Hi,
I always like the command db tr 123 in DDB. Is there an equivalent
command in gdb? Thanks.
-Zhihui
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I try to use high resolution kernel profiling today on FreeBSD 4.6
release. I use config -p -p MYKERNEL and later kgmon -Br to start the
profiling. However, the file generate by gprof contains many negative
numbers such as -0.00, -0.02 under the columns of self and descendents.
Why is the case?
Hi,
Can anyone please tell me what is the command and syntax of it that can
display how much time in percentage a disk is busy? iostat is supposed to
do that, but I could not figure out the syntax.
Thanks,
-Zhihui
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Hi,
I notice that the SYSCTL_INT() only support integer. Is there a support of
things like 64-bit SYSCTL_LONGLONG()? If so, where is the sample code?
Thanks.
-Zhihui
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I need to set a variable value in gdb:
(gdb) set xyz = 1 - works
(gdb) set i = 1- syntax error near '1'
I guess i must have special meaning in gdb. But what if I insist setting
it, is there a way? Thanks.
-Zhihui
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Thanks. The backtrace often gives something like:
routine name + 0x350
Is there a way to quickly determine the correponding source code line?
-Zhihui
On Tue, 29 Oct 2002, Nate Lawson wrote:
On Tue, 29 Oct 2002, John Baldwin wrote:
On 29-Oct-2002 Zhihui Zhang wrote:
I remember
I asked a very similar question a while ago (within at most two months I
think). Try search for subject kernel daemon cleanup.
-Zhihui
On Tue, 11 Jun 2002, John Baldwin wrote:
On 10-Jun-2002 Ferruccio Vitale wrote:
Hi,
how can I destroy a kernel thread that I previously created?
I have a need to record the total physical times spent on I/O requests
during some period. My basic idea is to record the start time when the
request is issued somewhere in a disk driver and the finish time somewhere
in an interrupt routine. Can any one please tell me where are the right
places
When we reboot a machine, it seems to me that the kernel sends signal 15
to daemons and wait 60 seconds for them to finish. In my program, I use
kthread_create() to create a daemon, how to make sure that my daemon
finishes all its job before reboot can proceed? Do I need to let the
daemon catch
for memory and how long it is waiting for
I/O. No other process is running at the same time.
-Zhihui
On Tue, 14 May 2002, Terry Lambert wrote:
Doug White wrote:
On Mon, 13 May 2002, Zhihui Zhang wrote:
A process can sleep for various reasons such as memory, I/O etc. Is there
a way to collect
much work?) will help.
-Zhihui
On Wed, 15 May 2002, Alfred Perlstein wrote:
* Zhihui Zhang [EMAIL PROTECTED] [020515 10:33] wrote:
Basically I have a program that does a lot of I/O and alloctes/frees a lot
of memory. The time command gives result like this:
6.239u 19.329s 7:59.76 5.3
A process can sleep for various reasons such as memory, I/O etc. Is there
a way to collect statistics about how long it sleeps for different
reasons? Thanks.
-Zhihui
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In routine ffs_balloc(), after we have determined that the block is
already there, we use the following statement to read the block in:
if (flags B_CLRBUF) {
error = bread(vp, lbn, (int)fs-fs_bsize, NOCRED, nbp);
if (error) {
While debugging kernel modules, I often get page fault panics. Using up
command in gdb, I can find out which routine is the culprit. But I can not
get information about which statement within that routine causes the
problem. Is there a way to get this more exact information?
Any help is
I am wondering how many modules in all are compiled during the kernel
compilation (make depend; make). Is there any configuration file I can
look into to find out all the module names?
Thanks,
-Zhihui
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Is there any fundamental reason why a page can not be owned by more than
one VM object? If that was the case, the bogus page stuff in vfs_bio.c
could be made cleaner IMHO.
-Zhihui
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the data come from?
On Thu, 7 Mar 2002, Zhihui Zhang wrote:
Is there any fundamental reason why a page can not be owned by more than
one VM object? If that was the case, the bogus page stuff in vfs_bio.c
could be made cleaner IMHO.
-Zhihui
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On Wed, 6 Mar 2002, Peter Edwards wrote:
Zhihui Zhang wrote:
snip
... I also do not read anything during the partial block write,
and I think the disk controller should not do that either.
If you do a partial block write, surely at some point the block must be read
in order
On Wed, 6 Mar 2002, Ian wrote:
Zhihui Zhang wrote:
snip
... I also do not read anything during the partial block write,
and I think the disk controller should not do that either.
If you do a partial block write, surely at some point the block must be read
in order
On Wed, 6 Mar 2002, Peter Pentchev wrote:
On Wed, Mar 06, 2002 at 12:12:44PM -0500, Zhihui Zhang wrote:
On Wed, 6 Mar 2002, Peter Edwards wrote:
Zhihui Zhang wrote:
snip
... I also do not read anything during the partial block write,
and I think the disk
I am doing some raw I/O test on a seagate SCSI disk running FreeBSD 4.5.
This situation is like this:
+-++++++++++---+--
| |||||||||| |
+-++++++++++---+--
to me.
-Zhihui
On Tue, 5 Mar 2002, Zhihui Zhang wrote:
I am doing some raw I/O test on a seagate SCSI disk running FreeBSD 4.5.
This situation is like
The machine has 128M memory. I am doing physical I/O one block at a time,
so there should be no memory copy.
-Zhihui
On Tue, 5 Mar 2002, Rogier R. Mulhuijzen wrote:
At 16:03 5-3-2002 -0500, Zhihui Zhang wrote:
On Tue, 5 Mar 2002, Julian Elischer wrote:
more writes fit
and see what happens.
Also, could you post your actual measurements?
Lars
Zhihui Zhang wrote:
The machine has 128M memory. I am doing physical I/O one block at a time,
so there should be no memory copy.
-Zhihui
On Tue, 5 Mar 2002, Rogier R. Mulhuijzen wrote:
At 16:03 5-3
Several times slower! The point is that writing less data performs
worse. So I call it weird.
-Zhihui
On Tue, 5 Mar 2002, Lars Eggert wrote:
Zhihui Zhang wrote:
Well, the core of my program is as follows (RANDOM(x) return a value
between 0 and x):
blocksize = 8192
) is close to the time reported by the
user program.
-Zhihui
On Tue, 5 Mar 2002, Lars Eggert wrote:
Zhihui Zhang wrote:
Several times slower! The point is that writing less data performs
worse. So I call it weird.
Huh? You originally said:
(1) Write each block fully and sequentially, ie
On Tue, 5 Mar 2002, Brian T.Schellenberger wrote:
On Tuesday 05 March 2002 06:29 pm, Julian Elischer wrote:
On Tue, 5 Mar 2002, Lars Eggert wrote:
Zhihui Zhang wrote:
Several times slower! The point is that writing less data performs
worse. So I call it weird.
Huh? You
(5) signal? The same program works fine on
SunOS. Maybe there is a bug in the kernel. I have looked into
sys_process.c and still have no idea.
-Zhihui
On 9 Feb 2002, Dag-Erling Smorgrav wrote:
Zhihui Zhang [EMAIL PROTECTED] writes:
The following small program demonstrates that a parent
On 9 Feb 2002, Dag-Erling Smorgrav wrote:
Zhihui Zhang [EMAIL PROTECTED] writes:
- PT_CONTINUE + waitpid() works fine, the trace program prints out values.
This is expected behaviour.
- PT_CONTINUE alone does not work but no core-dump caused by SIGTRAP
- PT_DETACH + waitpid() does
This is a mystery to me. I have gone through some kernel code without
luck.
The following small program demonstrates that a parent process can write
into the data space of its child by ptrace(). If the parent waits for the
child to exit, there is no problem. However, if the parent does not do
Each time I modify some kernel source, I have to do the following two
steps:
(1) make
(2) make install
The second step also re-installs ALL modules even if I only modifies the
kernel code (not any of the module code). Is there a better way to do
this? Thanks,
-Zhihui
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I can't guess what does it mean by hiding. Maybe any system call can be
hidden from some configuration of the kernel.
-Zhihui
On Wed, 30 Jan 2002, Peter Pentchev wrote:
On Tue, Jan 29, 2002 at 03:58:16PM -0500, Zhihui Zhang wrote:
While adding a system call, I notice in file syscall
While adding a system call, I notice in file syscall-hide.h there are
many instances of HIDE_POSIX() and HIDE_BSD(). What is the purpose of
these macros? Maybe they are now obsolete?
Thanks!
-Zhihui
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Now I know FreeBSD could defer creating an VM object until the last minute
- when the page fault occurs. Thanks.
-Zhihui
On Tue, 18 Dec 2001, Matthew Dillon wrote:
:What are the backing objects of the stack and heap area of a process's
:address space? When are they created? I saw the
What are the backing objects of the stack and heap area of a process's
address space? When are they created? I saw the code vm_map_insert(), but
the object argument given is NULL.
Thanks,
-Zhihui
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While compiling a debug kernel, I forgot to set the flag of sio0 to
0x80. Is there anyway I can fix this quickly without recompiling
the kernel? Thanks,
-Zhihui
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I have been able to fix this bug in my KLD. I forgot to add a splbio()
protection in a function.
On Thu, 29 Nov 2001, Zhihui Zhang wrote:
While running my KLD that does a lot of I/O, I see the following message:
ahc0: Timedout SCB already complete. interrupts may not be functioning
I am wondering whether we need contiguous memory for a PHYSICAL buffer to
perform the DMA I/O. It seems not, because regular buffers can be
consisted of non-contiguous pages. The disk driver should treat both
kinds of buffers in the same way. So can I say that any buffers used by
kernel (via
While running my KLD that does a lot of I/O, I see the following message:
ahc0: Timedout SCB already complete. interrupts may not be functioning.
This happens after my KLD runs a while.
What could be the problem? Where could the bugs likely exist?
Thanks for any clue.
-Zhihui
To
I am trying to allocate a dynamic number of large memory (128K) by
malloc(128K, M_xxx, M_NOWAIT). Although this is not done in an interrupt
routine, I figure I'd better use M_NOWAIT so that I can deal with the
situation when the memory is low. However, I experience the following
deadlock:
#1
VM gurus: This seems to be bug!
This morning I sent an email (attached below) regarding a hang at the
vmopar state. While waiting for responses, I use Google Advanced Groups
Search looking for vmopar in all FreeBSD archived mailing lists and I
did find the following message posted by Xavier
I am trying to profile a KLD. It seems to me that adding the following
line in its make file does not help:
COPTS+= -pg -DGPROF
The kernel was configured with config -p and I used kgmon -b, kgmon -h,
kgmon -p, and gprof /kernel gmon.out gprof.out to collect the data. But
none of my routines
:
In message Pine.SOL.4.21.0110201648520.23011-10@onyx Zhihui Zhang writes:
: Kernel modules are supposed to locate under /modules. It turns out we can
: find it under /. So where are kernel models located exactly?
In -stable it is /modules (except for about 8 hours in the last few
days when
Kernel modules are supposed to locate under /modules. It turns out we can
find it under /. So where are kernel models located exactly?
Thanks,
-Zhihui
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I was using FreeBSD a while ago, suddenly a lot of messages show up:
Limiting closed port RST responses from 224 to 200 packets per seconds.
These messages persist even after reboot. What happened? What should I do?
Thanks!
-Zhihui
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On Wed, 3 Oct 2001, Ken Pizzini wrote:
Zhihui Zhang [EMAIL PROTECTED] wrote:
(3) Matt says For example, if you have two hardlinked files residing in
different directories both get renamed simultaniously, one of the
rename()s can fail even though there is no conflict
Does FreeBSD 4.3-release support hardware watchpoint? If so, how to enable
it? I tried something like:
(gdb) watch * 0xc28374d0
Hardware watchpoint 4: * 3263395024
(gdb) watch * (int32_t *) 3263427792
Hardware watchpoint 5: *(int32_t *) 3263427792
But it does not seem to work well. Instead, I
I put the whole kernel code under /test by the following command:
#cp -R /usr/src/sys /test
My configuration file is under /test/sys/i386/conf. Then I follow
all the steps as I usually do to make a kernel and install the kernel
(config, make depend, make, and make install).
But I got the
of the Makefile in the accf_http directory?
On Mon, 1 Oct 2001, Zhihui Zhang wrote:
I put the whole kernel code under /test by the following command:
#cp -R /usr/src/sys /test
My configuration file is under /test/sys/i386/conf. Then I follow
all the steps as I usually do to make
I am using gdb a lot recently and find out that most of the bugs are
memory related. I am wondering how to set up a hardware breakpoint which
is triggered whenever a memory address is written again. I have no
experience with this subject.
Another minor question is how to set a static variable
have met.
-Zhihui
On Thu, 13 Sep 2001, Terry Lambert wrote:
Ah. Interesting bug; perhaps related to a similar experience
of my own... so let's stare at it!
Zhihui Zhang wrote:
I am debugging a KLD and I have got the following panic inside an
interrupt context:
fault virutal
I am debugging a KLD and I have got the following panic inside an
interrupt context:
fault virutal address = 0x1080050
...
interrupt mask = bio
kernel trap: type 12, code = 0
Stopped at vwakeup+0x14: decl 0x44(%eax)
Where eax is 0x108000c and vwakeup() is called from biodone().
Since this
The routine vfs_clean_pages() is only called by bdwrite() to tell the VM
that the buffer pages are clean so that VFS will write them when it sees
fit.
However, pages belonging to buffers are wired down, which means they are
not on any paging queues. So even without vfs_clean_pages(), the
I use BUF_STRATEGY() in a kernel module to read a sector on a device like
/dev/ad0s3g. The biowait() routine after BUF_STRATEGY() gives me errors
like EALREADY and EPERM from time to time. I find out that these errors
occur after I already wrote the same device by another program. If I wait
a
I know gdb can source stepping the kernel. But without two machines, you
can not do it. Now I have only one machine and the system panic:
db trace
bqrelse(cxxx, cxxx, cxxx, c, cxxx) at bqrelse+0x25
is there a way to use these addresses to figure out which line or lines of
source are
Your snapshot is cool and I have found your old mail regarding VMWARE.
One more question: Is X-windows needed for this stuff?
Thanks,
-Zhihui
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What is the file system that uses VT_TFS in vnode.h? Is it still available
on FreeBSD? Thanks.
-Zhihui
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On Sun, 26 Aug 2001, Julian Elischer wrote:
Zhihui Zhang wrote:
Thanks for your replay. I use gdb to find out that the buffer address is
not 16-byte aligned. This leads to a question as to how to align a
statically allocated data structure properly. Using union seems to be able
On Mon, 27 Aug 2001, Julian Elischer wrote:
Zhihui Zhang wrote:
I believe that message is from ata_dmasetup():
if (((uintptr_t)data scp-alignment) || (count scp-alignment)) {
ata_printf(scp, device, non aligned DMA transfer attempted\n);
return -1
to achieve this?
-Zhihui
On Fri, 24 Aug 2001, Julian Elischer wrote:
Zhihui Zhang wrote:
I write a program that writes into a raw device directly. Although the
program runs OK, the system prints messages like:
ata0-master: non aligned DMA transfer attempted
make sure your DMA buffer
I write a program that writes into a raw device directly. Although the
program runs OK, the system prints messages like:
ata0-master: non aligned DMA transfer attempted
What exactly happens here? Is there any problem in my program?
Thanks.
-Zhihui
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FreeBSD can not allocate from the PQ_CACHE queue in an interrupt context.
Can anyone explain it to me why this is the case?
Thanks,
-Zhihui
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FreeBSD can not allocate from the PQ_CACHE queue in an interrupt
context. Can anyone explain it to me why this is the case?
Thanks,
-Zhihui
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I thought doing a memory free is always safe in an interrupt context. Now
it seems doing an allocation of memory is safe too. Does MCLGET() call
vm_page_alloc() or malloc() eventually? If so, it might block.
-Zhihui
On Thu, 26 Jul 2001, Terry Lambert wrote:
Bosko Milekic wrote:
Er,
On Tue, 24 Jul 2001, Terry Lambert wrote:
Zhihui Zhang wrote:
Hi,
in freebsd can we change the cluster size from 2048
bytes.If yes how can we do that?
do we have to configure in some file?
You must be asking why the mbuf cluster size is chosen as 2048, right? It
is probably
I see. It has something to do with the power-of-two allocator we are
using inside the kernel.
-Zhihui
On Wed, 25 Jul 2001, Bosko Milekic wrote:
On Wed, Jul 25, 2001 at 01:51:51PM -0400, Zhihui Zhang wrote:
On Tue, 24 Jul 2001, Terry Lambert wrote:
Zhihui Zhang wrote:
Hi
Just out of curiosity, Linux's kernel stack is one page. Where in the
kernel source code that says that we can have two pages instead of one
page kernel stack?
-Zhihui
On Mon, 23 Jul 2001, Eugene L. Vorokov wrote:
I call this function with (curproc, PATH_MAX+1), and everything is fine
You must be asking why the mbuf cluster size is chosen as 2048, right? It
is probably a tradeoff between memory efficient and speed.
-Zhihui
On Mon, 23 Jul 2001, [iso-8859-1] vishwanath pargaonkar wrote:
Hi,
in freebsd can we change the cluster size from 2048
bytes.If yes how can we do
/* pages of u-area */
Regards,
Weiguang
From: Zhihui Zhang [EMAIL PROTECTED]
To: [EMAIL PROTECTED], Eugene L. Vorokov [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
Subject: Re: using syscalls in a module (stack problem ?)
Date: Mon, 23 Jul 2001 12:07:47 -0400 (EDT)
Just out
Yes. But it is not easy. Look at code vfs_vnops.c. You can let a user
process open a file and then push the file descriptor into kernel via a
special system call. Search the mailing list archive and you will find
discussions on how to add a new system call.
-Zhihui
On Wed, 18 Jul 2001, suid
Can anyone tell me why FreeBSD has 256 bytes of spare space in the user
area? Thanks.
-Zhihui
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100% agreed. In this particular vmiodirenable case, you can search the
mailing list archive and will find that people have discussed it at least
one year ago. Plus, if you still do not understand it, read the book The
design and Implementation of the 4.4 BSD Operating System. Anyway, when
you
layers is really bad.
-Zhihui
On Thu, 28 Jun 2001, Terry Lambert wrote:
Zhihui Zhang wrote:
Suppose I write a program that calls sbrk(). How can I trace into the
function sbrk()? In this particular case, I want to know whether
sbrk() calls the function in file lib/libstand/sbrk.c or sys
Suppose I write a program that calls sbrk(). How can I trace into the
function sbrk()? In this particular case, I want to know whether
sbrk() calls the function in file lib/libstand/sbrk.c or sys/sbrk.S.
Sometimes it is nice to see what system call is eventually called as well.
I know dynamic
I guess the kernel will block the process trying to write more data than
that can be accommodated. Or if you are using non-blocking I/O, it will
return an error.
-Zhihui
On Wed, 27 Jun 2001, Manas Bhatt wrote:
hi all,
pipes uses only direct blocks to store data. so
depending on the
On Fri, 22 Jun 2001, Terry Lambert wrote:
Zhihui Zhang wrote:
According to the red daemon book, alias vnodes are used to make cache
coherent (vp as a key). But getblk() stuff does not seem to check it.
This makes me feel the code is there for historical reasons.
The BSD 4.4 book
There is following comment inside ufs_mknod() which says
/*
* Remove inode, then reload it through VFS_VGET so it is
* checked to see if it is an alias of an existing entry in
* the inode cache.
*/
I really can not understand it. For each new disk inode, we call
According to my reading of kern_lock.c, it does support shared lock.
However, we are still using LK_EXCLUSIVE mode more often than necessary.
If I want to look up a directory or to read a buffer, I should be able to
use the LK_SHARED lock. Right now, only few places I have found using
LK_SHARED,
Do we have conditional/synchronization variable support in FreeBSD? If
not, is there any alternative mechanism to use in the kernel? Thanks.
-Zhihui
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While looking at the code in vfs_bio.c, I notice the existence of low and
high free buffer counters. The comments say they are there to give some
special process like buf daemon access to emergence reserve. I just
don't get the reason for having this emergence reserve. Do we allocate
buffer in
Thanks! I am wondering whether the free VM page reserve has similar reason
to exist, i.e., to clean dirty pages you need more pages. Probably not,
that is for interrupt routines that can not block.
On Wed, 18 Apr 2001, Alfred Perlstein wrote:
* Zhihui Zhang [EMAIL PROTECTED] [010418 09:18
In the FDISK-like menu of /stand/sysinstall, the PType (partition type)
column is given values like 1,2,3,4,6. While the subtype field is
well-defined (e.g., 0xa5 = freebsd), I can not find where the partition
type is explained. I also tried PCguide in vain. Can somebody explain
this to me?
Kanad:
I remember you subscribed some journal a while ago. Was it "digital
technical journal?" I found two papers on VAXcluster filesytem design on
No. 5, september 1987. If so and you happen to keep that issue, please
borrow me for a while. Thanks.
Regards,
-Zhihui
I want to set up a serial console on a freebsd 4.1 box. I follow the
instructions at http://www.mostgraveconcern.com/freebsd/. I tried to do
the following:
# cd /sys/boot/i386/boo2
# make clean
# make
I got "cannot open ../btx/lib/crt0.o". What happened? Besides, I want to
use another
On Thu, 10 Aug 2000, Mike Smith wrote:
I want to set up a serial console on a freebsd 4.1 box. I follow the
instructions at http://www.mostgraveconcern.com/freebsd/. I tried to do
the following:
Put
-h
in /boot.config. Now you have a serial console.
Yes! Two more quick
On Thu, 10 Aug 2000, Mike Smith wrote:
On Thu, 10 Aug 2000, Mike Smith wrote:
I want to set up a serial console on a freebsd 4.1 box. I follow the
instructions at http://www.mostgraveconcern.com/freebsd/. I tried to do
the following:
Put
-h
in
Does 4.1-Release support YAMAHA PCI Audio Controller YMF 724? I have tried
the suggestion given by man pcm without success. By the way, what is a
card with bridge driver support and a PnP card as mentioned by man pcm?
Thanks for your help.
-Zhihui
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On Thu, 20 Jul 2000, Zhihui Zhang wrote:
Does kernel memory of the same type (e.g., M_TEMP) must be allocated
(using malloc()) with the same (range of) size? BTW, how to display mbuf
cluster usages info. Thanks.
A memory type can have memory blocks with different sizes. Use netstat -m
On Mon, 17 Jul 2000, Zhihui Zhang wrote:
I am writing a KLD that gives me kernel fault each time I run 'ps' command
after 'make unload'. The KLD has a system call to create several kernel
threads by calling kthread_create(). During unload, I set flags to each
threads so
Does kernel memory of the same type (e.g., M_TEMP) must be allocated
(using malloc()) with the same (range of) size? BTW, how to display mbuf
cluster usages info. Thanks.
-Zhihui
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I am writing a KLD that gives me kernel fault each time I run 'ps' command
after 'make unload'. The KLD has a system call to create several kernel
threads by calling kthread_create(). During unload, I set flags to each
threads so that they will call exit1() upon wakeup (sleep on a timeout).
Can anyone tell me what factors determine the max DMA size (DMA counter on
each controller or PCI bus related)? What is the typical max DMA size for
a SCSI disk connected to a PCI bus? It seems to be much larger than
MAXPHYS (128K). If so, does it mean we are not using full potential of
DMA? So
I believe that it is used to dynamic load filesystem modules. Please read
the following pages to understand what is a kernel module:
http://thc.inferno.tusculum.edu/files/thc/bsdkern.html
-Zhihui
On Tue, 30 May 2000, Yevmenkin, Maksim N, CSCIO wrote:
Hello All,
i've been looking at
If a fragment address refers to a fragment at a block boundary, then it is
also called a block address.
-Zhihui
hi all,
do disk addresses in struct dinode ( di_db[] array) address block
addresses or fragment addresses?? the comment in dinode.h says they are
block addresses. but fs.h
I think I may have found a bug in the directory lookup code in FreeBSD
4.0-Release, although it does not affect normal user. Please be patient
and read on. The test code I am using and its result as follows:
# cat test.c
#include stdio.h
#include errno.h
main()
{
int error;
On Sun, 7 May 2000, Matthew Dillon wrote:
:I have one question regarding the usage of NFS cookies. I read the
:following passage in the mailing list archive:
:
:
:
:The BSD code simpy re-reads all of the directory blocks until it
:hits the right offset again whenever it gets
I have one question regarding the usage of NFS cookies. I read the
following passage in the mailing list archive:
The BSD code simpy re-reads all of the directory blocks until it
hits the right offset again whenever it gets NFSERR_BAD_COOKIE. However,
suppose you have a directory of
Please support the Java on *BSD effort by voting for the RFE at:
http://developer.java.sun.com/developer/bugParade/bugs/4288745.html If you
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I have spent five minutes
I have looked over your steps. It seems that the steps are all correct. I
can suggest four things:
(1) Consider using "makeoptionsDEBUG=-g" in your configure file.
(2) If you are using FreeBSD 3.3-Release, the flag may be 0x50 instead of
0x80.
(3) Lower the baud rate if possible. However,
On Sun, 16 Apr 2000, Andrzej Bialecki wrote:
On Sat, 15 Apr 2000, Zhihui Zhang wrote:
I have two unrelated questions I can not figure out myself:
(2) I am trying to display kernel profiling sysctl variables with sysctl
-a or sysctl -A without success. They are defined
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