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LINUX-KERNEL QUESTIONS

Kernel - Finding written block numbers
Kernel - Finding written block numbers
help you fix your problem Is there any way in the kernel to get a list of blocks that have been physically written to and the order in which they were written? , Looks like blktrace can produce this information.
TAG : linux-kernel
Date : November 19 2020, 07:01 PM , By : user3861333
Which kernel APIs can be used in non-gpl kernel module?
Which kernel APIs can be used in non-gpl kernel module?
Does that help The exported interfaces are marked with either EXPORT_SYMBOL and EXPORT_SYMBOL_GPL, where the latter is restricted to only GPL (compatible) code. See also this article which has a summary and extract from various lkml posts from a rela
TAG : linux-kernel
Date : November 09 2020, 07:01 PM , By : fidizila
Linux Kernel driver modpost missing MODULE_LICENSE
Linux Kernel driver modpost missing MODULE_LICENSE
may help you . The Makefile was incorrect: The module name was equal the source file name. So following works:
TAG : linux-kernel
Date : October 10 2020, 09:00 PM , By : Mirna
Linux PCIe DMA driver
Linux PCIe DMA driver
wish help you to fix your issue DMA, by definition, is completely independent of the CPU and any software (i.e. OS kernel) running on it. DMA is a way for devices to perform memory reads and writes against host memory without the involvement of the h
TAG : linux-kernel
Date : October 08 2020, 10:00 PM , By : Usman
kernel compile error after update yocto morty to thud
kernel compile error after update yocto morty to thud
Hope this helps Please note that Thud is using a later gcc compiler (8.3 to be precise). Unfortunately, the obsolete Linux kernel 4.1 fails to compile with such gcc 8.3 and you would need to backport several patches to make that combination work. Plu
TAG : linux-kernel
Date : October 08 2020, 10:00 PM , By : Emilio Salas
AOSP Kernel debugging
AOSP Kernel debugging
hop of those help? If you enable CONFIG_PRINTK_TIME in the kernel, dmesg will print the time before the logs (in seconds). This enables you to search for time gaps between lines and maybe you're able to find what is causing this problem.If you've fou
TAG : linux-kernel
Date : October 01 2020, 08:00 AM , By : Charith mohotti
Minimum processor capability to boot Linux
Minimum processor capability to boot Linux
should help you out Virtual memory (paging) and kernel vs. user privilege levels are the major ones that a toy CPU might not have. There have been ports of Linux that did without those, like to 8086 or 286 (not i386) I think, but those aren't fully p
TAG : linux-kernel
Date : October 01 2020, 03:00 AM , By : pazuzu
Is there a way to add kexec functionality to busybox initrd?
Is there a way to add kexec functionality to busybox initrd?
it helps some times The kexec binary from kexec-tools takes about 300KB (x86_64 with -Os). Even if it would be added to busybox, it wouldn't get much smaller than that because it does need to do fairly complicated things that are not done anywhere el
TAG : linux-kernel
Date : September 28 2020, 11:00 AM , By : Selvakumar Iniyan
Error: :file `/boot/grub/i386-pc/normal.mod not found and ls shows (hd0),(hd0,msdos1),(hd0,msdos5)
Error: :file `/boot/grub/i386-pc/normal.mod not found and ls shows (hd0),(hd0,msdos1),(hd0,msdos5)
help you fix your problem It appears that your grub install has been seriously damaged.While it is repairable, the effort and complexity of the task is non-trivial. A more suitable solution is to back up your data and re-install the operating system.
TAG : linux-kernel
Date : September 02 2020, 03:00 PM , By : Витя Косенко
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