Paul Menzel <[email protected]> once said: > since Linux 3.12+ graphics stolen memory seems to be used, which causes > a regression with coreboot and native graphics init at least on the > Intel 945 based Lenovo X60 [1]. > > This seems to be solved by properly setting register `PGETBL_CTL` [2], > but the Linux kernel Intel graphics driver still reports a GTT (Graphics > Translation Table) related error during start-up, but everything else > seems to work. > > [ 1.235640] [drm] GPU crash dump saved to > /sys/class/drm/card0/error > [ 1.236583] [drm] GPU hangs can indicate a bug anywhere in the > entire gfx stack, including userspace. > [ 1.236583] [drm] Please file a _new_ bug report on > bugs.freedesktop.org against DRI -> DRM/Intel > [ 1.236583] [drm] drm/i915 developers can then reassign to the > right component if it's not a kernel issue. > [ 1.236583] [drm] The gpu crash dump is required to analyze gpu > hangs, so please always attach it. > [ 1.236583] i915: render error detected, EIR: 0x00000010 > [ 1.236583] i915: page table error > [ 1.236583] i915: PGTBL_ER: 0x00000013 > [ 1.236583] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: > 0x00000010, masking > [ 1.236583] i915: render error detected, EIR: 0x00000010 > [ 1.236583] i915: page table error > [ 1.236583] i915: PGTBL_ER: 0x00000013 >
FWIW, I will occasionally get the same message and the apparent working behavior after resume on a MacBook2,1 using stock Apple EFI firmware. The MacBook uses the same chipset as the X60. [49087.421096] [drm] GPU crash dump saved to /sys/class/drm/card0/error [49087.421096] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [49087.421097] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [49087.421097] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [49087.421098] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [49087.421763] i915: render error detected, EIR: 0x00000010 [49087.421763] i915: page table error [49087.421763] i915: PGTBL_ER: 0x00000001 [49087.421763] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking [49087.421763] i915: render error detected, EIR: 0x00000010 [49087.421763] i915: page table error [49087.421763] i915: PGTBL_ER: 0x00000001 Anthony -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
