GPF with kernel 4.15-rc1, and display locks up

[Jani Nikula]

On Mon, 27 Nov 2017, Mike Keehan <mike at keehan.net> wrote:
> I am getting a General Protection Fault on 4.15-rc1, and the X11 screen
> locks up.

Catching up with some old mails... Is this still an issue? Please file a
bug at [1].

BR,
Jani.


[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel


>
>
> Nov 27 10:16:37 babelfish kernel: Call Trace:
> Nov 27 10:16:37 babelfish kernel:  ?
> __i915_gem_object_flush_for_display+0x13/0x40 [i915]
> Nov 27 10:16:37 babelfish kernel:
> i915_gem_object_wait_priority+0xb2/0x170 [i915]
> Nov 27 10:16:37 babelfish kernel:  intel_prepare_plane_fb+0x16e/0x2e0
> [i915]
> Nov 27 10:16:37 babelfish kernel:
> drm_atomic_helper_prepare_planes+0x4c/0xd0
> Nov 27 10:16:37 babelfish kernel:  intel_atomic_commit+0xa3/0x280 [i915]
> Nov 27 10:16:37 babelfish kernel:  drm_atomic_helper_page_flip+0x7c/0x90
> Nov 27 10:16:37 babelfish kernel:  drm_mode_page_flip_ioctl+0x4c2/0x530
> Nov 27 10:16:37 babelfish kernel:  ? drm_mode_cursor2_ioctl+0x10/0x10
> Nov 27 10:16:37 babelfish kernel:  drm_ioctl_kernel+0x59/0xb0
> Nov 27 10:16:37 babelfish kernel:  drm_ioctl+0x2cb/0x380
> Nov 27 10:16:37 babelfish kernel:  ? drm_mode_cursor2_ioctl+0x10/0x10
> Nov 27 10:16:37 babelfish kernel:  ? vfs_writev+0xb9/0x110
> Nov 27 10:16:37 babelfish kernel:  do_vfs_ioctl+0xa1/0x610
> Nov 27 10:16:37 babelfish kernel:  SyS_ioctl+0x74/0x80
> Nov 27 10:16:37 babelfish kernel:  entry_SYSCALL_64_fastpath+0x13/0x6c
>
> I have attached the full GPF trace.
>
> (Haven't tried to login with ssh yet.)
>
> Mike.
>
>
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-- 
Jani Nikula, Intel Open Source Technology Center