On Jun 30, 2016, at 12:50 AM, Mathieu Malaterre <[email protected]> wrote:
> On Thu, Jun 30, 2016 at 9:45 AM, Rick Thomas <[email protected]> wrote: >> Do I understand correctly that I should put “drm.debug=0xe” as a kernel >> argument at boot time? Then boot, try running my “fbset” test and send you >> the entire output of dmesg including all boot messages. Is this correct? >> >> Further, I guess you would prefer to have this on the amd64 machine in >> question rather than the original powerpc machine? >> >> What other info should I send? If I use the amd64 machine, I guess you’d >> like some hardware configuration info as well? Please be specific: a >> verbatim list of shell commands you’d like me to run would be most helpful! > > Hi Rick, > > Adding the boot parameter *should* tell us what went wrong in the > fbset command. So yes I do expect you change the boot parameter, run > dmesg before and after the fbset command. I do not care about amd64, > so please do it on the powerpc. > > Thanks. Still no help… On powerpc64 (dual core Mac G5 running Debian 8.5): > rbthomas@bigal:~$ dmesg > /tmp/dmesg-before.out > > rbthomas@bigal:~$ fbset > > mode "1680x1050" > geometry 1680 1050 1680 1050 32 > timings 0 0 0 0 0 0 0 > accel true > rgba 8/16,8/8,8/0,0/0 > endmode > > rbthomas@bigal:~$ fbset 800x600-60 > ioctl FBIOPUT_VSCREENINFO: Invalid argument > rbthomas@bigal:~$ grep 800x600 /etc/fb.modes > # 800x600, 48 Hz, Interlaced (36.00 MHz dotclock) > mode "800x600-48-lace" > # 800x600, 56 Hz, Non-Interlaced (36.00 MHz dotclock) > mode "800x600-56" > # 800x600, 60 Hz, Non-Interlaced (40.00 MHz dotclock) > mode "800x600-60" > # 800x600, 70 Hz, Non-Interlaced (44.90 MHz dotclock) > mode "800x600-70" > # 800x600, 72 Hz, Non-Interlaced (50.00 MHz dotclock) > mode "800x600-72" > # 800x600, 75 Hz, Non-Interlaced (49.50 MHz dotclock) > mode "800x600-75" > # 800x600, 90 Hz, Non-Interlaced (56.64 MHz dotclock) > mode "800x600-90" > # 800x600, 100 Hz, Non-Interlaced (67.50 MHz dotclock) > mode “800x600-100" > > rbthomas@bigal:~$ dmesg > /tmp/dmesg-after.out > > rbthomas@bigal:~$ diff /tmp/dmesg-before.out /tmp/dmesg-after.out > > rbthomas@bigal:~$ cat /proc/cmdline > root=/dev/mapper/bigal-root ro drm.debug=0xe > > rbthomas@bigal:~$ lsmod | grep drm > drm_kms_helper 82001 1 nouveau > drm 325466 6 ttm,drm_kms_helper,nouveau,sil164 > agpgart 39217 2 drm,ttm > i2c_core 31058 10 > drm,i2c_powermac,windfarm_smu_sat,drm_kms_helper, > > i2c_algo_bit,windfarm_lm75_sensor,nouveau,sil164, > windfarm_max6690_sensor,snd_aoa_codec_onyx

