Re: [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem.

On 12/15/2014 08:45 AM, Daniel Vetter wrote:

Nah, this is just a kernel cmdlineoption. So please boot with i915.mmio_debug=1 added to the kernel cmdline, reproduce and then grab the entire dmesg.

Thanks, Daniel

errm, I did it, rebooted, suspended and then the WARNING appeared:

Dec 12 13:22:13 t44 kernel: ------------[ cut here ]------------ Dec 12 13:22:13 t44 kernel: WARNING: CPU: 3 PID: 2750 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x8d/0xa0 [i915]()