On Thu, Feb 1, 2018 at 9:13 PM, Chris Chiu <chiu at endlessm.com> wrote: > On Thu, Feb 1, 2018 at 12:08 AM, Harry Wentland <harry.wentland at amd.com> wrote: >> On 2018-01-31 09:31 AM, Chris Chiu wrote: >>> Hi, >>> We are working with new laptops that have the AMD Ravenl Ridge >>> chipset with this `/proc/cpuinfo` >>> https://gist.github.com/mschiu77/b06dba574e89b9a30cf4c450eaec49bc >>> >>> With the latest kernel 4.15, there're lots of different >>> panics/oops during boot so no chance to get into X. It also happens >>> during shutdown. Then I tried to build kernel from >>> git://people.freedesktop.org/~agd5f/linux on branch >>> amd-staging-drm-next with head on commit "drm: Fix trailing semicolon" >>> and update the linux-firmware. Things seem to get better, only 1 oops >>> observed. Here's the oops >>> https://gist.github.com/mschiu77/1a68f27272b24775b2040acdb474cdd3. >> >> Hi Chris, >> >> what are the steps to reproduce this oops? >> >> Does it reproduce all the time or is it intermittent? >> >> Can you send a dmesg with amdgpu.dc_log=1, in addition to drm.debug=0xe? >> >> Thanks, >> Harry >> > > I did nothing special to reproduce the oops. Boot and sometimes it > just shows blank > screen but still responds to magic sysrq. So I reboot and take the journal log. > > It's intermittent, I ran into it 2 times during 13 reboots. > The logs are listed as follows > https://gist.github.com/mschiu77/9307d1ca0acd046cc6817f8cad63d79c > https://gist.github.com/mschiu77/fa81110f93428721f017cb9fbfd06fbe > > One more log here. It enters X OK but after few minutes the display > went black and > only a mouse cursor left. But the mouse cursor can't even move. So I do a sysrq > reboot again. > The last error is > "" > [ 636.312759] endless kernel: > [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* > [CRTC:41:crtc-0] flip_done timed out > [ 646.552344] endless kernel: > [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* > [CRTC:41:crtc-0] flip_done timed out > "" > full log here https://gist.github.com/mschiu77/c8696e5fefb17bb1c53598214fb4e382 > > Only 4 times I can login X, blank screen or hangs w/o responding to > magic sysrq for > the rest. I took a picture of the only panic although I think it's not > about amdgpu. > It's here. > https://pasteboard.co/H5CUvxk.jpg > > Hope they can be helpful. > > Chris > >>> However, I still get stuck on the following messages during boot very >>> often >>> "" >>> [ 4.998241] endless kernel: [drm] amdgpu kernel modesetting enabled. >>> [ 4.998288] endless kernel: checking generic (e0000000 7f0000) vs >>> hw (e0000000 10000000) >>> [ 4.998289] endless kernel: fb: switching to amdgpudrmfb from EFI VGA >>> "" >>> I turned on drm.debug=0xe while booting, but no more information at this point. >>> Anything I can do at this point? >>> >>> And there's 1 more information may be helpful. Sometimes the >>> system boots OK with the blank screen, I can't switch to virtual >>> console, but it did respond to the magic sys-rq key. The dmesg with >>> drm.debug=0xe is here >>> https://gist.github.com/mschiu77/291e47b1f07dc52be9461c55c820464c. >>> >>> I'm pretty sure it's due to the amdgpu driver. Because when I boot >>> with my own kernel which disables the amdgpu driver, all these >>> symptoms went away. Please suggest anything I can do for this. Thanks >>> >>> Chris >>> _______________________________________________ >>> amd-gfx mailing list >>> amd-gfx at lists.freedesktop.org >>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx >>> Gentle ping, cheers. Chris
