On 12/18/2018 03:52 AM, Xi Ruoyao via blfs-dev wrote:
On 2018-12-17 16:21 -0600, Bruce Dubbs via blfs-dev wrote:
[ 0.316853] platform regulatory.0: Direct firmware load for
regulatory.db failed with error -2
There are some things I found about something called regdb, but that
doesn't explain to me why the firmware isn't loading.
Any ideas?
Hi Bruce,
I have the same problem. dmesg outputs:
[ 1.021649] cfg80211: Loading compiled-in X.509 certificates for regulatory d
atabase
[ 1.022809] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 1.022823] ALSA device list:
[ 1.022828] No soundcards found.
[ 1.025334] platform regulatory.0: Direct firmware load for regulatory.db
failed with error -2
[ 1.025358] cfg80211: failed to load regulatory.db
[ 1.092576] fbcon: inteldrmfb (fb0) is primary device
[ 1.282343] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 1.283254] ata1.00: NCQ Send/Recv Log not supported
[ 1.283259] ata1.00: ATA-9: SAMSUNG MZMTD128HAFV-000L1, DXT42L0Q, max
UDMA/133
[ 1.283263] ata1.00: 250069680 sectors, multi 16: LBA48 NCQ (depth 32), AA
[ 1.283859] ata1.00: NCQ Send/Recv Log not supported
[ 1.283947] ata1.00: configured for UDMA/133
It's very clear that cfg80211 tries to load the firmware, even *before*
the hard drive comes up :(.
I changed the kernel configuration to build cfg80211 as a module so it can
not be loaded before the hard drive come up. So the problem is workarounded.
I have figured out my original problem with loading the firmware for my
wireless and bluetooth. It seems that the drivers for those were not
enabled. Evidently I used the wrong base system when building the kernel.
I still do have the message about regulatory.db. Now that the
interface, wlan0, is recognized by the kernel, I can set it up with
# ifconfig wlan0 up
but I also get:
# iwlist wlan0 scanning
wlan0 Interface doesn't support scanning.
and I suspect that has to do with the regulatory.db stuff in cfg80211.
I was able to find:
https://mirrors.edge.kernel.org/pub/software/network/wireless-regdb/wireless-regdb-2018.10.24.tar.xz
Arch has build instructions:
https://git.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/wireless-regdb
but it needs the crda package:
https://www.archlinux.org/packages/core/x86_64/crda/
-----------
This has become quite complex.
-- Bruce
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