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, d
What is the file system that uses VT_TFS in vnode.h? Is it still available
on FreeBSD? Thanks.
-Zhihui
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
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 suspec
On Wed, 5 Sep 2001, Julian Elischer wrote:
> you can gdb -k mykernel /dev/mem
> and do
> list bqrelse+0x25
> (I think)
> alternatively,
> in ddb you can do:
>
>
> x/iii bqrelse
>
> and work out what is wrong by reading the machine instructions
>
>
> WHen I have one machine
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
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 b
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 pageo
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 pani
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
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 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 foll
efile 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/c
The rename routine is probably the most convoluted in the entire file
system code (FFS). Now that everybody's memory is fresh, I would like to
ask something about it:
(1) I am always wondering why not use a global rename lock so that there
is only one rename operation in progress at any time
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
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 h
i-bin/archive.pl?id=1&mid=221337&start=2001-10-15&end=2001-10-21
>
> (about how things done in Linux).
>
>
> Zhihui Zhang wrote:
>
> > (1) I am always wondering why not use a global rename lock so that there
> > is only one rename operation in progress
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
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 i
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 routine
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 0
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 Xavie
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 g
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 Unsubsc
I am writing a program that stresses memory a lot. The program accepts a
parameter to indicate how long it runs. For several big values, the
program runs OK. But when I give a even bigger one, the system panics at
generic_bcopy(). I am wondering whether this has something to do with bad
memory
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsub
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
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
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
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
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
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-
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? D
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of
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 c
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body
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
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
To Unsubscribe: send m
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 s
(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 demo
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 cau
I am doing some raw I/O test on a seagate SCSI disk running FreeBSD 4.5.
This situation is like this:
+-++++++++++---+--
| |||||||||| |
+-++++++++++---+--
Ea
ke sense 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.
&g
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:
> >
&g
ump these to a
> couple of GB 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.
>
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):
> >
> &g
a sysctl variable) 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:
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
>
On Tue, 5 Mar 2002, Brian T.Schellenberger wrote:
> On Tuesday 05 March 2002 06:32 pm, Zhihui Zhang wrote:
> > I apologize for all who have followed this. I made a typo in the original
> > email. What I observed is that writing LESS performs WORSE. Since all
> >
On Wed, 6 Mar 2002, Peter Edwards wrote:
> Zhihui Zhang wrote:
>
>
>
> > ... 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 poi
On Wed, 6 Mar 2002, Ian wrote:
> >
> > Zhihui Zhang wrote:
> >
> >
> >
> >> ... 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 part
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:
> > >
> > >
> > >
> &g
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
vm_page_linkage {
TAILQ_ENTRY(vm_page_linkage) pageq;
struct vm_page * page;
}
-Zhihui
On Thu, 7 Mar 2002, Alfred Perlstein wrote:
> * Zhihui Zhang <[EMAIL PROTECTED]> [020307 08:28] wrote:
> >
> > Is there any fundamental reason why a page can
oes 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 IMH
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the bod
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 apprec
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) {
br
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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
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
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
I tried to play binutils a little bit under FreeBSD 4.5-release:
# cd /usr/src/contrib/binutils
# ./configure
...
checking for ranlib... (cached) ranlib
checking for strip... (cached) strip
updating cache ../config.cache
loading cache ../config.cache within ltconfig
.: Can't open ./../l
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
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
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 cre
I remember there is a command in either gdb or ddb which enable you to
display the stack of a particular process. Can anyone tell me if there is
such a command and what the command is? Thanks!
-Zhihui
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body
Thanks. The backtrace often gives something like:
+ 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 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
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscrib
any help.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
oot.
Is there anything wrong here or FreeBSD simply does not handle this in a
more elegant way?
Thanks for any help.
------
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail
oes a memcpy_to_iovec in tcp_recvmsg().
I am confused by this unexpected timings. More than 80% of the time is
spent doing the memcpy.
---
Thanks for your help.
--
Zhihui Zhang. P
On Thu, 1 Jul 1999, David Greenman wrote:
> >A graduate student here implements a mmap() interface to a TCP/IP network
> >card. He notices that it takes much longer time to copy from mmapp()'ed
> >area to another user area than it takes to copy the same amount of data
> >from kernel space to us
this is tedious. This new version should not overwrite the older
verion of the file being run. My question is how FreeBSD prevents this
from happening? Can anyone point out for me where in the source code this
is handled?
Thanks a lot.
--
Zhihui Zhang
the end of vnode_pager_setsize(), we modify the size field. So at
least three items can be modified after creation. Am I right?
Thanks for any help.
------
Zhihui Zhang. Please visit http://www.freebsd.org
--
To U
Can someone outline the initialization process of PCI devices in
FreeBSD? I know many of the basic stuff of PCI introduced in the book
"PCI System Architecture". I just want to know how each driver is
registered into some linker set and its probe routine gets called. In
other words, I want to
I have been wondering this for some time. There are many kernel
submaps: exec_map, clean_map,
etc. But if you look the code in vm_map_find(), we have to call splvm()
for kmem_map and its
submap mb_map, but not for other kernel submaps. So is there anything
special with these two
kernel submap
I have tried to understand the following code in vm_map_lookup() without
much success:
if (fault_type & VM_PROT_OVERRIDE_WRITE)
prot = entry->max_protection;
else
prot = entry->protection;
if (entry->wired_count && (faul
On Wed, 21 Jul 1999, Matthew Dillon wrote:
>
> The VM_PROT_OVERRIDE_WRITE flag is only used for user-wired pages,
so
> it does not effect 'normal' page handling. Look carefully at the
> vm_fault() code (vm/vm_fault.c line 212), that lookup only occurs
> with VM_PROT_OVERRIDE_WR
ppreciated.
------
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
en the
configuration mechanism is regarded as correctly detected.
Any help is appreciated.
----------
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with
dumpon command. Thanks.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
On Fri, 13 Aug 1999, Andrzej Bialecki wrote:
> On Fri, 13 Aug 1999, Zhihui Zhang wrote:
>
> >
> > Can anyone tell me how to modify the config file to build a kernel that
> > creates dump image whenever it panics. Currently I have to use dumpon
> > command
e file /etc/rc so that
savecore will save core dumps under /usr/crash. The system is running
FreeBSD 3.2 - Release.
Any help is appreciated.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To
ot found.
(kgdb) where
No stack.
Thanks for any help.
------
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
ger exists.
You can't do that without a process to debug.
Is there something wrong? I did the same thing with the postmortem
coredump files and got similar messages. Maybe I am using gdb in a wrong
way.
Any help is appreciated.
------
Zhihui
On Fri, 20 Aug 1999, Greg Lehey wrote:
> You can't control the execution of the kernel, you can just look at
> the way things are. With the core dump, you at least have the
> advantage that things won't change while you look at them; you can't
> even do that with /dev/mem. The other alternativ
Hi, Rich:
Can you find a serial cable for me? I need to connect two PCs together
via RS232 ports.
Thanks.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail
1,
then we can only use /dev/vn0x. The x stands for one of those eight
partitions [a-h] in one slice.
(2) For /dev/vn0[a-h], which one from a-h should I use for which purpose?
Any help is appreciated.
------
Zhihui Zhang. Please visit http://www.f
In file uipc_usrreq.c, there are many routines beginning with unp_. For
example, unp_connect(), unp_bind(), etc. What does unp stand for?
Thanks.
--
Zhihui Zhang. Please visit http://www.freebsd.org
appreciated.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
uot; because I assume this is done by FreeBSD 4.0
automatically and the file debug.kernel is the one with symbols.
Any help is appreciated.
------
Zhihui Zhang. Please visit http://www.freebsd.org
--
On Mon, 30 Aug 1999, Zhihui Zhang wrote:
>
> After reading the handbook and some postings in the mailing list archive.
> I still can not make remote debugging work. I basically did the following
> on FreeBSD-current 4.0 (A is debugging machine, B is the target):
>
>
>
> On Mon, 30 Aug 1999, Zhihui Zhang wrote:
>
> > (3) On machine A, go to the compile directory:
> >
> > #gdb -g kernel.debug
>
> -g?
>
This is a typo. It should be "gdb -k kernel.debug". I have just posted
another message pointing out my
On Mon, 6 Sep 1999, Alex Povolotsky wrote:
> Hello!
>
> The following program
>
> #include
> #include
>
> main() {
> int control;
> if ((control = open("STATUS",O_WRONLY|O_NONBLOCK))<0) {
> perror("Could not open STATUS ");
> exit(1);
> }
>
.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
On Wed, 8 Sep 1999, Luoqi Chen wrote:
> > The flag MNT_RELOAD is not documented in mount manpages. From the source
> > code, I find that it is always used along with MNT_UPDATE which can be
> > speficied by user (-u option). Can anyone explain the usage of MNT_RELOAD
> > for me? It seems not
f test2.c if I step that routine. Why it does not
work with fork()? Am I missing something?
Thanks for any help.
------
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send m
ess so that it can wait until I can attach to it.
That will not be as easy.
-Zhihui
>
>
>
> On Wed, 8 Sep 1999, Zhihui Zhang wrote:
>
> >
> > I am using gdb 4.18 on FreeBSD-current. The program being debugged
> > consists of two small files: test1.c an
Can anyone tell me how to let a daemon process print a message to the
console? Adding printf() does not work (I wonder if a daemon process
has been cut of relationship with stdout). Thanks for any help.
--
Zhihui Zhang. Please visit http
On Mon, 13 Sep 1999, Brian Mitchell (ISSATL) wrote:
> syslog() with the proper facility is probably the best way to do this.
> Another possibility is opening /dev/console, but I think that will aquire
> a controlling terminal.
>
> On Mon, 13 Sep 1999, Zhihui Zhang wrote:
>
&
I am wondering where the NFS authentication is done in FreeBSD. Is it done
by the NFS daemon mountd (or other daemon) or within the kernel? Can
anyone give me a pointer? Thanks a lot.
--
Zhihui Zhang. Please visit http://www.freebsd.org
.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
-o port=xxx host:directory directory
and the -o port=xxx part will be passed onto the mount_nfs. Is this
right?
Thanks for any help.
--
Zhihui Zhang. Please visit http://www.freebsd.org
--
To
101 - 200 of 281 matches
Mail list logo
