DEBUG_PAGEALLOC & SMP?

From: Ingo Molnar
Date: Thu Jun 23 2005 - 04:23:22 EST



is this a known problem? I'm getting an oom-kill and a stuck boot with
SMP & PAGEALLOC enabled. The UP kernel boots fine.

Ingo

Calling initcall 0xc04a38a3: ahd_linux_init+0x0/0x19()
Calling initcall 0xc04a38bc: init_sd+0x0/0x53()
oom-killer: gfp_mask=0xd1
DMA per-cpu:
cpu 0 hot: low 2, high 6, batch 1
cpu 0 cold: low 0, high 2, batch 1
cpu 1 hot: low 2, high 6, batch 1
cpu 1 cold: low 0, high 2, batch 1
cpu 2 hot: low 2, high 6, batch 1
cpu 2 cold: low 0, high 2, batch 1
cpu 3 hot: low 2, high 6, batch 1
cpu 3 cold: low 0, high 2, batch 1
Normal per-cpu:
cpu 0 hot: low 62, high 186, batch 31
cpu 0 cold: low 0, high 62, batch 31
cpu 1 hot: low 62, high 186, batch 31
cpu 1 cold: low 0, high 62, batch 31
cpu 2 hot: low 62, high 186, batch 31
cpu 2 cold: low 0, high 62, batch 31
cpu 3 hot: low 62, high 186, batch 31
cpu 3 cold: low 0, high 62, batch 31
HighMem per-cpu: empty

Free pages: 864488kB (0kB HighMem)
Active:0 inactive:0 dirty:0 writeback:0 unstable:0 free:216122 slab:4011 mapped:0 pagetables:0
DMA free:0kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 880 880
Normal free:864488kB min:3756kB low:4692kB high:5632kB active:0kB inactive:0kB present:901120kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0
DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Normal: 16*4kB 5*8kB 2*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 211*4096kB = 864488kB
HighMem: empty
Swap cache: add 0, delete 0, find 0/0, race 0+0
Free swap = 0kB
Total swap = 0kB
oom-killer: gfp_mask=0xd1
DMA per-cpu:
[...]
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