I have to suggest that we turn HTML back off. The problem is that angle brackets are used in code and this is causing stuff to get dropped from posts.
I know that we can use the constructs that PxT mentions in this thread. But look how hard it is to educate folks about code tags and the search... (4 Replies)
Hmm, how to ask this without sounding too malicious...
How might one go about causing a disk corruption in OS X specifically or via the command line in UNIX in general?
Doesnt matter the severity of the problem, I just want to scare the person a little, then fix the problem for them.
Any... (1 Reply)
Hi there
I have a box that at 4pm started recieving soft errors on a DIMM, normally this is ok and we have time to swap it out. But I got the following error which caused the box to reboot
NOTE: there were abount 6 or 7 normal "soft error encountered" messages before this one
Nov 7... (1 Reply)
Hi, I seem to be getting errors in relation to GCC it seems as I cant upgrade alot of pkgs until I can upgrade or use a later version of GCC.
The error I get is along the lines of ( cc1: error: unrecognized command line option "-Wno-pointer-sign"
*** Error code 1 )
Anyway I was wondering if... (2 Replies)
Hi folks... I really need some help soon with this issue I am having when I run my script using 'nohup'. Below is a function 'checkReturn' that my script uses to check whether other functions or tasks errored out with a non-zero exit code.
function checkReturn {
if ; then
... (2 Replies)
I am working on capturing lines of output from a korn script that is used to import optical disks into a jukebox. The script is running on Solaris 8. Insertdiscs calls the binary named vimport which starts up and prompts for a disk to be inserted. I am able to capture output with this line below... (3 Replies)
Hello
On one of our systems (AIX 5) I am seeing (vmstat) paging intermittently
I want to know which process is causing the paging?
I understand that first I would need to find out which process is consuming most memory
1) Is that right?
2) How to find it out?
3) By googling I found... (8 Replies)
Hi Experts,
I am facing one problem here which is one process always stuck in running state which causes the other similar process to sleep state . This causes my system in hanged state.
On doing cat /proc/<pid>wchan showing the "__init_begin" in the output.
Can you please help me here... (0 Replies)
Hi Experts,
I am facing one problem here which is one process always stuck in running state which causes the other similar process to sleep state . This causes my system in hanged state.
On doing cat /proc/<pid>wchan showing the "__init_begin" in the output.
Can you please help me here... (1 Reply)
Hi Experts,
I am facing one problem here which is one process always stuck in running state which causes the other similar process to sleep state . This causes my system in hanged state.
On doing cat /proc/<pid>wchan showing the "__init_begin" in the output.
Can you please help me here... (6 Replies)
Discussion started by: naveeng
6 Replies
LEARN ABOUT FREEBSD
ddb
DDB(8) BSD System Manager's Manual DDB(8)NAME
ddb -- configure DDB kernel debugger properties
SYNOPSIS
ddb capture [-M -core] [-N -system] print
ddb capture [-M -core] [-N -system] status
ddb script scriptname
ddb script scriptname=script
ddb scripts
ddb unscript scriptname
ddb pathname
DESCRIPTION
The ddb utility configures certain aspects of the ddb(4) kernel debugger from user space that are not configured at compile-time or easily
via sysctl(8) MIB entries.
To ease configuration, commands can be put in a file which is processed using ddb as shown in the last synopsis line. An absolute pathname
must be used. The file will be read line by line and applied as arguments to the ddb utility. Whitespace at the beginning of lines will be
ignored as will lines where the first non-whitespace character is '#'.
OUTPUT CAPTURE
The ddb utility can be used to extract the contents of the ddb(4) output capture buffer of the current live kernel, or from the crash dump of
a kernel on disk. The following debugger commands are available from the command line:
capture [-M core] [-N system] print
Print the current contents of the ddb(4) output capture buffer.
capture [-M core] [-N system] status
Print the current status of the ddb(4) output capture buffer.
SCRIPTING
The ddb utility can be used to configure aspects of ddb(4) scripting from user space; scripting support is described in more detail in
ddb(4). Each of the debugger commands is available from the command line:
script scriptname
Print the script named scriptname.
script scriptname=script
Define a script named scriptname. As many scripts contain characters interpreted in special ways by the shell, it is advisable to
enclose script in quotes.
scripts
List currently defined scripts.
unscript scriptname
Delete the script named scriptname.
EXIT STATUS
The ddb utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
The following example defines a script that will execute when the kernel debugger is entered as a result of a break signal:
ddb script kdb.enter.break="show pcpu; bt"
The following example will delete the script:
ddb unscript kdb.enter.break
For further examples, see the ddb(4) and textdump(4) manual pages.
SEE ALSO ddb(4), textdump(4), sysctl(8)HISTORY
The ddb utility first appeared in FreeBSD 7.1.
AUTHORS
Robert N M Watson
BUGS
Ideally, ddb would not exist, as all pertinent aspects of ddb(4) could be configured directly via sysctl(8).
BSD December 24, 2008 BSD