[Letux-kernel] compile problems

Andreas Kemnade andreas at kemnade.info
Mon Jul 23 17:05:08 CEST 2018


Hi,


On Mon, 23 Jul 2018 10:02:47 +0200
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:

> Hi Andreas,
> I now have merged & built letux-4.18-rc6 (not yet pushed).
> 
> > Am 23.07.2018 um 07:47 schrieb Andreas Kemnade
> > <andreas at kemnade.info>:
> > 
> > On Sun, 22 Jul 2018 22:17:05 +0200
> > "H. Nikolaus Schaller" <hns at goldelico.com> wrote:
> > 
> >   
> >>> [    9.171325] [drm] Supports vblank timestamp caching Rev 2
> >>> (21.10.2013). [    9.178253] [drm] No driver support for vblank
> >>> timestamp query. [    9.198577] omapdrm omapdrm.0: Tiled buffers
> >>> require DMM [    9.207733] fbcon_init: detected unhandled
> >>> fb_set_par error, error code -16  
> > 
> > = display problems!  
> >>> [    9.207733] Console: switching to colour frame buffer device
> >>> 60x40 [    9.227874] omapdrm omapdrm.0: fb0: omapdrm frame buffer
> >>> device  
> 
> Haven't seen this:

Sometimes I have just a white screen and nothing more, sometimes a
blinking cursor.

> 
> [    7.691253] wwan_on_off_set_power: state 1
> [    7.695892] wwan_on_off_set_power: done
> [    7.764709] wwan_on_off_probe: successfully probed
> [    8.408447] omapdrm omapdrm.0: DMM not available, disable DMM
> support [    8.460174] [drm] Supports vblank timestamp caching Rev 2
> (21.10.2013). [    8.502227] [drm] No driver support for vblank
> timestamp query. [    8.508758] omapdrm omapdrm.0: Tiled buffers
> require DMM [    8.615325] Console: switching to colour frame buffer
> device 60x40 [    8.691711] omapdrm omapdrm.0: fb0: omapdrm frame
> buffer device [    8.716918] cfg80211: Loading compiled-in X.509
> certificates for regulatory database [    8.726501] [drm] Initialized
> omapdrm 1.0.0 20110917 for omapdrm.0 on minor 0 [    8.767608]
> cfg80211: Loaded X.509 cert 'sforshee:
> 00b28ddf47aef9cea7' [    8.785064] platform regulatory.0: Direct
> firmware load for regulatory.db failed with error -2 [    8.796966]
> cfg80211: failed to load regulatory.db
> 
> >>> [    9.234252] ---[ end trace 8c96d4db1da6a489 ]---
> >>> [    9.262847] [drm] Initialized omapdrm 1.0.0 20110917 for
> >>> omapdrm.0 on minor 0 [    9.418731] cfg80211: Loading compiled-in
> >>> X.509 certificates for regulatory database [    9.486663]
> >>> cfg80211: Loaded X.509 cert 'sforshee:
> >>> 00b28ddf47aef9cea7' [    9.543640] platform regulatory.0: Direct
> >>> firmware load for regulatory.db failed with error -2
> >>> [    9.571105] cfg80211: failed to load regulatory.db  
> 
> And I haven't seen the iio related error. Maybe something spurious or
> is it repeatable for you? Then it could be an effect based on
> different boot procedure (assuming you boot through serial/usb - I
> did boot from U-Boot with Josuas and your DFU fixes in NAND and
> kernel on µSD).
> 
At that time I did an ordinary mmc boot on the gta04a5, The 4.18-rc5
only booted once to the point where I could login via usb.
I had issues with my bt keyboard (which I wanted to use on my trip, to
save the real estate on the screen needed for the virtual keyboard
else. So I have not tested it that intensively, but first wanted to
find out if the keyboard is fixed with a more current kernel. But my
keyboard works well with 4.17.2.
I will do more tests

Regards,
Andreas
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