se processes when it locked
up...
(see "repeated deadlocks in FS ..." on the smp list for more info about the
problem)...
thanks alot,
greg
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iscusses
scheduling processes to not thrash the cpu caches? Or if there's anything in
place, how I can take advantage of it, etc. I got stumped on the idea a while
ago, so I'm really curious...
thanks,
Greg
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se processes when it locked
up...
(see "repeated deadlocks in FS ..." on the smp list for more info about the problem)...
thanks alot,
greg
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iscusses
scheduling processes to not thrash the cpu caches? Or if there's anything in
place, how I can take advantage of it, etc. I got stumped on the idea a while
ago, so I'm really curious...
thanks,
Greg
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Think of ten years down the line.
> >>>
> >>
> >> Best part would be to find every port that doesnt need a statically
> >> allocated UID/GID and just dynamically allocate them after a certain
> >> range '3-5' or whatever for ~20,000 ports
The pthread mutex contention profiling and lock order verification
entry on the ideas list caught my eye.
I'm looking for a potential mentor, and any ideas or suggestions about
what's desired in such a tool. The ideas page lists jeff@ as a
contact, but I've not gotten a response as yet, so does an
endmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"
That will cover all bases, in case some other tool depends on the
value of sendmail_enable.
Hope that helps,
Greg
- --
Greg Larkin
http://www.FreeBSD.org/ - The Power To Serve
http://www.
On 4/1/13, Dag-Erling Smørgrav wrote:
> You're assuming that maintaining i386 as a tier 1 platform really *does*
> add significantly to our workload.
Indeed. We don't seem to be running into a ton of issues on this
front, and I do still find my 32-bit only Atom-based netbook useful
when traveling
gt;
> David Lee from Tennessee
Hi David,
You can build a single application like so:
cd /usr/src/bin/csh && make install
Just replace "bin/csh" with the tool you are interested in building,
and you should be all set.
Regards,
Greg
- --
Greg Larkin
http://www.FreeBSD.org/
rienced at kernel configuration either.
Does anyone have an idea how to troubleshoot this problem? Thank you
for any help!
Regards,
Greg Larkin
machine i386
cpu I486_CPU
ident VMWAREC3
makeoptions DEBUG=-g# Build kernel with gdb(1)
debug symbols
o
>
> Hi,
>
> On 2/23/07, Greg Larkin <[EMAIL PROTECTED]> wrote:
> > Hi everyone,
> >
> > I'm creating a standard FreeBSD 6.2 ISO image that I can use to
> > perform unattended installations into VMware Server virtual
> machines.
> >
>
>
> On 02/24/07 05:44, ghozzy wrote:
> > Hi,
> >
> > On 2/23/07, Greg Larkin <[EMAIL PROTECTED]> wrote:
> >> Hi everyone,
> >>
> >> I'm creating a standard FreeBSD 6.2 ISO image that I can use to
> >> perform unatt
FreeBSD as a guest OS under VMware. Follow the thread a
little way, and you'll see an example kernel config file, too.
Best of luck,
Greg Larkin
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I had a Linux shared library problem on NetBSD that I think it might be
helpful to mention.
thunderbird (and firefox) set LD_LIBRARY_PATH to pick up their own
modules. When acroread is invoked to display a pdf attachment,
LD_LIBRARY_PATH is still set, and this causes acroread to read a BSD
librar
bcommand builds directories the way cvs
checkout does. Without it, update will only operate on directories that are
already in your sandbox.
Regards,
Greg Larkin
SourceHosting.net, LLC
http://www.sourcehosting.net/
___
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ople not to step into the wilderness of
undefined behaviour.
> There is no valid argument for doing segfault instead of above behavior.
If you can find an alternative that is not actually wrong, then by all
means share it. To me, it seems like a good choice. Clearly, I
n this subject is of the
same nature as the advice to use loudspeaker cables with at least
20mm**2 cross section, preferably driven by tube-based amplifiers.
Greg
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On Saturday, 17 July 1999 at 22:51:17 +0400, Alex Povolotsky wrote:
> Hello!
>
> Is it possible to have a root partition on vinum'ed disk and benefit from
> mirroring? If yes, how do I do it?
Not yet. It's on the drawing board.
Greg
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On Saturday, 17 July 1999 at 15:07:12 -0500, Craig Johnston wrote:
> Well, I'm looking into doing striping and mirroring on a new webserver
> I am bringing up (3.2-stable) and I have to say, vinum looks very cool.
> It took me like half an hour to get it going from first contact.
>
AFAIK, the minimum memory for installation is still 5 MB, and the
problems people had with 8MB machines failing to install was a bug,
right? What's the current status?
Greg
- Forwarded message from Thierry Herbelot
-
> Delivered-To: freebsd-questi...@freebsd.org
> Date:
I've just recently switched from using the tcpwrappers port to the
native tcpwrappers implemention
the following config entries worked on the port but are not working with
the native
teln...@xxx.yyy.84.2 ftpd rlog...@xxx.yyy.84.2 r...@xxx.yyy.84.2
nta...@xxx.yyy.84.2 :\
KNOWN :\
and wakeup from the lower half when you get an
interrupt. It's difficult to give an example from the code you show.
Greg
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For more information, see http://www.lemis.com/questions.html
See complete headers for address, h
ing how an
> executable with '--x--x--x' perms works by ktrace'ing its execution.
>
> My question to the -hackers is: is this a useful semantic?
Yes, I think so.
> Would it break anything if added?
Not that I can think of. But that doesn't mean anything.
Greg
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vinum start
mount /etc
elif [ -n "$vinum_drives" ]; then
vinum read $vinum_drives
mount /etc
fi
Greg
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n path order? unique numbers required?
>
> Which method is generally best, and why?
> Are any of these methods really naughty?
Interesting question. I don't have any personal preferences, though I
put my stuff in /etc/crontab or my private crontab out of habit. But
this is probably m
ts, so I'm not too worried about the FS
> block size. What have people observed with trying larger FS block
> sizes?
I don't know if anybody has tried larger FS blocks than 8 kB. I once
created a file system with 256 kB blocks (just to see if it could be
done). I also tried 512 kB
kB transfer in about 300
µs. The average rotational latency of a disk running at 10,800 rpm is
2.8 ms, and even with spindle synchronization there's no way to avoid
rotational latency under these circumstances.
> Spindle Sycronisation won't bring you that much on modern HDDs - I
On Tuesday, 3 August 1999 at 23:20:45 +0200, Bernd Walter wrote:
> On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote:
>> On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote:
>>
>>> For UFS/FFS there is nothing worth seting the stripesize to low.
>&
valid any more.
>
> Try my home page:
>
> http://www.employees.org/~amcrae
>
> The link is: http://www.employees.org/~amcrae/papers/final_usenix.pdf
Greg
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l is
already running when you attach to it, so you don't say 'run', you say
'c[ontinue]'.
Greg
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e an
additional fcntl function which performs mandatory locking?
I think that it's probably a good idea to implement (3), and also to
do (2), possibly subject to a sysctl knob.
Greg
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To Un
a fcntl call that causes other
> programs to return an error or block if they try to open that
> file while the first program holds an open descriptor?
Correct. I suppose it's worth discussing what the default should be.
Should they get EAGAIN or block? Obviously you'd want a
ot apply to processes with appropriate privilege.
That's a strange thing to say. Should we do away with locks in the
kernel too?
Greg
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as simple as a wrapper around whatever program your users are
> running that is causing whatever the problem is.
I'm accessing a file that any program might want to open. Redesigning
everything isn't an option.
On Monday, 23 August 1999 at 7:29:32 +0200, Poul-Henning Kamp wrote:
&
On Monday, 23 August 1999 at 8:47:34 +0200, Poul-Henning Kamp wrote:
> In message <19990823152849.h83...@freebie.lemis.com>, Greg Lehey writes:
>
>>> Why should it be made unavailable ?
>>
>> So that certain multiple accesses can be done atomically.
>
>
On Monday, 23 August 1999 at 9:47:40 +0200, Poul-Henning Kamp wrote:
> In message <19990823162813.i83...@freebie.lemis.com>, Greg Lehey writes:
>
>>>>> Why should it be made unavailable ?
>>>>
>>>> So that certain multiple accesses can be
On Monday, 23 August 1999 at 15:28:01 -0400, Garance A Drosihn wrote:
> At 3:28 PM +0930 8/23/99, Greg Lehey wrote:
>> I'm a little surprised that there's any objection to the concept
>> of mandatory locking. In transaction processing, locking is not
>> optional
k file
read completes
In fact, fcntl locking is range locking, not file locking, so as long
as the two users don't want to access the same part of the file.
> That seems extremely dangerous, given all the time that such a thing
> hasn't been around.
On Monday, 23 August 1999 at 23:34:34 -0400, Christopher Masto wrote:
> On Tue, Aug 24, 1999 at 12:52:10PM +0930, Greg Lehey wrote:
>> No, I think you're confusing opening and locking. It's something like
>> this:
>>
>> User 1
t;> releases the lock;
>
> Exactly. You said that mandatory locking means that user A's correct
> use of locking means that user B doesn't have to be careful. That's
> not the case, since A can step in between B's read and write.
B doesn't have to be careful a
ly end up with a broken mailbox.
>>
>> what you do is this:
>> lockf -k $mailfile cat ${mailtmp} >> $mailfile
>
> Which doesn't support Greg's arguments for mandatory locking, as
> you're now doing locking in both programs.
Well, it doesn't supp
On Tuesday, 24 August 1999 at 10:59:34 +1000, Andrew Reilly wrote:
> Hi Greg, hackers list,
>
> I don't want to express an opinion about the need or otherwise
> for mandatory locking, but I would appreciate a teensy
> clarification of the problem domain:
>
> On Mon,
On Wednesday, 25 August 1999 at 1:52:38 +, Terry Lambert wrote:
>>> I don't want to express an opinion about the need or otherwise
>>> for mandatory locking, but I would appreciate a teensy
>>> clarification of the problem domain:
>>>
>>> On
bout mandatory locking. Yes, you're right,
FreeBSD has no merit, so why bother even reading the mailing lists?
Greg
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#x27;s LOCKREC function.
> All the files need not have this option. there must be a way to
> specify that "this file needs mandatory locking" to the kernel.
That's a point for discussion.
> I don't know what all changes are needed in the kernel.. but I'm
> th
On Tuesday, 24 August 1999 at 22:28:10 -0700, Sean Eric Fagan wrote:
> In article <19990825113518.d83273.kithrup.freebsd.cvs-...@freebie.lemis.com>
> you write:
>> Correct. I lock a stripe at a time.
>
> What people need to realize is that Greg is doing this locking in us
me of the opinions that have been
voiced in this thread. Of course, that's all they are, and they show
the origins of their owners.
Any system with multiple concurrent accesses requires locking. Only
UNIX uses advisory locking. It almost does the job, so nobody has
tried to fix things. But th
a file - how do you know if the process holding the file is killed
> if it's remote?
NSK is a prorietary operating system ("NonStop Kernel", previously
known as Guardian, previously known as TOS), not UNIX. There is no
NFS, and there is no distinction between network access and l
On Wednesday, 25 August 1999 at 19:53:22 -0400, Christian Kuhtz wrote:
> On Thu, Aug 26, 1999 at 09:09:33AM +0930, Greg Lehey wrote:
>> On Wednesday, 25 August 1999 at 6:05:11 -0400, Thomas David Rivers wrote:
>>>> All the files under Tandem's NSK has mandatory l
FS code,
> and written up patches to support Jordan's class project of making
> the NFS server locking work), but it should be a healthy start
> down the right road, I think.
>
> Might even fix a couple of NFS bugs as a side benefit...
>
> Anyway, Sean's also right abo
formation */
#defineF_SETLKW9 /* F_SETLK; wait if blocked */
We could add a F_SETMANDLOCK or some such.
Any thoughts?
Greg
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So I'm looking at a cheap (hardware
> and software) way of getting data in and out of a PC with IP support and
> such. It just makes sense in my POV to use a NIC. It's capable of 10
> Mbps and has most of the circuitry for preparing data for transmission
> on it. If you will, it
plex to another?
You've missed another message of mine, where I said that this issue
has no relevance to Vinum.
> 2. I'll bet there are some standards, at least in development. Have you
> done a few searches?
Sure. The important one was in the attachment: System V has a
standard
please followup only in hackers.
I've Just cvsuped freebsd RELENG_3 as of this evening (~21:00 mdt)
and using a rom built with etherboot 4.1b9 which has worked flawlessly for
the last couple of months. Tonight I getting
Searching for server...
My IP xxx.yyy.zzz.www Server IP aaa.bbb.ccc.dd
that need to use elevated securelevels.
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On Monday, 13 September 1999 at 20:00:02 +, greg wrote:
> Hi, I want to see where some a deadlock is occurring in the kernel. I've got
> a dump with a bunch of processes in the inode or namecache state.
>
> Can anybody give me a hint about how to find a proc's "kern
t;> do so, but it works with assembly.
>
> kadb also works with assembly. That being said, I much prefer ddb to
> kadb, and of course remote gdb is *much* nicer.
[catching up]
The nice thing about kadb is that it has a usable macro languge.
Greg
--
See complete headers for address, hom
've just had the situation. So:
I believe that panicing the system is also a security problem. But
sometimes people have hangs and just want to get a dump. Installing
DDB is overkill for this situation; how about a key attribute that
panics the system? It would probably make sense to have a
tinue to do what you do... or
>
> Yes you can use SVN ports/devel/subversion-freebsd
Or you can use cvsup (it doesn't segfault on that file).
--
Greg Lewis Email : gle...@eyesbeyond.com
Eyes Beyond
On Mon, Sep 27, 2010 at 12:13:14AM -0400, Aryeh Friedman wrote:
> Isn't that a step backwards?
Segfaulting seems like a bigger step backwards to me ;)
> On Sun, Sep 26, 2010 at 11:55 PM, Greg Lewis wrote:
> > On Sun, Sep 26, 2010 at 11:34:34PM -0400, jhell wrote:
> >>
On 2008-07-03, Rob Lytle wrote:
> > You can get rid of the nag screens by putting "BATCH=yes" into
> > /etc/make.conf. (Not that this negates your other points.)
>
> What the hell does "yes" mean? That all option boxes are checked, or none
> at all? I have never seen this explained anywhere.
this
question: Does this mean that Amazon EC2 will be able to boot FreeBSD
instances?
Thank you,
Greg
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could set up DenyHosts and contribute to the pool of IPs that are
attempting SSH logins on the Net:
http://denyhosts.sourceforge.net/faq.html#4_0
It also looks like there's been quite a spike of SSH login activity
recently: http://stats.denyhosts.net/stats.html
Hope that helps,
Greg
- --
Greg
installed first, so I would change your script like so:
cd $port
make clean
make deinstall
make depends# just to be safe
make install
make package-recursive
On the other hand, this is similar to what Tinderbox
(http://tinderbox.marcuscom.com/README.html), so perhaps that would be a
solution
log file and
# returns to the original shell
dos2unix /tmp/build.log # Gets rid of ^M chars
Then post /tmp/build.log somewhere for me to review.
Thank you,
Greg
- --
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http://www.FreeBSD.org/ - The Power To Serve
http://www.sourcehosting.net/ -
Have you tried just setting PORTSDIR and letting bsd.port.mk set the
rest of the paths with their defaults that are relative to PORTSDIR? If
that works, then we can start hunting for places that are not handling
absolute vs. relative paths correctly in bsd.port.mk.
Hope that helps,
Greg
- --
Gre
to 3.{1,2} help?
It doesn't seem to be a FreeBSD issue.
> It is a Pentium 166. During the "iozone" test, there seems to be
> only a few (less than 10) interrupts from the DPT card per second
> ("systat -vm 1"). Am I losing interrupts (it would seem so)... ?
I t
you analysed the reasons for this discrepancy? If you can't get
rid of the problem, it's not exactly an advertisement for DPT.
Greg
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for hackers and devel :
>Sorry please for my message. I posted it into the question mailing list
>but haven't got any help.
-hackers is the correct list for this sort of question.
Greg
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Even though its for linux, and linux is really a different animal,
has anyone who is interested in realtime stuff looked at
http://www.rtlinux.org
they have a whack of patches against 2.0.36 and 2.2.1.
--
Email: ska...@worldgate.com Voice: +780 413 1910Fax: +780 421 4929
H^H^H^H^HCompaq use this for their NonStop
Ethernet. The machine has two ethernet boards. If one goes down, the
other assumes its identity.
It seems there's a need, and the possibility. Would somebody like to
suggest a syntax?
Greg
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On Friday, 14 May 1999 at 21:15:33 -0500, Dan Nelson wrote:
> In the last episode (May 14), David Scheidt said:
>> On Sat, 15 May 1999, Greg Lehey wrote:
>> :It seems there's a need, and the possibility. Would somebody like
>> :to suggest a syntax?
>>
>> ifco
On Friday, 14 May 1999 at 21:41:23 -0500, David Scheidt wrote:
> On Sat, 15 May 1999, Greg Lehey wrote:
>
> :On Friday, 14 May 1999 at 21:15:33 -0500, Dan Nelson wrote:
> :>
> :> And the next step would be to make the kernel realize that two cards
> :> ifconfig'
On Friday, 14 May 1999 at 21:54:02 -0500, David Scheidt wrote:
> On Sat, 15 May 1999, Greg Lehey wrote:
>
> :
> :If you have two different nets, why do you need the same Ethernet
> :address?
> :
>
> Transparent redundancy. With them both up on the same MAC address, if
hat, you're limited to ddb or
serial gdb. There's some stuff in the online handbook about how to
set up serial gdb, and in LINT about how to set up ddb. Note that the
flags for the serial device have changed in *some* versions of
FreeBSD, so check your LINT file for the correct flags.
G
a 0x80, which you need to set (along with 0x10,
it appears) to run remote debugging. I'm guessing a bit at this,
since I haven't had time to look at the code, but 0x90 works for me.
Doug?
Greg
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On Tuesday, 18 May 1999 at 9:17:03 +0200, Sheldon Hearn wrote:
>
> On Tue, 18 May 1999 16:34:55 +0930, Greg Lehey wrote:
>> In fact, there's also a 0x80, which you need to set (along with 0x10,
>> it appears) to run remote debugging. I'm guessing a bit at this,
&g
I'm using /usr/ports/net/etherboot, to boot diskless workstations.
Everything is working quite well.
Now some of the stations need sound, and there are an abundancy of pnp
soundcards that workfine, but with the network boot I'm immediately in the
kernel, no cli to config the PNP.
Now if I inc
this has got it THANKS
Quoting Eivind Eklund (eiv...@freebsd.org)
On Subject: Re: PNP Soundcards w/ diskless booting.
Date: Fri, May 21, 1999 at 01:35:08AM +0200
> On Thu, May 20, 1999 at 01:21:10PM -0600, Greg Skafte wrote:
> > I'm using /usr/ports/net/etherboot, to
ailing lists for the duration.
For those who are expecting to see me at USENIX: yes, I'll be there
:-)
Greg
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title that is not available locally,
there is always amazon.com which works pretty well for me.
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fixing any possible problems there.
As for Dennis, he's just not worth responding to. He has a bad
reputation as a total waste of space with an attitude problem as
big as Texas. Just ignore him.
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I'm running several osicom 2340 quad ethernet cards under RELENG_2_2 with
few issues (quad digital 21140).
I've setup a testbox 1 hd has RELENG_2_2 a second disk has RELENG_3
(cvsuped yesterday).
Under RELENG_3 the nic pauses underload, regardless of which port is being
used.
Gated is runni
are these all dec 21x4x cards or not
Quoting Doug Ambrisko (ambri...@whistle.com)
On Subject: Re: DE driver in RELENG_3 vs RELENG_2_2
Date: Wed, Jun 02, 1999 at 04:39:45PM -0700
> Greg Skafte writes:
> | I'm running several osicom 2340 quad ethernet cards under RELENG_2_2 w
ildren for
all their needs. And it never crashes and nor do any of the
applications they use. This is a pretty good arrangement.
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y speaking, it's a good idea to make sure that test code
is at least decent before starting to puzzle over what it does.
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o
at least make it correct so that other people don't have to
waste their time on irrelevant issues. Of course, if it is the
broken test code that provokes a panic, that should be stated up
front as part of the test case.
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al. Some (but unfortunately not all) kernel functions and
structures are described in section 9 of the manual. Look at intro(9)
for a start. There's also a tutorial at
http://www.freebsd.org/tutorials/ddwg/ddwg.html. But you'll find that
you'll have to read a lot of other dr
2 such units performance drops to 2.5 Meg/sec. This seems like a
>> drastic drop in performance. Any ideas what I am doin incorrectly?
>
> Try to place those drives on two different SCSI controllers.
That wouldn't be the problem with a concatenated plex.
Greg
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he
raw disk. How are you measuring performance? I'd recommend rawio
(ftp://ftp.lemis.com/pub/rawio.tar.gz).
Greg
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of 2 such units performance drops to 2.5 Meg/sec. This seems like a
>> drastic drop in performance. Any ideas what I am doin incorrectly?
>
> Try changing stripe size. How big is it right now?
This was a concatenated plex.
Greg
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ce
>> of 2 such units performance drops to 2.5 Meg/sec. This seems like a
>> drastic drop in performance. Any ideas what I am doin incorrectly?
>
> You've accidentally striped subdisks on the same drive? ;--)
>
> Like Greg Lehey said, you haven't really prov
On Thursday, 17 June 1999 at 22:36:49 +0300, Narvi wrote:
>
> On Thu, 17 Jun 1999, Greg Lehey wrote:
>
>> On Thursday, 17 June 1999 at 11:10:08 +0300, Narvi wrote:
>>>
>>> On Thu, 17 Jun 1999, David E. Cross wrote:
>>>
>>>> I have a drive that
On Thursday, 17 June 1999 at 15:50:10 +0300, Ville-Pertti Keinonen wrote:
>
> g...@lemis.com (Greg Lehey) writes:
>
>>> You've accidentally striped subdisks on the same drive? ;--)
>>>
>>> Like Greg Lehey said, you haven't really provided enough de
p, -parenb). I
don't know what else to look for. Any ideas?
Greg
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tem, and I had to use the fixit floppy to rewrite the partition
table. Nothing got lost, but it was a real pain.
Greg
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On Friday, 18 June 1999 at 1:14:20 -0700, Darryl Okahata wrote:
> Greg Lehey wrote:
>
>> On Thursday, 17 June 1999 at 3:43:10 -0400, David E. Cross wrote:
>>> I have a drive that is rated at ~16 Meg/
gt;> system, and I had to use the fixit floppy to rewrite the partition
>> table. Nothing got lost, but it was a real pain.
>
> hit a similar problem the other day, i think i managed to fix it
> withouth the floppy by mounting again the root partition on /mnt
> and there acting appr
On Friday, 18 June 1999 at 18:44:50 +0930, Mark Newton wrote:
> Greg Lehey wrote:
>
>> Those of you who were at Usenix may have picked up a free copy of a
>> UnixWare 7 CD-ROM from SCO. If so, be careful when installing it.
>
> SCO has been a real pain in the bum about
On Friday, 18 June 1999 at 11:29:53 +0200, Soren Schmidt wrote:
> It seems Greg Lehey wrote:
>> FreeBSD, which has the partition number explicitly in the device name.
>> In my case, FreeBSD was on partition 2, devices /dev/rwd0s2a and
>> /dev/rwd0s2e. It was moved to parti
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