On Fri, 2015-06-26 at 14:43 -0700, Linus Torvalds wrote: > On Thu, Jun 25, 2015 at 6:00 PM, Dave Airlie <airl...@linux.ie> wrote: > > > > This is the main drm pull request for v4.2. > > It seems to work ok for me, but it causes quite a few new warnings on > my Sony VAIO Pro laptop. It's (once more) a regular i5-4200U CPU (aka > Haswell, aka 4th gen Intel Core i5) > > Most of them are in check_crtc_state(), and I currently have 18 of > these in my log: > > [drm:check_crtc_state [i915]] *ERROR* mismatch in > dpll_hw_state.wrpll (expected 0x90280202, found 0x00000000) > WARNING: CPU: 0 PID: 115 at > drivers/gpu/drm/i915/intel_display.c:12319 > check_crtc_state+0x8be/0xf60 [i915]() > pipe state doesn't match! > > but there's a few others too: > > WARNING: CPU: 3 PID: 1871 at > drivers/gpu/drm/i915/intel_display.c:1362 hsw_disable_ips+0x34/0x160 > [i915]() > plane A assertion failure (expected on, current off) > > WARNING: CPU: 3 PID: 1871 at drivers/gpu/drm/drm_irq.c:1162 > drm_wait_one_vblank+0x148/0x1a0 [drm]() > vblank not available on crtc 0, ret=-22 > > and the backtraces aren't all that interesting, but I'm attaching the > cleaned-up dmesg, duplicate callchains and all.
Please provide a full dmesg with drm.debug=0x1f in the kernel command line. Thanks, Ander -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/