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

From: Will Schmidt
Date: Mon Oct 16 2006 - 15:20:37 EST



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@airbag2:~> 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@airbag2:~> 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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