How can I get kernel debuginfo package from kernel source code?
Linux Kernel version 4.19.1-1.el7.elrepo.x86_64I got vmcore when my os kernel cursh, but I cannot use cursh vmlinux vmcore to debug it.And I download 4.19.1 kernel source from git.kernel.org, execute...
View ArticleUpgrade kernel version meet mount error when os reboot with new kernel
I try to upgrade the kernel version from 3.10.0-1127.el7.x86_64 to 4.19.113-300.el7.x86_64install kernel step as follow:install kernel package (offline)yum localinstall -y...
View Articleplease help me NNAPI analysis
I'm studying android platform, especially nnapi.I found out Arm nn driver processes requests from application through NNAPI.I was trying to figure out the flow of the function in the code base, and I...
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Getting the error," No matching member function for call to 'write'" in metal...
I'm sure this is a very basic error but I have just tried to create my first compute shader in metal Xcode and I'm receiving this error. I have no idea what the cause of this error is and how to fix...
View ArticleCompare Kernel version of 2 managed nodes
I'm working on a cluster setup and need to compare if the kernel versions of both the machines are same if not end the play using "meta" but it is not functioning as expected and giving error :- name:...
View ArticleDifference between fdt_addr and fdt_addr_r in uboot?
I have been working on implementing u-boot on a 64bit RPi4 for a few weeks.My last big mistake was that when booting the kernel in boot.cmd -> I was using the variable fdt_addr_r instead of...
View ArticleStoring struct array in kernel space, Linux
I believe I may be over-thinking this problem a bit... I've got a text file located on my filesystem which I am parsing at boot and storing the results into an array of structs. I need to copy this...
View ArticleKernel panic when building a custom Linux Kernel using buildroot for Zynq-7000
I'm trying to build a linux kernel, dt (containing custom IP hw configuration) and rootfs following this tutorial:https://www.youtube.com/watch?v=PxGK7h_DYfE&t=51sThe tutorial does it mainly for a...
View ArticleNot able to get the total memory in linux
I have a VM with 16GB of memory. But total memory in the free command output or in the /proc/meminfo, it always shows lesser value than the 16GB. I understand from other readings that the remaining...
View ArticleMy android phone seems to be receiving a steady diet of developer apps from...
modified APK app being dowloaded from chrome web store and or github. these apps configure my cheap LG phone where it seems they use my data and bounce around on different networks. my data is...
View ArticleRemove Kernel Extension which causes kernel panic after migration to other mac
I migrated my mac book pro to a mac mini. Right now I have a kernel panic at each startup. Booting with safe mode works and I identified that the kernel extension com.eltima.eveusb.kext.controller...
View Articleis "/sys/kernel/debug/tracing" a just legacy?
I'm new to linux kernel and ftrace. It seems that ftrace api depends on "/sys/kernel/debug/tracing" though, I also could make use of "/sys/kernel/tracing" instead. the latter one looks like more...
View ArticleWhat happened to child if i kill it's parent with SIGKILL?
What happened to child if i kill it's parent with SIGKILL?Also, where is action of SIGKILL defined in kernel?
View Articleblack screen after build kernel android
I just built a kernel (kitkat 4.4.4) for my xcover 3 (sm-g388f), there are no build errors, the external modules load well in/lib/modules/, the kernel is well signed, no problems related to DM verity....
View ArticleHow can I find the total size of a PE file in memory?
Specifically i would like a method that works on kernel images. The "ImageSize" stored in the IMAGE_OPTIONAL_HEADER is inaccurate. For example on dxgkrnl.sys the ImageSize is 0x3AA000 but in memory it...
View ArticleNo SMBIOS table found while emulating with QEMU?
I'm developing a minimal x86-64 OS from scratch and I am attempting to detect memory to be able to map the higher half of the virtual address space to all physical memory available.From this link:...
View Articlekernel make error "arch/x86/entry/syscall_64.o:(.rodata+0x1120): undefined...
This error stops my kernel make processld: arch/x86/entry/syscall_64.o:(.rodata+0x1120): undefined reference to `__x64_sys_fd' BTF .btf.vmlinux.bin.opahole: .tmp_vmlinux.btf: No such file or directory...
View ArticleKernel not connecting jupyter notebook
I have previously installed python 3.8 from python.org and later installed anaconda python distribution. When I launch the Jupyter notebook the kernel is failing to get connected. What could be the...
View ArticleEquivalent to ZwQueryVirtualMemory that works on system memory?
ZwQueryVirtualMemory reports on virtual memory in the address space of a process. I would like to do the same thing, but for paged memory in system space. Is there an equivalent function that deals...
View ArticleCan't load SMSC SCH5317 (driver smsc47b397)
my problem is that i can't get the chip SMSC SCH5317 detected by lm-sensors, so i can't control or see fan speed, and it seems that it can't be initialized by the kernel driver. When trying to load the...
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