"Andy Chittenden" <[email protected]> wrote:
>
> > It'd be useful to see the dmesg output from that oom event.
>
> Well, I've just run it again and loads of processes got killed (at least
> 3). Here's the output from dmesg:
>
> ...
>
> oom-killer: gfp_mask=0xd1, order=0
> Mem-info:
> DMA per-cpu:
> cpu 0 hot: low 0, high 0, batch 1 used:0
> cpu 0 cold: low 0, high 0, batch 1 used:0
> DMA32 per-cpu:
> cpu 0 hot: low 0, high 186, batch 31 used:162
> cpu 0 cold: low 0, high 62, batch 15 used:51
> Normal per-cpu:
> cpu 0 hot: low 0, high 186, batch 31 used:21
> cpu 0 cold: low 0, high 62, batch 15 used:41
> HighMem per-cpu: empty
> Free pages: 3116636kB (0kB HighMem)
> Active:52119 inactive:158700 dirty:108550 writeback:9545 unstable:0
> free:779159 slab:10643 mapped:44283 pagetables:1750
> DMA free:20kB min:24kB low:28kB high:36kB active:0kB inactive:0kB
> present:12740kB pages_scanned:18 all_unreclaimable? yes
> lowmem_reserve[]: 0 2999 4009 4009
> DMA32 free:2528816kB min:6052kB low:7564kB high:9076kB active:18312kB
> inactive:422164kB present:3071904kB pages_scanned:0 all_unreclaimable?
> no
> lowmem_reserve[]: 0 0 1010 1010
> Normal free:587800kB min:2036kB low:2544kB high:3052kB active:190164kB
> inactive:212636kB present:1034240kB pages_scanned:0 all_unreclaimable?
> no
> lowmem_reserve[]: 0 0 0 0
> HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB
> present:0kB pages_scanned:0 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0 0
> DMA: 1*4kB 0*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
> 0*2048kB 0*4096kB = 20kB
> DMA32: 3630*4kB 3233*8kB 3673*16kB 3553*32kB 2973*64kB 1729*128kB
> 763*256kB 418*512kB 458*1024kB 221*2048kB 140*4096kB = 2528816kB
> Normal: 17422*4kB 12118*8kB 7607*16kB 3846*32kB 1606*64kB 449*128kB
> 57*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 587800kB
> HighMem: empty
> Swap cache: add 38, delete 38, find 0/0, race 0+0
> Free swap = 9686816kB
> Total swap = 9686968kB
> Free swap: 9686816kB
> 1310720 pages of RAM
> 299467 reserved pages
> 213833 pages shared
> 0 pages swap cached
You have 3G of free memory, 2.5G in the DMA32 zone, 0.5G in the NORMAL
zone.
> Out of Memory: Killed process 6179 (nautilus).
> oom-killer: gfp_mask=0xd1, order=0
What we've run out of is the old ZONE_DMA memory.
Can you please add this patch, retest?
--- devel/mm/oom_kill.c~a 2006-01-19 01:43:31.000000000 -0800
+++ devel-akpm/mm/oom_kill.c 2006-01-19 01:43:39.000000000 -0800
@@ -271,6 +271,7 @@ void out_of_memory(gfp_t gfp_mask, int o
if (printk_ratelimit()) {
printk("oom-killer: gfp_mask=0x%x, order=%d\n",
gfp_mask, order);
+ dump_stack();
show_mem();
}
_
-
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