8388600kB
12582896 pages RAM
227482 pages reserved
450152 pages shared
1712399 pages non-shared
and here's the initial oom message again:
Mem-Info:
Node 0 DMA per-cpu:
CPU 0: hi: 0, btch: 1 usd: 0
Node 0 DMA32 per-cpu:
CPU 0: hi: 42, btch: 7 usd: 23
active_anon:49 inactive_anon:97 isolated_anon:0
active_file:0 inactive_file:0 isolated_file:0
unevictable:3846 dirty:0 writeback:0 unstable:0
free:412 slab_reclaimable:1194 slab_unreclaimable:5681
mapped:356 shmem:0 pagetables:31 bounce:0
Node 0 DMA free:224kB min:0kB low:0kB high:0kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
isolated(anon):0kB isolated(file):0kB present:328kB mlocked:0kB dirty:0kB
writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB
kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 125 125 125
Node 0 DMA32 free:1424kB min:1428kB low:1784kB high:2140kB active_anon:196kB
inactive_anon:388kB active_file:0kB inactive_file:0kB unevictable:15384kB
isolated(anon):0kB isolated(file):0kB present:128256kB mlocked:0kB dirty:0kB
writeback:0kB mapped:1424kB shmem:0kB slab_reclaimable:4776kB
slab_unreclaimable:22724kB kernel_stack:600kB pagetables:124kB unstable:0kB
bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 2*8kB 1*16kB 2*32kB 2*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
0*2048kB 0*4096kB = 224kB
Node 0 DMA32: 0*4kB 2*8kB 2*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB
1*1024kB 0*2048kB 0*4096kB = 1424kB45035
3846 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
45035 pages RAM
16585 pages reserved
359 pages shared
23771 pages non-shared
Only 1 cpu listed, memory numbers are incredibly small (180MB of RAM!?), no
Normal nodes listed, etc.
--
Orion Poplawski
Technical Manager 303-415-9701 x222
NWRA, Boulder Office FAX: 303-415-9702
3380 Mitchell Lane [log in to unmask]
Boulder, CO 80301 http://www.nwra.com
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