On Wed, 9 Oct 2013 15:42:27 +0400
Dmitry Sivachenko wrote:
> Hello!
>
> I have a program which mmap()s a lot of large files (total size more
> that RAM and I have no swap), but it needs only small parts of that
> files at a time.
>
> My understanding is that when using mmap when I access some me
On Tue, 8 Oct 2013 16:01:25 -0700
Davide Italiano wrote:
> This could be probably changed -- from what | see even under high
> memory pressure this wasn't a problem but all in all I agree with you
> that we shouldn't loop forever but limit the number of pass on the
> list to a somewhat constant n
On Tue, 8 Oct 2013 13:32:58 +0200
Davide Italiano wrote:
> On Tue, Oct 8, 2013 at 1:25 PM, Adrian Chadd
> wrote:
> > Hi,
> >
>
> Hi Adrian,
>
> > Please try it out on a -10 VM with something RAM limited - say,
> > 128mb w/ GENERIC. See how it behaves.
Be aware that any test that doesn't cause
On Sun, 25 Aug 2013 22:03:58 +0200
Jeremie Le Hen wrote:
> I've implemented it here:
> http://people.freebsd.org/~jlh/security_status_period.diff
>
Doesn't this mean that if you want to run "periodic security" from
crontab or manually etc, you have to override every single entry to
"crontab" in
On Thu, 22 Aug 2013 22:49:58 +0200
Jeremie Le Hen wrote:
> Hi,
>
> I plan to commit the attached patch. This allows the turn the daily
> security checks into weekly checks. You do this by adding the
> following to periodic.conf(5):
>
> daily_status_security_enable=NO
> weekly_status_se
On Fri, 31 May 2013 14:26:39 +0200
Dirk-Willem van Gulik wrote:
>
> Op 31 mei 2013, om 14:02 heeft RW het
> >># Activate software random generator as an additional
> >> source sysctl kern.random.sys.harvest.swi=1
> >
> > IIRC this doesn't do an
On Fri, 31 May 2013 12:01:02 +0200
Dirk-Willem van Gulik wrote:
> Now we happen to have very easy access to blocks of 1024bits of
> randomness from a remote server in already nicely PKI signed packages
> (as it is needed later for something else).
>
> Is it safe to simply *add* those with:
>
>
On Tue, 16 Apr 2013 14:12:54 -0700
Carl Shapiro wrote:
> I am seeing wait4 system calls failing with an EFAULT and I am trying
> to understand what might be going wrong.
>
> An inspection of the wait4 implementation suggests the opportunity
> for EFAULT is within its invocations of copyout. In
On Sun, 30 Dec 2012 13:18:37 +
Chris Rees wrote:
> On 30 Dec 2012 12:58, "Wojciech Puchar"
> wrote:
> >
> > do ports have to be updated this way or i can use portsnap as
> > today? will
> portsnap be continued or is too deprecated?
>
> Portsnap is staying.
And I understand that freebsd-upda
On Thu, 27 Dec 2012 02:33:00 -0800
Garrett Cooper wrote:
> On Thu, Dec 27, 2012 at 2:30 AM, Chris Rees wrote:
> >
> > I recall a cluster administrator advising use of svn protocol
> > rather than http. Something to do with overheads.
>
> Yes, you're right. http opens a connection per-file,
On Tue, 19 Jun 2012 11:03:31 -0700
Garrett Cooper wrote:
> On Tue, Jun 19, 2012 at 10:51 AM, Wojciech Puchar
> wrote:
> >>> grep sleep /etc/rc.d/* usr/local/etc/rc.d/*
> >>
> >> Sleeps in /etc tend to be there for good reasons, and new ones are
> >> vigorously scrutinized. If you see any that you
On Tue, 19 Jun 2012 01:04:47 -0400
Richard Yao wrote:
> On 06/19/2012 12:39 AM, Wojciech Puchar wrote:
> > - delay at rc.d scripts - there are some delays inserted.
> >
> >> The latter item is the only place where making changes to rc.d is
> >> going to help, and only then by parellelizing, and e
On Sun, 18 Mar 2012 14:01:39 +0100
rank1see...@gmail.com wrote:
> man mdconfig
>
> -S sectorsize to use for malloc backed device
>
>
> I want to create MD device, with sector size of 4 Kb.
>
> It is CRITICAL to NOT append ANY suffixes, when specifing size, via
> '-s' flag in order to u
On Tue, 6 Mar 2012 10:31:49 +0100
Björn Oelke wrote:
> Am 06.03.2012 um 06:48 schrieb Brandon Falk:
> > I havent tried tmux yet, but on my system im only able to get 80x40
> > with vidcontrol on one monitor. But with xterm in xorg i can get
> > 319x89 per monitor. Until i get about half of that, i
On Wed, 30 Nov 2011 12:39:10 -
Steven Hartland wrote:
> We're seeing some impossible memory usage stats reported on machines
> here from vmstat and sysctl vm.vmtotal.
>
> We have machines reporting to be using 31GB total when they only have
> 8GB physical and are not using any swap.
>
> Here
On Mon, 5 Sep 2011 14:48:57 -0500
Dan Nelson wrote:
> In the last episode (Sep 05), Sean Hamilton said:
> > What is the state of the art for the recommended amount of swap in
> > FreeBSD? Both "normal" systems with 512 MB - 8 GB of RAM, and large
> > database systems with around 128 - 256 GB.
>
>
On Mon, 1 Aug 2011 19:21:38 -0300
Mario Lobo wrote:
> On Monday 01 August 2011 15:52:30 Matthew D. Fuller wrote:
> > On Sun, Jul 31, 2011 at 09:28:29PM -0300 I heard the voice of
> >
> > Mario Lobo, and lo! it spake thus:
> > > Unfortunately this Mobo died and only found AM3 boards for which
> >
On Thu, 24 Feb 2011 12:49:06 +0530
chandra reddy wrote:
> Hi All,
>
> I am working on a project where i need to download a file via a proxy
> server using HTTPS protocol. I found that fetch does not work/support
> HTTPS requests over a proxy.
I just checked and neither do wget nor curl.
> I c
On Wed, 15 Dec 2010 06:56:58 -0800 (PST)
Jakub Lach wrote:
>
> Hello.
>
> http://marc.info/?l=openbsd-tech&m=129236621626462&w=2
>
> What's your insight?
There's already a thread on this on the security list.
___
freebsd-hackers@freebsd.org mailing
Is there a good reason why physical memory pages released by
madvise(...,MADV_FREE) get handled by vm_page_dontneed()?
vm_page_dontneed() leaves page that are already in the inactive queue
where they are, and otherwise distributes pages between the active
queue, and the inactive queue's tail and h
On Thu, 21 Oct 2010 12:21:10 +
Alexander Best wrote:
> atacontrol(8) says that:
>
> "You should not set a spindown timeout on a disk with / or syslog
> logging on it as the disk will be worn out spinning down and up all
> the time."
>
> this seems to indicate that spinning down a disk
On Thu, 16 Sep 2010 09:17:52 +0200
Dag-Erling Smørgrav wrote:
> Garrett Cooper writes:
> > Agreed. Spinning down at reboot isn't smart and seems like a good
> > way to kill a disk quicker.
>
> *not* spinning down at halt is far worse. Most modern disks are rated
> for hundreds of thousands of
On Sun, 25 Jul 2010 23:43:08 +0300
Andriy Gapon wrote:
> on 25/07/2010 23:28 RW said the following:
> > I didn't say it say it was guaranteed. I just think the scenario
> > where a first pass ends up between the watermarks is rare. And when
> > it happens I don'
On Sun, 25 Jul 2010 17:19:41 +0300
Andriy Gapon wrote:
> on 25/07/2010 16:41 RW said the following:
> > In FreeBSD the inactive queue contains disk cache pages which
> > normally provide most of the clean pages needed. In addition pages
> > are dribbled out to swap, an
On Sun, 25 Jul 2010 13:07:21 +0300
Andriy Gapon wrote:
> on 25/07/2010 02:31 RW said the following:
> > As I understand it the hysteresis is done inside vm_pageout_scan,
> > and the expectation is that one pass will typically satisfy this
> > because the design aims to ke
On Sat, 24 Jul 2010 23:23:07 +0300
Andriy Gapon wrote:
>
> There is a good deal of comments in the vm_pageout.c code that imply
> that we use a hysteresis approach to deal with low available pages
> condition.
>
>
> In general, the hysteresis, the comments and the code make sense.
> My doubt,
On Thu, 1 Jul 2010 22:08:55 +0100
RW wrote:
> dir="${targetdir}/`stat -f %Sm -t %Y%m%d ${file}`/"
> [ -d "${dir}"] || mkdir "${dir}"
> mv "${file}" "${dir}"]
>
Should be:
dir="${targetdir}/`stat -f %Sm -t %Y%m
On Thu, 1 Jul 2010 10:20:25 -0700
Steve Franks wrote:
> Hi y'all,
>
> My high-end point&shoot camera likes to glob all my photos in a single
> folder, and it's glutting up my drive, and makes finding a specific
> trip unpleasant, with no good place for metadata. My SLR sorts them
> into folders
On Sat, 05 Jun 2010 20:16:49 -0400
jhell wrote:
>
>
> I'm afraid that you are confused about what the scheduler in the
> FreeBSD kernel does and what the Aurora Scheduler is. They are not
> relational to one another in any such way.
> ...
> There is not a similiar scheduling program in FreeBSD
On Sat, 22 May 2010 05:09:31 -0700
Anjali Kulkarni wrote:
> I am not sure the right forum to ask this question - is there any
> effort done to find portable code between different OSes,
> particularly freebsd and linux?
BSD code has been used in most operating systems due to its open
licence,
On Thu, 22 Apr 2010 20:05:48 +0300
Eitan Adler wrote:
> bak=/var/backups
This should be configurable IMO.
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On Fri, 25 Dec 2009 13:38:10 -0800
Doug Barton wrote:
> Robert Watson wrote:
> > I'll point Mark Murray at this thread and see if we can get him to
> > opine some on the current design choices and any potential changes
> > to address them. I was interested by your observation that the
> > boot-t
On Thu, 24 Dec 2009 19:48:43 + (GMT)
Robert Watson wrote:
> On Thu, 24 Dec 2009, Paul Graphov wrote:
>
> > And also according to Schneier it is a good idea to save state of
> > the PRNG and restore it on boot to make it "more seeded".
>
> In the default configuration, we save some PRNG outp
On Thu, 24 Dec 2009 15:45:15 +0300
Paul Graphov wrote:
> Hello guys,
>
> I've looked at FreeBSD 8.0 cryptographically secure pseudorandom
> numbers generator and have a question. It looks like a bug but I'am
> not sure.
>
> In file sys/dev/randomdev.c, function random_read:
>
> if (!ra
On Sun, 4 Oct 2009 15:11:18 +0100
Alex Trull wrote:
> Hi all,
>
> I realised that because portupgrade/portmaster don't always
> cleanly restart processes that have died due to being
> upgraded (mysqld, often!) that this was something I wanted
> to fix.
You can configure portupgrade (and FWIW
On Sun, 29 Mar 2009 17:40:30 -0400
Chuck Robey wrote:
> I just had to see if I could locate if there was a gnome project page
> by looking at the FreeBSD web pages. Why don't you try that
> yourself? I'll tell you, it's really FAR from being obvious. I'm
> just saying, even if folks don't want
On Sat, 17 Jan 2009 17:57:10 -0800 (PST)
Kamlesh Patel wrote:
> Hi All,
>
> I am trying remote kernel debugging in FreeBSD using serial
> communication. I got the following link.
>
> http://www.ibm.com/developerworks/aix/library/au-debugfreebsd.html#list1
>
> My problem is my developing and ta
On Mon, 29 Sep 2008 10:36:46 +0200
"Michael Schuh" <[EMAIL PROTECTED]> wrote:
> so we have a webserver (par example) at this mirror it has very good
> speed for the file-access
> (ok i know in allmost cases is not the disk the bottleneck, and if we
> could doing caching...)
> at the above examle it
On Fri, 26 Sep 2008 20:15:43 +0200
"Michael Schuh" <[EMAIL PROTECTED]> wrote:
> Let us say i have a Machine with 8 CPUs and a lot of RAM.
> An i need a very high perfomance Storage for holding data.
>
> My idea was to setup a raid1(0) with virtual disk images.
> Created with mdconfig.
>
> My id
On Sat, 23 Aug 2008 22:02:14 -0400
"Aryeh Friedman" <[EMAIL PROTECTED]> wrote:
> Thanks that did it... but you're incorrect in saying it is only ntfs
> it is all fuse based fs's I had a the same error when doing a fuse-ssh
> mount to my machine at work
I meant only ntfs out of all the other entr
On Sat, 23 Aug 2008 23:13:49 +0100
RW <[EMAIL PROTECTED]> wrote:
> On Sat, 23 Aug 2008 16:38:13 -0400
> "Aryeh Friedman" <[EMAIL PROTECTED]> wrote:
>
>
> > c) See a additionally to prove all the above here is my /etc/rc (the
> > last 2 lines where a
On Sat, 23 Aug 2008 16:38:13 -0400
"Aryeh Friedman" <[EMAIL PROTECTED]> wrote:
> c) See a additionally to prove all the above here is my /etc/rc (the
> last 2 lines where added just to prove the point):
>
> #!/bin/sh
>
> PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
>
> swa
On Sat, 23 Aug 2008 15:33:54 +0200
Gary Jennejohn <[EMAIL PROTECTED]> wrote:
> On Sat, 23 Aug 2008 06:34:23 -0400
> "Aryeh Friedman" <[EMAIL PROTECTED]> wrote:
>
> > What is difference between /etc/rc.d called programs and ones called
> > after login prompt shows up?
> >
> > The reason for askin
On Mon, 28 Jul 2008 15:10:11 +0200
Marc L__rner <[EMAIL PROTECTED]> wrote:
> On Monday 28 July 2008 15:00, Jeremy Chadwick wrote:
> > On Mon, Jul 28, 2008 at 04:11:49PM +0400, sam wrote:
> > > Hello,
> > >
> > > How to make 'fsck -f' on booting stage of remote system?
> >
> > I believe by setting
On Wed, 2 Jul 2008 23:36:09 -0400
"Sean Cavanaugh" <[EMAIL PROTECTED]> wrote:
> This is the first time I ever actually downloaded all 3 CD's so i
> didn't know what I was getting into. I had always just used the
> first CD for the initial install, then ports for everything else.
> Next time I wi
On Fri, 27 Jun 2008 00:37:40 -0700
Jeremy Chadwick <[EMAIL PROTECTED]> wrote:
> Also, HTML Email is incredibly annoying. And you know what's even
> *more* annoying? HTML Email that is sent with a text/plain MIME type,
> indicating it's not HTML.
There was also a problem with the base64 encodin
On Wed, 25 Jun 2008 11:52:30 +0300
Stefan Lambrev <[EMAIL PROTECTED]> wrote:
> I tried this before and have a bad luck of not having working audio
> on flash, but today with new wine and FF3 it works.
>
> Btw there is a small nasty problem copy/paste from wine app to native
> apps does not work.
On Thu, 19 Jun 2008 17:36:44 -0400
Chuck Robey <[EMAIL PROTECTED]> wrote:
> Could I ask, does anyone here know the reason (even in general) that
> the Nvidia driver isn't working on the i386?
I presume you mean on amd64, since it does work on i386.
http://lists.freebsd.org/pipermail/freebsd-ha
On Mon, 12 May 2008 17:34:35 +0300
Andriy Gapon <[EMAIL PROTECTED]> wrote:
>
> This is not a real issue, just a code clarification.
>
> First a snippet from sys/i386/i386/vm_machdep.c, cpu_reset_real()
> /*
> * Attempt to force a reset via the Reset Control register at
> * I/O port 0xcf9. Bit
On Mon, 21 Apr 2008 14:48:30 +0400
Eygene Ryabinkin <[EMAIL PROTECTED]> wrote:
> Good day.
>
> Sun, Apr 20, 2008 at 06:31:35PM +0100, RW wrote:
> > > this modification seems not to help anything,
> >
> > It possibly doesn't help with an attack against
On Sat, 19 Apr 2008 23:30:23 +0400
Eygene Ryabinkin <[EMAIL PROTECTED]> wrote:
> I would not do it without consultations with Yarrow's creators:
OK, I didn't realise it was actually specified, I thought it an
implementation detail.
> this modification seems not to help anything,
It possibly d
The random number generator in FreeBSD's Yarrow implementation uses
AES256 in counter mode. When a reseed occurs the generator is
reinitialised like this:
- generate a new cypher-key from the pool[s] and the old key
- zero the counter
- encrypt the (zeroed) counter with the new key
My questio
On Tue, 26 Feb 2008 22:49:37 +0300
Eygene Ryabinkin <[EMAIL PROTECTED]> wrote:
> Yes, Geoff just responded to my private question: it was Peter
> Gutmann, who pointed him to the thing you're talking about. There
> is a paper by Peter,
>
> http://www.usenix.org/publications/library/proceedings
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