Date: Tue, 28 Apr 2020 19:55:31 +0200 From: "thorsten.johannvorderbrueggen@t-online.de" <thorsten.johannvorderbrueggen@t-online.de> To: Alexey Dokuchaev <danfe@freebsd.org> Cc: freebsd-x11@freebsd.org Subject: Re: AMD A6-4455M APU with Radeon(tm) HD Graphics in 50% leads to a black screen when starting X Message-ID: <20200428195531.4ef371260626ce6a7248368b@t-online.de> In-Reply-To: <20200428070718.GA78285@FreeBSD.org> References: <20200427173331.5b1191af406ca2bc4492679f@t-online.de> <20200428070718.GA78285@FreeBSD.org>
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On Tue, 28 Apr 2020 07:07:18 +0000 Alexey Dokuchaev <danfe@freebsd.org> wrote: > On Mon, Apr 27, 2020 at 05:33:31PM +0200, thorsten.johannvorderbrueggen@t= -online.de wrote: > > Hi @all, > >=20 > > i have a [AMD A6-4455M based] Samsung NP535U3C-A02DE Laptop and i > > installed FreeBSD 12.1 on it ... so far so good :-) ... before that i > > had void-linux on it ... it worked with any trouble ... especially X > >=20 > > With FreeBSD i have a 50/50 chance to get a black screen at the end... > > the sytems starts ... loader starts ... the kernel starts ... it > > detects drm and so but then it switches the resolution to 1366x768 ... > > this takes some time (10-15 sec) >=20 > I'm having similar issues with A8-5550M, none of the drm-* ports work > reliably on it. It usually locks up with black screen, or even if it > manages to load, X.Org falls back to software rendering. >=20 > > [drm:r600_ring_test] radeon: ring 0 test failed (scratch(0x8504)=3D0xCA= FEDEAD) > > [drm:cayman_resume] cayman startup failed on resume > > [drm:radeon_dp_link_train_cr] displayport link status failed > > [drm:radeon_dp_link_train_cr] clock recovery failed > > drmn0: ring 0 stalled for more than 10495msec > > drmn0: GPU lockup (current fence id 0x0000000000000001 last fence id 0x= 0000000000000002 on ring 0) > > drmn0: ring 0 stalled for more than 11026msec >=20 > I believe these "stalled" lines are related to the 10-20 seconds delay > during initialization. Something got broken in Northern Islands cards > support in recent years, it was definitely working two or three years > ago (fast module loading, no crashes, hw-accelerated rendering). I'm > slowly bisecting and trying different versions of the DRM ports, but > that can take months... I have no good news or answers at this moment. No problem ... i`m happy that someone takes care and trys to find a solutio= n ...=20 At the weekend i try the 11.3 release ... and then 10.4 ... and inform you about the result ... then we have at least a hint from where to compare to = :-) >=20 > /danfe If i can do more, let me know ... but pls keep in mind, that the last time = i used=20 FreeBSD was with 4.x and 5.x :-) ...=20 Cheers Thorsten --=20 thorsten.johannvorderbrueggen@t-online.de <thorsten.johannvorderbrueggen@t-= online.de> --=20 Gem. Par. 28 Abs. 4 Bundesdatenschutzgesetz widerspreche ich der Nutzung sowie der Weitergabe meiner personenbezogenen Daten f=FCr Zwecke der Werbung sowie der Markt- oder Meinungsforschung.
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