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    <p>No worries, I will just revert locally until then to clear the
      extra errors during my investigation of current GPU reset status
      and issues.</p>
    <p><br>
    </p>
    <p>Andrey<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 09/21/2018 01:53 PM, Christian König
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:04944e7b-044b-4b16-3d2f-e760eedcee9a@gmail.com">
      <meta http-equiv="Content-Type" content="text/html;
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      <div class="moz-cite-prefix">I unfortunately don't have a Polaris
        to test this myself.<br>
        <br>
        But please give me time till Monday so that I can at least try
        one more things to fix it.<br>
        <br>
        Christian.<br>
        <br>
        Am 21.09.2018 um 19:11 schrieb Andrey Grodzovsky:<br>
      </div>
      <blockquote type="cite"
        cite="mid:c81338de-5fc7-3be3-961a-bba0eba05351@amd.com">
        <p>Ping...</p>
        <p><br>
        </p>
        <p>Andrey<br>
        </p>
        <br>
        <div class="moz-cite-prefix">On 09/20/2018 04:35 PM, Andrey
          Grodzovsky wrote:<br>
        </div>
        <blockquote type="cite"
          cite="mid:4afeb01c-37e9-ca76-8055-5dd15fca98d3@amd.com">
          <p>What's the status with this error and the suggested patch
            to fix it ? It impacts GPU reset on Polaris11.</p>
          <p>Do we want to investigate why the original patch breaks it
            or just disable with the proposed patch ?</p>
          <p><br>
          </p>
          <p>P.S Suspend resume also stopped working on latest branch -
            will bisect it later today or tomorrow.</p>
          <p><br>
          </p>
          <p>Andrey<br>
          </p>
          <br>
          <div class="moz-cite-prefix">On 09/18/2018 11:00 AM, Christian
            König wrote:<br>
          </div>
          <blockquote type="cite"
            cite="mid:edd44be9-2ef3-3c39-3342-5d3b4bbfa40a@amd.com">
            <div class="moz-cite-prefix">Tom,<br>
              <br>
              can you try if the following makes it working again?<br>
              <br>
              diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
              b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c<br>
              index b6160de70d12..d65f5ba92fc5 100644<br>
              --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c<br>
              +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c<br>
              @@ -937,6 +937,10 @@ static int
              gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring, long
              timeout)<br>
                      return r;<br>
               }<br>
               <br>
              +static int gfx_v8_0_kiq_ring_test_ib(struct amdgpu_ring
              *ring, long timeout)<br>
              +{<br>
              +       return 0;<br>
              +}<br>
               <br>
               static void gfx_v8_0_free_microcode(struct amdgpu_device
              *adev)<br>
               {<br>
              @@ -7174,7 +7178,7 @@ static const struct
              amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = {<br>
                      .emit_ib = gfx_v8_0_ring_emit_ib_compute,<br>
                      .emit_fence = gfx_v8_0_ring_emit_fence_kiq,<br>
                      .test_ring = gfx_v8_0_ring_test_ring,<br>
              -       .test_ib = gfx_v8_0_ring_test_ib,<br>
              +       .test_ib = gfx_v8_0_kiq_ring_test_ib,<br>
                      .insert_nop = amdgpu_ring_insert_nop,<br>
                      .pad_ib = amdgpu_ring_generic_pad_ib,<br>
                      .emit_rreg = gfx_v8_0_ring_emit_rreg,<br>
              <br>
              <br>
              Thanks,<br>
              Christian.<br>
              <br>
              Am 18.09.2018 um 16:41 schrieb Christian König:<br>
            </div>
            <blockquote type="cite"
              cite="mid:4a250398-d2ac-1650-739d-e4a6598f1c48@gmail.com">
              <div class="moz-cite-prefix">CRTC and GFX interrupts seem
                to be working perfectly fine.<br>
                <br>
                The problem here looks like only EOP interrupts from the
                Compute queue are not correctly handled.<br>
                <br>
                Most likely a bug somewhere in gfx_v8_0_eop_irq().<br>
                <br>
                Christian.<br>
                <br>
                Am 18.09.2018 um 16:36 schrieb Deucher, Alexander:<br>
              </div>
              <blockquote type="cite"
cite="mid:BN6PR12MB1809B0E02DDA1E8AACFFD1DAF71D0@BN6PR12MB1809.namprd12.prod.outlook.com">
                <style type="text/css" style="display:none;"><!-- P {margin-top:0;margin-bottom:0;} --></style>
                <div id="divtagdefaultwrapper"
style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;"
                  dir="ltr">
                  <p style="margin-top:0;margin-bottom:0">FWIW, a number
                    of consumer Raven boards have bad IVRS tables
                    (windows doesn't use interrupt remapping so they are
                    sometimes wrong and probably not validated.  There
                    are a number of workaround to manually override the
                    IVRS tables to make interrupts work.  I think
                    specifying pci=noacpi is also a possible workaround.</p>
                  <p style="margin-top:0;margin-bottom:0"><br>
                  </p>
                  <p style="margin-top:0;margin-bottom:0">Alex<br>
                  </p>
                </div>
                <hr style="display:inline-block;width:98%" tabindex="-1">
                <div id="divRplyFwdMsg" dir="ltr"><font
                    style="font-size:11pt" face="Calibri, sans-serif"
                    color="#000000"><b>From:</b> amd-gfx <a
                      class="moz-txt-link-rfc2396E"
                      href="mailto:amd-gfx-bounces@lists.freedesktop.org"
                      moz-do-not-send="true"><amd-gfx-bounces@lists.freedesktop.org></a>
                    on behalf of Christian König <a
                      class="moz-txt-link-rfc2396E"
                      href="mailto:christian.koenig@amd.com"
                      moz-do-not-send="true"><christian.koenig@amd.com></a><br>
                    <b>Sent:</b> Tuesday, September 18, 2018 10:31:16 AM<br>
                    <b>To:</b> StDenis, Tom; amd-gfx mailing list; Zhou,
                    David(ChunMing)<br>
                    <b>Subject:</b> Re: Regression on gfx8 with ring
                    init</font>
                  <div> </div>
                </div>
                <div class="BodyFragment"><font size="2"><span
                      style="font-size:11pt;">
                      <div class="PlainText">Well looks like interrupt
                        processing is working perfectly fine.<br>
                        <br>
                        But looking at the error message once more I see
                        that this actually <br>
                        affects ring number 9 and not the GFX ring.<br>
                        <br>
                        Can you fix amdgpu_ib_ring_tests() to print
                        ring->name instead of the <br>
                        number?<br>
                        <br>
                        That must be some of the compute rings.<br>
                        <br>
                        Thanks,<br>
                        Christian.<br>
                        <br>
                        Am 18.09.2018 um 16:20 schrieb Tom St Denis:<br>
                        > On 2018-09-18 10:13 a.m., Christian König
                        wrote:<br>
                        >> Mhm, there is no more failed IB-test in
                        there isn't it?<br>
                        ><br>
                        > oh sorry I thought you wanted to test HEAD~
                        ... Attached is a log from <br>
                        > the tip of drm-next<br>
                        ><br>
                        > Tom<br>
                        ><br>
                        >><br>
                        >> Christian.<br>
                        >><br>
                        >> Am 18.09.2018 um 16:09 schrieb Tom St
                        Denis:<br>
                        >>> Disabling IOMMU in the BIOS
                        resulted in a correct boot up...<br>
                        >>><br>
                        >>> Here's the log.<br>
                        >>><br>
                        >>> Tom<br>
                        >>><br>
                        >>> On 2018-09-18 9:58 a.m., Tom St
                        Denis wrote:<br>
                        >>>> Odd I couldn't even boot my
                        system with the dGPU as primary after <br>
                        >>>> rebuilding the kernel.  It got
                        hung up in the IOMMU driver (loads <br>
                        >>>> of AMD-Vi IOMMU errors) which I
                        wasn't able to capture because it <br>
                        >>>> panic'ed before loading the
                        network stack.<br>
                        >>>><br>
                        >>>> Bizarre.<br>
                        >>>><br>
                        >>>> I'll keep trying.<br>
                        >>>><br>
                        >>>> Tom<br>
                        >>>><br>
                        >>>> On 2018-09-18 9:35 a.m.,
                        Christian König wrote:<br>
                        >>>>> Am 18.09.2018 um 15:32
                        schrieb Tom St Denis:<br>
                        >>>>>> On 2018-09-18 9:30
                        a.m., Christian König wrote:<br>
                        >>>>>>> Great, not sure if
                        that is a good or a bad news.<br>
                        >>>>>>><br>
                        >>>>>>> Anyway going to
                        revert the change for now. Does anybody <br>
                        >>>>>>> volunteer to figure
                        out why interrupts sometimes doesn't work <br>
                        >>>>>>> correctly on Raven?<br>
                        >>>>>><br>
                        >>>>>> What does "doesn't work
                        correctly?"  My workstation is a Raven1 <br>
                        >>>>>> (Ryzen 2400G) and other
                        than the TTM bulk move issue has been <br>
                        >>>>>> perfectly stable
                        (through suspend/resumes too I might add).<br>
                        >>>>>><br>
                        >>>>>> Anything I could test
                        with my devel raven?<br>
                        >>>>><br>
                        >>>>> The problem seems to be
                        that on some boards IH handling doesn't <br>
                        >>>>> work as it should.<br>
                        >>>>><br>
                        >>>>> Can you try to disable the
                        onboard graphics and try again?<br>
                        >>>>><br>
                        >>>>> If that still doesn't work
                        there is a DRM_DEBUG in <br>
                        >>>>> amdgpu_ih_process(), make
                        that a DRM_ERROR and send me the <br>
                        >>>>> resulting dmesg of loading
                        amdgpu (but don't start any UMD).<br>
                        >>>>><br>
                        >>>>> Thanks,<br>
                        >>>>> Christian.<br>
                        >>>>><br>
                        >>>>>><br>
                        >>>>>><br>
                        >>>>>> Tom<br>
                        >>>>>><br>
                        >>>>>>><br>
                        >>>>>>> Christian.<br>
                        >>>>>>><br>
                        >>>>>>> Am 18.09.2018 um
                        15:27 schrieb Tom St Denis:<br>
                        >>>>>>>> This commit:<br>
                        >>>>>>>><br>
                        >>>>>>>> [root@raven
                        linux]# git bisect good<br>
                        >>>>>>>>
                        9b0df0937a852d299fbe42a5939c9a8a4cc83c55 is the
                        first bad commit<br>
                        >>>>>>>> commit
                        9b0df0937a852d299fbe42a5939c9a8a4cc83c55<br>
                        >>>>>>>> Author:
                        Christian König <a
                          class="moz-txt-link-rfc2396E"
                          href="mailto:christian.koenig@amd.com"
                          moz-do-not-send="true"><christian.koenig@amd.com></a><br>
                        >>>>>>>> Date:   Tue Sep
                        18 10:38:09 2018 +0200<br>
                        >>>>>>>><br>
                        >>>>>>>>     drm/amdgpu:
                        remove fence fallback<br>
                        >>>>>>>><br>
                        >>>>>>>>     DC doesn't
                        seem to have a fallback path either.<br>
                        >>>>>>>><br>
                        >>>>>>>>     So when
                        interrupts doesn't work any more we are pretty
                        much <br>
                        >>>>>>>> busted no<br>
                        >>>>>>>>     matter
                        what.<br>
                        >>>>>>>><br>
                        >>>>>>>>    
                        Signed-off-by: Christian König <a
                          class="moz-txt-link-rfc2396E"
                          href="mailto:christian.koenig@amd.com"
                          moz-do-not-send="true"><christian.koenig@amd.com></a><br>
                        >>>>>>>>    
                        Reviewed-by: Chunming Zhou <a
                          class="moz-txt-link-rfc2396E"
                          href="mailto:david1.zhou@amd.com"
                          moz-do-not-send="true"><david1.zhou@amd.com></a><br>
                        >>>>>>>><br>
                        >>>>>>>> Results in
                        this:<br>
                        >>>>>>>><br>
                        >>>>>>>> [   24.334025]
                        [drm] Initialized amdgpu 3.27.0 20150101 for <br>
                        >>>>>>>> 0000:07:00.0 on
                        minor 1<br>
                        >>>>>>>> [   24.335674]
                        modprobe (3895) used greatest stack depth: 12600
                        <br>
                        >>>>>>>> bytes left<br>
                        >>>>>>>> [   26.272358]
                        [drm:gfx_v8_0_ring_test_ib [amdgpu]] *ERROR* <br>
                        >>>>>>>> amdgpu: IB test
                        timed out.<br>
                        >>>>>>>> [   26.272460]
                        [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* <br>
                        >>>>>>>> amdgpu: failed
                        testing IB on ring 9 (-110).<br>
                        >>>>>>>> [   26.407885]
                        [drm:process_one_work] *ERROR* ib ring test <br>
                        >>>>>>>> failed (-110).<br>
                        >>>>>>>> [   28.506708]
                        fuse init (API version 7.27)<br>
                        >>>>>>>><br>
                        >>>>>>>> On init with my
                        polaris/raven1 system.<br>
                        >>>>>>>><br>
                        >>>>>>>> Cheers,<br>
                        >>>>>>>> Tom<br>
                        >>>>>>>>
                        _______________________________________________<br>
                        >>>>>>>> amd-gfx mailing
                        list<br>
                        >>>>>>>> <a
                          class="moz-txt-link-abbreviated"
                          href="mailto:amd-gfx@lists.freedesktop.org"
                          moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a><br>
                        >>>>>>>> <a
                          href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx"
                          moz-do-not-send="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br>
                        >>>>>>><br>
                        >>>>>><br>
                        >>>>><br>
                        >>>><br>
                        >>><br>
                        >><br>
                        ><br>
                        <br>
                        _______________________________________________<br>
                        amd-gfx mailing list<br>
                        <a class="moz-txt-link-abbreviated"
                          href="mailto:amd-gfx@lists.freedesktop.org"
                          moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a><br>
                        <a
                          href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx"
                          moz-do-not-send="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br>
                      </div>
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                <pre wrap="">_______________________________________________
amd-gfx mailing list
<a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a>
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            <pre wrap="">_______________________________________________
amd-gfx mailing list
<a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a>
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          <pre wrap="">_______________________________________________
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<a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a>
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        <pre wrap="">_______________________________________________
amd-gfx mailing list
<a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a>
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