[CentOS] 7.2 kernel panic on boot

Fred Wittekind
Thu, 03 Dec 2015 16:17:33 -0000

On 12/3/2015 5:40 AM, Duncan Brown wrote:
> On 03/12/2015 10:06, Leon Fauster wrote:
>> Am 03.12.2015 um 10:53 schrieb Duncan Brown <centos2 at
duncb.co.uk>:
>>> On 03/12/2015 09:40, Bernard Lheureux wrote:
>>>> On 12/03/2015 10:29 AM, Duncan Brown wrote:
>>>> initramfs is missing...
>>>> check if /boot/initramfs-{kernelversion}.img is correctly
there, if
>>>> not do a "yum reinstall kernel-{version}" and it
should be ok !
>>>>
>>>>> Hi All
>>>>>
>>>>> After upgrading to 7.2, I'm getting an immediate kernel
panic on boot
>>>>>
>>>>> Dropping back to 3.10.0-229.20.1.el7.x86_64 and the system
boots fine
>>>>>
>>>>> How can I go about diagnosing the problem here?
>>>>>
>>>>> thanks
>>>>>
>>>>> Duncan
>>>>>
>>> No joy unfortunately, the correct initramfs is there
>>>
>>> I tried reinstalling just in case, but no change
>>
>> any additional kernel modules installed?
>>
>> --
>> LF
>>
>>
> Hi Leon
>
> I'm running kmod-nvidia and kmod-forcedeth from elrepo
>
> The nvidia-kmod had an update to work with the new kernel, the
> forcedeth did not but as far as I can tell it didn't need one. (also
> why on earth the forcedeth module has gone from the stock kernel in 7
> I have no idea)
>
> The first thing I tried however was uninstalling both, but I'm still
> getting the same panic
>
> Is there any way of logging it so I can see exactly what the panic says?
>
> thanks all
>
> Duncan
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Mine booted successfully after update to 7.2 CR.  I am also using a
Nvidia kmod from elrepo, no forcedeth though.
kernel-3.10.0-327.el7.x86_64
kmod-nvidia-340xx-340.96-1.el7.elrepo.x86_64

Did you rebuild initrd after removing the kmod packages?

Fred Wittekind