3.16 x86_64: boot failure after removing quiet parameter
Trying to diagnose an early boot issue on some HW, I removed quiet
parameter from grub line.
At boot, screen becomes garbled after simple-framebuffer kicks-in (expected), but then machine hangs.
Having this with Pentium N3700 based PC for instance, which has no issue booting with quiet
parameter set...
# dmesg | grep 0000:00:02.0
[ 0.551092] pci 0000:00:02.0: [8086:22b1] type 00 class 0x030000
[ 0.551116] pci 0000:00:02.0: reg 0x10: [mem 0x90000000-0x90ffffff 64bit]
[ 0.551132] pci 0000:00:02.0: reg 0x18: [mem 0x80000000-0x8fffffff 64bit pref]
[ 0.551144] pci 0000:00:02.0: reg 0x20: [io 0x4000-0x403f]
[ 0.551179] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 0.577380] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[ 0.577380] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 0.577380] pci 0000:00:02.0: vgaarb: bridge control possible
[ 22.364605] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 22.418933] [drm] Initialized i915 1.6.0 20201103 for 0000:00:02.0 on minor 1
[ 22.426510] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 23.982311] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device