Low Tx-Rx performance with 10Gb NICs

2013-05-24 Thread Igor Mozolevsky
On Friday, 24 May 2013, Axel Fischer wrote: Additionally I noticed the following TCP errors with netstat -s ...: 1186 data packets (1717328 bytes) retransmitted 6847875 window update packets 2319 duplicate acks 25831 out-of-order packets (37403288 bytes) 3733 discarded due to memory

Re: Low Tx-Rx performance with 10Gb NICs

2013-05-23 Thread Igor Mozolevsky
On 23 May 2013 19:00, Lino Sanfilippo lsan...@marvell.com wrote: Is there a known issue concerning high traffic on Tx and Rx paths? Are there any system settings I could adjust to get the expected performance? Any hints are very appreciated. check your ierrs and oerrs: netstat -s 1, I've

Re: Getting PRs fixed (was: Re: ...focus, longevity, and lifecycle)

2012-01-19 Thread Igor Mozolevsky
On 19 January 2012 11:55, Julian H. Stacey j...@berklix.com wrote: Igor Mozolevsky wrote: On 19 January 2012 00:57, Dieter BSD dieter...@engineer.com wrote: Idea 2: Give it status. Set up a web page with PR fixing stats name/handle..total PRs fixed...fixed in last 12 months...average

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-19 Thread Igor Mozolevsky
On 19 January 2012 16:35, Robert Huff roberth...@rcn.com wrote: Igor Mozolevsky writes:   Wouldn't this discourage even more people from helping?  Would this not separate people who have a genuine interest in  contributing from tinker-monkeys?        Did I miss a previous definition

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 09:25, Andriy Gapon a...@freebsd.org wrote: on 18/01/2012 02:16 Igor Mozolevsky said the following: Seriously, WTF is the point of having a PR system that allows patches to be submitted??! When I submit a patch I fix *your* code (not yours personally, but you get my gist

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 11:08, Andriy Gapon a...@freebsd.org wrote: on 18/01/2012 12:54 Igor Mozolevsky said the following: [snip] There are about 5000 open PRs for FreeBSD base system, maybe more. There are only a few dozens of active FreeBSD developers.  Maybe less for any given particular

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 13:11, Eitan Adler li...@eitanadler.com wrote: On Tue, Jan 17, 2012 at 8:41 PM, Igor Mozolevsky i...@hybrid-lab.co.uk wrote: One way to encourage people to fix their code would be to prevent them from committing to -CURRENT once they pass a certain threshold

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 17:06, Devin Teske devin.te...@fisglobal.com wrote: -Original Message- From: owner-freebsd-hack...@freebsd.org [mailto:owner-freebsd- hack...@freebsd.org] On Behalf Of Julian Elischer Sent: Tuesday, January 17, 2012 10:56 AM To: Mark Felder Cc:

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 17:30, Chris Rees utis...@gmail.com wrote: On 18 Jan 2012 17:12, Igor Mozolevsky i...@hybrid-lab.co.uk wrote: Back in the days when the UK banks ran ATMs, c on Windows NT (I have no idea what they are running now) Well I've not seen any BSOD'd cashpoints around

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 18:27, Adam Vande More amvandem...@gmail.com wrote: I've suggested this before without much response, but since this thread seems to be encouraging repetition I'll give it another go.  ;) I think a bounty system would be very effective(e.g. micro-donations of recent

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 17:56, Andriy Gapon a...@freebsd.org wrote: on 18/01/2012 19:13 Daniel Eischen said the following: someone who owns a branch... - If you cut release N.0, do not move -current to N+1.  Keep -current at N for a while, prohibiting ABI changes, and any other risky changes.  If a

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 22:31, Mark Blackman m...@exonetric.com wrote: 10.0 - Nov 2013 I think 10.0 should be released based on feature-readiness and not on some arbitrary date... -- Igor M. ___ freebsd-hackers@freebsd.org mailing list

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-18 Thread Igor Mozolevsky
On 18 January 2012 22:53, Mark Blackman m...@exonetric.com wrote: On 18 Jan 2012, at 22:50, Igor Mozolevsky wrote: On 18 January 2012 22:31, Mark Blackman m...@exonetric.com wrote: 10.0 - Nov 2013 I think 10.0 should be released based on feature-readiness and not on some arbitrary date

Re: Getting PRs fixed (was: Re: ...focus, longevity, and lifecycle)

2012-01-18 Thread Igor Mozolevsky
On 19 January 2012 00:57, Dieter BSD dieter...@engineer.com wrote: Idea 2: Give it status. Set up a web page with PR fixing stats name/handle..total PRs fixed...fixed in last 12 months...average fixed/year Sheldon..150...9072

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 13:44, Ivan Voras ivo...@freebsd.org wrote: On 17/01/2012 07:32, Atom Smasher wrote: On Tue, 17 Jan 2012, richo wrote: This would be a different argument if all the devs were paid a salary. == what percentage of linux devs are on salary to develop linux?

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 14:20, Ivan Voras ivo...@freebsd.org wrote: On 17 January 2012 14:49, Igor Mozolevsky i...@hybrid-lab.co.uk wrote: On 17 January 2012 13:44, Ivan Voras ivo...@freebsd.org wrote: On 17/01/2012 07:32, Atom Smasher wrote: what percentage of linux devs are on salary to develop

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 16:48, Freddie Cash fjwc...@gmail.com wrote: On Tue, Jan 17, 2012 at 7:32 AM, Igor Mozolevsky i...@hybrid-lab.co.uk wrote: Actually, I don't think it's cash that's the problem. I think it is more to do with the lack of common goal: the way that releases are perceived

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 15:39, Mark Felder f...@feld.me wrote: FreeBSD is increasingly becoming a third world citizen thanks to virtualization efforts being focused on Linux, so I feel that more frequent releases won't help as many people as you think. I would guess that for folks like VMWare, the

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 17 January 2012 23:01, Adrian Chadd adr...@freebsd.org wrote: If you'd like to see: ... more frequent releases? then please step up and help with all the infrastructure needed to roll out test releases, including building _all_ the ports. A lot of people keep forgetting that a release is

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 18 January 2012 00:00, Andriy Gapon a...@freebsd.org wrote: Just a note: the next best thing you can to _not_ have a patch committed is to just open a PR and stop at that.  The best thing being not sharing the patch at all :-) [snip] Some things that help: - send a problem description

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-17 Thread Igor Mozolevsky
On 18 January 2012 01:11, Eitan Adler li...@eitanadler.com wrote: It takes time to review and test patches. There are a lot of people that think it only takes 30 seconds to download the patch, apply, and commit.  This is just not true. I fully understand that and it is not what I was saying,

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-16 Thread Igor Mozolevsky
On 17 January 2012 02:25, richo ri...@psych0tik.net wrote: On 17/01/12 02:21 +, Igor Mozolevsky wrote: On 17 January 2012 01:02, richo ri...@psych0tik.net wrote: This would be a different argument if all the devs were paid a salary. Isn't this a bit of a cyclical argument: developers

Re: FreeBSD has serious problems with focus, longevity, and lifecycle

2012-01-16 Thread Igor Mozolevsky
On 17 January 2012 01:02, richo ri...@psych0tik.net wrote: This would be a different argument if all the devs were paid a salary. Isn't this a bit of a cyclical argument: developers don't work because they are not paid a salary, the end-user base shrinks, BigCo doesn't want to pay for someone

Re: sysbench / fileio - Linux vs. FreeBSD

2010-06-05 Thread Igor Mozolevsky
/usr/src : zfs with compression enabled /usr/src : 386.3MB/s Do I understand it well? It seems that zfs with compression enabled on /usr/src with 8KB block size and 16 threads performs 386.3MB/s which is about 6 times better than debian5? I am thinking about this image

Re: sysbench / fileio - Linux vs. FreeBSD

2010-06-04 Thread Igor Mozolevsky
On 5 June 2010 00:58, Adam PAPAI w...@wooh.hu wrote: How can I tune my disk to make it faster? Is it possible? What is the reason of the really slow I/O with more than 4 threads? What do you recommend me to do? Why is it damn slow with 8K blocksize? Does linux still have async disk writes by

Re: Spin down HDD after disk sync or before power off

2010-01-27 Thread Igor Mozolevsky
2010/1/27 Oliver Fromme o...@lurza.secnetix.de: Second, you should make sure that ATA_STANDBY_IMMEDIATE is only used when a poweroff is requested, but not in other cases.  Of course, ATA_FLUSHCACHE should *always* be sent. Would SLEEP not be a better option than STANBY IMMEDIATE, as SLEEP

Re: Spin down HDD after disk sync or before power off

2010-01-26 Thread Igor Mozolevsky
2010/1/26 Alexander Best alexbes...@wwu.de: attached you'll find a very simple patch which issues ATA_STANDBY_IMMEDIATE instead of ATA_FLUSHCACHE during hdd spin down. Hold on, does STANDBY IMMEDIATE not abort the previous command within some short timeframe? What if there are pending writes?

Re: Spin down HDD after disk sync or before power off

2010-01-26 Thread Igor Mozolevsky
2010/1/27 Igor Mozolevsky i...@hybrid-lab.co.uk: Hold on, does STANDBY IMMEDIATE not abort the previous command within some short timeframe? What if there are pending writes? Nope, ignore me... ___ freebsd-hackers@freebsd.org mailing list http

Re: llvm/clang a tool chain or just a compiler for FreeBSD?

2009-07-22 Thread Igor Mozolevsky
2009/7/22 Kostik Belousov kostik...@gmail.com: I believe that the nearest action that is quite reasonable and profitable by its own merit is divorcing base compiler and compiler used to build ports. Even if this means that we would only have different versions of gcc. On a similar note, has

Re: c question: *printf'ing arrays

2009-07-04 Thread Igor Mozolevsky
2009/7/4 Giorgos Keramidas keram...@ceid.upatras.gr: [snip] s/0x%/%#.2hh/g -- Igor ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to

Re: c question: *printf'ing arrays

2009-06-30 Thread Igor Mozolevsky
2009/6/30 Alexander Best alexbes...@math.uni-muenster.de: that works, but i really want to have a pretty output to stdout. i guess i have to stick with printf and use `for (i=0; i sizeof(XXX); i++)` for each array in the struct. just thought i could avoid it. btw. `./my-program | hexdump`

Re: c question: *printf'ing arrays

2009-06-30 Thread Igor Mozolevsky
2009/6/30 Alexander Best alexbes...@math.uni-muenster.de: thanks. but that simply dumps the contents of the struct to stdout. but since most of the struct's contents aren't ascii the output isn't really of much use. How about ./your-program | hexdump ? -- Igor

Re: c question: *printf'ing arrays

2009-06-30 Thread Igor Mozolevsky
2009/6/30 Alexander Best alexbes...@math.uni-muenster.de: should be stdout. struct Header *hdr = rom; int new_fd = open(/dev/stdout, O_RDWR); printf(SIZE: %d\n,sizeof(*hdr)); write(new_fd, hdr, sizeof(*hdr)); close(new_fd); You should really be checking what open returns, opening

Re: open(2) and O_NOATIME

2008-10-31 Thread Igor Mozolevsky
2008/10/31 Jeremy Chadwick [EMAIL PROTECTED]: ... If that's what you were referring to, then possibly making O_NOATIME only to root would be a suitable compromise. And no systems are compromised with rootkits?.. Igor :-) ___

Re: SSH Brute Force attempts

2008-09-30 Thread Igor Mozolevsky
2008/9/30 Oliver Fromme [EMAIL PROTECTED]: Bill Moran wrote: In response to Oliver Fromme [EMAIL PROTECTED]: Pierre Riteau wrote: Because the 3-way handshake ensures that the source address is not being spoofed, more aggressive action can be taken based on these

Re: Possible bug (amd64/i386)

2008-09-06 Thread Igor Mozolevsky
2008/9/6 Jeroen Ruigrok van der Werven [EMAIL PROTECTED]: -On [20080906 20:41], Alexander Sizov ([EMAIL PROTECTED]) wrote: Sep 5 00:34:38 test kernel: seScyonncdisn)g fdoirs kssy,s tvenmo dperso creesmsa i`nsiynngc.e.r.' to3 stop...0 0 done On my AMD64 box (using 32 bit FreeBSD due to the

Re: Sysinstall is still inadequate after all of these years

2008-07-03 Thread Igor Mozolevsky
2008/7/3 Doug Barton [EMAIL PROTECTED]: 1. It should be library-based and therefore be capable of supporting at least a few different UIs (see above). 2. At least one of those UIs should be functional over a standard serial console. 3. It should be scriptable. I was thinking of doing it,

Re: Summer of Code 2008 Project Ideas

2008-03-17 Thread Igor Mozolevsky
On 17/03/2008, Murray Stokely [EMAIL PROTECTED] wrote: The FreeBSD Project was again accepted as a mentoring organization for the Google Summer of Code. The student application period will begin next week so if you have any ideas for great student projects, please send them to [EMAIL

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-25 Thread Igor Mozolevsky
On 24/02/2008, Bill Moran [EMAIL PROTECTED] wrote: Igor Mozolevsky [EMAIL PROTECTED] wrote: [snip] IMO the possibility of such attack is so remote that it doesn't really warrant any special attention, it's just something that should be kept in mind when writing secure crypto stuff

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-25 Thread Igor Mozolevsky
On 25/02/2008, Bill Moran [EMAIL PROTECTED] wrote: In response to Igor Mozolevsky [EMAIL PROTECTED]: Crypto is merely a way of obfuscating data, and we all know the truth about security by obscurity, right? I don't think you correctly understand the concept of security through

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-24 Thread Igor Mozolevsky
On 24/02/2008, Bill Moran [EMAIL PROTECTED] wrote: Igor Mozolevsky [EMAIL PROTECTED] wrote: On 23/02/2008, Brooks Davis [EMAIL PROTECTED] wrote: You should actually read the paper. :) They successfully defeat both of these type of protections by using canned air to chill

Re: Security Flaw in Popular Disk Encryption Technologies

2008-02-23 Thread Igor Mozolevsky
On 23/02/2008, Brooks Davis [EMAIL PROTECTED] wrote: You should actually read the paper. :) They successfully defeat both of these type of protections by using canned air to chill the ram and transplanting it into another machine. Easy to get around this attack - store the key on a usb