On Mon, Dec 17, 2018 at 4:22 PM Roger Koehler <roger.o.koeh...@gmail.com> wrote:
>
> On Mon, Dec 17, 2018 at 3:21 PM Bruce Dubbs via blfs-dev
> <blfs-dev@lists.linuxfromscratch.org> wrote:
> >
> > Requesting help.
> >
> > I'm rebuilding my laptop with latest development lfs/blfs and am having
> > some kernel 4.19.8 issues.
> >
> > My laptop has both wired and wireless network interfaces.  The wired
> > interface is fine but the wireless interface is not being recognized.
> >
> > For kernel 4.13.8, everything is fine.  The firmware related kernel
> > options are:
> >
> > CONFIG_PREVENT_FIRMWARE_BUILD=y
> > CONFIG_FIRMWARE_IN_KERNEL=y
> > CONFIG_EXTRA_FIRMWARE="intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
> > iwlwifi-7260-17.ucode"
> > CONFIG_EXTRA_FIRMWARE_DIR="firmware"
> > CONFIG_FIRMWARE_MEMMAP=y
> >
> > and dmesg gives:
> >
> > [    1.516228] Bluetooth: hci0: Intel Bluetooth firmware file:
> > intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
> > [    1.734116] Bluetooth: hci0: Intel Bluetooth firmware patch completed
> > and activated
> > [    5.077436] iwlwifi 0000:01:00.0: loaded firmware version 17.459231.0
> > op_mode iwlmvm
> >
> > For 4.19.8 I have:
> >
> > CONFIG_PREVENT_FIRMWARE_BUILD=y
> > CONFIG_EXTRA_FIRMWARE="intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
> > iwlwifi-7260-17.ucode"
> > CONFIG_EXTRA_FIRMWARE_DIR="firmware"
> > CONFIG_FIRMWARE_MEMMAP=y
> >
> > There is no CONFIG_FIRMWARE_IN_KERNEL option for this kernel version.
> >
> > dmesg now gives only:
> >
> > [    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?
>
> I'm not much help, but I thought I would chime in and let you know
> that I was having similar issues, so I built LFS 8.0 and BLFS 8.0 so
> that I could use the longest running stable kernel (currently
> 4.9.146).

p.s. It is the minor revision currently in use by Debian 9.6.
(Projected EOL Jan. 2023)
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