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Old 04-29-2008, 05:44 AM   #1
PhillipHuang
Member
 
Registered: Aug 2006
Location: Shen Zhen
Distribution: Ubuntu 10.04
Posts: 198

Rep: Reputation: 33
kernel panic -not syncing : out of memory and no killable processes


Hi folks,

I re-compile the kernel with opening "HUGHMEM" to let my Linux to support 16GB memory, and it seems to run well under new kernel at the beginning, however, even no operating on this server(for about 18 hours), it meets kernel panic:

kernel panic -not syncing : out of memory and no killable processes

I am using rootfs to run all in memory. I google for this error message and find few suggestions. If it is proved that hugemem is not stable for my current system, I have to build a fresh 64 bit system.

Would you give me any hint for fixing the kernel panic?
Any suggestion would be appreciated.

Here's some options in .config file:
Quote:
# Firmware Drivers
#
# CONFIG_EDD is not set
# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set
# CONFIG_NOHIGHMEM is not set
# CONFIG_HIGHMEM4G is not set
CONFIG_HIGHMEM64G=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_HIGHMEM=y
CONFIG_X86_PAE=y
# CONFIG_NUMA is not set
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_RESOURCES_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
Thanks in advanced.

Phillip

Last edited by PhillipHuang; 04-29-2008 at 05:50 AM.
 
Old 04-30-2008, 07:10 PM   #2
xonogenic
LQ Newbie
 
Registered: Feb 2006
Posts: 25

Rep: Reputation: 2
Config_x86_pae

I hope I'm not way off base here, but it seems there is a bug posted here
http://kerneltrap.org/node/13908
which relates to using x86_PAE with HIGH_MEM=64G. Since you aren't really giving too much info here (hint: a crash dump might be helpful, or some lines from /var/log/messages just before a crash)
That is all I can really give for now, but I may be able to provide more help if I have more info. Thanks and good luck
 
  


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