Re: surviving in lkml

2011-06-02 Thread Greg KH
On Thu, Jun 02, 2011 at 02:51:45AM +0100, João Eduardo Luís wrote: Quite nice presentation. Although I was hoping to see something stating the correct protocol to repost a question to the list, either because the previous one was ignored or just went by unnoticed. Just resend it.

Re: surviving in lkml

2011-06-02 Thread Stéphan Gorget
uh, it is written Sorry, we are unable to retrieve the document for viewing or you don't have permission to view the document. is there sthg wrong ? -- Stéphan Gorget ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org

Re: surviving in lkml

2011-06-02 Thread Althaf
That was an interesting share, it would nice to see a lkml-user-wiki to keep a log of lkml experience. - /althaf k backer/ ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

Re: OS Books suggestion

2011-06-02 Thread Javier Martinez Canillas
Also waiting anxiously for LDD 4 ! That is the book that got me started :D Another excellent (and more updated) book about Linux device drivers is: Essential Linux Device Drivers (http://amzn.to/bvELFI). Is a good complement to LDD3 because it explains how drivers are implemented for real

Re: questions for Linus

2011-06-02 Thread Javier Martinez Canillas
It just happened a few hours ago, so I think it might be a week or so before the video is posted to the web site.  I'll ask the orginizers and try to find out when it will show up. I'm sure there will be some news reports of the talk in a few days as well, there were lots of fun quotes that

Re: OS Books suggestion

2011-06-02 Thread Althaf
Have you had a look over here [1], though it is a bit outdated, it have enough information to kickstart linux kernel, after that move on to Understanding series from various authors. I highly recommend spending time with Modern OS by AST inorder to get good idea on operating systems in general.

Problems with disabling Optimization

2011-06-02 Thread Prabhu nath
Dear All, Disabling O2 and Os on Kernel building, I am getting the following error. Can you please help me in debugging this. Saw some info on the net, but could not resolve it. ERROR: intel_gmbus_is_forced_bit [drivers/gpu/drm/i915/i915.ko] undefined! ERROR: __udivdi3

show_regs vs dump_stack in watchdog_timer_fn

2011-06-02 Thread Daniel Baluta
Hello, Why the stack isn't always dumped in watchdog_timer_fn ([1])? Registers content is useful, but without a stack trace it's very hard to find the task which caused system softlockup. thanks, Daniel. [1] http://lxr.linux.no/linux+v2.6.39/kernel/watchdog.c#L292

Re: Problems with disabling Optimization

2011-06-02 Thread Dave Hylands
Hi Prabhu, On Thu, Jun 2, 2011 at 3:28 AM, Prabhu nath gprabhun...@gmail.com wrote: Dear All,    Disabling O2 and Os on Kernel building, I am getting the following error. Can you please help me in debugging this.    Saw some info on the net, but could not resolve it. ERROR:

Re: surviving in lkml

2011-06-02 Thread João Eduardo Luís
On Jun 2, 2011, at 7:57 AM, Greg KH wrote: On Thu, Jun 02, 2011 at 02:51:45AM +0100, João Eduardo Luís wrote: Quite nice presentation. Although I was hoping to see something stating the correct protocol to repost a question to the list, either because the previous one was ignored or just went

Re: surviving in lkml

2011-06-02 Thread Greg Freemyer
2011/6/2 João Eduardo Luís jecl...@gmail.com: On Jun 2, 2011, at 7:57 AM, Greg KH wrote: On Thu, Jun 02, 2011 at 02:51:45AM +0100, João Eduardo Luís wrote: Quite nice presentation. Although I was hoping to see something stating the correct protocol to repost a question to the list, either

Re: Implementing RFC 6056

2011-06-02 Thread Arjun S R
On Wed, Jun 1, 2011 at 03:11, Greg KH g...@kroah.com wrote: On Wed, Jun 01, 2011 at 12:38:34AM +0530, Arjun S R wrote: Hi, I would like implement RFC 6506 in linux kernel. It seems no one has implemented it. Its mainly about Transport protocol port randomisation. The fixed order[sequence of

Re: Implementing RFC 6056

2011-06-02 Thread Arjun S R
On Wed, Jun 1, 2011 at 03:11, Greg KH g...@kroah.com wrote: Post your patches on the netdev mailing list and see what they say about it there.  You might find that this isn't really needed as we already handle this properly through other means... Sorry, gmail is making something weird that

Fwd: Check Kernel Memory Allocation

2011-06-02 Thread Dev Null
-- Forwarded message -- From: Dev Null devnull...@gmail.com Date: Tue, May 31, 2011 at 4:08 PM Subject: Check Kernel Memory Allocation To: kernelnewbies Newbies kernelnewb...@nl.linux.org Hello, I wanted to know how much kernel and userspace memory is available on the Linux

Calling printk with locks held

2011-06-02 Thread Neil Baylis
I've just been told that it's not OK to call printk while holding a lock. This came as a surprise to me, as I've written thousands of lines of code that calls printk while holding multiple locks, and have not seen any problem. The only explanation I was given was that it can deadlock. Is this

Re: Implementing RFC 6056

2011-06-02 Thread Greg KH
On Thu, Jun 02, 2011 at 10:58:40PM +0530, Arjun S R wrote: On Wed, Jun 1, 2011 at 03:11, Greg KH g...@kroah.com wrote: On Wed, Jun 01, 2011 at 12:38:34AM +0530, Arjun S R wrote: Hi, I would like implement RFC 6506 in linux kernel. It seems no one has implemented it. Its mainly about

Re: Check Kernel Memory Allocation

2011-06-02 Thread Mulyadi Santosa
On Fri, Jun 3, 2011 at 01:05, Dev Null devnull...@gmail.com wrote: I wanted to know how much kernel and userspace memory is available on the Linux system during run-time either by some C code or some procfile. have you checked /proc/meminfo and its handler? -- regards, Mulyadi Santosa

Re: Check Kernel Memory Allocation

2011-06-02 Thread Dave Hylands
Hi Dev, I wanted to know how much kernel and userspace memory is available on the Linux system during run-time either by some C code or some procfile. Do you know how to do that? You can look in /proc/meminfo http://unixfoo.blogspot.com/2008/02/know-about-procmeminfo.html The memory is

Re: Calling printk with locks held

2011-06-02 Thread Dave Hylands
Hi Neil, On Thu, Jun 2, 2011 at 1:43 PM, Neil Baylis neil.bay...@gmail.com wrote: I've just been told that it's not OK to call printk while holding a lock. This came as a surprise to me, as I've written thousands of lines of code that calls printk while holding multiple locks, and have not