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0answers
67 views

getting error while adding a system call

I'm using Ubuntu 12.04(64bit) and installed kernel version linux-2.6.37.3. My device is ASUS x201ev net-book(64 bit). I'm providing the link of procedure i used. i edited unistd_64.h file also and ...
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1answer
1k views

Adding system call to kernel 3.11 [closed]

What I want to do is add a dummy system call to the 3.11 Linux Kernel. What I did: Downloaded and extracted kernel v3.11 from kernel.org and placed it in /usr/src In file, ...
3
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2answers
375 views

Why is `csrss.exe` called every time I move the mouse?

After my windows xp sp3 boots and all cpu activity dimms, I observed what happens when I just move the mouse in circles on an empty spot on the desktop: First exporer.exe is called and then csrss.exe. ...
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2answers
71 views

Making the keyboard eject switch work

I am using Linux.My keyboard switch for ejecting the CDROM does not work though it displays an eject button on the screen. I need to make it work. I know ejecting a cdrom using system call is as ...
3
votes
3answers
177 views

Why is the setuid permission bit not set for mkdir in modern Unix systems?

Bach states the following: mkdir is a typical setuid program. Only a process with Effective UID root can create a folder. (Section 7.6, Page 229) I checked the permissions on it on Ubuntu ...
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5answers
1k views

Linux equivalent to Mac OS X's fs_usage

Is there a Linux equivalent to the Mac OS X command fs_usage? According to the man page it does the following: "report system calls and page faults related to filesystem activity in real-time". I ...
0
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1answer
423 views

Interrupt Descriptor Table and System Call Table?

Anyone please help me find out the relation between these two. Read somewhere that "The IDT is initialized one first time by the BIOS routine but Linux does it one more time when it take control." ...
2
votes
1answer
689 views

Why do strace/truss sometimes 'fix' stuck processes?

Sometimes you have a stuck process that's been stuck for a while, and as soon as you go to poke at it with strace/truss just to see what's going on, it gets magically unstuck and continues to run! So ...
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2answers
1k views

Guidelines for troubleshooting high interrupt rate

Sample readings: high or above normal interrupt rate (at idle), at approximately 1505/sec Information obtained from Process Explorer and Kernrate System calls approximately 6132/sec Context ...