Re: Problem compiling emulators/virtualbox-ose-kmod 4.1.8_2
Hi, I have the same error with virtualbox-ose-kmod 4.1.10 but only with FreeBSD 8.0 and 8.0-p2. With FreeBSD 8.2, no problem. Hope this help you for investigating this bug since I need it working on FreeBSD 8.0. Regards -- View this message in context: http://freebsd.1045724.n5.nabble.com/Problem-compiling-emulators-virtualbox-ose-kmod-4-1-8-2-tp5561048p5597254.html Sent from the freebsd-questions mailing list archive at Nabble.com. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Off-Topic: Computing for the Blind
On Mon, 26 Mar 2012 18:50:06 -0400 Robert Huff articulated: Polytropon writes: Speech recognition requires training. Both the user and the system have to learn from each other. But you have a learning curve everywhere, be it typing, talking, or reading from a Braille output. In the case of speech recognition, that's a curve many might be willing to travel if they had reason to believe it was effort wisely invested. There are a couple of ports that cleim to do speech recognition. Does anyone have experience with them? When it comes to speech recognition, the only two applications that seem to work reliably at all levels are Siri on iPhone 4S and Dragon NaturallySpeaking, neither of which are obviously available on FreeBSD. I don't believe that there is even a *nix/BSD version of Dragon NaturallySpeaking in production. In any case, I do have a friend who is severely vision impaired that uses that software with amazing results. She can definitely dictate a letter faster than I can manually create one. I did try two different ports two years ago and they were sadly lacking in their ability to achieve any true speech recognition. They were painfully slow to even get configured. I gave up within a few hours on the project. It was only an experiment anyway. I sincerely hope you can find a truly useful application to suit your needs. By the way, in the US anyway, there are many foundations that will give you financial assistance or grants to purchase software that will make your PC more readily available to you. I am not sure if that kind of support is available in your locale. -- Jerry ♔ Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the Reply-To header. __ ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Off-Topic: Computing for the Blind
On 03/27/12 20:41, Jerry wrote: On Mon, 26 Mar 2012 18:50:06 -0400 Robert Huff articulated: Polytropon writes: Speech recognition requires training. Both the user and the system have to learn from each other. But you have a learning curve everywhere, be it typing, talking, or reading from a Braille output. In the case of speech recognition, that's a curve many might be willing to travel if they had reason to believe it was effort wisely invested. There are a couple of ports that cleim to do speech recognition. Does anyone have experience with them? When it comes to speech recognition, the only two applications that seem to work reliably at all levels are Siri on iPhone 4S and Dragon NaturallySpeaking, neither of which are obviously available on FreeBSD. I don't believe that there is even a *nix/BSD version of Dragon NaturallySpeaking in production. In any case, I do have a friend who is severely vision impaired that uses that software with amazing results. She can definitely dictate a letter faster than I can manually create one. The biggest contender in ports is sphinx- libraries are used as a basis for siri and the google offering. This is apparently used by phone companies, etc. Each of which use teams of developers to get it working the way they want. Getting it to work on an individual basis... Apparently the results will primarily vary based on the dictionaries that are supplied, so it does mean one may work better than the other. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Off-Topic: Computing for the Blind
Jerry writes: There are a couple of ports that claim to do speech recognition. Does anyone have experience with them? I sincerely hope you can find a truly useful application to suit your needs. In my case, it's want, not need. (But that's the want of gee, there's this whole list of things which might be easier using voice recognition.) Robert Huff ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Off-Topic: Computing for the Blind
Polytropon writes: That's correct. However, unlike a Braille readout which gives tactile information (through the reader's hands), synthetic voice cannot easily accomodate to the reader's habits and reading speed. Scanning text is not possible as the generated voiced text is played in linear time, which means you cannot easily skip forward and backward, re-read a certain passage, and you basically do not come down to the letter level, you only have a word level. You are absolutely right on all counts. I was speaking from the standpoint of the amount of work and or extra expense that one would need to go through to get the interface fully operational. Nobody has yet figured out how to build a Braille display that is affordable, let's say 100 US Dollars or less for even one line of Braille much less a whole page or better yet a graphical screen that could display shapes and possibly textures that are not Braille characters. Prices of 5000 Dollars are not uncommon and single-line displays sell for well over 1000 Dollars anywhere you go. What is needed is a way to accomplish a tactile matrix that doesn't require precision machining or hand assembly for each pixel. That's why today's displays are so incredibly expensive and delicate. There are lots of neat ideas such as stimulators you might ware on your fingers as you move your hand over a large area, but making a tightly-packed matrix at almost microscopic level is still a pains-taking task. By the way, math done by any method other than Braille is darn next to useless. Equations in Braille can be formatted very much like they are in print and there is a whole Braille system for reading and writing math. So, I am not disagreeing at all with what you wrote here, just clarifying why I made the statements I made. While this has benefits in unconcentrated reading (e. g. reading an article or literature, it can be problematic with scientific or technical text where a (healthy) reader would let his eyes jump within the text stream. The thing I hate the most these days is the lost art of the linear declarative sentence. If the output of a program is some full-screen form in which the information one wants is in check boxes, you have to listen to the whole !%#%00--- thing just to find out whether or not it worked. There are usually one or two things we really wanted to know and the rest is unchanged but must be endured to get the one or two grains of wheat in all that chaff. Since it's full-screen stuff, it is hard to pipe to a script so I guess the artists are happy and the rest of us are just tapping our feet impatiently waiting for the water torture to end. Fortunately, unix operations are still relatively free from the worst GUI parlor tricks, but I use safari on a Mac to access some Windows-centric web sites related to work and they make me want to straighten out a horse shoe without a forge I get so mad at listening to the minutes of audio with the results of what I did always at or near the last of the text and there seems to be no way to stanch the deluge without loosing the gold nuggets. In conclusion, FreeBSD has been another wonderful open-source platform as far as I can say. Many of the systems I run it on here do not have sound cards and are either on virtual boxes, in other buildings or towns and so a speech or Braille console directly on the system isn't possible so I have always used some other device to provide accessibility and never been disappointed. After all, it's unix which means one can expect certain behaviors regarding standard devices. Martin ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Post-installation error on two disks
Hello all, I am trying to install FreeBSD 9.0 AMD64 on two hard drive disks, I followed the handbook and I make this configuration : My two HDD : - ada0 : OCZ Vertex 2 40 GB (GPT) - ada1 : Western Digital VelociRaptor 150 GB (GPT) The setup : DiskPartition Type Size Mountpoint Label ada0freebsd-boot512K ada0freebsd-ufs 25G/exrootfs ada0freebsd-ufs 26G/var exvarfs ada1freebsd-ufs 135G /usr exusrfs ada1freebsd-ufs 4G /tmp extmpfs I commit and the installation ended with no error. But when I reboot : could not find file system superblock the following file system had an unexpected inconsistency ufs /dev/ada1p2 (/tmp) I tried many configurations (switching disk/partitions/slices), but the last partition of my WD fails always. Is my HDD unsupported, have you got an idea? For you help, In advance, Thanks. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Post-installation error on two disks
Tue, 27 Mar 2012 20:46:55 +0200 tarihinde Kata Goto black.katag...@gmail.com yazmış: I commit and the installation ended with no error. But when I reboot : could not find file system superblock the following file system had an unexpected inconsistency ufs /dev/ada1p2 (/tmp) I tried many configurations (switching disk/partitions/slices), but the last partition of my WD fails always. Is my HDD unsupported, have you got an idea? Boot system in single mode and run fsck on all partitions of WD drive. I hope it fixes -- Gökşin Akdeniz goksin.akde...@gmail.com pgpmpAtcWB6RZ.pgp Description: PGP signature
Re: Vivaldi Tablet
On Tue, Mar 27, 2012 at 11:28:50AM +1000, Da Rock wrote:
Date: Tue, 27 Mar 2012 11:28:50 +1000
From: Da Rock freebsd-questi...@herveybayaustralia.com.au
Subject: Re: Vivaldi Tablet
To: Chuck Swiger cswi...@mac.com
Cc: freebsd-questions@freebsd.org
On 03/27/12 09:32, Chuck Swiger wrote:
On Mar 26, 2012, at 4:07 PM, Da Rock wrote:
To explain the major hurdle in porting to a tablet, you'd need to probably
find an alternative windowing solution then Xorg (low memory, especially in
vivaldi)- I'm not 100% sure what iOS and Android use.
iOS uses a descendant of the Display PostScript WindowServer from NEXTSTEP,
although the locals have switched over to Core Graphics with Quartz as the
2D compositing engine [1], along with OpenGL ES for 3D.
Interesting... Android would be using something else obviously FOSS.
you guys have any thoughts about a tiny {7} keyboard
plugin? i'm wondering if my VBC project might work with
this tablet. i've never seen a keyboard that small. nice
tablet, tho.
gary
PS: i keep looking for tablets with a real keyboard. not
very much. So far... .
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Voice By Computer (for Universal Access): http:/www.thought.org/vbc
The 8.57a release of Jottings: http://jottings.thought.org
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Re: Vivaldi Tablet
Jumping in a bit late. I have had a goal of FreeBSD on a slate/tablet
computer for roughly ten years. The comments in this thread echo my
experience. Put simply, the primary focus of FreeBSD has been as a server.
The Gnome team has worked hard to bring the OS to the desktop, with limited
success.
There are many things required before my slate concept can be realized.
o power management
o pen digitizer interface
o HWR
o pen friendly UI comparable to Newton OS
o components that support a self-made (maker) approach to the hardware
I still hold on to my goal. No telling when enough people will get
interested.
On Mar 27, 2012 9:46 AM, Gary Kline kl...@thought.org wrote:
On Tue, Mar 27, 2012 at 11:28:50AM +1000, Da Rock wrote:
Date: Tue, 27 Mar 2012 11:28:50 +1000
From: Da Rock freebsd-questi...@herveybayaustralia.com.au
Subject: Re: Vivaldi Tablet
To: Chuck Swiger cswi...@mac.com
Cc: freebsd-questions@freebsd.org
On 03/27/12 09:32, Chuck Swiger wrote:
On Mar 26, 2012, at 4:07 PM, Da Rock wrote:
To ex...
you guys have any thoughts about a tiny {7} keyboard
plugin? i'm wondering if my VBC project might work with
this tablet. i've never seen a keyboard that small. nice
tablet, tho.
gary
PS: i keep looking for tablets with a real keyboard. not
very much. So far... .
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ht...
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Gary Kline kl...@thought.org http://www.thought.org Public Service Unix
Voice By Computer (for Universal Access): http:/www.thought.org/vbc
The 8.57a release of Jottings: http://jottings.thought.org
Twenty-five years of service to the Unix community.
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Re: Off-Topic: Computing for the Blind
Jerry je...@seibercom.net wrote: When it comes to speech recognition, the only two applications that seem to work reliably at all levels are Siri on iPhone 4S and Dragon NaturallySpeaking, neither of which are obviously available on FreeBSD. I don't believe that there is even a *nix/BSD version of Dragon NaturallySpeaking in production. The Windows version of Dragon NaturallySpeaking is, however, reputed to work well on wine, which is in ports. One of the D-NS developers (or maybe it was a tech support person) was helping out on the wine-users forum for a while; I don't recall having seen her post there recently, but this _might_ be because D-NS is working so well with recent wine versions that no one needs help with it. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Vivaldi Tablet
On 03/28/12 08:03, Open Slate wrote:
Jumping in a bit late. I have had a goal of FreeBSD on a slate/tablet
computer for roughly ten years. The comments in this thread echo my
experience. Put simply, the primary focus of FreeBSD has been as a server.
The Gnome team has worked hard to bring the OS to the desktop, with limited
success.
There are many things required before my slate concept can be realized.
o power management
o pen digitizer interface
o HWR
o pen friendly UI comparable to Newton OS
o components that support a self-made (maker) approach to the hardware
I still hold on to my goal. No telling when enough people will get
interested.
+1
I'm not sure the pen interface is particularly necessary, but the touch
screen should be able to handle both pen and finger touch.
Another thought is in the apps to be used with the tablet- obviously
they need to be binary packages, so that presents another problem there
(as has come up on this list many times).
As for the last, I have yet to find a whitebox laptop (particularly
AMD based); apart from the dev kits I haven't seen any whitebox
tablets either.
On Mar 27, 2012 9:46 AM, Gary Klinekl...@thought.org wrote:
On Tue, Mar 27, 2012 at 11:28:50AM +1000, Da Rock wrote:
Date: Tue, 27 Mar 2012 11:28:50 +1000
From: Da Rockfreebsd-questi...@herveybayaustralia.com.au
Subject: Re: Vivaldi Tablet
To: Chuck Swigercswi...@mac.com
Cc: freebsd-questions@freebsd.org
On 03/27/12 09:32, Chuck Swiger wrote:
On Mar 26, 2012, at 4:07 PM, Da Rock wrote:
To ex...
you guys have any thoughts about a tiny {7} keyboard
plugin? i'm wondering if my VBC project might work with
this tablet. i've never seen a keyboard that small. nice
tablet, tho.
gary
PS: i keep looking for tablets with a real keyboard. not
very much. So far... .
Isn't that the point of a tablet? To touch rather than type? Otherwise
it becomes just a disjointed laptop... :)
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Voice By Computer (for Universal Access): http:/www.thought.org/vbc
The 8.57a release of Jottings: http://jottings.thought.org
Twenty-five years of service to the Unix community.
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Re: Off-Topic: Computing for the Blind
On 03/28/12 15:28, per...@pluto.rain.com wrote: Jerryje...@seibercom.net wrote: When it comes to speech recognition, the only two applications that seem to work reliably at all levels are Siri on iPhone 4S and Dragon NaturallySpeaking, neither of which are obviously available on FreeBSD. I don't believe that there is even a *nix/BSD version of Dragon NaturallySpeaking in production. The Windows version of Dragon NaturallySpeaking is, however, reputed to work well on wine, which is in ports. One of the D-NS developers (or maybe it was a tech support person) was helping out on the wine-users forum for a while; I don't recall having seen her post there recently, but this _might_ be because D-NS is working so well with recent wine versions that no one needs help with it. That would be really useful. Keeping that one in the memory banks... ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Vivaldi Tablet
On Tue, Mar 27, 2012 at 04:26:29PM -0700, Chuck Swiger wrote:
Date: Tue, 27 Mar 2012 16:26:29 -0700
From: Chuck Swiger cswi...@mac.com
Subject: Re: Vivaldi Tablet
To: Gary Kline kl...@thought.org
Cc: FreeBSD - freebsd-questions@freebsd.org
X-Mailer: Apple Mail (2.1084)
On Mar 27, 2012, at 12:40 PM, Gary Kline wrote:
you guys have any thoughts about a tiny {7} keyboard
plugin? i'm wondering if my VBC project might work with
this tablet. i've never seen a keyboard that small. nice
tablet, tho.
7 is too small for a QUERTY layout...you just can't do that without 11-12
of space. There have been folks working on one-handed chord keyboards
which might fit into that space, but they have a steep learning curve.
Regards,
--
-Chuck
how about the eee-701s? they are no mo' but used to have a
70% of full size keyboard. my eee-900A had All the std
keys. do we really need the F[n] keys?
anyway, if not a tiny kybd, maybe a small one.
Another thought: isnt there a rubber keyboard that rolls up
or folds in half? IIRC, the keys do compress [about one
mm],
and with the heavy THUNK sound:: hey.
anyway/nutshell, i do like this vivaldi tablet. =if= it had
a thunkable and real keybd.
gary
PS critical note. am i mis-remembering, or did someone say
that eee//ASUS was going to make a *quality* ten inch
netbook? my VBC WOUld work seriously well on that.
anybody??
--
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Voice By Computer (for Universal Access): http:/www.thought.org/vbc
The 8.57a release of Jottings: http://jottings.thought.org
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Re: Vivaldi Tablet
On Tue, 27 Mar 2012 17:21:45 -0700, Gary Kline wrote: how about the eee-701s? they are no mo' but used to have a 70% of full size keyboard. my eee-900A had All the std keys. do we really need the F[n] keys? anyway, if not a tiny kybd, maybe a small one. Maybe I can suggest the Happy Hacking keyboard here? It's small in size and popular amnong hackers. It does not have PF keys (those can be emulated by Fn+number, comparable to Alt+number on early 3270's). Its dimensions are about 11 x 4.5 x 1.5 at less than 1.5Lb weight. However, this is an external (USB2) keyboard. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ... ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Off-Topic: Computing for the Blind
On Tue, 27 Mar 2012 08:21:04 -0500, Martin McCormick wrote:
By the way, math done by any method other than Braille
is darn next to useless. Equations in Braille can be formatted
very much like they are in print and there is a whole Braille
system for reading and writing math.
Interesting, I didn't know that. However, LaTeX allows
writing (and typesetting) math on a pure text basis
which may be interesting to authors who are unable to
access a GUI-driven formula editor. Of course there is
another learning courve here. But nothing does prohibit
a blind scientist to write his stuff himself, read it
himself; things as $\bar{x}=\frac{\sum_{i=1}^{n}({x_i})}{n}$
can be quite easily be used if you have learned few
relatively simple things: typing on the keyboard,
using a powerful editor, the LaTeX language, and
maybe Braille. This way, an author can concentrate
on content, while the tools step into the background
and let him just do his stuff.
After all, it's unix which means one can expect
certain behaviors regarding standard devices.
As long as the devices play nice... :-)
--
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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Re: Vivaldi Tablet
On Wed, Mar 28, 2012 at 02:37:49AM +0200, Polytropon wrote: Date: Wed, 28 Mar 2012 02:37:49 +0200 From: Polytropon free...@edvax.de Subject: Re: Vivaldi Tablet To: Gary Kline kl...@thought.org Cc: freebsd-questions@freebsd.org X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) On Tue, 27 Mar 2012 17:21:45 -0700, Gary Kline wrote: how about the eee-701s? they are no mo' but used to have a 70% of full size keyboard. my eee-900A had All the std keys. do we really need the F[n] keys? anyway, if not a tiny kybd, maybe a small one. Maybe I can suggest the Happy Hacking keyboard here? It's small in size and popular amnong hackers. It does not have PF keys (those can be emulated by Fn+number, comparable to Alt+number on early 3270's). Its dimensions are about 11 x 4.5 x 1.5 at less than 1.5Lb weight. However, this is an external (USB2) keyboard. in jan or feb i bought a mini sized kybd. it is i think 11.5 long. it save loads of travel time for my finger and shoulder. I Did ck the ASUS Website a few days ago, but couldnt be sure of anything. thats why i asked -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ... -- Gary Kline kl...@thought.org http://www.thought.org Public Service Unix Voice By Computer (for Universal Access): http:/www.thought.org/vbc The 8.57a release of Jottings: http://jottings.thought.org Twenty-five years of service to the Unix community. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Vivaldi Tablet
On Wed, Mar 28, 2012 at 02:37:49AM +0200, Polytropon wrote: On Tue, 27 Mar 2012 17:21:45 -0700, Gary Kline wrote: how about the eee-701s? they are no mo' but used to have a 70% of full size keyboard. my eee-900A had All the std keys. do we really need the F[n] keys? anyway, if not a tiny kybd, maybe a small one. Maybe I can suggest the Happy Hacking keyboard here? It's small in size and popular amnong hackers. It does not have PF keys (those can be emulated by Fn+number, comparable to Alt+number on early 3270's). Its dimensions are about 11 x 4.5 x 1.5 at less than 1.5Lb weight. However, this is an external (USB2) keyboard. I was thinking of mentioning the Happy Hacking keyboard, but I see you beat me to it. I have not used one for more than a few minutes once, though. Does the Fn+number work with Ctrl+Alt+Fnumber combination to move around between TTY consoles? -- Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ] ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Vivaldi Tablet
On Tue, 27 Mar 2012 19:48:34 -0600, Chad Perrin wrote: On Wed, Mar 28, 2012 at 02:37:49AM +0200, Polytropon wrote: On Tue, 27 Mar 2012 17:21:45 -0700, Gary Kline wrote: how about the eee-701s? they are no mo' but used to have a 70% of full size keyboard. my eee-900A had All the std keys. do we really need the F[n] keys? anyway, if not a tiny kybd, maybe a small one. Maybe I can suggest the Happy Hacking keyboard here? It's small in size and popular amnong hackers. It does not have PF keys (those can be emulated by Fn+number, comparable to Alt+number on early 3270's). Its dimensions are about 11 x 4.5 x 1.5 at less than 1.5Lb weight. However, this is an external (USB2) keyboard. I was thinking of mentioning the Happy Hacking keyboard, but I see you beat me to it. I have not used one for more than a few minutes once, though. Does the Fn+number work with Ctrl+Alt+Fnumber combination to move around between TTY consoles? As far as I remember, it does. I don't have a HHK here to check. From what I know, the keyboard generates the proper codes internally, so Fn+number is equivalent to PF number in any regards, and therefore any combination with Ctrl and/or Alt should also work as expected. To the computer, it should be no difference from a real keyboard. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ... ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Vivaldi Tablet
On Wed, Mar 28, 2012 at 03:54:03AM +0200, Polytropon wrote: On Tue, 27 Mar 2012 19:48:34 -0600, Chad Perrin wrote: I was thinking of mentioning the Happy Hacking keyboard, but I see you beat me to it. I have not used one for more than a few minutes once, though. Does the Fn+number work with Ctrl+Alt+Fnumber combination to move around between TTY consoles? As far as I remember, it does. I don't have a HHK here to check. From what I know, the keyboard generates the proper codes internally, so Fn+number is equivalent to PF number in any regards, and therefore any combination with Ctrl and/or Alt should also work as expected. To the computer, it should be no difference from a real keyboard. My concern in this regard would be whether the keyboard knows that the Fn key is supposed to be applied to the Fnum key, and not to the Ctrl or Alt key. If neither the Ctrl or Alt key is modifiable by the Fn key, I guess that might be a non-issue, but I'm pretty sure that (for instance) the Fn key on a ThinkPad is meant to be used with only one other key at a time. It's just not meant to make up for the lack of standard keyboard keys, so there isn't any conflict. -- Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ] ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: freebsd 9.0-release + zfs + mysqld(percona) = kernel: swap zone exhausted, increase kern.maxswzone
On 03/27/12 02:32, Philip M. Gollucci wrote:
Some other tuning updates
$ zfs set zfs:zfs_nocacheflush = 1
$ sysctl vfs.zfs.prefetch_disable=1
$ cat /etc/my.cnf
skip-innodb-doublewrite
innodb_flush_log_at_trx_commit=2
$ zfs set primarycache=metadata zmysqlD
$ zfs set atime=off zmysqlD
$ zfs set recordsize=16k zmysqlD
but not on zmysqlL
my next plan is to turn off tmpfs and use ZVOL swaps then to simply use
just zroot/tmp as a normal dir.
after that I'll drastically increase maxswzone.
still hoping someone has already done this.
None of that made a difference; however I haven't tried the ZVOL swaps
yet b/c they're quite new and this after all production eventually.
so I've been reading up on maxswzone. Its seems to me that nobody
really understands it.
Fortunately it isn't used very much,
It works out to roughly 7.7GB from 32MB okay fine.
If I double it, that should give me 15.4GB from 64MB (still not enough).
If I 16x it that should give me 246GB from 512MB. Thats more my
physical ram + swap. Oh well.
I've seen John Baldwin write on lists
o) you have another problem if the default isn't enough
o) when it panics I pick up the crash dump swap info and do
#blocks in use*totalswblocks/maxswzone
o) setting it higher claims wired memory which can't be reused.
tuning(7) is from the 4.x days and is useless here.
something thats really confusing me is if the output from
$ vmstat -z |grep solaris is relevant
or the size of my swap itself
or if by upping maxswzone I'm taking away too much from zfs in the long run.
So tracing this below
kern.maxswzone=536870912 # = 16*(32*1024*1024)
vm.stats.vm.v_page_count: 24411488
n=12205744 ###n = cnt.v_page_count / 2;
if (maxswzone n maxswzone / sizeof(struct swblock))
n = maxswzone / sizeof(struct swblock);
struct swblock {
struct swblock *swb_hnext;
vm_object_t swb_object;
vm_pindex_t swb_index;
int swb_count;
daddr_t swb_pages[SWAP_META_PAGES];
};
if this is 43.98 bytes then the conditional is true; however its not
b/c the printf() message isn't written out below.
if (n2 != n)
printf(Swap zone entries reduced from %d to %d.\n,
which means the initial allocation succeeds with n=12205744 and not
maxswzone.
ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP
SWAPMETA: 288, 1864135, 0, 0, 0, 0, 0
So more than a little perplex by these size/limits and that none of its
used on a system thats running out of it.
subr_param.c:
---
longmaxswzone; /* max swmeta KVA storage */
SYSCTL_LONG(_kern, OID_AUTO, maxswzone, CTLFLAG_RDTUN, maxswzone, 0,
Maximum memory for swap metadata);
#ifdef VM_SWZONE_SIZE_MAX
maxswzone = VM_SWZONE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH(kern.maxswzone, maxswzone);
param.h:
/*
* Ceiling on amount of swblock kva space, can be changed via
* the kern.maxswzone /boot/loader.conf variable.
*/
#ifndef VM_SWZONE_SIZE_MAX
#define VM_SWZONE_SIZE_MAX (32 * 1024 * 1024)
#endif
swap_pager.c:
--
void
swap_pager_swap_init(void)
{
int n, n2;
//comments skipped
nsw_cluster_max = min((MAXPHYS/PAGE_SIZE), MAX_PAGEOUT_CLUSTER);
mtx_lock(pbuf_mtx);
nsw_rcount = (nswbuf + 1) / 2;
nsw_wcount_sync = (nswbuf + 3) / 4;
nsw_wcount_async = 4;
nsw_wcount_async_max = nsw_wcount_async;
mtx_unlock(pbuf_mtx);
/*
* Initialize our zone. Right now I'm just guessing on the number
* we need based on the number of pages in the system. Each swblock
* can hold 16 pages, so this is probably overkill. This reservation
* is typically limited to around 32MB by default.
*/
n = cnt.v_page_count / 2;
if (maxswzone n maxswzone / sizeof(struct swblock))
n = maxswzone / sizeof(struct swblock);
n2 = n;
swap_zone = uma_zcreate(SWAPMETA, sizeof(struct swblock), NULL, NULL,
NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE | UMA_ZONE_VM);
if (swap_zone == NULL)
panic(failed to create swap_zone.);
do {
if (uma_zone_set_obj(swap_zone, swap_zone_obj, n))
break;
/*
* if the allocation failed, try a zone two thirds the
* size of the previous attempt.
*/
n -= ((n + 2) / 3);
} while (n 0);
if (n2 != n)
printf(Swap zone entries reduced from %d to %d.\n, n2, n);
n2 = n;
/*
* Initialize our meta-data hash table. The swapper does not need to
* be quite as efficient as the VM system, so we do not use an
* oversized hash table.
*
* n: size of hash table, must be power of 2
*
Re: Spare disk
Previously I had machine with SATA disks on SATA controller and I used atacontrol. Now I prepare new machine with SATA disks on LSI SAS controller. I have 3 disk and I can create RAID1 with 2 mirrored disks + 1 spare disk. Joshua Isom píše v Ne 18. 03. 2012 v 14:24 -0500: What are you using to manage your raid? On 3/18/2012 12:38 PM, Marek černocký wrote: Hi, how can I add spare disk to RAID1 on FreeBSD 9? atacontrol has command addspare, but new camcontrol misses it. Regards Marv ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd..org ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
