[Bug 100726] [REGRESSION][BISECTED] Severe flickering with an R9 290

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100726

            Bug ID: 100726
           Summary: [REGRESSION][BISECTED] Severe flickering with an R9
                    290
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: hiwatari.seiji at gmail.com

As of the commit:
    d8d1721cfb3162abbda078d67a928792d6552b84 : A series of fixup patches meant
to fix the usage of DMA on stack, plus one warning fixup

My R9 290 produces heavy flickering artifacts in 1 of 3 or 4 cases when
starting Linux.
I am using the amdgpu kernel module, and have not tested this with radeon.
When the bug occurs, the system is completely unusable.

Since the occurence of this bug is not really deterministic, bisecting it was
not that easy. I hope I didn't make any mistake.

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