On Tue, Aug 21, 2012 at 3:24 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote: > On Tue, Aug 21, 2012 at 1:53 PM, Daniel Vetter <daniel at ffwll.ch> wrote: >> On Tue, Aug 21, 2012 at 1:14 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote: >>> On Tue, Aug 21, 2012 at 1:03 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote: >>>> On Tue, Aug 21, 2012 at 1:02 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote: >>>>> On Tue, Aug 21, 2012 at 8:04 AM, Stephen Rothwell <sfr at canb.auug.org.au> wrote: >>>>>> Hi all, >>>>>> >>>>>> Changes since 20120820: >>>>>> >>>>>> The rr tree gained a conflict against Linus' tree. >>>>>> >>>>>> The tip tree still has its build failure so I used the version from >>>>>> next-20120814. >>>>>> >>>>>> The workqueues tree gained a conflict against the hid tree. >>>>>> >>>>>> The drivers-x86 tree still has its build failure so I used the version >>>>>> from next-20120817. >>>>>> >>>>>> The signal tree gained a conflict against Linus' tree. I have still >>>>>> reverted 3 commits from the signal tree at the request of the arm >>>>>> maintainer. >>>>>> >>>>>> ---------------------------------------------------------------------------- >>>>>> >>>>> >>>>> Hi, >>>>> >>>>> I have compiled linux-next (next-20120821) and see the attached >>>>> call-trace when suspending. >>>>> Suspending did NOT work (Xorg seems to cause it) - machine came back to desktop. >>>>> >>>>> With yesterday's next-20120820 I haven't seen this. >>>>> >>>>> I am not sure what is this causing... PM, x86/sched or even VFS? >>>>> Any help for debugging appreciated. >>>>> >>>>> I am on Ubuntu/precise AMD64 and use systemd-v43 as init-system. >>>>> >>>>> Regards, >>>>> - Sedat - >>>> >>>> Forgot attachment! >>>> If you don't succeed - try try try... >>>> >>>> - Sedat - >>> >>> [ CC danvet ] >>> >>> I have pulled in drm-intel-fixes into my local GIT tree and rebuilt >>> i915 - this seems to fix the problem. >>> Daniel any suggestion which patch in d-i-f did it? >> >> Without the backtrace it's kinda hard to tell ... Also, if you can >> dump a git log of the commits from -fixes that you don't yet have. >> -Daniel >> > > Hi Daniel, > > $ git log --oneline v3.6.0-rc2-next20120821-1-iniza-generic..drm-intel-fixes > 1ee9ae3 drm/i915: use hsw rps tuning values everywhere on gen6+ > f1a2f5b drm/i915: fall back to bit-banging if GMBUS fails in CRT EDID reads > 4eab813 drm/i915: extract connector update from intel_ddc_get_modes() for reuse > a843af1 drm/i915: fix hsw uncached pte > b6c7488 drm/i915/contexts: fix list corruption > 38ab8a2 drm/i915: fix EDID memory leak in SDVO > > Looks like "1ee9ae3 drm/i915: use hsw rps tuning values everywhere on > gen6+" has PM fixes for i915. > > I tried with only that patch on top of today's linux-next - and I can > suspend/resume again! Well, this is slightly shocking - this patch /should/ only optimize power consumption, it should in now way fix suspend/resume (i.e. it doesn't even apply any h/w workaround). Do you have any more details what's going wrong here (logs, ...)? Thanks, Daniel -- Daniel Vetter daniel.vetter at ffwll.ch - +41 (0) 79 364 57 48 - http://blog.ffwll.ch
