linux-kernel - Re: nouveau init unknown opcode error, when CONFIG_DRM

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Message-ID: <CAKb7UviSXdXGpAkPJPzYbSPk=8mExO7CE-jcFBZiJsT6EDe8Jg@mail.gmail.com>
Date:	Thu, 13 Feb 2014 02:47:13 -0500
From:	Ilia Mirkin <imirkin@...m.mit.edu>
To:	Kui Zhang <kuizhang@...il.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ben Skeggs <bskeggs@...hat.com>,
	"nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>
Subject: Re: nouveau init unknown opcode error, when CONFIG_DRM_NOUVEAU=y

On Thu, Feb 13, 2014 at 2:15 AM, Kui Zhang <kuizhang@...il.com> wrote:
> Hello,
>
> When CONFIG_DRM_NOUVEAU=y, I get following error. Blank screen after initrd.
>
> This was in the dmesg.
>
> [    0.282559] [drm] hdmi device  not found 1 0 1
> [    0.282688] nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x046800a3
> [    0.282693] nouveau  [  DEVICE][0000:01:00.0] Chipset: G72 (NV46)
> [    0.282696] nouveau  [  DEVICE][0000:01:00.0] Family : NV40
> [    0.284293] nouveau  [   VBIOS][0000:01:00.0] checking PRAMIN for image...
> [    0.366261] nouveau  [   VBIOS][0000:01:00.0] ... checksum invalid
> [    0.366266] nouveau  [   VBIOS][0000:01:00.0] checking PROM for image...
> [    0.366279] nouveau  [   VBIOS][0000:01:00.0] ... signature not found
> [    0.366283] nouveau  [   VBIOS][0000:01:00.0] checking ACPI for image...
> [    0.366286] nouveau  [   VBIOS][0000:01:00.0] ... signature not found
> [    0.366290] nouveau  [   VBIOS][0000:01:00.0] checking PCIROM for image...
> [    0.366454] nouveau  [   VBIOS][0000:01:00.0] ... appears to be valid
> [    0.366462] nouveau  [   VBIOS][0000:01:00.0] using image from PCIROM
> [    0.366603] nouveau  [   VBIOS][0000:01:00.0] BIT signature found
> [    0.366609] nouveau  [   VBIOS][0000:01:00.0] version 05.72.22.41.19
> [    0.367101] nouveau E[   VBIOS][0000:01:00.0] 0xe008[ ]: unknown opcode 0xc0
> [    0.367107] nouveau E[ DEVINIT][0000:01:00.0] init failed, -22
> [    0.367112] nouveau E[     DRM] failed to create 0x80000080, -22
> [    0.367833] nouveau: probe of 0000:01:00.0 failed with error -22
>
>
> When CONFIG_DRM_NOUVEAU=m. Everything appears to work as expected.
>
> [    0.796974] nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x046800a3
> [    0.796980] nouveau  [  DEVICE][0000:01:00.0] Chipset: G72 (NV46)
> [    0.796985] nouveau  [  DEVICE][0000:01:00.0] Family : NV40
> [    0.799366] nouveau  [   VBIOS][0000:01:00.0] source: PRAMIN
> [    0.887657] nouveau  [   VBIOS][0000:01:00.0] ... checksum invalid
> [    0.887838] nouveau  [   VBIOS][0000:01:00.0] BIT signature found
> [    0.887844] nouveau  [   VBIOS][0000:01:00.0] version 05.72.22.41.19

You appear to have a module parameter set for nouveau,
config=NvBios=PRAMIN, probably in your modprobe.conf or similar file.
If you append nouveau.config=NvBios=PRAMIN to your kernel cmdline, it
should work similarly.

  -ilia
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