Forum: Kernel

Hi kernel experts, I have the following queries regarding the interrupt service routine context and process context. When Interrupt service...

Hi all, I am trying to install "gtk-2.10.0" in my target board based on ARM architecture. I had installed glib-2.10.0, pango, cairo, Atk... I...

Hello I am working on a board which has two processors; an ARM9, and a TI's DaVinci processor. ARM9 has Linux running on it and DaVinci is running...

Hi everyone, I am using Kubuntu 9.0.4 with kernel version 2.6.28. I want to register a virtual network device with custom ioctl. But...

Hi, I am one of the developers for CSQL MMDB open source software on linux platform (linux 2.6 kernel version). We are generating redo logs (data)...

I am using the i2c to communicate with my device. There is no error as such but a lot of warning messages "I2C adapter i2c-0: Could not set I2C Bus...

Hi all, I am using fedora linux 2.6.9-1.667 for developing kernel module . i am exporting one function by using export symbol from one module and...

Hi, I'd like to write user-mode scheduling mechanism for linux. This is a new stuff for Win7, and there's nothing similar on linux at the moment -...

I compiled my own kernel, and my kern.log and syslog files are filling up with networking logging messages such as the following: Oct 8 14:32:48...

Hi, Could anyone give me best links for bsp-linux tutorials? I find a course (to be paid :( though) on Linux Board Bring-Up and Board Support...

Hi, I have a question about Linux kernel programming and I hope you will answer it: structure "slab" is defined in kernel code named "slab.c" (it...

Hi, I have devoloped a PCI-X devicedriver in RHEL5(2.6.18EL) on x86_64 server. I successfully compiled and inserted the driver. Now Iam going to...

Hello, i am trying to implement simple udp server in loadable module with blocking read on udp socket which has to loop,listening to incoming udp...

We are currently on the kernel version 2.6.9-89.0.9.ELsmp and we have seen cases of cache usage going very high.(almost till the level of total...

If I call 'in_interrupt' function just before 'irq_exit()', It will still return non-zero value, because still it it in interrupt context. note :...

I just try to define a new syscall set_limit(), which is used for set a limitation for syscall read() or write(). This syscall should retain two...

Can someone help explain what the coding in lines 3012 and 3013 are doing in the scheduler() main function (in sched.c for linux v2.6.17.14). ...

I have one short question. I installed Ubuntu 9.04 and wanted to write HelloWorld module. But I didn't succeeded because it won't work for some...

Getting task_struct of current process is easy that is: struct task_struct *cur_task; cur_task = get_current(); But I want to get...