Miroslav Geisselreiter wrote:
> Dne 17.9.2019 v 14:02 Mauricio Tavares napsal(a):
>
>> On Tue, Sep 17, 2019 at 7:06 AM Miroslav Geisselreiter <mg@xxxxxxxx>
>> wrote:
>>
>>> I have brand new PC with this components:
>>> CPU Intel® Pentium G5400, LGA1151
>>> motherboard ASUS PRIME B360M-C 16 GB RAM
>>> HDD 2x ADATA SSD 256GB XPG GAMMIX S11, PCIe Gen3x4 M.2 2280 (RAID1)
>>> NIC Intel X550-T1 Ethernet Converged Network Adapter
>>>
>>> I installed CentOS 7 and two NICs were detected:
>>> eno1 (on motherboard) enp1s0 (Intel X550-T1)
>>>
>>> When I restart the machine sometimes enp1s0 is missing. It is not
>>> detected during boot. It looks like NIC card is not installed / not
>>> present. After next reboot everything is fine and I do not see any
>>> problems with NIC card.
>>>
>>> How can I avoid this problem with missing NIC? Can you help me,
>>> please?
>>>
>> Nothing exciting on dmesg? Did you check the pci chain to see if
>> it is being reported as there?
>>
<snip>
Have you done lspci when it happens, and compared to when it's working?
I almost wonder if it's either a hardware error, or something in the BIOS.
Have you tried opening up the box and reseating the card?
mark
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