modprobe error with ndiswrapper [ please suggest why modprobe fails (or tell me the flow of modprobe)]

2009-08-11 Thread er krishna
Dear All, I have a simple problem in doing modprobe of ndiswrapper in case of driver of Intel Corporation PRO/Wireless 3945ABG Network Connection [8086:4222] card. The steps which I mentioned is as follows. Please help me if I am missing something. Sorry, this is specific about ndiswrapper, but

taskset vs. numactl

2009-08-11 Thread Tharindu Rukshan Bamunuarachchi
Dear All, In a NUMA enabled system, can we use taskset to bind process/thread to specific processor. According to following documentation, taskset does not work with NUMA system.

Re: Stack unwinding using kprobes

2009-08-11 Thread Basavaraj Dengi
Hi Thanks for your reply On Tue, Aug 11, 2009 at 10:38 AM, Mulyadi Santosa mulyadi.sant...@gmail.com wrote: Hello On Mon, Aug 10, 2009 at 11:07 PM, Basavaraj Dengibasavarajde...@gmail.com wrote: I am porting 'kdb' to omap3430 platform. for command 'mdp arg' [mdp is memory dump physical

Re: modprobe error with ndiswrapper [ please suggest why modprobe fails (or tell me the flow of modprobe)]

2009-08-11 Thread Erik Mouw
On Tue, 11 Aug 2009 11:37:03 +0530 er krishna erkris...@gmail.com wrote: I have a simple problem in doing modprobe of ndiswrapper in case of driver of Intel Corporation PRO/Wireless 3945ABG Network Connection [8086:4222] card. The steps which I mentioned is as follows. Please help me if I am

Re: modprobe error with ndiswrapper [ please suggest why modprobe fails (or tell me the flow of modprobe)]

2009-08-11 Thread er krishna
On Tue, Aug 11, 2009 at 3:17 PM, Erik Mouw m...@nl.linux.org wrote: On Tue, 11 Aug 2009 11:37:03 +0530 er krishna erkris...@gmail.com wrote: I have a simple problem in doing modprobe of ndiswrapper in case of driver of Intel Corporation PRO/Wireless 3945ABG Network Connection [8086:4222]

Queued Spin Lock.

2009-08-11 Thread Prasad Joshi
Hi All, I am working on Porting of a windows device driver to Linux. Windows has a notion of Queued Spinlock. I could not understand how it is different than normal spinlock, the document says it is faster than a normal spinlock. If any one is having more information on Queued Spinlock, please

Re: Queued Spin Lock.

2009-08-11 Thread Devesh Sharma
On Tue, Aug 11, 2009 at 4:12 PM, Prasad Joshiprasadjoshi...@gmail.com wrote: Hi All, I am working on Porting of a windows device driver to Linux. Windows has a notion of Queued Spinlock. I could not understand how it is different than normal spinlock, the document says it is faster than a

New kernel newbie column is up

2009-08-11 Thread Robert P. J. Day
Kernel and module debugging with gdb: http://cli.gs/LHaA4a. Enjoy. rday -- Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Annoying Kernel Pedantry. Web

Re: New kernel newbie column is up

2009-08-11 Thread Microbit_Ubuntu
On Tue, 2009-08-11 at 13:03 -0400, Robert P. J. Day wrote: Kernel and module debugging with gdb: http://cli.gs/LHaA4a. Enjoy. rday -- Robert P. J. Day Waterloo, Ontario, CANADA

Re: New kernel newbie column is up

2009-08-11 Thread Robert P. J. Day
On Wed, 12 Aug 2009, Microbit_Ubuntu wrote: Hi Robert and all, The article is quite interesting, however it seems hard to scratch together relevant (should read : not outdated thus wrong) on debugging kernel modules on a *remote* target... the plan is for that to be a column down the

Re: New kernel newbie column is up

2009-08-11 Thread Microbit_Ubuntu
On Tue, 2009-08-11 at 14:41 -0400, Robert P. J. Day wrote: On Wed, 12 Aug 2009, Microbit_Ubuntu wrote: Hi Robert and all, The article is quite interesting, however it seems hard to scratch together relevant (should read : not outdated thus wrong) on debugging kernel modules on a

Is read-only initramfs root possible?

2009-08-11 Thread David Wuertele
I've been trying to create a system with a read-only rootfs using initramfs, but I'm not having any luck. I've included ro on my command line and when I cat /proc/cmdline it reports ro like I expect. But when I type mount, I see this: rootfs on / type rootfs (rw) And I can create new files

Question about lock ordering.

2009-08-11 Thread Manish Katiyar
Hi, I was going through this code below and was confused why do we need lock ordering here. What is the problem that it is trying to prevent given that the corresponding unlocking doesn't care for the order. I assume lock orders are primarily needed to avoid deadlocks, and if they are then they

Re: Question about lock ordering.

2009-08-11 Thread shailesh jain
I haven't looked the code but ... You can unlock in any order, right ? because whatever happens you will always be able to unlock and it the locks are acquired in the same order throughout the system, then your system is guaranteed to make forward progress. As an exercise try coming up with