[Bug 109481] Radeon Module crashing/freezing on ATI/AMD Evergreen (Radeon HD6250, Wrestler)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=109481

--- Comment #5 from Steffen Schmid <elbuffo166 at gmail.com> ---
Maybe another finding regarding this problem:

On the old Kernel we are currently running in production (3.2.53) there are 3
display connectors found by radeon. 

Using Kernel 3.18.25 VGA is missing and because of this, displays connected by
VGA (all our systems) wont't display anything.

Old Kernel:
[drm] Radeon Display Connectors
[drm] Connector 0:
[drm]   DisplayPort
[drm]   HPD1
[drm]   DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c
[drm]   Encoders:
[drm]     DFP1: INTERNAL_UNIPHY
[drm] Connector 1:
[drm]   DVI-D
[drm]   HPD2
[drm]   DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c
[drm]   Encoders:
[drm]     DFP2: INTERNAL_UNIPHY
[drm] Connector 2:
[drm]   VGA
[drm]   DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c
[drm]   Encoders:
[drm]     CRT1: INTERNAL_KLDSCP_DAC1

Using Kernel 3.18.25 VGA is missing:
[drm] Radeon Display Connectors
[drm] Connector 0:
[drm]   DP-1
[drm]   HPD1
[drm]   DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c
[drm]   Encoders:
[drm]     DFP1: INTERNAL_UNIPHY
[drm] Connector 1:
[drm]   DVI-D-1
[drm]   HPD2
[drm]   DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c
[drm]   Encoders:
[drm]     DFP2: INTERNAL_UNIPHY

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