Description of problem:
While my laptop couldn't went into standby with the last kernel (220.127.116.11-85), it's now function with the new one (18.104.22.168-95) but have sometime problems to reactivate it after that. Sometimes I only see the mouse-cursor and it hook up (in this case I see the error in the messages-log), and sometimes when it happens, I get the message directly on the screen... it says:
Uhhuh. NMI received for unknown reason 90 on CPU 0.
You have some hardware problem, likely on the PCI bus.
Dazed and confused, but trying to continue
If second case happens, also the LEDs on the keyboard are blinking and tells me a kernel-panic.
I can't say, if this also happens with F12 or before, because I didn't used more then one user at a time.
Steps to Reproduce:
1. While two users are in a seperated gnome-session (both has firefox, thunderbird and gnome-terminal launched), close the top of my laptop to put the computer into standby-mode.
2. Reopen it - computer starts up again and hook off.
Have to press the Power-Button to restart the computer.
GDM-User-Selection screen should pop up.
Today it also happend, while only one user was logged in.
I got the kernel-error-message on the bash-screen.
Created attachment 419655 [details]
kernel module files
I have created a kernel module to locate the device causing the NMI.
In order to use it please follow the instructions below.
- download the attached gzip'd file
- unpack it and cd to unknownnmi
- you should see Makefile and unknownnmi.c
- yum install kernel-devel (as root)
- this is needed to build the kernel module
- run 'make'
- it should create a module unknownnmi.ko
- run 'insmod ./unknownnmi.ko'
- check dmesg for an RHNMI message saying it loaded
- try to generate the nmi
Once an nmi is generated, some info should have been generated in the kernel
logs (dmesg and /var/log/messages). Ignore the WARN for now, it is
Please run the following to gather data:
dmesg | grep RHNMI > /tmp/nmi.txt
echo "LSPCI OUTPUT" >> /tmp/nmi.txt
lspci >> /tmp/nmi.txt
lspci -t >> /tmp/nmi.txt
Then attach the /tmp/nmi.txt to this bugzilla so I can review the data.
It should have enough data to pinpoint the device that is causing the
problem. After that is determined, we can decide the next steps (most
likely a firmware update if possible).
Please let me know if you have issues with the above steps.
I tried to compile and insert the module, but can't insert it.
With both 22.214.171.124-95 and 126.96.36.199-112 I get following message:
### cut begin ###
# insmod ./unknownnmi.ko
insmod: error inserting './unknownnmi.ko': -1 Invalid module format
### cut end ###
Maybe you have an idea, why I get this output.
Thx a lot!
Created attachment 441118 [details]
Hope this helpls. ;-)
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