[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=102207

            Bug ID: 102207
           Summary: [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS
                    ROM
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: shad0w73@vmail.me

Created attachment 133493
  --> https://bugs.freedesktop.org/attachment.cgi?id=133493&action=edit
dmesg during cd boot with Arch kernel 4.12.3

Hi,

I have a Lenovo E420s Laptop with a hybrid ATI/Intel Card and the Radeon Card
wasn't detected correctly for ages. Now I noticed that, since I changed my Boot
from BIOS to UEFI it is detected correctly at the boot from the Install/Rescue
CD but still not at the boot from my hard drive. I am running Arch Linux.

The message "[drm:radeon_get_bios [radeon]] *ERROR* Unable to locate a BIOS
ROM" appears in the dmesg output during the hard drive boot but not during the
CD boot.

Because of a suggestion on the Arch BBS
(https://bbs.archlinux.org/viewtopic.php?pid=1730357) I am trying to report
this bug here. I hope this helps.

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[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=102207

--- Comment #1 from shad0w73@vmail.me ---
Created attachment 133494
  --> https://bugs.freedesktop.org/attachment.cgi?id=133494&action=edit
dmesg during hd boot with Arch kernel 4.12.6

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[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=102207

--- Comment #2 from shad0w73@vmail.me ---
Created attachment 133495
  --> https://bugs.freedesktop.org/attachment.cgi?id=133495&action=edit
lspci output

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[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

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https://bugs.freedesktop.org/show_bug.cgi?id=102207

--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
Can you identify what the differences are between those two kernels?

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[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

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https://bugs.freedesktop.org/show_bug.cgi?id=102207

--- Comment #4 from shad0w73@vmail.me ---
I copied the 4.12.3 kernel from the cd to the hd an bootet it from the hd. It
occurs the same error as with the 4.12.6 kernel.

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[Bug 102207] [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM

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https://bugs.freedesktop.org/show_bug.cgi?id=102207

shad0w73@vmail.me changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTABUG

--- Comment #5 from shad0w73@vmail.me ---
I fixed it a few minutes ago.

It was GRUB related. I installed Syslinux and it worked.

I assume it has to do with the BIOS option "enable the discrete card if the OS
supports hybrid graphics". (The other option is "disable discrete card" ...).

Thank you anyway for your help. :)

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