Unanswered Questions
1,088 questions with no upvoted or accepted answers
14
votes
2
answers
4k
views
Benefiting of sched_autogroup_enabled on the desktop
I am running a 2.6.37 kernel with sched_autogroup_enabled set to 1. I am not certain that I am seeing the benefits of this patch since:
I am launching my applications from the desktop;
applications ...
CommunityBot
- 1
7
votes
2
answers
11k
views
cat: /dev/ttyS0: Input/output error
I am unable to write to or read from /dev/ttyS0
# cat /dev/ttyS0
cat: /dev/ttyS0: Input/output error
the device exists, and root has permissions.
# ls -lAhF /dev/ttyS0
crw------- 1 ...
- 1
6
votes
0
answers
681
views
Opening /proc/<pid>/net/dev prevents network namespace from expiring, is this expected?
I'm looking for input whether the following observation related to network namespace expiration is expected, or should be reported as bug?
When some process opens /proc/<pid>/net/dev it can ...
- 61
6
votes
2
answers
2k
views
radeon errors: GPU lockup: ring 0 stalled for more than x msec
I have newly installed machine with Debian Buster. The GPU is radeon FirePro W2100. After couple of hours of use, the machine suddenly freezes, the display switches to "white noise", and machine is ...
CommunityBot
- 1
6
votes
1
answer
5k
views
Firmware Bug: disabling VPD access (can't determine size of non-standard VPD format)
I am using kali 2018.2
I am getting the error in dmesg :
[ 0.388371] pci 0000:04:00.0: [Firmware Bug]: disabling VPD access (can't determine size of non-standard VPD format)
Earlier I was getting ...
CommunityBot
- 1
6
votes
0
answers
190
views
Kernel config for keyboard special LEDs
I'm building a 4.9 linux kernel (which is working great) for my T460s. The F1 key has a led that shows if sound is muted. I can't get this LED to work even when enabling all kinds of LED-relevant ...
- 553
6
votes
4
answers
7k
views
How do I know if the kernel is changed?
I have a scenario where I need to recompile my display drivers after kernel updates.
I'm trying to automate it with Bash scripts during boot time.
So I need a way to know that my kernel changed, and ...
CommunityBot
- 1
6
votes
1
answer
9k
views
How to compile a third party driver into the kernel?
I am using Linux Mint 17.2 on Toshiba c640. As my LAN driver is no more functional, I am using a USB to LAN converter which was provided with some driver installation files. Every time i want to use ...
CommunityBot
- 1
6
votes
0
answers
2k
views
Understanding Broadcom setup and kernel files
I often install Linux distros form live usb/CDs. For that I would like to be able to setup my wireless without any internet connexion. I have a Broadcom chipset :
$ lspci -k
04:00.0 Network ...
- 69.2k
6
votes
1
answer
1k
views
What does "make install" do in the Makefile that comes with the kernel?
I'm trying to identify what does make install do with the kernel and what does the actual "install" of the kernel once it's been compiled means.
The problem is I can't really identify the target (...
- 101
5
votes
0
answers
3k
views
xhci restart needed
I have a laptop with usb 3.0 ports, ryzen processor, linux 5.14.3 kernel, and an external keyboard and mouse connected via a usb hub.
Occassionally, the usb devices stop functioning, both keyboard and ...
- 3
5
votes
1
answer
2k
views
QEMU kernel for raspberry pi 3 with networking and virtio support
I used the QEMU(qemu-system-aarch64 -M raspi3) for emulating the Raspberry pi3 with the kernel from the working image.
Everything was working but there was no networking.
qemu-system-aarch64 \
-...
- 2,802
5
votes
0
answers
2k
views
Core file may or may not escape docker container, depending on the core pattern
I am a docker noob who recently ran into a problem. I quote a random pipermail from years ago that poses the question far more elegantly than I ever could:
I noticed the following core_pattern ...
- 28.6k
5
votes
0
answers
5k
views
Kernel compiling - Error during sync of the configuration
I am trying to compile the 4.19 kernel on my Linux Mint machine. I copied my current config (which is from 4.15), opened make menuconfig in order to append a local version string, saved it and then ...
5
votes
2
answers
2k
views
Kernel parameters are not changed permanently for RHEL7
Trying to permanently change some vm kernel parameters, I created /etc/sysctl.d/01-custom.conf config file as it described in Red Hat knowledgebase article. Here is its content:
# cat /etc/sysctl.d/...
CommunityBot
- 1