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Waterdevil
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Joined: 15 Aug 2017
Posts: 68

PostPosted: Fri Oct 20, 2017 1:33 pm    Post subject: Kernel driver missing? Reply with quote

Hello world,

my system Lenovo Legion Y520 has pci devices with missing kernel drivers.

Code:
uname -a
Linux allengen 4.12.12-gentoo #19 SMP Wed Oct 18 15:48:15 CEST 2017 x86_64 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz GenuineIntel GNU/Linux


Code:
lspci -k
00:00.0 Host bridge: Intel Corporation Device 5910 (rev 05)
   Subsystem: Lenovo Device 3804
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)
   Subsystem: Lenovo Sunrise Point-H LPC Controller
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
   Subsystem: Lenovo Sunrise Point-H PMC


Are they not listed but built in kernel? And how can I list them?

I've a few other systems with Host bridge kernel driver for skylake skl-uncore or similar *uncore.

So I had expected kbl-uncore for kabylake or so.

best regards
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Roman_Gruber
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PostPosted: Mon Nov 06, 2017 11:52 pm    Post subject: Reply with quote

I usually use

Code:
lspci -kk
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Waterdevil
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PostPosted: Tue Nov 07, 2017 8:30 am    Post subject: Reply with quote

Hi, there is no option -kk in man lspci! And I can't see any differences.
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 39312
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PostPosted: Tue Nov 07, 2017 10:07 am    Post subject: Reply with quote

Waterdevil,

Code:
grep -R -i "sunrise" /usr/src/linux/
will list all the files in the kernel that mention "sunrise" (ignoring case)
That will give you some idea of where to look in the kernel.

You can add the -A -B or -C optinos to that grep if you like. See
Code:
man grep


The
Code:
00:00.0 Host bridge: Intel Corporation Device 5910 (rev 05)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
don't normally have kernel drivers. They must be configured by firmware before almost everything else works.
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