10-28-2009
Check first that it really is hung by telneting or sshing from another machine- it may just be the console. Hook up a serialconnection - maybe it's just the nic and the console.
If it really is frozen solid, then hardware is suspect: power supply, scsi termination, scsi cables, motherboard. In the old days, slightly low power from a defective power supply could do this - I don't know if that's still true with modern m/b's.
A kernel call that is completely masked and is stuck in a loop would create a "frozen" machine. That's pretty unlikely.
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I work as the Systems Administrator for a reasonably large Company. We have just started setting up a WAN. Before this WAN setup started it was a tedious job to admin all our servers all over the country. Before I was officialy the "Systems Administrator" our previous guy setup our new SCO Box to... (2 Replies)
Discussion started by: shimmer
2 Replies
2. Filesystems, Disks and Memory
Hi everyone i have a question for all of you. It may be basic or it may be a good one. I recently aquired a copy of "SCO TCP/IP runtime System for SCO Unix" (thats what the disks say) and for the life of me i can not get it to load. i have tried opening the disk in linux and it can not determine... (0 Replies)
Discussion started by: Cerberus
0 Replies
3. SCO
Hi,
I did shutdown and restart SCO server, now wanna find log to know exactly when system was effected. I took a look at /var/adm/ but seem there are no logs for my required information. it seems diff from Sun or HP UNIX...
appreciate all your help.
Thanks (2 Replies)
Discussion started by: milo
2 Replies
4. SCO
hi all
please someone tell me where can get iso of sco System V vs 5.05
regards (1 Reply)
Discussion started by: weramirez
1 Replies
5. Linux
Hello,
I'm writing a linux driver that reading the data of a page frame of an process. But when I use it, it make immediately freeze the system. Can you help me? Thank for reading my question!
system: Ubuntu 9.04, kernel 2.6.28.15, Intel Duo
static int read_addr(int pid, unsigned long... (2 Replies)
Discussion started by: hahai
2 Replies
6. Linux
Hi,
I wrote a kernel module that did a virtual network protocol and library that provide interface for application use to interact with the kernel module by ioctl actions.
insmod the module and unload the module, there will be no problem. But once I call the library with my example... (0 Replies)
Discussion started by: a2156z
0 Replies
7. SCO
Hi! I'm about to throw away a shelf meter or so of SCO system V official documentation.
The original beige binders. I'm not sure if there is a shortage of these old books, but if anyone near Gothenburg, Sweden has use for them. Drop me a line at : martin (dot) rudolfson at mac (dot) com
Martin (4 Replies)
Discussion started by: iMan
4 Replies
8. SCO
Hi Gurus
I have installed SCO 6.0 open server on Dell R710 server.
It has frozen three times afte installtion. and I had to cold reboot to bring the server back again.
I need to know where to look for the reason it froze.
The keyboard on the server the asterisk key is pressed, even... (13 Replies)
Discussion started by: atish0
13 Replies
9. Cybersecurity
hello
is there any freeze software for Linux-redhat system to prevent any changes on /root
(wish open topic on right forum) (3 Replies)
Discussion started by: nimafire
3 Replies
10. SCO
Hi Guys,
Some time ago I get a disk for my SCO System V 3.2 R4.2 tcp 1.2.1 distribution. Now 4 Year later I am serarching the development system due to the fact that System V did not come with the C compiler. There is any change to get it ? my intention is academyc only.
or anyone... (3 Replies)
Discussion started by: locovich
3 Replies
LEARN ABOUT OPENSOLARIS
power
power(9E) Driver Entry Points power(9E)
NAME
power - power a device attached to the system
SYNOPSIS
#include <sys/ddi.h>
#include <sys/sunddi.h>
int prefixpower(dev_info_t *dip, int component, int level);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI). This entry point is required. If the driver writer does not supply this entry point, the value NULL
must be used in the cb_ops(9S) structure instead.
PARAMETERS
dip Pointer to the device's dev_info structure.
component Component of the driver to be managed.
level Desired component power level.
DESCRIPTION
The power(9E) function is the device-specific Power Management entry point. This function is called when the system wants the driver to set
the power level of component to level.
The level argument is the driver-defined power level to which the component needs to be set. Except for power level 0, which is interpreted
by the framework to mean "powered off," the interpretation of level is entirely up to the driver.
The component argument is the component of the device to be power-managed. The interpretation of component is entirely up to the driver.
When a requested power transition would cause the device to lose state, the driver must save the state of the device in memory. When a
requested power transition requires state to be restored, the driver must restore that state.
If a requested power transition for one component requires another component to change power state before it can be completed, the driver
must call pm_raise_power(9F) to get the other component changed, and the power(9E) entry point must support being re-entered.
If the system requests an inappropriate power transition for the device (for example, a request to power down a device which has just
become busy), then the power level should not be changed and power should return DDI_FAILURE.
RETURN VALUES
The power() function returns:
DDI_SUCCESS Successfully set the power to the requested level.
DDI_FAILURE Failed to set the power to the requested level.
CONTEXT
The power() function is called from user or kernel context only.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface stability |Committed |
+-----------------------------+-----------------------------+
SEE ALSO
attach(9E), detach(9E), pm_busy_component(9F), pm_idle_component(9F), pm_raise_power(9F), cb_ops(9S)
Writing Device Drivers
Using Power Management
SunOS 5.11 12 Dec 2003 power(9E)