Re: [9fans] simple question: multiple rename

translated into some unicode underscore type character. Definitely makes for easier plumbing. http://www.thenewsh.com/~newsham/x/machine/inferno-acme-space.jpg John Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] acme programming questions

events to acme? http://www.thenewsh.com/~newsham/x/9/acmewait.c Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] acme programming questions

2009/6/18 Tim Newsham : I've been trying my hand at some very simple acme programming tasks and have some questions.  I'm interested in a utility that translate dot into a filename:line-line range I think Edit = is what you want. more or less, except I want a program that I can

[9fans] off topic: UNIX turns 40 and 1st ed UNIX

pdf Paper: http://www.usenix.org/events/usenix09/tech/full_papers/toomey/toomey.pdf Video: http://minnie.tuhs.org/Z/toomey.mov Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] v9fs question

find sources? Ironic since Ubuntu came with the 9p kernel module) Or should I be using a different mount program for the purpose? The linux Documentation/filesystems/9p.txt should probably be updated with more details, either way. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] v9fs question

tails. I've tried several variants, such as thenewsh.com:/path with similar results. On Jul 11, 2009, at 1:46 PM, Tim Newsham wrote: The documentation in the linux kernel says you merely mount -t 9p ipaddress /mntpoint this fails on my system since /sbin/mount tries to execute /sbin/mou

Re: [9fans] v9fs question

ferno then p9sk1 or the inferno auth (whose name I forget) is the obvious choice. However, when talking just between several non-plan9 machines (ie. linux-linux) then other auth choices might make sense. How many 9p servers actually use auth? Most "file servers" are only accessed remotely th

Re: [9fans] v9fs question

any notion of mount namespace. Removes security concerns of per-process namespaces since you could never rebind over /etc/passwd or other important files. Downsides: Perhaps not possible. Mount/bind namespaces not universally present, only within certain mount points. ron Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] v9fs question

that people who have used UNIX for a long time have a natural aversion to the latter. Thanks,    Lucho Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] v9fs question

auxiliary command do the actual dial, authentication, etc? wouldn't that be simpler and just as versatile? The v9fs driver lets you mount from a file descriptor. Is this what you're asking for? Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Plan9 as an everyday OS

. It might be worthwhile to shoot for an interface like that. - Dan C. Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] Win32 9p, rangboom, etc

how to use the driver? Does anyone have any insights into Rangboom's progress - ie. are they still around, and making commercial progress? Is anyone working on an open source 9p filesystem driver for NT? Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Using Acme as an external Editor

eedback on some questions and got some good advice from Russ (http://9fans.net/archive/2009/06/292) but havent yet gone back and applied it. Aaron W. Hsu Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] vmware installation problems

This problem is only with plan9? yup. although it is plan9-inside-vmware, which could make a significant difference. And you said VMWare 2.x, which is exceedingly old... Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] vmware installation problems

it's the latest version of VMWare Fusion AFAIK... Ahh, my apologies. I had incorrectly assumed "VMWare Workstation". And you said VMWare 2.x, which is exceedingly old... Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] ceph

tion above are both used in conjunction with distributed map/reduce calculations. Calculations are done on the nodes where the data is stored... Thanks, Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] ceph

. The sort of thing NFS and AFS were built to accomplish. I *think* the folks at google also use GFS for shared $HOME (ie. to stash files they want to share with others). I could be wrong. Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] the old floppy set

erity, and hopefully at some point, shared for its educational and historic value. The legal issues will probably lead to the software being lost sooner or later, if not resolved... If someone is really, really inclined, please DO... There are lots of us who would be very grateful. Tim Ne

[9fans] audio standards -- too many to choose from

e to embrace and extend one of them... - Is there any interest in unifying the existing audio formats? - If so, is anyone interested in bouncing around ideas of what this format should look like? - What software exists for each of these formats? - Which format is the most "popular"? Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

hey be accepted back into the mainline or will it be viewed as unnecessary churn... How much do people even care about the audio drivers and they're interfaces at the present time? - erik Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

4k samples of 11khz mono audio in "sound" additionally it might be useful to support some of the stat features from usbaudio or plan9 audio(3), such as the ability to figure out the dma size, how much data is buffered, and the timing associated with samples being read. - erik Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

your hard drive, so long as all the samples are delayed by the same amount.. You can stream this clear across the country over all kinds of cut rate ISPs and still get satisfactory results with enough buffering.. Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

;. I'm considering the possibility of supporting alaw, ulaw, pcm8, pcm16 in big/little and signed/unsigned formats, and adpcm, using the hardware features... Russ Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

ure what the value of unifying those two interface is... Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

Still would love to hear if anyone knows the answer to these: - What software exists for each of these formats? - Which format is the most "popular"? Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

s (audio(3), usb(4) and inferno usb(3)) which software (p9 and limbo) uses each? - Which of these interfaces is used the most? Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Thrift RPC

t foo is (thats half the point). I personally like the XDR standard (I can do without NDR and BER/DER). Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] audio standards -- too many to choose from

been able to think of any. Perhaps just my lack of imagination. - erik Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] vga and vmware

vmware GuestID 5010 vmware CursorID 0001 vmware CursorX 02bf vmware CursorY 00bd vmware CursorOn 0001 vmware HostBpp 0020 vmware chan x8r8g8b8 vmware depth 32 vmware linear Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] vga and vmware

be (is it possible that the hardware register returns a different size after changing the mode?) Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] vga and vmware

1280x1024 not to. I plead ignorance on how the plan9 vga system is actually set up. - erik Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] new 9atom.iso

for the ones interested, the code is at http://src.oitobits.net/9null. i'm writing a README explaining how to compile and install. Are there plans for this to get folded into the mainline? iru Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] 9P on android

i < x.length; i++) _print(x.charCodeAt(i) + "\n"); Return: undefined 255 254 3 2 1 0 Eval: x = "\x00\x01\x02\x03\xfe\xff" Return: Dave Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] new 9atom.iso

should be removed from the list. There are alternatives, such as booting a live cd. Many other operating systems also keep their kernels on native filesystems and do not suffer because of it. uriel Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] new 9atom.iso

you don't really need to update it unless you change to a new filesystem not supported by the CD. - erik Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] new 9atom.iso

e cd as well, if I got it right. You could just dd or rawrite from windows, as well. Federico G. Benavento Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] nice quote

ly, in a style that makes reasoning about the code easy, and which doesnt require (but can coexist and support) garbage collection. "while(n--) *p++ = *q++;" is still quite elegant compared to many other expressive langauges. setjmp and longjmp are still quite powerful. Jason Catena Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] nice quote

;ve been writing a good bit of Haskell these days at work as well, mainly due to the fact that it's possible to write some fairly sophisticated code quickly, and even get pretty darned good performance out of it. I'm a big fan. Just want to make sure the hype isn't overblown. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] nice quote

anyone written any software recently? some prototypes for audio servers over 9p for and shim audio device drivers for various platforms to redirect local audio device requests to audio servers... Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Netbooting from Qemu

really not much different than an emulated nvram. Jerome Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] v9fs on android

uname=yourname,port=1234 1.2.3.4 /data/9 android# ls /data/9 Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] linux stats in last year from linuxcon

mance. - erik Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] linux stats in last year from linuxcon

ntainment properties). Roughly a 10 man-year effort for about 7.5kloc. Not something you'd likely be able to do yet against something linux- sized. the original problem posed was the "scalability of linux development". how does l4 help with linux' development problems

Re: [9fans] linux stats in last year from linuxcon

have done. - erik Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] linux stats in last year from linuxcon

own bugs. You can find out a lot more from their papers and websites: http://ertos.nicta.com.au/research/sel4/ http://ertos.nicta.com.au/research/l4.verified/ http://ertos.nicta.com.au/research/l4.verified/proof.pml Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] 9vx as a perfect proto environment

eze if you run a buggy program in acid with truss. is this with the latest 9vx or the bin snapshot? I know the snapshot didnt ignore SIGPIPE which would cause the whole vm to shutdown when writing to a socket that shut down. However, that should be fixed in the latest sources. Mathieu Tim Ne

Re: [9fans] inferno from hg does not build out of the box

ir -p ` committing a ".emptydir" file in each directory would be easier. Sam Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] mishandling empty lists - let's fix it

arguments == dont run" way. Then its just: l0 cat $args l0 chmod +x $args ... Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] IWP9 hack session

ron Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] android hacking?

st to people? Any other features of interest that I didnt mention? Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] android hacking?

, you dont have X. so you'd have to deal with inferno's graphics some other way (or just go text mode?) Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] android hacking?

d be a lot more work. ps: running native C code on the existing phones is fairly easy to do, although its probably not "really" android and may not be guaranteed to work on future phones. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] android hacking?

using the "adb" link and over tcp/ip to the wifi. Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] Sensor filesystem for android

ous effort into maintaining it. Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] Barrelfish

Rethinking multi-core systems as distributed heterogeneous systems. Thoughts? http://www.sigops.org/sosp/sosp09/papers/baumann-sosp09.pdf Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Barrelfish

use is kind of scary. The mention that "... the overhead of cache coherence restricts the ability to scale up to even 80 cores" is also eye openeing. If we're at aprox 8 cores today, thats only 5 yrs away (if we double cores every 1.5 yrs). Roman. Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Barrelfish

and, portable) are shared, from the paper. Btw, they have the source code up for free (http://www.barrelfish.org/release_20090914.html) which I supposed could be used to more definitively answer these questions with some effort... -eric Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Barrelfish

it sounds like the kernel (L4-like, supposedly tuned to the specific hardware) and the "monitor" (userland, portable) are shared, from the paper. I'm confused what you mean by "shared". ugh, I completely botched that.. I meant "replicated" not "

Re: [9fans] iwp9 video (was: iwp9 deadline extension)

Is video streaming going to happen? On Fri, Aug 28, 2009 at 12:13 PM, erik quanstrom wrote: > > If we've got 320kbps we can easily do the presentation via justin.tv > > or something similar. Alternatively, if we just want to set up e.g. an > > mpeg stream, I have machines that can proxy that. Tho

Re: [9fans] Two suggestions for ape (was: egrep for Plan9)

nor defects, and ran the result? Or bound in a dummy "ls" and "egrep" before executing the real configure script? Lets keep the infection contained. Thanks. Dmitry Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] Two suggestions for ape (was: egrep for Plan9)

ach work) made oskit: http://www.cs.utah.edu/flux/oskit/ the purpose of which was to borrow some of the hard parts to make writing research OSes easier. Thierry Laronde (Alceste) http://www.kergis.com/ Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] olpc + plan9

How do I get in touch with whoever worked on the OLP9C project? Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] android hacking?

We're currently designing a new (9p-based) interface for these kind of vector devices @gpm-dev. What's gpm-dev? Can you provide more info? cu Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] sed question (OT) (OT) (OT)

alpha. You should have added an extra "(OT)" to the subject line. I'm adding a few more just to be fair. Could have built it in less time than this thread has been running... then what have you been doing all this time? Bill Tim Newsham http://www.thenewsh.com/~newsham/

Re: [9fans] dtrace for plan 9

that's a scary idea. i wouldn't run anything like that outside of testing. and so why wouldn't i just write a bit of custom code? Some people find the idea of writing their own kernel code "scary". To those who don't I imagine d-trace has less appea

[9fans] npfs list dead?

Hi, I'm doing some work w/ npfs. There's a mailing list but it appears dead. Is anyone actively using and maintaining npfs? Is the mailing list the appropriate forum to discuss bugs and fixes? Tim Newsham http://www.thenewsh.com/~newsham/

[9fans] Announcing ninefs for win32

fs/ http://ninefs.googlecode.com/files/README.txt http://groups.google.com/group/ninefs Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] Announcing ninefs for win32

in windows stuff. Most likely when you ran "dokan /i a" (if you did, at all) it failed. If you're running on windows xp x64, you will need a dokan.sys that is compiled for your platform. The prebuilt one is for the 32-bit kernel. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] Booting plan9 kernel on olpc

s involved? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] Issue 9 ;-)

http://code.google.com/p/go/issues/detail?id=9 more entertaining (imo): http://code.google.com/p/go/source/list?r=0be68ce1d89d9b633329f806a6d074514a563b83 see names and dates on first four commits. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] usbd and boot

es it get accessed? If I plug in a usb disk, can I use it as the root filesystem? If so, what kind of root spec would I need to use? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] MIPS LSB compiler

m that you cannot express in go. A good, simple example is "map". Go would need generics to support it. Roman. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] MIPS LSB compiler

t over an array of ints you would need to write another function. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] Practical issue on using rc shell

n't be an issue. For interactive use it can be a pain if you are using a normal terminal environment. In plan9 you'd usually run rc in a rio window or in acme where the environment lets you edit and reuse commands from the scrollback. Thanks, Maurício Tim Newsham |

[9fans] geode / geode companion CS5536

Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: ehci_hcd Kernel modules: ehci-hcd 00: 22 10 95 20 06 00 30 02 02 20 03 0c 00 00 00 00 10: 00 b0 01 fe 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 22 10 95 20 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 00 00 Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] usb disks in plan9

ously configured data back, and other systems (ie. winxp) see the partitions I edited in plan9, but my /dev/sdU4.0 directory does not get "plan9" or other partition files (just ctl, data, raw). What gives? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] usb disks in plan9

acting up (it happens at times)... is anyone else using thumb drives with current plan9 sources successfully? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] usb disks in plan9

thing like "local!/dev/sdU4.0/data"? If I use something like partfs, I would have to hack this into the /sys/src/9/boot stuff, right? Is there any long term desire to allow booting off of USB drives? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] usb disks in plan9

i haven't written a sdorion 9load driver, so i cheat in a similar way. replace sda0 with the appropriate. I'm not using 9load, anyway. This machine has OFW and I'm using a small forth script in place of 9load. - erik Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] usb disks in plan9

here /dev/sdXX appears. oh yah, my simple hack just guesses two possible locations for the USB disk to appear... Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.combinary files boot/libboot.a8 bootpatch/libboot.a8 differ diff -c boot/boot.c bootpatch/boot.c boot/boot.c:306,313 - bootpatch

[9fans] 9p resource sharing [was: Scanners]

er the remote audio as an additional audio device. Why should all of your machines need a dvd drive, sound card, sdcard reader, etc.? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] 9p resource sharing [was: Scanners]

guys probably have some experience here that would be worth hearing. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] 9p resource sharing [was: Scanners]

. remote desktop access). - erik Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] 9p resource sharing [was: Scanners]

iling list). cu Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] remote usb?

Does remote USB make sense? Would it be possible to boot up a plan9 system on one machine, export its usb device to another machine and run usbd there and have the second machine make use of any usb device attached to the first machine? Would the latency be too high? Tim Newsham

Re: [9fans] ideas for helpful system io functions

copied would be the preconsumed data that you would have wanted to "unget". Sam Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] ideas for helpful system io functions

ed IO. Include unget() if you like. Write the library in a way that you can initialize it after a fork/exec to pick up state from the parent (ie. by taking two fds, reading the buffer from the first, and continuing on with the 2nd when it is exhausted). Is there much benefit in doing this in th

Re: [9fans] plan9port, drawterm cvs deprecated - use mercurial

Sorry for the inconvenience. Thank you for all the effort! Russ Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] 9p resource sharing [was: Scanners]

he network? What papers do you recommend looking at? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] small doc bug

ike it should be a simple fix; alas I'm ignorant when it comes to nroff/troff. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] small doc bug

o just the text rendered pages and uriel's website have the rendering issue. - erik Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] du and find

It is suggested to use du -a | awk '{print $2}' instead of find. But what if filename contains spaces? For example if file is named "foo bar" then awk will output "foo" only. What about du -a | sed 's/^[0-9]*//g' no loss on spaces in filenames. no

Re: [9fans] JVC Netbook works fine, except PCMCIA

00" Best regards, F. Caulier Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] breadth first walking

someone mentioned in the thread that it would be nice to be able to walk directory trees in breadth-first manner: http://www.thenewsh.com/~newsham/x/9/walk.c Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] 9vx access from Drawterm/cpu: patch and how-to

;t the 9vx "kernel" have its own notion of user id for each of the processes it hosts independant of the underlying unix user id? I thought only select parts of the system such as the unix file server cared about the unix user id. ~Mycroftiv 9gridchan.org Tim Newsham | www.t

Re: [9fans] Plan 9 on L4

; > I'm not announcing this as a project at this point, as I don't know what > the > > heck kind of time I'm going to have. > > Dave > > > > -- > YAMANASHI Takeshi > > -- Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] Plan 9 on L4

as a root server, shouldn't it be possible to compile it separately and embed the resulting binary? fwiw I haven't peekd at the code. Dave Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] parallels

sibly intrusive to the guest? Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

Re: [9fans] parallels

performance issue. Hoewever bochs is quite slow and supports some old ia32 system. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

[9fans] more videos

I put up some videos demonstrating Acme: http://thenewsh.blogspot.com/2010/01/acme-environment-in-plan9.html There are some other videos already on youtube, too. Tim Newsham | www.thenewsh.com/~newsham | thenewsh.blogspot.com

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