Re: prospects for DMA support for SiS962(L) Southbridge?

[Soren Schmidt]

It seems Rich Morin wrote:
> With FreeBSD 4.9 on the horizon, I thought I might bring this up again...
> 

There is no time for this on 4.9 (at least if it should be done properly.
5.1 has support for all SiS chipsets...

> At 10:01 AM -0700 6/17/03, Rich Morin wrote:
> >I recently upgraded my motherboard and CPU, as:
> >
> >   478 pin Celeron; 2.1 GHz
> >   512 MB DDR DIMM (2 ea.)
> >   SiS962(L) Southbridge
> >
> >I then found that I couldn't boot the (FreeBSD 4.7) system, getting:
> >
> >   ad0: READ command timeout tag=0 serv=0 resetting
> >   ata0: resetting devices
> >
> >After a bunch of Googling and some discussions on freebsd-questions,
> >I decided to change line 90 of /usr/src/sys/dev/ataata-disk.c to:
> >
> > static int ata_dma = 0;
> >
> >This works, but I suspect that it is slowing down my disk I/O quite a
> >bit.  So, I would like to know the prospects for this controller being
> >supported in FreeBSD any time soon.
> -- 
> email: [EMAIL PROTECTED]; phone: +1 650-873-7841
> http://www.cfcl.com- Canta Forda Computer Laboratory
> http://www.cfcl.com/Meta   - The FreeBSD Browser, Meta Project, etc.
> http://www.ptf.com/dossier - Prime Time Freeware's DOSSIER series
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-Søren
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Re: FreeBSD DevSummit Pics Available

[John-Mark Gurney]

M. Warner Losh wrote this message on Mon, Sep 15, 2003 at 00:33 -0600:
> In message: <[EMAIL PROTECTED]>
> Matthew Dillon <[EMAIL PROTECTED]> writes:
> :FreeBSD DevSummit pics are available at:
> : 
> :http://apollo.backplane.com/BSDCON2003/
> : 
> :The links at the bottom.  About 31 people are attending.
> 
> They were saying that *1*31 people were attending, but that was on the

It was about 131 people attending BSDcon.  The first day of the
devsummit there was about 31.

> first day.  I saw maybe 15 additional walk up people that weren't on
> the attendee list, but don't know what the final attendance figures
> were.  This year's BSDcon has absolutely wonderful papers.  First
> conference in a long time that I saw all but 3 papers, and I was
> bummed to miss those three...

Yes, the papers were all very good quality.

> And the hallway track was also great too.  Well worth the trip.

-- 
  John-Mark Gurney  Voice: +1 415 225 5579

 "All that I will do, has been done, All that I have, has not."
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Re: inode recovery and differences between UFS1/2 & soft updates

[John-Mark Gurney]

Rick C. Petty wrote this message on Sun, Sep 14, 2003 at 12:52 -0500:
> Hello.  I posted a message to ports yesterday regarding the status of
> sysutils/ffsrecov, which won't compile with UFS2 headers.  I'm in dire need
> of reconnecting or dumping inodes (well the associated files) because of a
> pair of crashes causing fsck to fail due to "unreferenced files".

Sorry, must of missed that.  I'm the author of ffsrecov, and I haven't
updated mainly because I haven't had a system w/ UFS2 to really test
on.  I might be able to get to it in the next week or two, but I assume
that you need it sooner.

> A few years back I did a bunch of work with UFS1/FFS including a few
> personal utilities to dump unconnected files, etc.  I know the UFS1
> implementation pretty well, but that was prior to the use of soft updates
> or the new UFS2.  I'd like to pull the valuable data off this drive before
> I fsck it clean and thus modify the file system.  My question(s) concern
> the differences between UFS1 & UFS2 and the use of soft updates.

I would recommend if you can is to dump it to another filesystem or
to tape.. then you can reinstall and recover the data at a more
leisurely pace..  I had to do this when I originally wrote ffsrecov.
Part of the reason you couldn't recover direct from device in the early
versions.

> AFAICT, soft-updates affects the in-memory copy and does not affect the
> structures on the FS itself, just the order in which those structures are
> updated to improve performance.  I therefore assume that the FS structure
> is similar to the original UFS1/FFS and could use my old utilities to dump
> the files without modification.  The concern is that possibly soft updates
> was interrupted during a metadata write and maybe the inode or something
> else became corrupt; I can't imagine how, I just wanted to verify that this
> wouldn't happen.

Most IDE disks have write caching enabled, and if the system powers off
before the data is writen to disk, softupdates will think that the write
hit the disk when infact it hadn't yet.

> It seems to me that the basic differences between UFS1 & UFS2 are the new  
> ACLs and extended attributes, both of which don't change the underlying
> format of the file system.  It is my guess that I should be able to repair
> this and even recompile ffsrecov using the old UFS headers.  I'm also
> guessing that I should be able to throw the drives into an older freebsd
> system (w/o UFS2) and recover it that way.  Please let me know if I'm way
> off base here.

Another really big difference is that the size of the blocks are
different.. There is also a different way of listing blocks relating
to the file.  This was changed to a more dynamic approch and so it looks
more like extents while keeping the advantages of the old way.  (Thanks
for your presentation at BSDcon, Kirk!)

> On a related note, the soft-updates document,
> http://www.usenix.org/publications/library/proceedings/usenix99/mckusick.html
> implies that the unconnected inodes I'm seeing with fsck are files that
> were deleted when the system was previously up, whose metadata was written
> but whose inodes' link counts weren't decremented yet.  In such a case,
> these "unreferenced files" should be unimportant.  I still wish to dump the
> inodes because one of my drives had a low-level failure (hence why the
> system crashed twice in a row) and after fsck-ing some important files did
> disappear without a trace (I have a list of inodes and the FS was only
> mounted read-only to verify the file integrity).

-- 
  John-Mark Gurney  Voice: +1 415 225 5579

 "All that I will do, has been done, All that I have, has not."
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Re: EMCsq/SAN

[Danny Braniss]

> In the last episode (Sep 14), Danny Braniss said:
> > hi all,
> > Any experiance with EMCsq./SAN? I know FreeBSD is not on their
> > list, but was wondering if it works even without the 'qualified'
> > stamp.
> 
> I'd be surprised if there were any problems, but if you already have an
> EMC unit, let them know you'd like to attach a FreeBSD box (give them
> exact hardware specs) and they'll certify it.  It's in their best
> interest to support their customers' systems :)
> 
that is not what im hearing from them :-(
we are just begining negotiations to - maybe - get an EMC, do you have any
FiberChannel experiance?
danny


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Re: BSDCon pictures available

[Matthew Dillon]

:> BSDCon pictures are available as I have time to upload them:
:> 
:> http://apollo.backplane.com/BSDCON2003/
:
:So what is the latest hit stats on this?
:
:-- 
:  John-Mark Gurney Voice: +1 415 225 5579

As of now,

For BSDCON:

197555 hits from inception (keep in mind that the pages have a lot of
thumbnails on them so this doesn't mean much).

1767 unique visitors by IP.

12 of the unique visitors for BSDCon were from microsoft.  I just
thought I would throw that in :-)

For DevSummit:

16044 hits, 424 unique visitors by IP.

9.38 GB uploaded for BSDCON + DevSummit to date.  The picture archive
(thumbnails + fullsize jpegs) is 622MB.

-Matt
Matthew Dillon 
<[EMAIL PROTECTED]>
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A new sort utility

[Tim Robbins]

The recent thread about BSD-licensed replacements for GNU utilities in OpenBSD
has prompted me to share my reimplementation of the sort(1) utility.
Most of the code is new. sort.1 and obsolete.c came from 4.4BSD via NetBSD.
I've been using it instead of GNU sort on my systems for the past few months,
I've run a few test suites on it, and I think most of the bugs have been
ironed out now.  If anyone's interested, it's available here:
http://people.freebsd.org/~tjr/sort1.tar.gz

It's not quite as fast as the GNU or 4.4BSD sort implementations, but it's
BSD-licensed, follows the normal BSD coding conventions, has better locale
support than 4.4BSD's (and perhaps GNU's, too), and I believe it's much less
buggy than the 4.4BSD sort (sort -n is horribly broken in 4.4BSD's, see the
NetBSD PR database for an example). It attempts to conform to the POSIX
standards; by default it follows 1003.2-1992, removing the CFLAGS+=-DOBSOLETE
line in the Makefile will make it follow 1003.1-2001.

Comments/patches are welcome. As the "History" suggestion of the manual page
suggests, my plan is to get this in to FreeBSD 6, along with replacements for
some other GNU tools. I have a diff(1) replacement (with sdiff support) in
the works, among other things.


Tim
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Re: A new sort utility

[Soren Schmidt]

It seems Tim Robbins wrote:
> Comments/patches are welcome. As the "History" suggestion of the manual page
> suggests, my plan is to get this in to FreeBSD 6, along with replacements for
> some other GNU tools. I have a diff(1) replacement (with sdiff support) in
> the works, among other things.

Go for it!! the more GPL'd stuff we can remove the better!!

-Søren
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Re: EMCsq/SAN

[Kip Macy]

Unless they are giving it to you virtually free, I would seriously
look at other vendors.

-Kip

On Mon, 15 Sep 2003, Danny Braniss wrote:

> > In the last episode (Sep 14), Danny Braniss said:
> > > hi all,
> > >   Any experiance with EMCsq./SAN? I know FreeBSD is not on their
> > > list, but was wondering if it works even without the 'qualified'
> > > stamp.
> >
> > I'd be surprised if there were any problems, but if you already have an
> > EMC unit, let them know you'd like to attach a FreeBSD box (give them
> > exact hardware specs) and they'll certify it.  It's in their best
> > interest to support their customers' systems :)
> >
> that is not what im hearing from them :-(
> we are just begining negotiations to - maybe - get an EMC, do you have any
> FiberChannel experiance?
>   danny
>
>
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Re: Booting a machine over the network without pxe.

[omestre]

On Sun, 14 Sep 2003, John-Mark Gurney wrote:

 Well, i would be very happy with my patch in FreeBSD project!
 That without say that a "real" programmer would take care of the patch
:), and i will just use the features in my servers :))
 I don't know what should i do. I did think that after i submit a PR, the
devel men will fix any problems to fit the FreeBSD project needs. Sorry,
but is my first PR... Shall i fix it?? Well, shall i change the
boot.netif.hostname to kern.hostname? Because if so, it's very simple in
my patch, because is JUST a variable. For my patch do not cares the
variable name. Do you know what i mean? I've just put that name because i
did think that i was making a good thing. :))
 Or maybe you can do that? Tell me what i must to do, and i will make the
changes. I don't know how to make a new "OPTION" in FreeBSD kernel to my
patch, you can help me?
 Thanks again, sorry about the newbie questions, but i really don't know
the procedures.

 Leal

> Date: Sun, 14 Sep 2003 22:55:31 -0700
> From: John-Mark Gurney <[EMAIL PROTECTED]>
> To: omestre <[EMAIL PROTECTED]>
> Subject: Re: Booting a machine over the network without pxe.
>
> omestre wrote this message on Thu, Sep 11, 2003 at 14:26 +:
> > On Tue, 9 Sep 2003, John-Mark Gurney wrote:
> >
> > > boot.netif.hostname already exists as kern.hostname.  Why create yet
> > > another knob for the same value?
> >  I have used the structures that already exists.. for bootp or
> > pxe purposes...
>
> No, I did not misunderstand.
>
> >  Maybe you did not understand my patch (terrible english :), but I'm using
> > the loader.conf file to set that variables, and that ones (for bootp/pxe)
> > have a pattern, i think that follow it is nice. The variables are (i
>
>
> I understood your patch fine, and just so you know, your english isn't
> terrible.. I know many native english speakers who write more
> incomprehensible messages than this...
>
> > guess) for autoconfiguration task (in boot)... So boot.netif.hostname is
> > not the same as kern.hostname.
> >  But this decision for me is irrelevant, the devel man will decide what is
> > better. :))
>
> Well, I am a developer, and would like to not see this patch go in till
> it is fixed.  The reason I say this is that soon, we'll have another
> subsystem that sets the hostname for some reason, and they'll say, oh,
> the bootp subsystem has it's own copy of the hostname, and soon, we might
> have 5+ copies in the system, and then people won't know what one to us
> or which one is the most up to date or "real" hostname of the system.
>
> Ok, can you answer me what uses this variable?  Is this just storage
> of information obtained from bootp/PXE?  Do you end up setting kern.hostname
> from it?
>
> Is there a good technical reason in your opinion for keeing it in the
> "bootp" tree.
>
> --
>   John-Mark GurneyVoice: +1 415 225 5579
>
>  "All that I will do, has been done, All that I have, has not."
>

[EMAIL PROTECTED]
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Re: EMCsq/SAN

[omestre]

On Mon, 15 Sep 2003, Kip Macy wrote:

 We have FreeBSD machines connected to EMC 8830 working fine!

 Leal

> Date: Mon, 15 Sep 2003 08:48:46 -0700 (PDT)
> From: Kip Macy <[EMAIL PROTECTED]>
> To: Danny Braniss <[EMAIL PROTECTED]>
> Cc: [EMAIL PROTECTED]
> Subject: Re: EMCsq/SAN
>
> Unless they are giving it to you virtually free, I would seriously
> look at other vendors.
>
>   -Kip
>
> On Mon, 15 Sep 2003, Danny Braniss wrote:
>
> > > In the last episode (Sep 14), Danny Braniss said:
> > > > hi all,
> > > > Any experiance with EMCsq./SAN? I know FreeBSD is not on their
> > > > list, but was wondering if it works even without the 'qualified'
> > > > stamp.
> > >
> > > I'd be surprised if there were any problems, but if you already have an
> > > EMC unit, let them know you'd like to attach a FreeBSD box (give them
> > > exact hardware specs) and they'll certify it.  It's in their best
> > > interest to support their customers' systems :)
> > >
> > that is not what im hearing from them :-(
> > we are just begining negotiations to - maybe - get an EMC, do you have any
> > FiberChannel experiance?
> > danny
> >
> >
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Re: FreeBSD DevSummit Pics Available

[Julian Elischer]

On Mon, 15 Sep 2003, M. Warner Losh wrote:

> In message: <[EMAIL PROTECTED]>
> Matthew Dillon <[EMAIL PROTECTED]> writes:
> :FreeBSD DevSummit pics are available at:
> : 
> :http://apollo.backplane.com/BSDCON2003/
> : 
> :The links at the bottom.  About 31 people are attending.

final count was about 36 people I think..
with 30 at dinner on Saturday night..
I'd say there were about 25 people on Sunday.


> 
> They were saying that *1*31 people were attending, but that was on the
> first day.  I saw maybe 15 additional walk up people that weren't on
> the attendee list, but don't know what the final attendance figures
> were.  This year's BSDcon has absolutely wonderful papers.  First
> conference in a long time that I saw all but 3 papers, and I was
> bummed to miss those three...
> 
> And the hallway track was also great too.  Well worth the trip.
> 
> Warner
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Re: A new sort utility

[Kris Kennaway]

On Mon, Sep 15, 2003 at 08:53:56PM +1000, Tim Robbins wrote:

> It's not quite as fast as the GNU or 4.4BSD sort implementations

Why is this?

I often need to sort huge files, so I'd be reluctant to use an
implementation with a significant performance penalty.

Kris


pgp0.pgp
Description: PGP signature

Re: EMCsq/SAN

[Clifton Royston]

> From: Danny Braniss <[EMAIL PROTECTED]>
> Subject: Re: EMCsq/SAN 
> To: Dan Nelson <[EMAIL PROTECTED]>
> Cc: [EMAIL PROTECTED]
> 
> > In the last episode (Sep 14), Danny Braniss said:
> > > hi all,
> > >   Any experiance with EMCsq./SAN? I know FreeBSD is not on their
> > > list, but was wondering if it works even without the 'qualified'
> > > stamp.
> > 
> > I'd be surprised if there were any problems, but if you already have an
> > EMC unit, let them know you'd like to attach a FreeBSD box (give them
> > exact hardware specs) and they'll certify it.  It's in their best
> > interest to support their customers' systems :)
> > 
> that is not what im hearing from them :-(
> we are just begining negotiations to - maybe - get an EMC, do you have any
> FiberChannel experiance?
>   danny

  I don't know if they have any FreeBSD users of the SAN product, but
they definitely had some major FreeBSD users of their Symmetra NFS
server when we were eval'ing it a few years ago.  They wouldn't give
names, but they gave the impression it might have been Yahoo and eBay. 
Even in that case, they wouldn't say it was certified with FreeBSD
though.

  Their product was extremely expensive, BTW, even with them offering
us huge discounts.  Given the amount you'll be spending, if they don't
say it's certified to work with FreeBSD, you should be able to get them
to accept a conditional purchase with an addendum to the purchase
contract which allows you to void the sale and return it at their
expense, if you find any incompatibilities to your specifications
within a set period of time.

  In the end our testing did turn up some major NFS performance
problems and incompatibilities with the OS of the client machines we
were trying to run on it - not FreeBSD.  These were not at all EMC's
fault, but we were forced to use the escape clause we wrote into the
purchase contract.  We were very glad we had crafted that carefully.

  This is tangentially relevant to your question, but it does point up
that 1) you want to be careful with non-certified clients, and 2)
price/performance was not EMC's strong point at least then.  If you
have money to burn that's another story.  (In which case, you wanna
hire a testing consultant? )

  -- Clifton

-- 
  Clifton Royston  --  [EMAIL PROTECTED] 
 Tiki Technologies Lead Programmer/Software Architect
Did you ever fly a kite in bed?  Did you ever walk with ten cats on your head?
  Did you ever milk this kind of cow?  Well we can do it.  We know how.
If you never did, you should.  These things are fun, and fun is good.
 -- Dr. Seuss
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RE: EMCsq/SAN

[Max Clark]

As an aside, when considering SAN solutions you should have a good look at
the HP (Compaq) EMA product. I bought one at a previous company and for
1/5th the cost of EMC we got all of the features and fantastic support.

Well worth the phone call.
Max

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Re: EMCsq/SAN

[Wilko Bulte]

On Mon, Sep 15, 2003 at 01:49:06PM -0700, Max Clark wrote:
> As an aside, when considering SAN solutions you should have a good look at
> the HP (Compaq) EMA product. I bought one at a previous company and for
> 1/5th the cost of EMC we got all of the features and fantastic support.

The only downside is that the HSG80 based EMA products are EOL now.
They can be had as used equipment of course.

-- 
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RE: EMCsq/SAN

[Max Clark]

http://h18006.www1.hp.com/products/storageworks/ma8kema12k/index.html

> The only downside is that the HSG80 based EMA products are EOL now.
> They can be had as used equipment of course.

When did they announce an EOL for the HSG80?

-Max
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Re: EMCsq/SAN

[Wilko Bulte]

On Mon, Sep 15, 2003 at 01:59:59PM -0700, Max Clark wrote:
> http://h18006.www1.hp.com/products/storageworks/ma8kema12k/index.html
> 
> > The only downside is that the HSG80 based EMA products are EOL now.
> > They can be had as used equipment of course.
> 
> When did they announce an EOL for the HSG80?

Dunno exactly. But it is all MSA1000, EVA3000 and EVA5000 plus the XP arrays
now.

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Machine wedges solid after one serial-port source-line addition...

[Barry Bouwsma]

[NOTE:  IPv6-only e-mail above, so you probably want to drop me from
 the recipients and just send to the list, which I'll read later, as
 I'm not always online -- else remove just the hostname part to reveal
 an IPv4-aware e-mail for me that may well timeout and bounce.  Sorry.]


Hello gurus and the like;

In the process of trying to enhance my FreeBSD kernel's PPS and related
NTP timekeeping ability, I discovered I could reliably wedge my machine
(two different machines, actually) solid, such that I couldn't break into
the kernel debugger and the NumLock key wouldn't toggle the LED, and only
hitting the reset/power switch could return me to sanity.

Thinking it was a problem with the logic of my added code, I pruned things
and realized a single printf() line would cause my machine to hang within
a few minutes of boot; of course, with a PPS source (radio clock) connected
to the serial port to toggle the DCD line every second and trigger the
printf().

I'd been stuck with STABLE-09.Dec.2002 for a while, but the same thing
seems to happen as well with a RELENG_4 kernel as of a week or so ago --
at least with my hardware.

Would anyone care to explain why the following simple patch could be
enough to wedge my machine solid?  (My original hack-patches without
any console printf() debuggery did the same thing within seconds, as
well...)  All it does is notify the console whenever a serial port DCD
PPS signal transition is detected, as follows (patch against 4.foo; I
haven't tried this with 5.bar or later -- also, not a real patch as I've
included context and snipped my comments) :

--- /usr/local/system/src/sys/isa/sio.c Tue Sep  2 08:57:19 2003
+++ /usr/local/source-hacks/sys/isa/sio.c   Tue Sep  2 18:55:31 2003
[...]
@@ -1999,21 +2015,56 @@

while (!com->gone) {
if (com->pps.ppsparam.mode & PPS_CAPTUREBOTH) {
modem_status = inb(com->modem_status_port);
if ((modem_status ^ com->last_modem_status) & MSR_DCD) {
tc = timecounter;
count = tc->tc_get_timecount(tc);
pps_event(&com->pps, tc, count,
(modem_status & MSR_DCD) ?
PPS_CAPTUREASSERT : PPS_CAPTURECLEAR);
+   printf("DCD status change\n");
}
}
line_status = inb(com->line_status_port);
[...]



I'd be grateful for enlightenment.  I'd successfully added other lines
to record timestamps of other modem lines in addition to DCD (TIOCDCDTIMESTAMP)
but any attempt to do anything with code comparable to the above would
invariably result in a wedge within seconds to hours, from which keyboard
debugger entry was ineffective.

Also note that added debuggery reveals the solid wedge doesn't happen
anywhere in the suspect section of code that I sprinkled with printf()s,
but I haven't done enough debuggery to narrow down where it does or does
not happen.

I'm wondering if it's something really blindingly obvious that I should
be but am not aware of, or something I gotta work on to track down.


Thanks,
Barry Bouwsma

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Conflict between use of /dev/pps and /dev/ppi?

[Barry Bouwsma]

[NOTE:  IPv6-only e-mail above, so you probably want to drop me from
 the recipients and just send to the list, which I'll read later, as
 I'm not always online -- else remove JUST the hostname part to reveal
 an IPv4-aware e-mail for me that may still timeout and bounce.  Sorry.]


Hello hallowed hackers,

Be cautioned that this appears valid for RELENG_4 code way back from
December of 2002, and I'm pretty sure I haven't banged on either the
latest kernel source, or -CURRENT for that matter, as I'm still trying
to catch up.

I noticed that if I try to write a simple program to open /dev/ppi and
do things with it (that work, no less, sometimes), this fails so long
as ntpd has /dev/pps open (the parallel port nACK line is used for that).
Likewise, when I stop ntpd and run my program, then I'm unable to start
ntpd without it complaining about being unable to open /dev/pps.

Is there something I should be doing when opening /dev/ppi0 to free it
from /dev/pps0 ?  I can open /dev/ppi0 simultaneously by several
progams though.
crw-rw  1 root  wheel   82,   0 Jan  6  2002 /dev/ppi0
crw---  1 root  wheel   89,   0 Jul  3 14:45 /dev/pps0
The particular code I'm using looks like
fd = open("/dev/ppi0", O_RDONLY  );

Or is this something within the kernel source that needs munging?

Apologies if it no longer (fails to) work this way, but I'm still
downloading and reviewing the last nine months of changes to the Internet.


Thanks,
Barry Bouwsma

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Re: motherboard agp panic >:O

[Paulo Roberto]

--- Raunchy McSmutbag <[EMAIL PROTECTED]> wrote:
> my mobo doesnt have agp - it's a PCCHIPS m754lmr. The  href=http://www.pcchips.com.tw/M754LMR.html>site says its
> supposed to 
> have AGP but mine doesnt.

Play a little with your BIOS configuration and see if you can config
your AGP. And a little tip: DO NOT BUY PCCHIPS!! I bought a few pcchips
mobos once and a while and just one old model (running on an old
Celeron 233) runs _without_ any problem.

best regards,

Paulo Roberto


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Re: 4.8-stable kernel panic

[Robert Watson]

If one of you has had a chance to test this properly, please go ahead and
commit.  I don't have remote -STABLE development boxes, so haven't been
able to do any -STABLE merging since I went to BSDCon.  I did get RE
permission to MFC this change.

FYI, I have a bunch more related changes in a patch that I can dig up once
I'm caught up on work re-mail.  There are a number of M_TRYWAIT scenarios
where we don't test the return value -- some easier to fix than others. 

Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
[EMAIL PROTECTED]  Network Associates Laboratories

On Mon, 15 Sep 2003, Maxim Konovalov wrote:

> On Sun, 14 Sep 2003, 23:05-0500, Mike Silbersack wrote:
> 
> >
> > On Sun, 14 Sep 2003 [EMAIL PROTECTED] wrote:
> >
> > > Hello,
> > >
> > > It's been almost a month now since I posted the original message on the
> > > list and I'm wondering about the progress on resolving this problem.
> > >
> > > I still can reproduce the panics after cvs-supping to RELENG_4 ~ 23:00 EDT
> > > today.
> > >
> > > Thanks much.
> >
> > Ooops, I forgot to follow up on this.
> >
> > Ok, a few questions:
> >
> > 1.  Can you compile INVARIANTS and INVARIANT_SUPPORT into your kernel?
> > That might help us track down the problem.
> >
> > 2.  What does your network setup look like?  Are you using divert sockets,
> > is there ppp in action, etc.
> >
> > I believe that I tried out your script at the time, and I couldn't find it
> > to cause any problems on my system.
> 
> rwatson has fixed this panic in rev. 1.115 in -current:
> 
> revision 1.115
> date: 2003/08/26 14:11:48;  author: rwatson;  state: Exp;  lines: +2 -0
> M_PREPEND() with an argument of M_TRYWAIT can fail, meaning the
> returned mbuf can be NULL.  Check for NULL in rip_output() when
> prepending an IP header.  This prevents mbuf exhaustion from
> causing a local kernel panic when sending raw IP packets.
> 
> PR: kern/55886
> Reported by:Pawel Malachowski <[EMAIL PROTECTED]>
> MFC after:  3 days
> 
> and haven't MFCed it yet.  Here is a patch for -stable:
> 
> Index: sys/netinet/raw_ip.c
> ===
> RCS file: /home/ncvs/src/sys/netinet/raw_ip.c,v
> retrieving revision 1.64.2.17
> diff -u -r1.64.2.17 raw_ip.c
> --- sys/netinet/raw_ip.c  9 Sep 2003 19:09:22 -   1.64.2.17
> +++ sys/netinet/raw_ip.c  15 Sep 2003 04:21:59 -
> @@ -257,6 +257,8 @@
>   return(EMSGSIZE);
>   }
>   M_PREPEND(m, sizeof(struct ip), M_WAIT);
> + if (m == NULL)
> + return(ENOBUFS);
>   ip = mtod(m, struct ip *);
>   ip->ip_tos = inp->inp_ip_tos;
>   ip->ip_off = 0;
> %%%
> 
> -- 
> Maxim Konovalov, [EMAIL PROTECTED], [EMAIL PROTECTED]
> 

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4.8-stable kernel panic

[[EMAIL PROTECTED]]

It appears that pr-55886 is entirely different bug. After applying the
above patch, I can still get a kernel panic due to mbufs exhaustion.

Mike "Silby" Silbersack wrote:
> 1.  Can you compile INVARIANTS and INVARIANT_SUPPORT into your kernel?

After compiling INVARIANTS* into the kernel, here's what the backtrace
looks like:
 --- bt ---

# gdb -k kernel.debug vmcore.11
GNU gdb 4.18 (FreeBSD)


IdlePTD at phsyical address 0x00405000 initial pcb at physical address
0x003548a0 panicstr: m_copydata, offset > size of mbuf chain panic
messages:
---
panic: m_copydata, offset > size of mbuf chain

syncing disks...
done
Uptime: 1h12m27s

dumping to dev #ad/0x50001, offset 1048608 dump ata0: resetting devices ..
done

---
#0  dumpsys () at ../../kern/kern_shutdown.c:487
487 if (dumping++) {
(kgdb) bt
#0  dumpsys () at ../../kern/kern_shutdown.c:487
#1  0xc0168237 in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2  0xc0168675 in panic (fmt=0xc02db260 "m_copydata, offset > size of mbuf chain") at 
../../kern/kern_shutdown.c:595
#3  0xc018576e in m_copydata (m=0xc155ec00, off=6144, len=2048, cp=0xc1558000 "") at 
../../kern/uipc_mbuf.c:979
#4  0xc0186776 in m_defrag (m0=0xc155ec00, how=1) at ../../kern/uipc_mbuf.c:1572
#5  0xc021de70 in dc_encap (sc=0xc21c3000, m_head=0xc155ec00, txidx=0xd72dede4) at 
../../pci/if_dc.c:3006
#6  0xc021e0bb in dc_start (ifp=0xc21c3000) at ../../pci/if_dc.c:3105
#7  0xc021de09 in dc_intr (arg=0xc21c3000) at ../../pci/if_dc.c:2970
#8  0xc02b419d in intr_mux (arg=0xc144e3a0) at ../../i386/isa/intr_machdep.c:601
#9  0xc02aa0f2 in generic_bcopy ()
#10 0xc023be35 in vm_fault (map=0xd4a9afc0, vaddr=134705152, fault_type=2 '\002', 
fault_flags=8) at ../../vm/vm_page.h:495
#11 0xc02abb1e in trap_pfault (frame=0xd72defa8, usermode=1, eva=134708896) at 
../../i386/i386/trap.c:847
#12 0xc02ab5af in trap (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134740690, 
tf_esi = 134740672, tf_ebp = -1078004340, 
  tf_isp = -684855340, tf_ebx = 18, tf_edx = 134696192, tf_ecx = 134740672, tf_eax 
= 134708863, tf_trapno = 12, tf_err = 7, 
  tf_eip = 134614425, tf_cs = 31, tf_eflags = 66118, tf_esp = -1078004348, tf_ss = 
47}) at ../../i386/i386/trap.c:377
#13 0x8060d99 in ?? ()
#14 0x8062111 in ?? ()
#15 0x8061c2a in ?? ()
#16 0x8060047 in ?? ()
#17 0x805ffeb in ?? ()
#18 0x805e3f5 in ?? ()
#19 0x8048e29 in ?? ()
#20 0x804813e in ?? ()
(kgdb)q

--- bt ---

> 2.  What does your network setup look like?  Are you using divert
> sockets, is there ppp in action, etc.

Nothing special, Accton EN2242 10/100BaseTX NIC using dc driver, ipwf
compiled in, but no rules a set ATM.

Can anyone else reproduce the panic using this script:
--
#!/bin/sh
while :; do
 ping -f -s 65467 ip_addr &
done
--
Thanks,

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Re: A new sort utility

[Tim Robbins]

On Mon, Sep 15, 2003 at 11:43:07AM -0700, Kris Kennaway wrote:

> On Mon, Sep 15, 2003 at 08:53:56PM +1000, Tim Robbins wrote:
> 
> > It's not quite as fast as the GNU or 4.4BSD sort implementations
> 
> Why is this?

Because it spends too much time comparing lines. In particular, it seems to be
spending a lot of time extracting the specified fields from lines, even when
no -k options are specified.

It's also more general than the 4.4BSD implementation, which can't sort
according to the locale's LC_COLLATE settings, and has a lot of difficulty
sorting numbers (with the -n option) properly. If speed was everything, we'd
already be using that one -- it's significantly faster than GNU.

> I often need to sort huge files, so I'd be reluctant to use an
> implementation with a significant performance penalty.

It would be great if you could compare my sort against GNU on some real world
data and let me know how it goes.


Tim
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Re: A new sort utility

[Garance A Drosihn]

At 8:53 PM +1000 9/15/03, Tim Robbins wrote:
Comments/patches are welcome. As the "History" suggestion
of the manual page suggests, my plan is to get this in to
FreeBSD 6, along with replacements for some other GNU tools.
Might we put this in freebsd-current (5.x), but under some
other name?  sortbsd, or something?
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Re: A new sort utility

[Edwin Groothuis]

On Mon, Sep 15, 2003 at 08:24:00PM -0400, Garance A Drosihn wrote:
> At 8:53 PM +1000 9/15/03, Tim Robbins wrote:
> >Comments/patches are welcome. As the "History" suggestion
> >of the manual page suggests, my plan is to get this in to
> >FreeBSD 6, along with replacements for some other GNU tools.
> 
> Might we put this in freebsd-current (5.x), but under some
> other name?  sortbsd, or something?

ports/sysutils/bsdutils-tjr

And of course with the option to overwrite the base installed stuff :-)

Edwin

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Re: A new sort utility

[Richard Coleman]

Garance A Drosihn wrote:
At 8:53 PM +1000 9/15/03, Tim Robbins wrote:

Comments/patches are welcome. As the "History" suggestion
of the manual page suggests, my plan is to get this in to
FreeBSD 6, along with replacements for some other GNU tools.
Might we put this in freebsd-current (5.x), but under some
other name?  sortbsd, or something?
Why would you want to do that?  Unless the performance difference is 
huge, I don't see the problem.

Since the number of people that really that extra 10% (or whatever) of 
speed (for sort) is small, I would suggest the reverse.  Replace the 
current sort with the BSD licensed version, and move the current one to 
a port "gnu-sort", or whatever.

I suddenly feel the need to go build a bikeshed.

Richard Coleman
[EMAIL PROTECTED]


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Re: A new sort utility

[Doug Barton]

On Mon, 15 Sep 2003, Richard Coleman wrote:

> Garance A Drosihn wrote:
> > At 8:53 PM +1000 9/15/03, Tim Robbins wrote:
> >
> >> Comments/patches are welcome. As the "History" suggestion
> >> of the manual page suggests, my plan is to get this in to
> >> FreeBSD 6, along with replacements for some other GNU tools.
> >
> > Might we put this in freebsd-current (5.x), but under some
> > other name?  sortbsd, or something?
>
> Why would you want to do that?  Unless the performance difference is
> huge, I don't see the problem.
>
> Since the number of people that really that extra 10% (or whatever) of
> speed (for sort) is small, I would suggest the reverse.  Replace the
> current sort with the BSD licensed version, and move the current one to
> a port "gnu-sort", or whatever.

This was exactly what I was thinking. Tim, can you mail -arch with this
proposal?

Doug

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Re: A new sort utility

[Garance A Drosihn]

At 9:47 PM -0400 9/15/03, Richard Coleman wrote:
Garance A Drosihn wrote:
At 8:53 PM +1000 9/15/03, Tim Robbins wrote:

Comments/patches are welcome. As the "History" suggestion
of the manual page suggests, my plan is to get this in to
FreeBSD 6, along with replacements for some other GNU tools.
Might we put this in freebsd-current (5.x), but under some
other name?  sortbsd, or something?
Why would you want to do that?
Just so we could have it in 5.x, instead of the stated plan
of waiting until 6.x.  I do not feel strongly about it, other
than to say that it'd be nice if this was part of 5.x, and I
don't know if we want to switch to rewrite of 'sort' at this
point in 5.x.  *Someday* we've got to stop dropping in major
changes to 5.x, and get serious about releasing it as -stable
so we can start on 6.x-current.
Just my 2 cents.  I don't feel strongly about it.

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4.9 ETA ? ( /me ducks)

[Josh Brooks]

I know it's lame, but I am curious if there is a ETA on 4.9.

Any feedback (one day, one week) appreciated.



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Re: 4.9 ETA ? ( /me ducks)

[Brandon D. Valentine]

On Mon, Sep 15, 2003 at 08:52:54PM -0700, Josh Brooks wrote:
> 
> I know it's lame, but I am curious if there is a ETA on 4.9.
> 
> Any feedback (one day, one week) appreciated.

Help yourself: http://www.freebsd.org/releng/

=)

Brandon D. Valentine
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Re: motherboard agp panic >:O

[Raunchy McSmutbag]

no luck.. the only agp my mobo has is the onboard card (TNT2 32 megs.. piece 
of shit). i tried playing with it but same thing. I really think its a 
kernel bug >:O


From: Paulo Roberto <[EMAIL PROTECTED]>
To: Raunchy McSmutbag <[EMAIL PROTECTED]>,[EMAIL PROTECTED]
Subject: Re: motherboard agp panic >:O
Date: Mon, 15 Sep 2003 14:39:39 -0700 (PDT)
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--- Raunchy McSmutbag <[EMAIL PROTECTED]> wrote:
> my mobo doesnt have agp - it's a PCCHIPS m754lmr. The  href=http://www.pcchips.com.tw/M754LMR.html>site says its
> supposed to
> have AGP but mine doesnt.
Play a little with your BIOS configuration and see if you can config
your AGP. And a little tip: DO NOT BUY PCCHIPS!! I bought a few pcchips
mobos once and a while and just one old model (running on an old
Celeron 233) runs _without_ any problem.
best regards,

Paulo Roberto

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Re: 4.9 ETA ? ( /me ducks)

[Edwin Groothuis]

On Mon, Sep 15, 2003 at 08:52:54PM -0700, Josh Brooks wrote:
> I know it's lame, but I am curious if there is a ETA on 4.9.

http://www.freebsd.org/releases/4.9R/schedule.html

Looks like it's going to be a more two weeks.

Edwin
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[AsiaBSDCon] Announcing the USENIX AsiaBSDCon and its Request for Papers

[Michael C. Wu]

Dear Recipients:

We are happy to announce that the USENIX AsiaBSDCon 2004 will take
place at Academia Sinica, Taipei, Taiwan between March 13 2004 and
March 15 2004.

We would like to invite all whom are interested in BSD and their
applications (including but not limited to: bioinformatics, scientific computing,
e-commerce, operating systems, etc.) to submit papers to the conference.
The RFP is at : http://www.asiabsdcon.org/cfp.shtml

I am happy to say that we have a great set of invited speakers who will
discuss many topics of interest.  They will speak at the beautiful activity
center of Academia Sinica, the premier research institution of Taiwan.
( http://www.sinica.edu.tw )

Traveling to Taiwan is considered inexpensive at USD$400-800 during that
time.  With limited space, the conference hotel is approximately USD$25 per single
room per night, with free wavelan access on campus.  For those that wish
to stay in downtown Taipei, we have arranged English-speaking hotels costing
from USD$30~USD$100 with convenient subway transportation.

There will be no registration fee for people who register early.  We also
provide food during the conference at no cost to those who register within the early
registration deadline.  However, we welcome any donations to enable us
to do more for the conference.  All proceeds not used will be used either
towards next year's conference or donated to independent BSD foundations.

Should we receive sufficient response, we will organize a touring trip of
some parts of Taiwan before or after the conference.  Hot springs, beautiful canyons,
towering mountains, brilliant nightlife, and white sandy beaches are all part of
Taiwan. (You can indicate your willingness to join such a trip as soon as the
registration system opens.)

We look forward to a great conference with your participation.

Regards,
Michael C. Wu
Program Coordinator, USENIX AsiaBSDCon 2004


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My jail can not ssh..

[maillist bsd]

Hi ,
 
I am just testing jail on my FreeBSD4.8-stable box, i found i can not ssh to the jail 
environment, but i can telnet to jail environment, the sshd is running both inside and 
outside jail.  What's the problem.
 
With following link is i ask in www.freebsdforums.org .
 
http://www.freebsdforums.org/forums/showthread.php?s=&threadid=13656
 
Regards,
kinux

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Re: 4.8-stable kernel panic

[Mike Silbersack]

On Mon, 15 Sep 2003, Robert Watson wrote:

> If one of you has had a chance to test this properly, please go ahead and
> commit.  I don't have remote -STABLE development boxes, so haven't been
> able to do any -STABLE merging since I went to BSDCon.  I did get RE
> permission to MFC this change.
>
> FYI, I have a bunch more related changes in a patch that I can dig up once
> I'm caught up on work re-mail.  There are a number of M_TRYWAIT scenarios
> where we don't test the return value -- some easier to fix than others.
>
> Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
> [EMAIL PROTECTED]  Network Associates Laboratories

Ok, I'll do it.

Mike "Silby" Silbersack
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Problems when writing to a Compact Flash card, FreeBSD 5.1, solution found.

[Antti Louko]

Finally, after adding and removing printfs and DELAYs in different
places, I found that probably after status inquiry, one must wait just
a little moment before doing anything with IDE device.  The following
patch seems to fix the problem.

Thank you for all of you who participated in the effort with
suggestions or sympathy!

Regards,

Antti Louko

P.S.

If I won't find further problems, I will send this as a bug report so
this will get  into the releases, too.  I haven't tried CURRENT yet
but it seems that it might have the problem, too.

*** dev/ata/ata-all.c.orig  Sun May 18 19:43:08 2003
--- dev/ata/ata-all.c   Tue Sep 16 08:14:56 2003
***
*** 978,983 
--- 978,984 
  DELAY(1);
  while (timeout < 500) { /* timeout 5 secs */
atadev->channel->status = ATA_IDX_INB(atadev->channel, ATA_STATUS);
+ DELAY(1);
  
/* if drive fails status, reselect the drive just to be sure */
if (atadev->channel->status == 0xff) {

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Re: EMCsq/SAN

[Danny Braniss]

> On Mon, 15 Sep 2003, Kip Macy wrote:
> 
>  We have FreeBSD machines connected to EMC 8830 working fine!
> 
>  Leal
>
what FC hardware are you using/recommend? btw, is this an i86?

thanks,
danny
 
> > Date: Mon, 15 Sep 2003 08:48:46 -0700 (PDT)
> > From: Kip Macy <[EMAIL PROTECTED]>
> > To: Danny Braniss <[EMAIL PROTECTED]>
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: EMCsq/SAN
> >
> > Unless they are giving it to you virtually free, I would seriously
> > look at other vendors.
> >
> > -Kip
> >
> > On Mon, 15 Sep 2003, Danny Braniss wrote:
> >
> > > > In the last episode (Sep 14), Danny Braniss said:
> > > > > hi all,
> > > > >   Any experiance with EMCsq./SAN? I know FreeBSD is not on their
> > > > > list, but was wondering if it works even without the 'qualified'
> > > > > stamp.
> > > >
> > > > I'd be surprised if there were any problems, but if you already have an
> > > > EMC unit, let them know you'd like to attach a FreeBSD box (give them
> > > > exact hardware specs) and they'll certify it.  It's in their best
> > > > interest to support their customers' systems :)
> > > >
> > > that is not what im hearing from them :-(
> > > we are just begining negotiations to - maybe - get an EMC, do you have any
> > > FiberChannel experiance?
> > >   danny
> > >
> > >
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> 
> [EMAIL PROTECTED]
> SDF Public Access UNIX System - http://sdf.lonestar.org


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