Bug#858078: Kernel hangs most of the times when modeset=1 on the i915
On Sat, Mar 18, 2017 at 01:53:09AM +0100, Santiago Garcia Mantinan wrote:
> I just upgraded this machine from Jessie to Stretch and found the kernel
> crashing (computer completelly frozen) most of the times, even if X is not
> started. I then tried to use the kernel from Jessie with current packages
> from Stretch and found that it works perfectly, like it used to on Jessie.
> ? dump_stack+0x5c/0x78
> ? __warn+0xbe/0xe0
> ? warn_slowpath_fmt+0x5f/0x80
> ? finish_wait+0x3c/0x70
> ? drm_wait_one_vblank+0x197/0x1a0 [drm]
> ? prepare_to_wait_event+0xf0/0xf0
> ? intel_get_load_detect_pipe+0x624/0x640 [i915]
> ? intel_tv_detect+0x155/0x550 [i915]
> ? drm_property_replace_global_blob+0xd8/0x120 [drm]
> ? drm_helper_probe_single_connector_modes+0x3f6/0x4e0 [drm_kms_helper]
Hi Manty,
Does adding video=SVIDEO-1:d to the kernel command line also fix it?
There's an upstream bug that "some that of the TV encoding registers not
being set properly before trying to call intel_wait_for_vblank()"
https://bugs.freedesktop.org/show_bug.cgi?id=93782
BR,
Steve
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