From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Christian Zigotzky <chzigotzky@xenosoft.de>,
gustavoars@kernel.org, alexander.deucher@amd.com
Cc: "Darren Stevens" <darren@stevens-zone.net>,
"R.T.Dickinson" <rtd2@xtra.co.nz>,
"Michel Dänzer" <michel@daenzer.net>,
"Maling list - DRI developers" <dri-devel@lists.freedesktop.org>,
"mad skateman" <madskateman@gmail.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
"Christian Zigotzky" <info@xenosoft.de>
Subject: Re: Radeon NI: GIT kernel with the nislands_smc commit doesn't boot on a Freescale P5040 board and P.A.Semi Nemo board
Date: Thu, 6 May 2021 18:55:39 -0500 [thread overview]
Message-ID: <a1d9e09b-f533-5e2c-7a13-af96647e1a71@embeddedor.com> (raw)
In-Reply-To: <3eedbe78-1fbd-4763-a7f3-ac5665e76a4a@xenosoft.de>
Hi Christian,
On 4/30/21 06:59, Christian Zigotzky wrote:
> Hello,
>
> The Nemo board (A-EON AmigaOne X1000) [1] and the FSL P5040 Cyrus+ board (A-EON AmigaOne X5000) [2] with installed AMD Radeon HD6970 NI graphics cards (Cayman
> XT) [3] don't boot with the latest git kernel anymore after the commit "drm/radeon/nislands_smc.h: Replace one-element array with flexible-array member in
> struct NISLANDS_SMC_SWSTATE branch" [4]. This git kernel boots in a virtual e5500 QEMU machine with a VirtIO-GPU [5].
>
> I bisected today [6].
>
> Result: drm/radeon/nislands_smc.h: Replace one-element array with flexible-array member in struct NISLANDS_SMC_SWSTATE branch
> (434fb1e7444a2efc3a4ebd950c7f771ebfcffa31) [4] is the first bad commit.
I have a fix ready for this bug:
https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?h=testing/drm-nislands
I wonder if you could help me to test it with your environment, please.
It should be applied on top of mainline.
Thank you!
--
Gustavo
>
> I was able to revert this commit [7] and after a new compiling, the kernel boots without any problems on my AmigaOnes.
>
> After that I created a patch for reverting this commit for new git test kernels. [3]
>
> The kernel compiles and boots with this patch on my AmigaOnes. Please find attached the kernel config files.
>
> Please check the first bad commit.
>
> Thanks,
> Christian
>
> [1] https://en.wikipedia.org/wiki/AmigaOne_X1000
> [2] http://wiki.amiga.org/index.php?title=X5000
> [3] https://forum.hyperion-entertainment.com/viewtopic.php?f=35&t=4377
> [4] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=434fb1e7444a2efc3a4ebd950c7f771ebfcffa31
> [5] qemu-system-ppc64 -M ppce500 -cpu e5500 -m 1024 -kernel uImage -drive format=raw,file=MintPPC32-X5000.img,index=0,if=virtio -netdev user,id=mynet0 -device
> virtio-net-pci,netdev=mynet0 -append "rw root=/dev/vda" -device virtio-vga -usb -device usb-ehci,id=ehci -device usb-tablet -device virtio-keyboard-pci -smp 4
> -vnc :1
> [6] https://forum.hyperion-entertainment.com/viewtopic.php?p=53074#p53074
> [7] git revert 434fb1e7444a2efc3a4ebd950c7f771ebfcffa3
next prev parent reply other threads:[~2021-05-07 0:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-30 11:59 Radeon NI: GIT kernel with the nislands_smc commit doesn't boot on a Freescale P5040 board and P.A.Semi Nemo board Christian Zigotzky
2021-04-30 15:26 ` Deucher, Alexander
2021-04-30 15:56 ` Gustavo A. R. Silva
2021-05-06 23:55 ` Gustavo A. R. Silva [this message]
2021-05-07 6:43 ` Christian Zigotzky
2021-05-08 11:33 ` Christian Zigotzky
2021-05-09 23:04 ` Gustavo A. R. Silva
2023-11-02 14:45 ` Fbdev issue after the drm updates 'drm-next-2023-10-31-1' Christian Zigotzky
2023-11-07 8:36 ` Christian Zigotzky
2023-11-12 14:23 ` Christian Zigotzky
2023-11-13 12:48 ` Geert Uytterhoeven
2023-11-13 13:12 ` Christian Zigotzky
2023-11-14 9:45 ` Christian Zigotzky
2023-11-15 8:33 ` Geert Uytterhoeven
2023-11-15 9:22 ` Gerd Hoffmann
2023-11-16 13:13 ` Geert Uytterhoeven
2021-11-04 10:45 ` [VirtIO GPU] Xorg doesn't start with the DRM updates 'drm-next-2021-11-03' in a virtual e5500 QEMU KVM-HV machine on a Freescale P5040 board Christian Zigotzky
2021-11-04 21:42 ` [PATCH] drm/virtio: Fix NULL dereference error in virtio_gpu_poll Vivek Kasireddy
2021-11-05 18:05 ` Christian Zigotzky
2021-11-08 12:56 ` Gerd Hoffmann
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