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Checko55
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PostPosted: Thu Dec 26, 2019 7:14 pm    Post subject: no network interfaces after BIOS update Reply with quote

Hi guys,

after a BIOS update on my ASUS X399-E Mainboard I got no network interfaces anymore.
The machine is booting fine but the interfaces are gone.
I could not find any error message pointing to the problem that may exist and so I got no solution for that.
Since I'm on dualboot and network device works in Windows I know that the interface should be OK.

I recompiled my kernel with the same settings to write everything new without any success.

Thanks for your help.

regards
Checko
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NeddySeagoon
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PostPosted: Thu Dec 26, 2019 7:22 pm    Post subject: Reply with quote

Checko55,

Are the interfaces gone or just changed names?

What does
Code:
ifconfig -a
tell?
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Checko55
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PostPosted: Thu Dec 26, 2019 7:25 pm    Post subject: Reply with quote

they're gone
only the lo device is showing up

lspci show an Intel I211 Gigabit device, but I don't know the correct module
I tried the 'igb' module but that didn't work. Module is loaded but no interfaces.
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NeddySeagoon
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PostPosted: Thu Dec 26, 2019 7:48 pm    Post subject: Reply with quote

Checko55,

Run
Code:
lspic -nnk
and get the Vendor and Device IDs
As its Intel, they will start [8086:
This page will show the devices that CONFIG_IGB works with.

Your lspci may already list a driver.

Putting your actual 8086:<Device> Linux into google should get you a hit from cateee.net that will give you the kernel symbol name you need.
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Banana
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PostPosted: Thu Dec 26, 2019 7:51 pm    Post subject: Reply with quote

@Checko55

also does dmesg show anything?
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Checko55
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PostPosted: Thu Dec 26, 2019 8:27 pm    Post subject: Reply with quote

NeddySeagoon wrote:
Checko55,

Run
Code:
lspic -nnk
and get the Vendor and Device IDs
As its Intel, they will start [8086:
[url=https://cateee.net/lkddb/web-lkddb/IGB.html]This page[/ur] will show the devices that CONFIG_IGB works with.

Your lspci may already list a driver.

Putting your actual 8086:<Device> Linux into google should get you a hit from cateee.net that will give you the kernel symbol name you need.


Found the ID 8086:1539 which should work with 'igb'.
Loaded the module but didn't help.
dmesg tells 'device not responding to setup address.' and module is not loaded.

There is also a subsystem: ASUSTeK I211 Gigabit Network (1043:85f0)




I checked /sys/class/net and there only 'lo' shows up

Don't know what the BIOS update has done here tbh?!
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Banana
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PostPosted: Thu Dec 26, 2019 8:39 pm    Post subject: Reply with quote

Quote:
There is also a subsystem: ASUSTeK I211 Gigabit Network (1043:85f0)

This should be a wlan device...
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Checko55
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PostPosted: Thu Dec 26, 2019 9:09 pm    Post subject: Reply with quote

Hi again,

just figured out what the problem was.

When I compiled a new kernel it simply didn't finish properly and I didn't recognize that.
The modules weren't built like they should have and the 'igb' module was missing. Therefor it couldn't be loaded when testing.

I tried an older kernel where I knew that everything worked before and there the module 'igb' was loaded and I saw
that the network interface was renamed after updating the BIOS.

So I started troubleshooting on the wrong place.

I have to apologize for stealing your time.
Big SORRY for that.

Anyway...
Thanks for your quick help guys.
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NeddySeagoon
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PostPosted: Thu Dec 26, 2019 10:49 pm    Post subject: Reply with quote

Checko55,

That's experience for you.
You get it just after you needed it.
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NeddySeagoon

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Banana
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PostPosted: Fri Dec 27, 2019 10:18 am    Post subject: Reply with quote

Checko55

no need to be sorry. Everyone makes mistakes. This is the process of learning. Glad you figured it out and as NeddySeagoon already said "That's experience".
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