Linux NFS & RPC Implementation

2008-04-16 Thread Usman S. Ansari
Hello, I am modifying Linux NFS implementation to work with TOE (TCP offload engine). For this purpose I am looking for Linux RPC implementation flow or design document. Basically anything which will help me understand rpc use of TCP stack and socket interface. If there is more appropiate plac

Re: RFC: Self-snapshotting in Linux

2008-04-16 Thread Ben Nizette
On Wed, 2008-04-16 at 16:44 +0800, Peter Teoh wrote: > Essentially, to reiterate the key idea: able to snapshot the current > kernel+userspace permanent.restore from another snapshotand > then switch back again if needed etc.will the implementation be > difficult...if not impossible?

Re: RFC: Self-snapshotting in Linux

2008-04-16 Thread Greg Freemyer
On Wed, Apr 16, 2008 at 4:44 AM, Peter Teoh <[EMAIL PROTECTED]> wrote: > Sorry if this is a a crazy idea.just be forewarned > > First, I would like to make a reference to VMWare's snapshot (name not > important, emphasize the idea) feature - hopefully u are familiar with > it. This is

regarding delayed ACK

2008-04-16 Thread Mulyadi Santosa
Hi... Reading this... http://www.stuartcheshire.org/papers/NagleDelayedAck/ I am thinking, does this implicitly means, on every OS that implements delayed ACK, i better send small data but continously, rather than big one but intermittently? And, what about the side effect of dynamic window siz

Re: Config for frambuffers.

2008-04-16 Thread Yogesh Tillu
hi, please tryout fbtest program. On Wed, 2008-04-16 at 15:19 +0530, venkatram ajmeera wrote: > Hi all, > > I interested to work with frmabuffers I tried some sample programms > but no such device kind of problem Ia mgetting please tryout different device node like /dev/fb1. > > SO plz tell me

Re: RFC: Self-snapshotting in Linux

2008-04-16 Thread Pavel Machek
> Sorry if this is a a crazy idea.just be forewarned > > First, I would like to make a reference to VMWare's snapshot (name not > important, emphasize the idea) feature - hopefully u are familiar with > it. This is a feature whereby u can freeze the entire OS (kernel + > userspace applic

Re: given a particular CONFIG_XXXX in the .config how do u find more information about it?

2008-04-16 Thread Peter Teoh
On top of the following method, I just discover a new website that provide identical information: http://cateee.net/lkddb/ and here u can find the detailed list: http://cateee.net/lkddb/web-lkddb/ On Fri, Apr 4, 2008 at 2:33 PM, Peter Teoh <[EMAIL PROTECTED]> wrote: > The hidden secret lies ins

RE: schedular..

2008-04-16 Thread Rajat Jain
Hi, I'll add my 10 cents in addition to what others have already said... > Who schedule the schedular? I mean , let linux uses round-robin > scheduling policy, with some time slice say 'x'. So process can run > upto x time slice and if not finished it is preemted and schedular > schedule another

Re: RFC: Self-snapshotting in Linux

2008-04-16 Thread Scott Lovenberg
Peter Teoh wrote: Sorry if this is a a crazy idea.just be forewarned First, I would like to make a reference to VMWare's snapshot (name not important, emphasize the idea) feature - hopefully u are familiar with it. This is a feature whereby u can freeze the entire OS (kernel + userspac

Re: RFC: Self-snapshotting in Linux

2008-04-16 Thread Pranav Peshwe
On Wed, Apr 16, 2008 at 2:14 PM, Peter Teoh <[EMAIL PROTECTED]> wrote: > Sorry if this is a a crazy idea.just be forewarned > > First, I would like to make a reference to VMWare's snapshot (name not > important, emphasize the idea) feature - hopefully u are familiar with > it. This is a

Re: frame buffers probs

2008-04-16 Thread Erik Mouw
On Wed, Apr 16, 2008 at 11:38:12AM +0530, venkatram ajmeera wrote: > I hvae downloaded framebuffer example source code from > ftp://ftp.nocrew.org/pub/osis/ofbis/ofbis-0.0.10.tar.gz , but it is giving > Open fail on dev/fb0 : no such device . plz help me out what is wrong. Error messages don't

Config for frambuffers.

2008-04-16 Thread venkatram ajmeera
Hi all, I interested to work with frmabuffers I tried some sample programms but no such device kind of problem Ia mgetting SO plz tell me how to configure for Framebuffers in linux FC , its gretat help to me. Thanking you advance

PCI->APIC IRQ transform

2008-04-16 Thread BJörn Lindqvist
Hello all! I have a question about how the kernel assigns interrupt levels to PCI cards. I think that lines like these: <6>PCI->APIC IRQ transform: :00:1f.1[A] -> IRQ 169 means that the device at PCI address :00:1f.1 is assigned the interrupt 169 on the APIC board. So when I boot, I get

Re: schedular..

2008-04-16 Thread Mulyadi Santosa
hi On Wed, Apr 16, 2008 at 11:22 AM, shyam Burkule <[EMAIL PROTECTED]> wrote: > > I was reading about schedular.. i have following question.. > > Who schedule the schedular? scheduler is just a code path without "task entity". it runs on behalf on any running code path... basically, it is trigge

Re: kernel preemption does not work

2008-04-16 Thread Scott Lovenberg
Peter Teoh wrote: On Fri, Apr 11, 2008 at 4:57 PM, Scott Lovenberg <[EMAIL PROTECTED]> wrote: Yeah, FWIW, none of the server distros compile preemption in; it's only really for desktop responsiveness, and even then, I think its value may be marginal (at this time - I think it will mature).

RFC: Self-snapshotting in Linux

2008-04-16 Thread Peter Teoh
Sorry if this is a a crazy idea.just be forewarned First, I would like to make a reference to VMWare's snapshot (name not important, emphasize the idea) feature - hopefully u are familiar with it. This is a feature whereby u can freeze the entire OS (kernel + userspace application runnin

Re: RFC: Self-snapshotting in Linux

2008-04-16 Thread eric miao
Hibernation maybe ... try "echo "disk" > /sys/power/state" On Wed, Apr 16, 2008 at 4:44 PM, Peter Teoh <[EMAIL PROTECTED]> wrote: > Sorry if this is a a crazy idea.just be forewarned > > First, I would like to make a reference to VMWare's snapshot (name not > important, emphasize the ide

Re: schedular..

2008-04-16 Thread Peter Teoh
On Wed, Apr 16, 2008 at 12:22 PM, shyam Burkule <[EMAIL PROTECTED]> wrote: > > I was reading about schedular.. i have following question.. > > Who schedule the schedular? I mean , let linux uses round-robin scheduling > policy, with some time slice say 'x'. So process can run upto x time slice > an

Re: schedular..

2008-04-16 Thread Peter Teoh
On Wed, Apr 16, 2008 at 12:22 PM, shyam Burkule <[EMAIL PROTECTED]> wrote: > > I was reading about schedular.. i have following question.. > > Who schedule the schedular? I mean , let linux uses round-robin scheduling > policy, with some time slice say 'x'. So process can run upto x time slice > an

Re: How many kernel threads will be created

2008-04-16 Thread sahlot arvind
Ok. My turn - User Process - There is nothing like kernel process. Its just user process, which sometimes executes in user mode and sometimes in kernel mode. User Thread - Linux doesnt have the concept of thread. It does not implement threads separately. Thread is just a process for linux. However