From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Masney Subject: Re: [Freedreno] drm/msm: 'pp done time out' errors after async commit changes Date: Thu, 7 Nov 2019 06:10:19 -0500 Message-ID: <20191107111019.GA24028@onstation.org> References: <20191105000129.GA6536@onstation.org> <20191105100804.GA9492@onstation.org> <20191106091335.GA16729@onstation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Rob Clark Cc: Jeffrey Hugo , Rob Clark , freedreno , Linux Kernel Mailing List , dri-devel , linux-arm-msm , Sean Paul List-Id: dri-devel@lists.freedesktop.org On Wed, Nov 06, 2019 at 08:58:59AM -0800, Rob Clark wrote: > On Wed, Nov 6, 2019 at 8:47 AM Jeffrey Hugo wrote: > > > > On Wed, Nov 6, 2019 at 9:30 AM Rob Clark wrote: > > > > > > On Wed, Nov 6, 2019 at 1:13 AM Brian Masney wrote: > > > > > > > > On Tue, Nov 05, 2019 at 08:23:27AM -0800, Rob Clark wrote: > > > > > On Tue, Nov 5, 2019 at 2:08 AM Brian Masney wrote: > > > > > > The 'pp done time out' errors go away if I revert the following three > > > > > > commits: > > > > > > > > > > > > cd6d923167b1 ("drm/msm/dpu: async commit support") > > > > > > d934a712c5e6 ("drm/msm: add atomic traces") > > > > > > 2d99ced787e3 ("drm/msm: async commit support") > > > > > > > > > > > > I reverted the first one to fix a compiler error, and the second one so > > > > > > that the last patch can be reverted without any merge conflicts. > > > > > > > > > > > > I see that crtc_flush() calls mdp5_ctl_commit(). I tried to use > > > > > > crtc_flush_all() in mdp5_flush_commit() and the contents of the frame > > > > > > buffer dance around the screen like its out of sync. I renamed > > > > > > crtc_flush_all() to mdp5_crtc_flush_all() and removed the static > > > > > > declaration. Here's the relevant part of what I tried: > > > > > > > > > > > > --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c > > > > > > +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c > > > > > > @@ -171,7 +171,15 @@ static void mdp5_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *st > > > > > > > > > > > > static void mdp5_flush_commit(struct msm_kms *kms, unsigned crtc_mask) > > > > > > { > > > > > > - /* TODO */ > > > > > > + struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms)); > > > > > > + struct drm_crtc *crtc; > > > > > > + > > > > > > + for_each_crtc_mask(mdp5_kms->dev, crtc, crtc_mask) { > > > > > > + if (!crtc->state->active) > > > > > > + continue; > > > > > > + > > > > > > + mdp5_crtc_flush_all(crtc); > > > > > > + } > > > > > > } > > > > > > > > > > > > Any tips would be appreciated. > > > > > > > > > > > > > > > I think this is along the lines of what we need to enable async commit > > > > > for mdp5 (but also removing the flush from the atomic-commit path).. > > > > > the principle behind the async commit is to do all the atomic state > > > > > commit normally, but defer writing the flush bits. This way, if you > > > > > get another async update before the next vblank, you just apply it > > > > > immediately instead of waiting for vblank. > > > > > > > > > > But I guess you are on a command mode panel, if I remember? Which is > > > > > a case I didn't have a way to test. And I'm not entirely about how > > > > > kms_funcs->vsync_time() should be implemented for cmd mode panels. > > > > > > > > Yes, this is a command-mode panel and there's no hardware frame counter > > > > available. The key to getting the display working on this phone was this > > > > patch: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2bab52af6fe68c43b327a57e5ce5fc10eefdfadf > > > > > > > > > That all said, I think we should first fix what is broken, before > > > > > worrying about extending async commit support to mdp5.. which > > > > > shouldn't hit the async==true path, due to not implementing > > > > > kms_funcs->vsync_time(). > > > > > > > > > > What I think is going on is that, in the cmd mode case, > > > > > mdp5_wait_flush() (indirectly) calls mdp5_crtc_wait_for_pp_done(), > > > > > which waits for a pp-done irq regardless of whether there is a flush > > > > > in progress. Since there is no flush pending, the irq never comes. > > > > > But the expectation is that kms_funcs->wait_flush() returns > > > > > immediately if there is nothing to wait for. > > > > > > > > I don't think that's happening in this case. I added some pr_info() > > > > statements to request_pp_done_pending() and mdp5_crtc_pp_done_irq(). > > > > Here's the first two sets of messages that appear in dmesg: > > > > > > > > [ 14.018907] msm fd900000.mdss: pp done time out, lm=0 > > > > [ 14.018993] request_pp_done_pending: HERE > > > > [ 14.074208] mdp5_crtc_pp_done_irq: HERE > > > > [ 14.074368] Console: switching to colour frame buffer device 135x120 > > > > [ 14.138938] msm fd900000.mdss: pp done time out, lm=0 > > > > [ 14.139021] request_pp_done_pending: HERE > > > > [ 14.158097] mdp5_crtc_pp_done_irq: HERE > > > > > > > > The messages go on like this with the same pattern. > > > > > > > > I tried two different changes: > > > > > > > > 1) I moved the request_pp_done_pending() and corresponding if statement > > > > from mdp5_crtc_atomic_flush() and into mdp5_crtc_atomic_begin(). > > > > > > > > 2) I increased the timeout in wait_for_completion_timeout() by several > > > > increments; all the way to 5 seconds. > > > > > > increasing the timeout won't help, because the pp-done irq has already > > > come at the point where we wait for it.. > > > > > > maybe the easy thing is just add mdp5_crtc->needs_pp, set to true > > > before requesting, and false when we get the irq.. and then > > > mdp5_crtc_wait_for_pp_done() just returns if needs_pp==false.. > > > > On the otherhand, what about trying to make command mode panels > > resemble video mode panels slightly? Video mode panels have a vsync > > counter in hardware, which is missing from command mode - however it > > seems like the driver/drm framework would prefer such a counter. > > Would it be a reasonable idea to make a software counter, and just > > increment it every time the pp_done irq is triggered? > > > > I'm just thinking that we'll avoid issues long term by trying to make > > the code common, rather than diverging it for the two modes. > > > > *possibly*, but I think we want to account somehow periods where > display is not updated. > > fwiw, it isn't that uncommon for userspace to use vblanks to "keep > time" (drive animations for desktop switch, window > maximize/unmaximize, etc).. it could be a surprise when "vblank" is > not periodic. What do you think about using some variation of the current value of jiffies in the kernel + the number of pp_done IRQs as the software counter for command-mode panels? Brian From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8669FA372C for ; Fri, 8 Nov 2019 08:13:48 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B842721D7E for ; Fri, 8 Nov 2019 08:13:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B842721D7E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=onstation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B83AD6F877; Fri, 8 Nov 2019 08:12:35 +0000 (UTC) Received: from onstation.org (onstation.org [52.200.56.107]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1F3166E405; Thu, 7 Nov 2019 11:10:21 +0000 (UTC) Received: from localhost (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id C56A53E89E; Thu, 7 Nov 2019 11:10:19 +0000 (UTC) Date: Thu, 7 Nov 2019 06:10:19 -0500 From: Brian Masney To: Rob Clark Subject: Re: [Freedreno] drm/msm: 'pp done time out' errors after async commit changes Message-ID: <20191107111019.GA24028@onstation.org> References: <20191105000129.GA6536@onstation.org> <20191105100804.GA9492@onstation.org> <20191106091335.GA16729@onstation.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailman-Approved-At: Fri, 08 Nov 2019 08:12:31 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=onstation.org; s=default; t=1573125020; bh=QbmX0feSHkj2IBz00wrWT+q2Nqc82ijEV92sQq0svlo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NtLyXOZmqzf2z4jSd+VRrh+vNbS11NeP0SbJy8Ayqi8JJsVSFOVWqFSwQVFfmXcmx silVvYWhLO7Rq3UNcg5kss290CUlW6sNOSDD4Yx+g0xlt6lKigqJCK9yPHcwZ3G+6L aVpDp2vnHeYstYeX6NNroAa3p0kT2PMdiD3HPPAQ= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Clark , Jeffrey Hugo , linux-arm-msm , Linux Kernel Mailing List , dri-devel , Sean Paul , freedreno Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191107111019.YZWeE5U_Ag5_j6yj-tYD_OiZzNZqiIyYYiBCndjGMgU@z> T24gV2VkLCBOb3YgMDYsIDIwMTkgYXQgMDg6NTg6NTlBTSAtMDgwMCwgUm9iIENsYXJrIHdyb3Rl Ogo+IE9uIFdlZCwgTm92IDYsIDIwMTkgYXQgODo0NyBBTSBKZWZmcmV5IEh1Z28gPGplZmZyZXku bC5odWdvQGdtYWlsLmNvbT4gd3JvdGU6Cj4gPgo+ID4gT24gV2VkLCBOb3YgNiwgMjAxOSBhdCA5 OjMwIEFNIFJvYiBDbGFyayA8cm9iZGNsYXJrQGdtYWlsLmNvbT4gd3JvdGU6Cj4gPiA+Cj4gPiA+ IE9uIFdlZCwgTm92IDYsIDIwMTkgYXQgMToxMyBBTSBCcmlhbiBNYXNuZXkgPG1hc25leWJAb25z dGF0aW9uLm9yZz4gd3JvdGU6Cj4gPiA+ID4KPiA+ID4gPiBPbiBUdWUsIE5vdiAwNSwgMjAxOSBh dCAwODoyMzoyN0FNIC0wODAwLCBSb2IgQ2xhcmsgd3JvdGU6Cj4gPiA+ID4gPiBPbiBUdWUsIE5v diA1LCAyMDE5IGF0IDI6MDggQU0gQnJpYW4gTWFzbmV5IDxtYXNuZXliQG9uc3RhdGlvbi5vcmc+ IHdyb3RlOgo+ID4gPiA+ID4gPiBUaGUgJ3BwIGRvbmUgdGltZSBvdXQnIGVycm9ycyBnbyBhd2F5 IGlmIEkgcmV2ZXJ0IHRoZSBmb2xsb3dpbmcgdGhyZWUKPiA+ID4gPiA+ID4gY29tbWl0czoKPiA+ ID4gPiA+ID4KPiA+ID4gPiA+ID4gY2Q2ZDkyMzE2N2IxICgiZHJtL21zbS9kcHU6IGFzeW5jIGNv bW1pdCBzdXBwb3J0IikKPiA+ID4gPiA+ID4gZDkzNGE3MTJjNWU2ICgiZHJtL21zbTogYWRkIGF0 b21pYyB0cmFjZXMiKQo+ID4gPiA+ID4gPiAyZDk5Y2VkNzg3ZTMgKCJkcm0vbXNtOiBhc3luYyBj b21taXQgc3VwcG9ydCIpCj4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+IEkgcmV2ZXJ0ZWQgdGhlIGZp cnN0IG9uZSB0byBmaXggYSBjb21waWxlciBlcnJvciwgYW5kIHRoZSBzZWNvbmQgb25lIHNvCj4g PiA+ID4gPiA+IHRoYXQgdGhlIGxhc3QgcGF0Y2ggY2FuIGJlIHJldmVydGVkIHdpdGhvdXQgYW55 IG1lcmdlIGNvbmZsaWN0cy4KPiA+ID4gPiA+ID4KPiA+ID4gPiA+ID4gSSBzZWUgdGhhdCBjcnRj X2ZsdXNoKCkgY2FsbHMgbWRwNV9jdGxfY29tbWl0KCkuIEkgdHJpZWQgdG8gdXNlCj4gPiA+ID4g PiA+IGNydGNfZmx1c2hfYWxsKCkgaW4gbWRwNV9mbHVzaF9jb21taXQoKSBhbmQgdGhlIGNvbnRl bnRzIG9mIHRoZSBmcmFtZQo+ID4gPiA+ID4gPiBidWZmZXIgZGFuY2UgYXJvdW5kIHRoZSBzY3Jl ZW4gbGlrZSBpdHMgb3V0IG9mIHN5bmMuIEkgcmVuYW1lZAo+ID4gPiA+ID4gPiBjcnRjX2ZsdXNo X2FsbCgpIHRvIG1kcDVfY3J0Y19mbHVzaF9hbGwoKSBhbmQgcmVtb3ZlZCB0aGUgc3RhdGljCj4g PiA+ID4gPiA+IGRlY2xhcmF0aW9uLiBIZXJlJ3MgdGhlIHJlbGV2YW50IHBhcnQgb2Ygd2hhdCBJ IHRyaWVkOgo+ID4gPiA+ID4gPgo+ID4gPiA+ID4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vbXNt L2Rpc3AvbWRwNS9tZHA1X2ttcy5jCj4gPiA+ID4gPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9t c20vZGlzcC9tZHA1L21kcDVfa21zLmMKPiA+ID4gPiA+ID4gQEAgLTE3MSw3ICsxNzEsMTUgQEAg c3RhdGljIHZvaWQgbWRwNV9wcmVwYXJlX2NvbW1pdChzdHJ1Y3QgbXNtX2ttcyAqa21zLCBzdHJ1 Y3QgZHJtX2F0b21pY19zdGF0ZSAqc3QKPiA+ID4gPiA+ID4KPiA+ID4gPiA+ID4gIHN0YXRpYyB2 b2lkIG1kcDVfZmx1c2hfY29tbWl0KHN0cnVjdCBtc21fa21zICprbXMsIHVuc2lnbmVkIGNydGNf bWFzaykKPiA+ID4gPiA+ID4gIHsKPiA+ID4gPiA+ID4gLSAgICAgICAvKiBUT0RPICovCj4gPiA+ ID4gPiA+ICsgICAgICAgc3RydWN0IG1kcDVfa21zICptZHA1X2ttcyA9IHRvX21kcDVfa21zKHRv X21kcF9rbXMoa21zKSk7Cj4gPiA+ID4gPiA+ICsgICAgICAgc3RydWN0IGRybV9jcnRjICpjcnRj Owo+ID4gPiA+ID4gPiArCj4gPiA+ID4gPiA+ICsgICAgICAgZm9yX2VhY2hfY3J0Y19tYXNrKG1k cDVfa21zLT5kZXYsIGNydGMsIGNydGNfbWFzaykgewo+ID4gPiA+ID4gPiArICAgICAgICAgICAg ICAgaWYgKCFjcnRjLT5zdGF0ZS0+YWN0aXZlKQo+ID4gPiA+ID4gPiArICAgICAgICAgICAgICAg ICAgICAgICBjb250aW51ZTsKPiA+ID4gPiA+ID4gKwo+ID4gPiA+ID4gPiArICAgICAgICAgICAg ICAgbWRwNV9jcnRjX2ZsdXNoX2FsbChjcnRjKTsKPiA+ID4gPiA+ID4gKyAgICAgICB9Cj4gPiA+ ID4gPiA+ICB9Cj4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+IEFueSB0aXBzIHdvdWxkIGJlIGFwcHJl Y2lhdGVkLgo+ID4gPiA+ID4KPiA+ID4gPiA+Cj4gPiA+ID4gPiBJIHRoaW5rIHRoaXMgaXMgYWxv bmcgdGhlIGxpbmVzIG9mIHdoYXQgd2UgbmVlZCB0byBlbmFibGUgYXN5bmMgY29tbWl0Cj4gPiA+ ID4gPiBmb3IgbWRwNSAoYnV0IGFsc28gcmVtb3ZpbmcgdGhlIGZsdXNoIGZyb20gdGhlIGF0b21p Yy1jb21taXQgcGF0aCkuLgo+ID4gPiA+ID4gdGhlIHByaW5jaXBsZSBiZWhpbmQgdGhlIGFzeW5j IGNvbW1pdCBpcyB0byBkbyBhbGwgdGhlIGF0b21pYyBzdGF0ZQo+ID4gPiA+ID4gY29tbWl0IG5v cm1hbGx5LCBidXQgZGVmZXIgd3JpdGluZyB0aGUgZmx1c2ggYml0cy4gIFRoaXMgd2F5LCBpZiB5 b3UKPiA+ID4gPiA+IGdldCBhbm90aGVyIGFzeW5jIHVwZGF0ZSBiZWZvcmUgdGhlIG5leHQgdmJs YW5rLCB5b3UganVzdCBhcHBseSBpdAo+ID4gPiA+ID4gaW1tZWRpYXRlbHkgaW5zdGVhZCBvZiB3 YWl0aW5nIGZvciB2YmxhbmsuCj4gPiA+ID4gPgo+ID4gPiA+ID4gQnV0IEkgZ3Vlc3MgeW91IGFy ZSBvbiBhIGNvbW1hbmQgbW9kZSBwYW5lbCwgaWYgSSByZW1lbWJlcj8gIFdoaWNoIGlzCj4gPiA+ ID4gPiBhIGNhc2UgSSBkaWRuJ3QgaGF2ZSBhIHdheSB0byB0ZXN0LiAgQW5kIEknbSBub3QgZW50 aXJlbHkgYWJvdXQgaG93Cj4gPiA+ID4gPiBrbXNfZnVuY3MtPnZzeW5jX3RpbWUoKSBzaG91bGQg YmUgaW1wbGVtZW50ZWQgZm9yIGNtZCBtb2RlIHBhbmVscy4KPiA+ID4gPgo+ID4gPiA+IFllcywg dGhpcyBpcyBhIGNvbW1hbmQtbW9kZSBwYW5lbCBhbmQgdGhlcmUncyBubyBoYXJkd2FyZSBmcmFt ZSBjb3VudGVyCj4gPiA+ID4gYXZhaWxhYmxlLiBUaGUga2V5IHRvIGdldHRpbmcgdGhlIGRpc3Bs YXkgd29ya2luZyBvbiB0aGlzIHBob25lIHdhcyB0aGlzCj4gPiA+ID4gcGF0Y2g6Cj4gPiA+ID4g aHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvdG9ydmFsZHMv bGludXguZ2l0L2NvbW1pdC8/aWQ9MmJhYjUyYWY2ZmU2OGM0M2IzMjdhNTdlNWNlNWZjMTBlZWZk ZmFkZgo+ID4gPiA+Cj4gPiA+ID4gPiBUaGF0IGFsbCBzYWlkLCBJIHRoaW5rIHdlIHNob3VsZCBm aXJzdCBmaXggd2hhdCBpcyBicm9rZW4sIGJlZm9yZQo+ID4gPiA+ID4gd29ycnlpbmcgYWJvdXQg ZXh0ZW5kaW5nIGFzeW5jIGNvbW1pdCBzdXBwb3J0IHRvIG1kcDUuLiB3aGljaAo+ID4gPiA+ID4g c2hvdWxkbid0IGhpdCB0aGUgYXN5bmM9PXRydWUgcGF0aCwgZHVlIHRvIG5vdCBpbXBsZW1lbnRp bmcKPiA+ID4gPiA+IGttc19mdW5jcy0+dnN5bmNfdGltZSgpLgo+ID4gPiA+ID4KPiA+ID4gPiA+ IFdoYXQgSSB0aGluayBpcyBnb2luZyBvbiBpcyB0aGF0LCBpbiB0aGUgY21kIG1vZGUgY2FzZSwK PiA+ID4gPiA+IG1kcDVfd2FpdF9mbHVzaCgpIChpbmRpcmVjdGx5KSBjYWxscyBtZHA1X2NydGNf d2FpdF9mb3JfcHBfZG9uZSgpLAo+ID4gPiA+ID4gd2hpY2ggd2FpdHMgZm9yIGEgcHAtZG9uZSBp cnEgcmVnYXJkbGVzcyBvZiB3aGV0aGVyIHRoZXJlIGlzIGEgZmx1c2gKPiA+ID4gPiA+IGluIHBy b2dyZXNzLiAgU2luY2UgdGhlcmUgaXMgbm8gZmx1c2ggcGVuZGluZywgdGhlIGlycSBuZXZlciBj b21lcy4KPiA+ID4gPiA+IEJ1dCB0aGUgZXhwZWN0YXRpb24gaXMgdGhhdCBrbXNfZnVuY3MtPndh aXRfZmx1c2goKSByZXR1cm5zCj4gPiA+ID4gPiBpbW1lZGlhdGVseSBpZiB0aGVyZSBpcyBub3Ro aW5nIHRvIHdhaXQgZm9yLgo+ID4gPiA+Cj4gPiA+ID4gSSBkb24ndCB0aGluayB0aGF0J3MgaGFw cGVuaW5nIGluIHRoaXMgY2FzZS4gSSBhZGRlZCBzb21lIHByX2luZm8oKQo+ID4gPiA+IHN0YXRl bWVudHMgdG8gcmVxdWVzdF9wcF9kb25lX3BlbmRpbmcoKSBhbmQgbWRwNV9jcnRjX3BwX2RvbmVf aXJxKCkuCj4gPiA+ID4gSGVyZSdzIHRoZSBmaXJzdCB0d28gc2V0cyBvZiBtZXNzYWdlcyB0aGF0 IGFwcGVhciBpbiBkbWVzZzoKPiA+ID4gPgo+ID4gPiA+IFsgICAxNC4wMTg5MDddIG1zbSBmZDkw MDAwMC5tZHNzOiBwcCBkb25lIHRpbWUgb3V0LCBsbT0wCj4gPiA+ID4gWyAgIDE0LjAxODk5M10g cmVxdWVzdF9wcF9kb25lX3BlbmRpbmc6IEhFUkUKPiA+ID4gPiBbICAgMTQuMDc0MjA4XSBtZHA1 X2NydGNfcHBfZG9uZV9pcnE6IEhFUkUKPiA+ID4gPiBbICAgMTQuMDc0MzY4XSBDb25zb2xlOiBz d2l0Y2hpbmcgdG8gY29sb3VyIGZyYW1lIGJ1ZmZlciBkZXZpY2UgMTM1eDEyMAo+ID4gPiA+IFsg ICAxNC4xMzg5MzhdIG1zbSBmZDkwMDAwMC5tZHNzOiBwcCBkb25lIHRpbWUgb3V0LCBsbT0wCj4g PiA+ID4gWyAgIDE0LjEzOTAyMV0gcmVxdWVzdF9wcF9kb25lX3BlbmRpbmc6IEhFUkUKPiA+ID4g PiBbICAgMTQuMTU4MDk3XSBtZHA1X2NydGNfcHBfZG9uZV9pcnE6IEhFUkUKPiA+ID4gPgo+ID4g PiA+IFRoZSBtZXNzYWdlcyBnbyBvbiBsaWtlIHRoaXMgd2l0aCB0aGUgc2FtZSBwYXR0ZXJuLgo+ ID4gPiA+Cj4gPiA+ID4gSSB0cmllZCB0d28gZGlmZmVyZW50IGNoYW5nZXM6Cj4gPiA+ID4KPiA+ ID4gPiAxKSBJIG1vdmVkIHRoZSByZXF1ZXN0X3BwX2RvbmVfcGVuZGluZygpIGFuZCBjb3JyZXNw b25kaW5nIGlmIHN0YXRlbWVudAo+ID4gPiA+ICAgIGZyb20gbWRwNV9jcnRjX2F0b21pY19mbHVz aCgpIGFuZCBpbnRvIG1kcDVfY3J0Y19hdG9taWNfYmVnaW4oKS4KPiA+ID4gPgo+ID4gPiA+IDIp IEkgaW5jcmVhc2VkIHRoZSB0aW1lb3V0IGluIHdhaXRfZm9yX2NvbXBsZXRpb25fdGltZW91dCgp IGJ5IHNldmVyYWwKPiA+ID4gPiAgICBpbmNyZW1lbnRzOyBhbGwgdGhlIHdheSB0byA1IHNlY29u ZHMuCj4gPiA+Cj4gPiA+IGluY3JlYXNpbmcgdGhlIHRpbWVvdXQgd29uJ3QgaGVscCwgYmVjYXVz ZSB0aGUgcHAtZG9uZSBpcnEgaGFzIGFscmVhZHkKPiA+ID4gY29tZSBhdCB0aGUgcG9pbnQgd2hl cmUgd2Ugd2FpdCBmb3IgaXQuLgo+ID4gPgo+ID4gPiBtYXliZSB0aGUgZWFzeSB0aGluZyBpcyBq dXN0IGFkZCBtZHA1X2NydGMtPm5lZWRzX3BwLCBzZXQgdG8gdHJ1ZQo+ID4gPiBiZWZvcmUgcmVx dWVzdGluZywgYW5kIGZhbHNlIHdoZW4gd2UgZ2V0IHRoZSBpcnEuLiBhbmQgdGhlbgo+ID4gPiBt ZHA1X2NydGNfd2FpdF9mb3JfcHBfZG9uZSgpIGp1c3QgcmV0dXJucyBpZiBuZWVkc19wcD09ZmFs c2UuLgo+ID4KPiA+IE9uIHRoZSBvdGhlcmhhbmQsIHdoYXQgYWJvdXQgdHJ5aW5nIHRvIG1ha2Ug Y29tbWFuZCBtb2RlIHBhbmVscwo+ID4gcmVzZW1ibGUgdmlkZW8gbW9kZSBwYW5lbHMgc2xpZ2h0 bHk/ICBWaWRlbyBtb2RlIHBhbmVscyBoYXZlIGEgdnN5bmMKPiA+IGNvdW50ZXIgaW4gaGFyZHdh cmUsIHdoaWNoIGlzIG1pc3NpbmcgZnJvbSBjb21tYW5kIG1vZGUgLSBob3dldmVyIGl0Cj4gPiBz ZWVtcyBsaWtlIHRoZSBkcml2ZXIvZHJtIGZyYW1ld29yayB3b3VsZCBwcmVmZXIgc3VjaCBhIGNv dW50ZXIuCj4gPiBXb3VsZCBpdCBiZSBhIHJlYXNvbmFibGUgaWRlYSB0byBtYWtlIGEgc29mdHdh cmUgY291bnRlciwgYW5kIGp1c3QKPiA+IGluY3JlbWVudCBpdCBldmVyeSB0aW1lIHRoZSBwcF9k b25lIGlycSBpcyB0cmlnZ2VyZWQ/Cj4gPgo+ID4gSSdtIGp1c3QgdGhpbmtpbmcgdGhhdCB3ZSds bCBhdm9pZCBpc3N1ZXMgbG9uZyB0ZXJtIGJ5IHRyeWluZyB0byBtYWtlCj4gPiB0aGUgY29kZSBj b21tb24sIHJhdGhlciB0aGFuIGRpdmVyZ2luZyBpdCBmb3IgdGhlIHR3byBtb2Rlcy4KPiA+Cj4g Cj4gKnBvc3NpYmx5KiwgYnV0IEkgdGhpbmsgd2Ugd2FudCB0byBhY2NvdW50IHNvbWVob3cgcGVy aW9kcyB3aGVyZQo+IGRpc3BsYXkgaXMgbm90IHVwZGF0ZWQuCj4gCj4gZndpdywgaXQgaXNuJ3Qg dGhhdCB1bmNvbW1vbiBmb3IgdXNlcnNwYWNlIHRvIHVzZSB2YmxhbmtzIHRvICJrZWVwCj4gdGlt ZSIgKGRyaXZlIGFuaW1hdGlvbnMgZm9yIGRlc2t0b3Agc3dpdGNoLCB3aW5kb3cKPiBtYXhpbWl6 ZS91bm1heGltaXplLCBldGMpLi4gaXQgY291bGQgYmUgYSBzdXJwcmlzZSB3aGVuICJ2Ymxhbmsi IGlzCj4gbm90IHBlcmlvZGljLgoKV2hhdCBkbyB5b3UgdGhpbmsgYWJvdXQgdXNpbmcgc29tZSB2 YXJpYXRpb24gb2YgdGhlIGN1cnJlbnQgdmFsdWUgb2YKamlmZmllcyBpbiB0aGUga2VybmVsICsg dGhlIG51bWJlciBvZiBwcF9kb25lIElSUXMgYXMgdGhlIHNvZnR3YXJlCmNvdW50ZXIgZm9yIGNv bW1hbmQtbW9kZSBwYW5lbHM/CgpCcmlhbgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9kcmktZGV2ZWw=