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e9ric
2020 Jan 30
0
nv50_disp_chan_mthd: ensure mthd is not NULL
...e
> code, it's assumed to be not NULL by accessing directly 'mthd->data[0]'
> which is the reason of the kernel panic. I simply check if the pointer
> is not NULL before continuing.
>
> Best regards,
>
> Fr?d?ric Pierret
>
> From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Pierret=20=28fepitre=29?=
> <frederic.pierret at qubes-os.org>
> Date: Sun, 26 Jan 2020 23:24:33 +0100
> Subject: [PATCH] nv50_disp_chan_mthd: ensure mthd is not NULL
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
>...
2020 Jan 29
1
nv50_disp_chan_mthd: ensure mthd is not NULL
Dear Ben Skeggs,
Please find attached a patch solving a blocking issue I encountered:
https://bugzilla.kernel.org/show_bug.cgi?id=206299
Basically, running at least a RTX2080TI on Xen makes a bad mmio error
which causes having 'mthd' pointer to be NULL in 'channv50.c'. From the
code, it's assumed to be not NULL by accessing directly 'mthd->data[0]'
which is the