Public bug reported: see: http://ubuntuforums.org/showthread.php?t=2274999&p=13286624#post13286624 Lubuntu 15.04 on refit grub dual boot macbook 2,1 linux-image-3.16 will boot, though sometimes hangs but, reboot will work eventually. With linux-image-3.19 never, ? is the GPU hang reported in kern.log relevant here? i915 problem? see kern.log snippet attached see error attached from GPU crash dump saved to /sys/class/drm/card0/error
This seems to be a BUG as suggested by the log: "... Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel from: /sys/class/drm/card0/error: GPU HANG: ecode -1:0x00000000, reason: Command parser error, iir 0x00008000, action: continue Time: 1431810790 s 799079 us Kernel: 3.16.0-25-generic Reset count: 0 Suspend count: 0 PCI ID: 0x27a2 EIR: 0x00000010 IER: 0x00028053 PGTBL_ER: 0x00000102 FORCEWAKE: 0x00000000 DERRMR: 0x00000000 CCID: 0x00000000 Missed interrupts: 0x00000000 fence[0] = 00000000 fence[1] = 00000000 fence[2] = 00000000 fence[3] = 00000000 fence[4] = 00000000 fence[5] = 00000000 fence[6] = 00000000 fence[7] = 00000000 fence[8] = 00000000 fence[9] = 00000000 fence[10] = 00000000 fence[11] = 00000000 fence[12] = 00000000 fence[13] = 00000000 fence[14] = 00000000 fence[15] = 00000000 INSTDONE_0: 0x7fffffc0 INSTDONE_1: 0x00000000 INSTDONE_2: 0x00000000 INSTDONE_3: 0x00000000 render command stream: bsd command stream: blt command stream: vebox command stream: bsd2 command stream: Active [0]: Pinned [0]: Num Pipes: 2 Pipe [0]: Power: on SRC: 027f01df STAT: 90000a03 Plane [0]: CNTR: 00000000 STRIDE: 00000000 SIZE: 00000000 POS: 00000000 ADDR: 00000000 Cursor [0]: CNTR: 00000000 POS: 00000000 BASE: 00000000 Pipe [1]: Power: on SRC: 03ff02ff STAT: 10000202 Plane [1]: CNTR: 99000000 STRIDE: 00001000 SIZE: 02ff03ff POS: 00000000 ADDR: 00000000 Cursor [1]: CNTR: 00000000 POS: 00000000 BASE: 00000000 CPU transcoder: A Power: on CONF: 00000000 HTOTAL: 031f027f HBLANK: 03170287 HSYNC: 02ef028f VTOTAL: 020c01df VBLANK: 020401e7 VSYNC: 01eb01e9 CPU transcoder: B Power: on CONF: 80000000 HTOTAL: 059f04ff HBLANK: 059f04ff HSYNC: 054f052f VTOTAL: 0336031f VBLANK: 0336031f VSYNC: 03280322 ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete ** Attachment added: "kern.logsnippet.txt" https://bugs.launchpad.net/bugs/1455852/+attachment/4398724/+files/kern.logsnippet.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1455852 Title: 15.04 will not boot on MacBook 2,1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1455852/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs