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5
votes
1answer
126 views

USB drive offline in dmesg and ? in ls, but only for some files?

I have a backup drive that has been intermittently failing (but almost always succeeding) to run rsnapshot lately. ls and e2label output are not encouraging: $ ls -al /mnt/backup/ ls: cannot access ...
4
votes
1answer
130 views

How to exclude auditd messages from dmesg and only log them in /var/log/audit.log

I use audit to log suspicious user actions on a workstation in my institution. I found that, in addition to logging to /var/log/audit.log, auditd also writes to /var/log/messages. Consequently, ...
2
votes
1answer
268 views

Slow root / mounting time

By running dmesg -t -d on my Raspbian/Debian Jessie, I see that this is a bottleneck in my booting process: [< 4.777880>] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. ...
2
votes
1answer
483 views

can't filter printk messages

I'm writing a driver and usually I implement my own log-level scheme. However, this time I figured that I would try to utilize the printk scheme that is built into Linux. I see that I can adjust the ...
1
vote
1answer
93 views

Big gap in dmesg and slow boot

Here is the snippet from my dmesg log. There is a big gap from 14s to 513s! I don't have a clue how to troubleshoot this delay. [ 10.862848] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ ...
1
vote
1answer
251 views

How to setup boot scripts to save orphan inodes after improper shutdown?

after abnormal shutdown in dmesg I have [ 16.107445] EXT4-fs (dm-1): INFO: recovery required on readonly filesystem [ 16.107450] EXT4-fs (dm-1): write access will be enabled during recovery [ ...
0
votes
1answer
25 views

is there a description for kernel messages?

I use dmesg to output kernel messages, but since I'm new to linux I have no idea what this informations mean. Is there a good tutorial or description so I can understand the messages. for example: ...
0
votes
1answer
252 views

WiFi frequently drops, suspected driver issue

I'm running a fully up-to-date Fedora on a Macbook Pro. To get WiFi working in the first place, I installed akmods-wl as recommended. The WiFi works, but the connection keeps dropping. I've noticed ...
0
votes
1answer
130 views

btrfs: mismatching generation and generation_v2 found in root item

I am seeing this message in dmesg: btrfs: mismatching generation and generation_v2 found in root item I found a related question here: Understanding btrfs dmesg However, unlike that question, I ...
2
votes
0answers
349 views

How to debug ACPI/poweroff problems?

I recently replaced my hard drive with a Sandisk SSD and did a fresh install of Fedora 21 (previously using F20). Now my laptop won't power off, and I'm not sure which of the two is causing the ...
2
votes
0answers
247 views

Virtual kernel memory layout in dmesg linux kernel 2.6.31

I'm working on a embedded linux project for ARM architecture, kernel version is 2.6.31.12-rt21. In dmesg, I cannot see the virtual kernel memory layout like this: virtual kernel memory layout: ...
1
vote
0answers
29 views

Can't get usb ethernet adapter running under CentOS 6 minimal

I have a cheap usb adapter and using it on a minmal CentOS 6.7 box, when I plug in the adapter it's recognized as usb device but not as ethernet adapter, although I've loaded these kernel modules: ...
1
vote
0answers
122 views

My “SG303” barcode scanner works on Windows. But it doesn't work on Linux; why not?

I have the following issue with a Barcode Scanner (working fine on PC with Win8.1). I don't know much about the scanner, it's called "SG303 High Performance CCD Scanner" and I don't know if this one ...
1
vote
0answers
600 views

What does nouveau's “func 08 lookup failed, -2” mean?

Arch Linux Question I have an Nvidia 9500 GT Chipset: G96 (NV96) Family : NV50 This means I can use proprietary pack nvidia-340xx + nvidia-340xx-libgl, but I opted for the open source option: ...
1
vote
0answers
20 views

Can I capture reboot errors on a system that lives in memory?

I have a machine that will intermittently experience boot issues and the system will hang and won't come up. I would normally go to check dmesg, but the problem is the system lives in memory and gets ...
1
vote
0answers
55 views

How can I find out if a problem with the USB ports in my laptop is due to hardware or software?

A few days ago, the USB ports in my laptop stop working. At first, I thought it might be due to a recent update of my OS (Ubuntu 14.04), so I began testing if something came up when connecting a ...
1
vote
0answers
412 views

Cannot mount USB 3.0 Flash drive

I have a 16GB USB 3.0 thumb drive that has worked wonderfully up until two days ago... When ever I plug it into a USB3.0 slot: The light flickers indefinitely; Nautilus shows the Open/Eject popup ...
0
votes
0answers
28 views

dmesg filling up with error message that are just a hex number

I've got a Cubietruck running debian 8.4, and it seems to be running OK, but just happened to do a dmesg, and found that I was getting a lot of message consisting of just a hex number... [ ...
0
votes
0answers
23 views

AE_NOT_FOUND Evaluating _DOD

I have arch linux installed on my Dell inspiron 3543, fwts told me about a message in my kernal log about an acpi ae_not_found exception while evaluating _DOD. It seems that this is related to my ...
0
votes
0answers
33 views

Unable to connect to wifi “IPv6: ADDRCONF(NETDEV_UP”

When I click on the wifi icon and the hotspot I want to connect to, nothing happens. Nothing at all. And here's my dmesg: [ 9647.582070] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready [ ...
0
votes
0answers
15 views

How to find out what process wrote a particular log in dmesg?

I have bought an android tv box which has an hdmi capture card inside. From time to time the capture card stops to record. I need to restart the device for it to work again. I am trying to find a way ...
0
votes
0answers
143 views

Console weather station WH1080 not reconized

I've attached my WH1080 console weather station to my OpenWRT linux but it doesn't show up. I was expecting this line on dmseg: Bus 001 Device 002: ID 1941:8021 Dream Link WH1080 Weather Station / ...