Re: Console Handover

2009-11-25 Thread Shankar Ganesh
On Thu, Nov 26, 2009 at 2:25 AM, Xiangfu Liu wrote: > Hi Shankar > what is your kernel command line? > there should something like: "console=ttyS0,57600n8" in your command line. > > Hi Xiangfu Liu, Thanks for your help. Here is my command line option. Yes, there is no console option . Let me add

Re: gpio-keys sync messages

2009-11-25 Thread Xiangfu Liu
Hi Matze try this code, I think you should only output when [ev.type == 1]: you can find the whole source code at :http://projects.qi-hardware.com/index.php/p/fn-handle/source/tree/master/ -- fd = open(argv[1], O_RDONLY); struct input_event ev; while (1) {

Re: Console Handover

2009-11-25 Thread Xiangfu Liu
Hi Shankar what is your kernel command line? there should something like: "console=ttyS0,57600n8" in your command line. Shankar Ganesh wrote: > Hi Friends, > > I am trying to understand how console hand over option is enabled in > kernel configuration. On my kernel default configuration, console

Console Handover

2009-11-25 Thread Shankar Ganesh
Hi Friends, I am trying to understand how console hand over option is enabled in kernel configuration. On my kernel default configuration, console is handed over to LCD diaplay from serial console. How do i enable console on both devices (serial & LCD )? is there any CONFIG value to be enabled ?

Re: Problem in Configuring UMAX Scanner

2009-11-25 Thread Kousik Maiti
Thanks Pei. Ya I tried this but no result :( When I try to scan the image I get the following message "Nov 26 10:16:20 kousik-desktop kernel: [61902.573885] usb 2-1: usbfs: process 24814 (scanimage) did not claim interface 0 before use" I also googled it but don't get any proper solution. Anyway

Overwriting sys_call_table entries

2009-11-25 Thread Fernand LONE SANG
Hi all, While playing with kernel data structures, I've been confronted to a huge mystery : my system freezes. I hope that someone on this mailing list could help me. For information, i use a 2.6.28 kernel for a x86_64 platform. These days, I've been trying to set up a kernel module based "root

Fwd: Accessing dentry structs and lists in the VFS

2009-11-25 Thread Sam Carter
Does anyone have any more suggestions on how I can achieve this? I've since tried walking through the directory lists with list_for_each() but the kernel crashes each time it is called. -- Forwarded message -- From: Sam Carter Date: 2009/11/22 Subject: Re: Accessing dentry structs

Re: cloud computing

2009-11-25 Thread Pei Lin
2009/11/25 Mauricio Mauad Menegaz Filho : > Hi! > > 2009/11/24 Pei Lin : >> i am just concerned about the security of cloud computing or >> distributed computing. >> if a hacker attacks one nodes of the computing servers, the all nodes >> which connect with it will get the wrong results. > > Not ne

Re: Problem in Configuring UMAX Scanner

2009-11-25 Thread Pei Lin
http://ubuntuforums.org/showthread.php?t=386804 maybe the root cause is the same with your issue. use google search the error message. "Failed to start scanner: Error during device I/O" There are a lot of post. maybe u can find out the solution. 2009/11/25 Kousik Maiti : > Thanks for reply. > I in

Re: cloud computing

2009-11-25 Thread Pei Lin
2009/11/25 Bernd Petrovitsch : > On Wed, 2009-11-25 at 00:09 +0800, Pei Lin wrote: >> i am just concerned about the security of cloud computing or >> distributed computing. >> if a hacker attacks one nodes of the computing servers, the all nodes >> which connect with it will get the wrong results.

Re: rusty russell's unreliable guide to locking still ... unreliable?

2009-11-25 Thread Robert P. J. Day
On Wed, 25 Nov 2009, Jason Nymble wrote: > On 25 Nov 2009, at 1:10 PM, Robert P. J. Day wrote: > > > > > i'm looking for a reasonably detailed guide to kernel locking as > > the basis for some writing, and potentially as a handout. i've > > yet to start perusing this: > > > > http://www.kernel.or

Re: rusty russell's unreliable guide to locking still ... unreliable?

2009-11-25 Thread Jason Nymble
On 25 Nov 2009, at 1:10 PM, Robert P. J. Day wrote: i'm looking for a reasonably detailed guide to kernel locking as the basis for some writing, and potentially as a handout. i've yet to start perusing this: http://www.kernel.org/doc/htmldocs/kernel-locking.html but if anyone has in the las

rusty russell's unreliable guide to locking still ... unreliable?

2009-11-25 Thread Robert P. J. Day
i'm looking for a reasonably detailed guide to kernel locking as the basis for some writing, and potentially as a handout. i've yet to start perusing this: http://www.kernel.org/doc/htmldocs/kernel-locking.html but if anyone has in the last little while, given that it was written in 2003, any

Re: Problem in Configuring UMAX Scanner

2009-11-25 Thread Kousik Maiti
Thanks for reply. I install and configure Xsane for UMAX Astra 4400 .Now I face new problem. Output of $sane-find-scanner -q found USB scanner (vendor=0x1606, product=0x0070, chip=rts8801/rts8891) at libusb:002:002 and $scanimage -L device `rts8891:libusb:002:002' is a UMAX Astra 4400 flatbed scan