Re: make -jN world; how to determine optimal value of N?

1999-11-12 Thread Assar Westerlund
Ben Rosengart <[EMAIL PROTECTED]> writes: > On 12 Nov 1999, Assar Westerlund wrote: > > > Other than that, I think the > > `make -j4' suggested for a single CPU in the handbook is a fairly good > > approximation. > > On what basis? Simple experiments on various machines. YMMV, but I think that

Re: Proposal for the kill-list (userland nfs)

1999-11-12 Thread David O'Brien
On Tue, Oct 05, 1999 at 03:49:31PM -0700, Alec Wolman wrote: > > Digital Unix, aka Compaq Tru64 Unix, formerly know as DEC OSF/1 > > supports this syntax. In fact, this is the only syntax it supports, > > IIRC, so FreeBSD is not the only OS to use it. Ultrix was the one that only suported this s

Re: Which egcs port should I use?

1999-11-12 Thread David O'Brien
On Sat, Nov 13, 1999 at 03:06:26AM +0100, Bjoern Fischer wrote: > Which egcs would you recommend, if I want to minimize the hassle to > switch from that egcs to the FreeBSD4.x native egcs? /usr/ports/lang/egcs. It is the one that is released code. ``gcc-devel'' is equivent to our -CURRENT and ca

Which egcs port should I use?

1999-11-12 Thread Bjoern Fischer
Hello, as it seems that egcs will be *the* C-compiler in FreeBSD4.x I would like to use it in -STABLE, too. There are at least two ports for egcs: lang/egcs and lang/gcc-devel. I want to use a version that is likely to be used in the first release of 4.x, or---at least---the version that is most

Re: make -jN world; how to determine optimal value of N?

1999-11-12 Thread Ben Rosengart
On Fri, 12 Nov 1999, Warner Losh wrote: > Generally on FreeBSD machines that are otherwise unused and flush with > memory, the formula I've seen for n is 4 * #CPU. Thank you -- I didn't need a precise answer, just a good heuristic. This will do nicely. -- Ben Rosengart UNIX Systems Engineer,

Re: Severe problems with softupdates.

1999-11-12 Thread Brian Somers
[.] > I believe that Brian has also had the same problems (at FreeBSDCon). > > Can people put their hands up if they believe that they've experienced this > so that we can determine whether there's a deeper softupdates problem that > we're ignoring on faith? I have to admit that I had a rath

Re: Determining (after the fact) if a routine was compiled as PIC?

1999-11-12 Thread Warner Losh
In message <[EMAIL PROTECTED]> Nate Williams writes: : Is there a way to look at a compiled file to see if it was compiled as : PIC? I've got some .o files that I don't have source code to, but : before I throw them into a shlib, I need to know if they are legal to : put into one? You can likely

Re: make -jN world; how to determine optimal value of N?

1999-11-12 Thread Warner Losh
In message <[EMAIL PROTECTED]> Ben Rosengart writes: : On what basis? I usually use larger values, like 12, on the theory that : I have more than enough memory, and if there's free CPU, there should : always be a process available to use it. People have measured things and found that the knee i

Re: make -jN world; how to determine optimal value of N?

1999-11-12 Thread Warner Losh
In message <[EMAIL PROTECTED]> Ben Rosengart writes: : D'oh -- I *meant* to add "besides trying different values and measuring" : -- if I had that much time on my hands, I wouldn't be worrying about how : long a make world takes. :-) Generally on FreeBSD machines that are otherwise unused and f

Re: Should jail treat ip-number?

1999-11-12 Thread Warner Losh
In message <[EMAIL PROTECTED]> Ollivier Robert writes: : NAT breaks too many things (like IPsec, incoming connections and many : protocols) to be anything else than an abomination in my eyes. It breaks any protocol that encodes an IP address and/or a port into the data stream. Without datastream

Re: Severe problems with softupdates.

1999-11-12 Thread Bernd Walter
On Thu, Nov 11, 1999 at 08:11:49PM +, Josef Karthauser wrote: > > Kirk mentioned that he was confident that softupdates was 'safe', but I've > had files (from a previous crash - recovered from) in lost+found that I > didn't touch, and no-way should have become disconnected from the file > sys

Re: Severe problems with softupdates.

1999-11-12 Thread Darryl Okahata
Josef Karthauser <[EMAIL PROTECTED]> wrote: > I'm still trying to recover my laptop from a really severe filesystem > crash using softupdates. The machine hung due to a problem with > power managment so it needed a reboot. Now fsck won't clean up without Out of curiousity, did you get thi

Re: Serious locking problem over NFS

1999-11-12 Thread Matthew Dillon
: :Yup, byte range locking fcntl APIs are present but over NFS they don't work. : :So shouldn't one be able to get entire-file locking with the old-fashioned: : : open("foo.lockfile", O_CREAT | O_EXCL, 0644) : :You would think so, but my experience is that reliably protects critical :sections onl

Determining (after the fact) if a routine was compiled as PIC?

1999-11-12 Thread Nate Williams
Is there a way to look at a compiled file to see if it was compiled as PIC? I've got some .o files that I don't have source code to, but before I throw them into a shlib, I need to know if they are legal to put into one? Thanks! Nate To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsub

Re: New command for cdcontrol(1)

1999-11-12 Thread Josef Karthauser
On Wed, Oct 06, 1999 at 03:39:41PM +0300, Sergey Shkonda wrote: > On Wed, 6 Oct 1999 13:05:08 +0100, Josef Karthauser wrote: > > On Wed, Oct 06, 1999 at 01:02:14PM +0300, Sergey Shkonda wrote: > > > I'm using this patch for cdcontrol(1): > > > > > > cdidPrint the xmcd's CD id. > > > > Is t

"bsd emulation" (controle of cgi execution)

1999-11-12 Thread Didier Derny
hi, I would like to controle the execution of the cgi on my machine (specially the path used by the scripts) each client as a unique group id / user id. the binarie I want to control are either some standard FreeBSD in a chrooted enviromnent or the cgi scripts launched by suexec (largely customi

Re: make -jN world; how to determine optimal value of N?

1999-11-12 Thread Robert Watson
On Thu, 11 Nov 1999, Ben Rosengart wrote: > On Thu, 11 Nov 1999, Kip Macy wrote: > > > That is the same specious logic that is used for Linux's "threads" you > > have diminishing marginal returns as the number gets larger due to context > > switching overhead. > > Diminishing *marginal* returns

Re: make -jN world; how to determine optimal value of N?

1999-11-12 Thread Ben Rosengart
On Thu, 11 Nov 1999, Robert Watson wrote: > Well, presumably at some point your memory working set exceeds your CPU > cache, and that begins to hurt. And then at some point your working > memory pages exceed the available space, and you begin to page. I've been working with systems with 512 MB

Re: Severe problems with softupdates.

1999-11-12 Thread Josef Karthauser
On Thu, Nov 11, 1999 at 10:14:12PM -0500, Greg Lehey wrote: > > > Also if anyone knows how to recover from it I'd be very grateful to know. > > My /usr partition is uncleanable (although I can 'mount -f' it!! nasty!!). > > Hmm. I suppose the answer is still "one error at a time". There are > p

Re: Severe problems with softupdates.

1999-11-12 Thread David Scheidt
On Thu, 11 Nov 1999, Greg Lehey wrote: > > Hmm. I've had something similar recently, also running -CURRENT. I > still need to clean out the lost+found directory, but many of the > files hadn't been touched for months. I think that the problem was I had a crash like this on 3.1 -STABLE box.

Re: Severe problems with softupdates.

1999-11-12 Thread Greg Lehey
On Thursday, 11 November 1999 at 20:11:49 +, Josef Karthauser wrote: > Hi guys, > > I'm still trying to recover my laptop from a really severe filesystem > crash using softupdates. The machine hung due to a problem with > power managment so it needed a reboot. Now fsck won't clean up without

Re: mode_perl DSO works on STABLE, not CURRENT

1999-11-12 Thread Sheldon Hearn
On Thu, 11 Nov 1999 00:45:52 +0100, Ollivier Robert wrote: > Your Perl binary is compiled without '-Wl,-E' (or > '-Wl,--export-dynamic'). Without this option the Perl binary doesn't > expoert its symbols thus preventing any dynamically loaded module to > use anything from the binary. > > The o

Re: ARM support

1999-11-12 Thread Mike Smith
> > If you're interested in sharing your work, I have a DNA ('shark') here > > that was loaned to the Project for just this purpose. I'd be really > > interested to see your cross-build bits integrated into our tree ASAP. > > I'd really like this to happens too but right now I think that would b

Missing symbols in LIBC ???

1999-11-12 Thread Nils M Holm
Hello! I am currently porting my compiler to the release 3.3. My RT lib depends on /usr/lib/libc.a. When attempting to link a program, I get messages about unresolved externals (it DOES work on release 2.x). I have seen that the C compiler no longer generates underscores on symbols by default a

Re: One bit error on BUS?

1999-11-12 Thread Mike Smith
> What could the possible explanation be in the following scenario: There are dozens of possible explanations. > We have: > > arbitrary chip <---localbus---> pci controller <===pcibus===> > BX Motherboard <--> RAM > > And somewhere in the transfer of blocks of data between the chip (on the

Re: mbuf wait code (revisited) -- review?

1999-11-12 Thread Julian Elischer
It looks pretty thorough but needs more examination that I have given it yet. On Fri, 12 Nov 1999, Bosko Milekic wrote: > > Hi, > > Attached are some diffs that provide a couple of wait routines in the > out-of-mbuf and/or out-of-mbuf-cluster case(s). The attached diffs are for -STABLE >