Re: Signal delivery

2008-10-18 Thread Venky K Shankar
Mulyadi Santosa wrote: Hi On Thu, Oct 16, 2008 at 3:50 AM, Daniel Baluta [EMAIL PROTECTED] wrote: Hello , I want to understand how kernel handles signals delivering between processes. Can you guide me through kernel code , or provide some basics ideas. For basic idea, I could

Re: FYI: sched summary

2008-10-18 Thread Venky K Shankar
Henrik Austad wrote: Hi list! I've just finished writing up a summary of O(1) and CFS. It's still not completely done (I know of a few places where the wording is unfortunate), but it has reached the state where it can be read by others :-) This is my way of giving something back to this

Re: Stack Trace question

2008-10-04 Thread Venky K Shankar
Vaughn Clinton wrote: All, I've got a quick question about the stack trace below. I see the flags IRQ and EOI in this trace and would like to understand better what this means. My swag is that it's showing that the stack trace is running in interrupt context when the kernel panic'd. IRQ

unable to handle kernel NULL pointer dereference while opening a device

2008-08-09 Thread Venky K Shankar
hi kernel'ers : i have a kernel module in which i am trying to implement a simple device driver following the LDD3 book. currently i am only trying to open and close the device node. the module compiles fine and when insmod'ed it sets up the hooks using cdev_init() and cdev_add(). then i

Re: unable to handle kernel NULL pointer dereference while opening a device

2008-08-09 Thread Venky K Shankar
got it, looks like i did a accidental dd in vi :) On Saturday 09 August 2008 08:35:14 pm Venky K Shankar wrote: hi kernel'ers : i have a kernel module in which i am trying to implement a simple device driver following the LDD3 book. currently i am only trying to open and close the device