linux-kernel - Re: kernel BUG in __cache_alloc_node at linux-2.6.git/mm/slab.c:3177!

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Message-Id: <1161026409.31903.15.camel@farscape>
Date:	Mon, 16 Oct 2006 14:20:08 -0500
From:	Will Schmidt <will_schmidt@...t.ibm.com>
To:	Christoph Lameter <clameter@....com>
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: Re: kernel BUG in __cache_alloc_node at
	linux-2.6.git/mm/slab.c:3177!


Here is the content of /sys/devices/system/node/*  and /proc/meminfo.  
This is from the same partition, booted with a 2.6.16-ish distro
kernel. 

notice that the node1/meminfo MemUsed value seems just a little bit
elevated.   MemFree being larger than MemTotal seems a bit wrong too. 

14:07:43 0 willschm@...bag2:~> find /sys/devices/system/node -type f
-print -exec cat {} \;
/sys/devices/system/node/node1/distance
20 10
/sys/devices/system/node/node1/numastat
numa_hit 6279
numa_miss 141588
numa_foreign 0
interleave_hit 5218
local_node 0
other_node 147867
/sys/devices/system/node/node1/meminfo

Node 1 MemTotal:       327680 kB
Node 1 MemFree:        435704 kB
Node 1 MemUsed:      18446744073709443592 kB
Node 1 Active:          41412 kB
Node 1 Inactive:        19976 kB
Node 1 HighTotal:           0 kB
Node 1 HighFree:            0 kB
Node 1 LowTotal:       327680 kB
Node 1 LowFree:        435704 kB
Node 1 Dirty:               0 kB
Node 1 Writeback:           0 kB
Node 1 Mapped:              0 kB
Node 1 Slab:                0 kB
Node 1 HugePages_Total:     0
Node 1 HugePages_Free:      0
/sys/devices/system/node/node1/cpumap
00000000,00000000,00000000,00000000
/sys/devices/system/node/node0/distance
10 20
/sys/devices/system/node/node0/numastat
numa_hit 0
numa_miss 0
numa_foreign 141749
interleave_hit 0
local_node 0
other_node 0
/sys/devices/system/node/node0/meminfo

Node 0 MemTotal:       229376 kB
Node 0 MemFree:             0 kB
Node 0 MemUsed:        229376 kB
Node 0 Active:              0 kB
Node 0 Inactive:            0 kB
Node 0 HighTotal:           0 kB
Node 0 HighFree:            0 kB
Node 0 LowTotal:       229376 kB
Node 0 LowFree:             0 kB
Node 0 Dirty:               8 kB
Node 0 Writeback:           0 kB
Node 0 Mapped:          33940 kB
Node 0 Slab:            25500 kB
Node 0 HugePages_Total:     0
Node 0 HugePages_Free:      0
/sys/devices/system/node/node0/cpumap
00000000,00000000,00000000,000000ff

---
14:07:45 0 willschm@...bag2:~> cat /proc/meminfo
MemTotal:       531628 kB
MemFree:        436000 kB
Buffers:          2880 kB
Cached:          35156 kB
SwapCached:          0 kB
Active:          41364 kB
Inactive:        19976 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       531628 kB
LowFree:        436000 kB
SwapTotal:      803240 kB
SwapFree:       803240 kB
Dirty:               0 kB
Writeback:           0 kB
Mapped:          33776 kB
Slab:            25332 kB
CommitLimit:   1069052 kB
Committed_AS:    81980 kB
PageTables:       1088 kB
VmallocTotal: 8589934592 kB
VmallocUsed:      2560 kB
VmallocChunk: 8589931608 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:    16384 kB





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