Without GRUB_GFXMODE and GRUB_GFXPAYLOAD_LINUX I get Apr 26 13:07:57 usbpc kernel: [ 18.245417] AES CTR mode by8 optimization enabled Apr 26 13:07:57 usbpc kernel: [ 18.256518] alg: No test for fips(ansi_cprng) (fips_ansi_cprng) Apr 26 13:07:57 usbpc kernel: [ 18.271819] fbcon: mgadrmfb (fb0) is primary device Apr 26 13:07:57 usbpc kernel: [ 18.340257] ipmi_si IPI0001:00: Found new BMC (man_id: 0x000157, prod_id: 0x0048, dev_id: 0x21) Apr 26 13:07:57 usbpc kernel: [ 18.340261] ipmi_si IPI0001:00: IPMI kcs interface initialized Apr 26 13:07:57 usbpc kernel: [ 18.539515] Console: switching to colour frame buffer device 160x64 Apr 26 13:07:57 usbpc kernel: [ 18.577386] mgag200 0000:03:00.0: fb0: mgadrmfb frame buffer device Apr 26 13:07:57 usbpc kernel: [ 18.585608] [drm] Initialized mgag200 1.0.0 20110418 for 0000:03:00.0 on minor 0 Apr 26 13:07:57 usbpc kernel: [ 18.588803] intel_rapl: Found RAPL domain package Apr 26 13:07:57 usbpc kernel: [ 18.588817] intel_rapl: Found RAPL domain core
The console output doesn't get stuck, either. > That might be an effect of the driver being confused by GRUB's > modesetting. I don't know. Maybe. OTOH, upstream's kernel (built on unstable) just works, using the same grub configuration, installed on the same bootable USB stick and booted on the same hardware. Do you think there could be a side effect of the recent patch cleanup for mgag200 & cirrus done for 4.4~rc5-1~exp1? Regards Harri