08-20-2009
server hang problem
Hello everybody..
I have RHEL-4 Server with kernel - Linux 2.6.9-78.0.1.ELlargesmp x86_64
It is used for Development usage..
That server got hang and so reboot was required, when checked log file i found following messages,
kernel: warning: many lost ticks.
kernel: Your time source seems to be instable or some driver is hogging interupts
kernel: rip __do_softirq+0x4d/0xd0
kernel: Falling back to HPET
Can anybody help me out to understand what are these messages?
What action need to be taken to avoid these?
I would appreciate your help..
Thanks.
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LEARN ABOUT OSF1
kloadsrv
kloadsrv(8) System Manager's Manual kloadsrv(8)
NAME
kloadsrv - Kernel load server
SYNOPSIS
/sbin/kloadsrv [-V] [-f] [-d debug-level] [-log logfile] [-p kernel-package-name] [kernel-object-filename]
FLAGS
Displays the version of the kloadsrv command. Causes kloadsrv to remain in the foreground. Specifies the level of debugging information.
The debug-level is a small integer. Zero disables debugging. Nonzero values from one to higher levels cause kloadsrv to display various
log messages. Specifies that the debugging information is to be sent to the specified log file. Logfile should be specified as a full
pathname. By default, the debugging information is sent to /dev/console. Specifies the name of the default kernel package.
DESCRIPTION
The kloadsrv command loads kernel modules into the kernel. It is typically started during system startup. If you omit the kernel-object-
filename from the startup command line, the kloadsrv daemon uses the running kernel.
During its initialization, kloadsrv builds a list of kernel symbols that device drivers can use. Moving or overwriting the kernel object
file in single user mode can cause this list of symbols to contain inaccurate addresses. The addresses in the list reflect the addresses
in the new kernel, not the addresses in the booted kernel.
Each symbol exported by the kernel belongs to the kernel package. This package is named kernel, unless you use the -p flag.
Once kloadsrv has successfully initialized itself, it puts itself into the background and enters its server loop, where it waits to receive
and respond to load requests, unload requests, and query requests. If you specify the -f flag, the command remains in the foreground.
RELATED INFORMATION
Commands: cfgmgr(8), sysconfig(8), sysconfigdb(8) delim off
kloadsrv(8)