Re: AMD A8-3870

[Ryosuke Moro <szptvlfn%a-net.email.ne.jp@localhost>]

On Mon, 24 Aug 2015 16:04:38 +0000, Taylor R Campbell wrote:
>    Date: Sat, 22 Aug 2015 20:32:31 +0900
>    From: Ryosuke Moro <szptvlfn%a-net.email.ne.jp@localhost>
> 

Problem-A
/usr/src/sys/external/bsd/drm2/dist/drm/radeon/atom.c
>    DRM error in atom_op_jump: atombios stuck in loop for more than 5secs aborting
>    DRM error in atom_execute_table_locked: atombios stuck executing E262 (len 2585, WS 4, PS 4) @ 0xE94C

Problem-B
/usr/src/sys/external/bsd/drm2/dist/drm/radeon/atombios_dp.c
>    DRM error in radeon_dp_link_train_cr: clock recovery reached max voltage
>    DRM error in radeon_dp_link_train_cr: clock recovery failed
>    wsdisplay0 at radeondrmkmsfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
> 
> This looks suspicious!  Not sure what the root cause is, but these
> messages may help navigate the parts of the code are relevant to the
> problem.

Problem-B:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/?id=cf2aff6eff251b6fbdaf8c253e65ff7c693de8cd


answer from a different aspect
If only i can enter `startx` under the black, screen is visible. ( for now i use 1920x1080 )
  ftp://ftp.NetBSD.org/pub/NetBSD/misc/szptvlfn/A8-3870.JPG

-- 
Ryosuke