From: Ken Moffat <zarniwhoop@ntlworld.com>
To: Alex Deucher <alexander.deucher@amd.com>,
Yifan Zhang <yifan1.zhang@amd.com>, James Zhu <James.Zhu@amd.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: amdgpu hang on picasso
Date: Sun, 31 Oct 2021 03:01:09 +0000 [thread overview]
Message-ID: <YX4G9YVhw65ps3gC@llamedos.localdomain> (raw)
In-Reply-To: <YX2UbO4jlKZqUBWd@llamedos.localdomain>
On Sat, Oct 30, 2021 at 07:52:28PM +0100, Ken Moffat wrote:
> When I tried 5.15-rc7 on my picasso APU (Ryzen 5 3400G), trying to
> run 'startx' (I'm using X11 and logging in to a tty) the output
> messages from X11 stopped after a few lines (normally, the desktop
> shows before I can read anything) and keyboard/mouse were
> inoperative - had to use Magic SysRQ to sync and reboot.
>
> The log showed
> Oct 28 03:02:21 deluxe klogd: [ 31.347235] amdgpu 0000:09:00.0: amdgpu: failed to write reg 28b4 wait reg 28c6
> Oct 28 03:02:34 deluxe klogd: [ 44.280185] amdgpu 0000:09:00.0: amdgpu: failed to write reg 1a6f4 wait reg 1a706
>
> I started bisecting after confireming that linus' tree with head at
> f25a5481af12 still showed the problem. That identified the
> following commit, which reverts cleanly and allows Xorg to start:
>
> commit 714d9e4574d54596973ee3b0624ee4a16264d700
> Author: Yifan Zhang <yifan1.zhang@amd.com>
> Date: Tue Sep 28 15:42:35 2021 +0800
>
> drm/amdgpu: init iommu after amdkfd device init
>
> This patch is to fix clinfo failure in Raven/Picasso:
>
> Number of platforms: 1
> Platform Profile: FULL_PROFILE
> Platform Version: OpenCL 2.2 AMD-APP (3364.0)
> Platform Name: AMD Accelerated Parallel Processing
> Platform Vendor: Advanced Micro Devices, Inc.
> Platform Extensions: cl_khr_icd cl_amd_event_callback
>
> Platform Name: AMD Accelerated Parallel Processing Number of devices: 0
>
> Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
> Reviewed-by: James Zhu <James.Zhu@amd.com>
> Tested-by: James Zhu <James.Zhu@amd.com>
> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> I've got a laptop with raven, I'll try to find time to test it that
> also shows he problem in the next few days.
>
The laptop (AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx) works
fine without reverting that patch, only the picasso has the problem.
ĸen
--
A capitalist society is one where individuals own and acquire
property, at least for a few months until cooler objects come out.
-- Late Night Mash
next prev parent reply other threads:[~2021-10-31 3:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-30 18:52 amdgpu hang on picasso Ken Moffat
2021-10-31 3:01 ` Ken Moffat [this message]
[not found] ` <DM5PR12MB18844749E4B5A6F0604A4F85E48A9@DM5PR12MB1884.namprd12.prod.outlook.com>
2021-11-01 16:49 ` Ken Moffat
[not found] ` <DM5PR12MB18840CC9E5B1B02565CB166EE48A9@DM5PR12MB1884.namprd12.prod.outlook.com>
2021-11-01 20:49 ` Ken Moffat
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