[Letux-kernel] compile problems

H. Nikolaus Schaller hns at goldelico.com
Mon Jul 23 10:02:47 CEST 2018


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:

[    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).

BR,
Nikolaus

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